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Okunnyika mu luzzi lw’emiti (SIS) n’okuwona okuziyira omuzira mu butto omuzito

Ennamba z’embeera ez’amangu zaawukana okusinziira ku nsi. Omuko guno gukozesa 911, ennamba ya Amerika ne Canada. Ensi endala nnyingi zikozesa 112, 999, oba ennamba endala. Funa ennamba y'ensi yo.

oluzzi lw’omuti (oba Snow Immersion Suffocation / SIS hazard) kye kifo ekikwese, ekitali kinywevu eky’omuzira oguyidde, amatabi agawaniridde wansi, n’empewo eyeetoolodde ekikonge ky’omuti gw’emiti egy’ekika kya conifer oluvannyuma lw’omuzira omungi. Omuzannyi wa ski oba omuzira bw’akwata ebbaati okumpi n’omuti ogubadde gwa kijanjalo n’agwa omutwe mu kinnya kino ekikwese, kateni eyeetooloddewo ey’omuzira ogw’obuwunga omukalu gugwa munda ng’omusenyu omulamu ate nga ski oba snowboard waabwe yeekulukuunya mu matabi agali waggulu, n’ezitega nga zifukamidde mu kizikiza ekijjuvu. Okusinziira ku Northwest Avalanche Center (NWAC) ne National Ski Areas Association (NSAA) mu Amerika ne Canada, non-avalanche Snow Immersion Suffocation ekola nga ebitundu 20 ku 25 ku buli 100 ku bantu bonna abafa mu mizannyo gy’obutiti mu sizoni za butto omuzito, era mu kugezesa okuwonawo, abazirakisa 90 ku buli 100 abateekebwa mu luzzi lw’omuti tebaasobola kwetaasa nga tebalina munnaabwe ng’ayimiridde wabweru ddala w’omuti.

Ekitabo kino kitambuza abavuzi ba ski, abavuga omuzira, abavuga omuzira, n’abavuzi b’emabega mu by’okukola mu sikonda 5 ezisooka singa ogwa mu luzzi lw’emiti oba mu nsawo ya pawuda enzito, lwaki okukuba kuleeta okunyigirizibwa kw’omuzira amangu n’okuziyira, engeri abaagalana gye balina okuyingira mu ngeri ey’okwesimbye okuva ku ludda olukka okusinga okulinnya waggulu w’ekinnya, n’engeri y’okuziyiza emitego gy’oluzzi lw’emiti ku nnaku z’obuwunga.

Kino kikole kati

  1. Bw’oba ​​ogwa ng’oyolekera oluzzi lw’omuti: leka ebikondo byo okwata ekikonge ky’omuti oba amatabi amangu ago. Tokuumangako mikono gyo munda mu miguwa gy’engalo egy’ebikondo bya ski ng’ovuga okumpi n’emiti. Nga bw’ogwa, kwata emikono gyombi okunywegera ekikolo ky’omuti eky’embaawo ekigumu oba amatabi amanene aga waggulu okukomya omutwe n’ekifuba okugwa nga bikyusiddwa mu bwereere wansi.
  2. Bw’oba ​​otuuse wansi mu muzira: TOKUBA, TOSAMBA, oba towuuba magulu go. Mu muzira gwa pawuda ogutali munywevu, okulwana kukola ddala ng’ekyuma ekikankanya seminti eky’ebyuma: buli kigwo kikoona ebikumi n’ebikumi bya kkiro z’omuzira okuva ku matabi waggulu ne gugupakira nnyo mu kifuba kyo ne mu maaso, ne kikubbira mu buziba. Ffiriiza amagulu go mu bwangu.
  3. Sooka okole ensawo y’empewo essa mu maaso g’akamwa n’ennyindo. Omuzira nga tegunnatuuka, sala omukono gumu ogw’omu maaso oba ekikopo emikono gyo mu maaso ga ffeesi yo okusika akatundu akatono aka sentimita 10 ku 15 (yinsi 4 ku 6) okwetooloola akamwa ko n’ennyindo, n’okusiba ekirevu kyo oba okusika ekyuma kyo eky’omu bulago/enkokola waggulu okukuuma obuwunga obusumuluddwa obutagwa mu kkubo lyo ery’empewo ng’ossa.
  4. Sigala nga mukkakkamu, ssa mpola, era fuuwa enfuufu yo (bw’oba ​​ng’oli kumpi n’akamwa ko). Panic hyperventilation emala mangu ensawo yo entono eya oxygen era esaanuusa omuzira okwetooloola ffeesi yo n’omukka ogw’ebbugumu, oguddamu okutonnya ne gufuuka ice glaze etayingiramu mpewo ("ice mask"). Bw’oba ​​osobola okutuuka ku kikolo ky’omuti n’omukono gumu, gukwate oleme kuseeyeeya buziba, era olinde munno.
  5. Bw’oba ​​oli munno ebweru: TOLINGIRA ku bbali w’ekinnya oba okusika omuntu ayisiddwa butereevu waggulu ku bbuutu/skisi zaabwe. Okulinnya ku mabbali g’omuti ogw’okungulu oluzzi kigwa ttani y’omuzira butereevu ku mutwe gwa mukwano gwo, n’okusika waggulu ku ski eziriko wedged oba snowboard kyokka kivuga omutwe gwabwe mu buziba mu kinnya.
  6. Kuba Ski Patrol oba abakola ku by’amangu amangu ddala era osima mu bbanga okuva ku mabbali oba wansi ng’oyolekera omutwe gwabwe. Muleekaanire abavuzi abali okumpi okuyamba, kuba ku kifo ekisanyukirwamu Ski Patrol emergency number (oba kuba ku nnamba yo ey’amangu mu kitundu kyo: 911 mu Amerika ne Canada, 112 okwetoloola omukago gwa Bulaaya, 999 mu Bungereza; laba yaffe ennamba z’amangu directory), funa omutwe gw’omuntu ayisiddwa wansi w’obutto, era tunnel inward from the side/downhill okugogola ekkubo ly’empewo okwetoloola ffeesi yaabwe nga tonnasumulula bindings zaabwe.

Danger

The "Inverted Quicksand" Physics of a Tree Well: Lwaki omuzannyi wa ski oba omuzannyi wa snowboard ow'amaanyi, ow'emizannyo tayinza kumala galinnya okuva mu luzzi lw'omuti ku lulwe? Olw’emitego esatu egy’omubiri egy’omubiri: 1) Ekisikirize ekikyusiddwa ne ggiya enzito: Bw’oyingira ng’omutwe gukutte nga ski oba snowboard eyungiddwa ku bigere byo, engatto zo n’ebisiba bikwata mu matabi amanene, aga spruce oba fir waggulu ate ng’omutwe gwo guwaniridde mita 1.5 ku 3 (fuuti 5 ku 10) wansi ku kikonge; 2) Zero solid purchase: Okwawukana ku avalanche omuzira we gusimba nga gukaluba nga seminti, omuzira gw'oluzzi lw'emiti tegunywedde ddala, "ssukaali" oba pawuda atalina wansi, okusika n'emikono gyo just punches into empty air and fluff; ne 3) The funnel effect: Buli ntambula ekankanya omuzira-loaded evergreen canopy waggulu, okusuula omuzira omulala wansi funnel ku mugongo gwo n'okunyigiriza ribcage yo amawuggwe go ne gatasobola kugaziwa (mechanical asphyxia). Munno okuvuga mu maaso g’okulaba kye kimu ku bisinga okukuyamba okuwona.

Okuwona amangu n‟okusalawo okununula omubeezi okutambula

Oba ggwe omuvuzi ng’agwa mu luzzi lw’omuti oba munno eyaakalaba mukwano gwo ng’abula wansi w’amatabi, goberera ensengeka eno mu bwangu.

flowchart TD
    A["Rider Agwa Okumpi N'omuti gwa Conifer oba Ensawo ya Deep Powder"] --> B{"Mulimu Ki Ggwe Mulimu Kati?"}
    B -->|"Nze Muvuzi Agwa Mu Luzzi Lw'omuti"| C["Suula Ebikondo bya Ski Amangu Okwate Ekikonge ky’Emiti oba Amatabi Amazito"]
    C --> D["Mukomye Okukuba Amagulu Gonna n'Okukuba Ebikonde Okutangira Snow Funnel Okugwa"]
    D --> E["Cup Hands oba Forearm Over Mouth & Nose okuyoola Ensawo y'okussa"]
    E --> F["Kwata Ku Trunk bwe kiba nga Kituukiridde, Fuuwa Mpola, era Linda Okusima Omukwano"]
    B -->|"Nze Munnange Ebweru Eyalaba Rider Abula"| G["Kuuma Strict Visual Fix ku Muti Omutuufu (Laga Nga Okozesa Skis Egolokofu oba Pole Outside Rim)"]
    G --> H["Kuba ku nnamba ya Resort Ski Patrol Emergency Number / 911 / 112 era oleekere abavuzi abali okumpi"]
    H --> I["TOLINGIRA ku Top Lip of Hole era TOSIKA waggulu ku Victim's Skis oba Snowboard"]
    I --> J["Probe Gently With Hand Along Trunk Okuzuula Omutwe gw'Omugenzi n'Obuziba bw'Ekifuba"]
    J --> K["Tunnel Inward Horizontally Okuva ku ludda olwa wansi butereevu okutuuka ku maaso g’Omukoseddwa"]
    K --> L["Sooka Olongoose Omuzira Okuva Mu Kamwa n’Ennyindo, Oluvannyuma Sumulula Ebisiba n’Oggyamu"]

Engeri omuti gye gukola oluzzi n’ensonga lwaki ebimera ebiyitibwa conifers birabika nga tebirina bulabe okuva waggulu

Bangi ku ba ski n’aba snowboard balowooza nti singa wabaawo mita 2 (fuuti 6.5) ez’omuzira omuggya ku ski run eggule, omuzira gusigala nga guteredde okutuukira ddala ku kikolo kya buli muti gwa payini, fir, spruce, oba hemlock. Mu butuufu, amatabi agawaniridde wansi aga bulijjo aga langi ya kijanjalo gakola nga amali amanene ennyo:

  1. Ammeeri y’amatabi: Omuzira bwe gutonnya mita mu kiseera ky’obutiti, amatabi aga wansi agagazi era agaserengese wansi ag’emiti gya fir, spruce, hemlock, ne cedar gikwata omuzira ogugwa ne gugulemesa okutuuka ku ttaka okwetooloola omusingi gw’omuti.
  2. Ekifo ekikwese ekya mmita 2 ku 3 (fuuti 6 ku 10): Butereevu wansi w’amatabi agali wansi watuula ekinnya ky’empewo ekiwanvu, ekiringa kkooni, amatabi amafu agatabuddwatabuddwa, n’amaliba agatali manywevu ag’omuzira omukalu agawanvuwa okutuukira ddala wansi okutuuka ku kivundu ky’ekibira ekitaliiko kintu kyonna oba enjazi, ne bwe kiba nti omuzira ogwetoolodde guli mita 3 (fuuti 10) mu buziba.
  3. Ekifaananyi ekirabika: Okuva ku mita 5 (fuuti 16) okulinnya, ensonga ez’ebweru ezibikkiddwa omuzira ez’amatabi g’emiti zitabula bulungi mu lusozi lwa pawuda oluseeneekerevu. Omuvuzi ayoola okukyuka okumpi ennyo ne sikaati y'ettabi ery'ebweru ("okusiba omuti") amenya ekikuta ekigonvu eky'ensonga z'amatabi n'agwa butereevu mu kikondo ekikwese ekyesimbye ng'asoose omutwe.
Ensonga y’Obulabe Okunnyika mu luzzi lw’emiti (Conifer Pit) . Okunnyika mu butto obuzito (Open Slope / Creek Bed) . Okuziika kwa Slab Avalanche
Waliwo Wansi w’emiti egy’amatabi amatono egy’ebimera ebiwangaala (subalpine fir, spruce, mountain hemlock, cedar) byombi in-bounds ku ski resorts ne mu backcountry Ggulawo ebbakuli za butto omuzito, wansi w’emigga emipapajjo, ekkubo erisaliddwa, oba emigga egy’empewo oluvannyuma lw’omuzira ogutonnya sentimita 50+ (20+ in). Ebiserengeto ebiwanvu okusinga diguli 25 ku 30 nga ekipande ky’omuzira ekikwatagana kimenyese
Okukwatagana kw'omuzira Powder etali nnywevu, etali nnywevu, etali wansi ng’atabuddwamu amatabi g’emiti agakaluba agasiba ebisiba Pawuda omugonvu, omuzito abikka omutwe ng’omuvuzi agudde mu maaso oba emabega n’atasobola kunyigiriza waggulu Eteekawo amakalu ng’olwazi nga seminti mu kaseera ako ebifunfugu ebisereba we bikoma
Embeera y'omubiri eya bulijjo 90%+ inverted (headfirst / upside down) nga skis oba snowboard zisiddwa mu matabi waggulu Etunudde wansi oba ekyusiddwa ng’ebigere bisimbye ennanga ku bboodi enzito oba ski ezitafulumiziddwa Okulungamya kwonna; emirundi mingi yasitulanga ebikumi n’ebikumi bya mita wansi
Ekisinga okuvaako okufa Okuziyira (okuziyira) mu ddakiika 15 ku 30 okuva omuzira lwe gupakidde omukutu gw’empewo oba okunyigirizibwa mu kifuba (nga kwogasse n’okulumwa omugongo/omutwe ku mugongo) Okuziyira olw’okussa butto oba obutasobola kwekulukuunya ng’ebigere bisibiddwa ku snowboard/skis Okuziyira (75%) n‟okulumwa ennyo (25%) .
Osobola okusima okuva butereevu waggulu? NO, okulinnya waggulu ku kinnya kigwa ebisenge bya kkooni ebikalu wansi ku maaso g’oyo ayisiddwa Olongoosa n’obwegendereza okwetoloola omutwe nga tofukamidde ku mugongo gw’oyo ayisiddwa Yee (okukyusa okudda ku musipi ogutambuza ogw’engeri ya V nga gukka katono ku kukuba kwa probe)

Step-by-step survival protocol singa Ogwa mu luzzi lw'omuti

Bw’obulwa obuyinza oba n’okwata empenda n’owulira ng’osika omutwe wansi w’amatabi g’omuti gw’omuti gwa conifer, ebikolwa byo mu sekonda 3 ku 5 ezisooka ng’omuzira tegunnatuuka bye bisalawo obulamu bwo.

Omutendera 1: Lwana okusigala nga weegolodde oba okukwata slide yo ku trunk

  • Toyambalako ski pole wrist straps mu miti: Singa emikono gyo giba gikubiddwa munda mu pole straps nga ogwa mu luzzi lw’emiti, ebikondo bikwata ku matabi ne bisibira emikono gyo emabega ku mutwe gwo n’otosobola kutuuka mu maaso go okugogola omuzira. Bw’oba ​​okola skiing glades oba off-piste powder, bulijjo kwata ebikwaso byo eby’ebikondo nga tossa mikono gyo mu loopu z’engalo.
  • Wambatira omugogo oba amatabi ag’omunda amanene: Nga bw’ogwa mu matabi ag’ebweru, ssika n’emikono gyombi olw’omuti gw’omuti ogw’embaawo omugumu oba ebitundu by’omunda ebinene era obizinge emikono oba amagulu go nga koala erinnya. Ski zo ne bwe zigwa wansi wo, okukuuma omutwe n’ebibegabega nga bikutte ku ttabi waggulu w’ekinnya kitaasa obulamu bwo.
  • Gezaako okwekulukuunya ku mugongo oba ku ludda lwo (tuck and roll): Bw’oba ​​osuula waggulu w’emikono gyo mu butto omuzito omuggule okuva ku muti, tuka ekirevu kyo n’oyiringisibwa ku ludda lwo oba emabega ffeesi yo esonga eri eggulu okusinga okuziika ng’otunudde wansi.

Omutendera 2: Lekera awo okukuba kwonna era tonda ekifo kyo eky’okussa

Bw’oba wakyusiddwa dda munda mu luzzi lw’omuti ate ng’omuzira gukulukuta okwetooloola:

  1. Freeze your legs immediately: Buli instinct y'omuntu ekukuba enduulu okukuba amagulu n'okugezaako okuwuga waggulu. Genkanya ddala okwegomba okwo. Olw’okuba ski oba snowboard zo ziweza sentimita 150 ku 185 (fuuti 5 ku 6) era nga zisibirwa munda mu matabi amakalu waggulu wo, okukuba amagulu go tekisobola kukutambuza waggulu, kikankanya bbugumu ly’emiti lyokka ne kipakira ebikumi n’ebikumi bya kkiro z’omuzira oguyidde wansi nnyo okwetooloola omutwe gwo n’embavu.
  2. Siba omukono mu maaso go ("The Boxer Guard"): Leeta omukono gumu oba gwombi amangu ddala mu maaso go. Senya ekituli okwetoloola akamwa n’ennyindo, era kwata omukono gwo ogw’omu maaso oba emikono gyo egy’ekikopo sentimita ntono mu maaso g’akamwa ko olwo omuzira ogusenza guyimirira ku mukono gwo mu kifo ky’okunyiga ku mimwa gyo n’ennyindo.
  3. Fuwa omuzira gwonna mu kamwa nga tonnassa: Singa omuzira guyingira mu kamwa ko mu kiseera ky’okugwa, gufuuwe oba gusenya n’engalo eriko ggalavu nga tonnaba kussa mpewo ddene oleme kussa butto mu payipu yo ey’empewo.
  4. Gaziya ekifuba kyo ng’omuzira gusenza: Fuuwa omukka ogw’amaanyi era onywerere enkokola zo katono ebweru okumala sekondi 10 ezisooka ng’omuzira oguyidde gutuula okwetooloola omubiri gwo; kino kireka ekituli ekikulu eky’okugaziwa ekya sentimita 2 (yinsi emu) okwetooloola embiriizi yo kale okyayinza okussa n’okufulumya ng’omuzira gumaze okulekera awo okutambula.

Omutendera 3: Osobola okweggyamu singa oba wekka ddala?

Mu kugezesebwa okw’amaanyi mu nnimiro okwakolebwa omukugu mu kunoonyereza ku nzizi z’emiti Paul Baugher (Northwest Avalanche Center), abantu 90 ku buli 100 abagezesebwa abaateekebwa mu nzizi z’emiti entuufu tebaasobola kufuluma ku lwabwe. Ku bantu 10 ku buli 100 abasobodde okwetaasa, oba bw’oba wamenya etteeka #1 ery’okusanyuka mu pawuda n’ovuga n’oyingira mu miti wekka, wuuno akakodyo kokka akakola:

  • Tambula nga otambula mpola, mu bugenderevu, milimita yokka: Tosika oba okukuba.
  • Kuuma omukono gumu nga gusimbiddwa ku kikolo ky’omuti ekigumu oba ku kikolo/ettabi ddene: Kozesa ekikolo ky’omuti kyennyini nga eddaala lyo lyokka erinywevu.
  • TOGEZAAKO kusika ku bbugwe w’omuzira atabuddwa: Mu kifo ky’okugezaako okulinnya waggulu ku muzira, laba oba osobola okutuuka mpola waggulu ku kigere kyo pop your ski binding heel piece or unbuckle your snowboard ankle straps, only singa omubiri gwo ogwa waggulu guba gusibye dda obulungi ku kikonge ky’omuti kale okusumulula ebigere tekijja kuleetera mubiri gwo kuseeyeeya mita 1 (3 ebigere) wansi mu buziba bw’ekikondo ekitali wansi.
  • Kebera oba osobola okwongera okuwuguka WANSI oba KU BBIRI ng’oyita ku kikolo ekitaliiko kintu kyonna: Ku nsozi eziwanvu, oludda lw’oluzzi lw’omuti olukka lutera okuba n’ekisenge ekigonvu eky’amatabi n’omuzira okusinga oludda olw’okulinnya. Oluusi omuvuzi akwatiddwa asobola okwesika ku bikuta eby’obwereere eby’omuti n’asika ebbali n’afuluma ng’ayita mu sikaati eya wansi ey’amatabi ekka wansi okusinga okulinnya.

Warning

Engeri Avalung oba Airbnb/Air-Pocket Backpack gy'eyamba mu Tree Wells: Bw'oba ovuga butto omuzito mu Pacific Northwest, British Columbia, Japan (Hokkaido/Honshu), Rockies, oba Alps, lowooza ku kwambala air-redistribution breathing vest/pack (nga AvaLung element) oba inflatable avalanche airbag pack, n’okulabula okumu okukulu eri enzizi z’emiti: so nga akamwa ka AvaLung kagaziya butereevu okuwangaala kw’enzizi z’emiti okuva ku ddakiika 15 okutuuka ku eddakiika ezisukka mu 60 nga kisika empewo okuva mu paaka y’omuzira etali nnywevu emabega w’omugongo gwo n’okuyisa kaboni dayokisayidi wo gw’ofulumya (\(\text{CO}_2\)) okuva mu maaso go, wegendereze n’ensawo z’empewo ennene ezifuumuuka munda mu mbaawo ezinywevu, ng’okukuba omuti gw’omuti ku sipiidi ey’amaanyi kabi ka maanyi ak’okulumwa. Okubeera n’ekyuma ekissa eky’omulembe gwa AvaLung ekisaliddwa butereevu ku kibegabega kya jaketi yo kikusobozesa okuluma ku kamwa nga tolina ngalo nga tonnayingira mu miti.

Partner rescue: engeri y'okusima omuntu mu luzzi lw'omuti nga tomusse

Ebitundu ebisoba mu 80 ku 100 eby'abakoseddwa enzizi z'emiti bafa olw'okuba nti bannaabwe baasigala ba skiing okutuukira ddala wansi ku layini ya lifuti, ne balinda eddakiika 15 ku layini ya lifuti nga beebuuza "Dave ali ludda wa?", n'oluvannyuma ne bavuga chairlift ne badda waggulu okutandika okutunula, mu kiseera ekyo eddakiika 30 zaali ziyiseewo ate ng'omugenzi yali amaze okuziyira.

Bw’ovuga mu kifo ky’okukwatagana n’okulaba n’amaloboozi ne munno n’olaba nga bagwa mu luzzi lw’omuti (oba ng’olaba ensonga emu ey’oku ski, omusingi gwa snowboard, oba glove ng’efuluma wansi w’omuti gwa conifer), olina wansi w’eddakiika 15 okutuusa empewo mu maaso gaabwe.

CRITICAL PARTNER EXCAVATION RULES FOR A TREE WELL:
1. NEVER step onto the top rim of the snow cone around the tree (collapses snow onto the victim's face).
2. NEVER grab the victim's boots, skis, or snowboard and yank upward (drives their head deeper and breaks legs/spine).
3. ALWAYS approach from the DOWNHILL or SIDE of the tree and tunnel INWARD HORIZONTALLY straight to the victim's head.

Enkola y’okusima omubeezi mu mitendera ku mutendera

  1. Teeka akabonero ku muti era oyite backup mu bwangu:
    • Sima ski oba ebikondo byo nga weegolodde mu muzira omuggule mita 3 (fuuti 10) waggulu ku muti olwo okusemberera Ski Patrol oba abavuzi abalala basobole okulaba omuti gwennyini mu kaseera ako (mu kibira ekinene eky’emiti gya fir 500 egy’enjawulo, okuggya amaaso go ku muti okumala sekondi kkumi kiyinza okukufiirwa ekifo ekyo).
    • Yell loudly "HELP. SKIER IN A TREE WELL HERE." okukuba bendera wansi abavuzi abayita nga badduka.
    • Omuntu owookubiri (oba kozesa emizindaalo gyo ng’otambula) kuba ku Ski Patrol Emergency Direct Line y’ekifo kino (gitegeke mu ssimu yo nga tonnavuga; ewandiikiddwa ku buli maapu y’ekkubo ery’empapula n’omunaala gw’okusitula) oba kuba 911 / 112 / 999 ng’owandiika erinnya lye kkubo ettuufu n’ennamba y’omunaala gwa lifuti.
  2. Teekakanya ebigere by'oyo akubwa bireme kuseerera buziba:
    • Bw’oba osobola okulaba engatto z’omuntu eyakubwa, skis, oba snowboard nga zitabuddwa mu matabi aga waggulu, tozisika waggulu, era tosumulula bindings zazo n’okutuusa kati singa skis ezo ezisibye ze zokka ezikwata omubiri gwabwe okuva ku kugwa mita endala wansi wansi mu kinnya.
    • Wabula, singa omudduukirize owookubiri abaawo, bakwate mpola oba bakube bbuutu/ekigere ky’omuntu abadde kinywevu mu kifo kyakyo omuntu aleme kuseerera buziba nga bw’okola tunnel okutuuka ku mutwe gwe.
  3. Kuŋŋaanya ekisero kyo eky'omuzira (avalanche shovel) era oyingize mu tunnel okuva ku DOWNHILL SIDE:
    • Laba enkoona y’amagulu g’omuntu ayisiddwa okubalirira ddala omutwe n’ekifuba we biwummudde ku kikolo ky’omuti (ebiseera ebisinga mita emu ku emu n’ekitundu / ffuuti 3 ku 5 wansi w’engatto zaabwe).
    • Weetooloole okutuuka ku oludda olukka (oba oludda olwa wansi) olw’oluzzi lw’omuti, ng’osigala ddala okuva ku mimwa gy’omuzira ogwa waggulu.
    • Kozesa aluminiyamu egwa ekisero ky’omuzira (oba emikono gyo/ekipande ky’omuzira bw’oba tolina kisero) sala omulyango ogw’okwebungulula butereevu munda ng’oyita mu matabi aga wansi ne bbugwe w’omuzira ku ddaala ly’omutwe gw’omuntu ayisiddwa, ng’osika omuzira wansi okuva ku muti guleme kuseeyeeya kudda mu.
  4. Okusooka okugogola ekkubo ly'empewo okwetoloola akamwa n'ennyindo:
    • Akaseera omukono gwo oguliko ggalavu we gukwata ku nkofiira, jaketi oba ekibegabega ky’omuntu ayisiddwa, lekera awo okukozesa ekyuma ekisero okumpi n’omutwe gwe oleme kumukuba mu maaso.
    • Sena omuzira okuva mu kamwa kaabwe, mu nnyindo ne mu kifuba n’emikono gyo, ssika wansi ekyuma kyonna eky’omu bulago oba ekitambaala ekijjudde omuzira, era ssika pulagi yonna ey’omuzira mu kamwa kaabwe.
    • Kebera mangu oba bazirika era nga bassa:
      • Bwe baba nga bamanyi era nga bassa: Kuuma omukutu gwabwe ogw’empewo nga guggule, gugugumya, gagazie omukutu ogw’okwebungulula okwetooloola omubiri gwabwe ekifuba kyabwe kisobole okugaziwa mu ddembe, era olwo lwokka osumulule ebisiba byabwe ebya ski oba emiguwa gya snowboard waggulu osobole okuziserengesa mpola okufuluma ng’oyita mu tunnel yo ey’ebbali.
      • Bwe baba nga tebaddamu era nga tebassa (oba nga bassa omukka gwokka): Ziggye ku pulatifomu eriko sitampu empanvu amangu ddala ng’okuuma ensingo yaabwe, ggulawo ekkubo ly’empewo, muwe omukka 5 ogw’okutaasa ogusooka (kubanga okusiba kw’omutima gw’omuti obulungi kuva ku hypoxia / asphyxiation, omukka ogw’okutaasa ogugatta n’okunyigirizibwa mu kifuba kikulu nnyo bw’oba oli okutendekebwa, bw’oba tosobola kuwa mukka gwa kutaasa, tandika obutasalako CPR ey’emikono gyokka ku compressions 100 ku 120 buli ddakiika amangu ddala) era ogende mu maaso okutuusa nga Ski Patrol etuuse n’omukka gwa oxygen ne AED.

Engeri y'okuziyiza ebikangabwa by'okunnyika mu muzira obulungi n'omuzira omuzito

Buli luzzi lw’emiti olumu olufa luziyizibwa nga tugoberera amateeka ataano agatali ga kuteesebwako ku lunaku lwa pawuda agakakasibwa ekibiina ekigatta ebifo ebisanyukirwamu mu ggwanga ekya National Ski Areas Association (deepsnowsafety.org) ne MountainSafety.info:

  • 1. Munno mukuume ng'alaba butereevu ekiseera kyonna (Si "kusisinkana wansi wa lifuti" yokka): Okuvuga "n'emikwano" kikola zero good singa mwawukana waggulu ku misinde n'osisinkana ku chairlift oluvannyuma lw'eddakiika kkumi. Mu miti oba ku nnaku ez’obuwunga obuziba, muvuga mu short leapfrog pitches ng’okuuma munno mu layini y’okulaba obutereevu (oba ng’oyita mu ddoboozi buli kiseera buli luvannyuma lwa sikonda 15) okutuusa nga mwembi mufulumye mu miti.
  • 2. Ggya emikono gyo OUT of ski pole wrist straps nga tonnayingira glade yonna oba off-piste run: Pole straps zifuula ski poles zo ennanga ezisiba emikono gyo waggulu w’omutwe gwo mu luzzi lw’omuti ne zikutula engalo ensajja/ebibegabega ku matabi. Leka ebikondo byo bigende mu kaseera k’ofiirwa bbalansi.
  • 3. Yambala enfuufu ey’amaanyi ey’okuwonawo etaliimu ntangawuuzi ng’esaliddwa okumpi ddala n’akalevu: Teeka oba kwata enfuufu ey’akaveera etaliimu ntangawuuzi eya decibel 120 (nga Fox 40) ku zipu ya jaketi yo ey’okusika oba ku musipi gw’omugongo ogw’omu mugongo sentimita 10 zokka (yinsi 4) okuva ku kamwa ko osobole okugituukako n’amannyo go ne bwe kiba nti emikono gyombi gisibiddwa ku ggwe ekifuba.
  • 4. Tambula ekyuma ekikyusa omuzira (beacon), ekisero ky’ekyuma ekigwa, ne probe, ne mu IN-BOUNDS ku nnaku za pawuda omuzito: Abazannyi bangi aba ski balekawo ettaala yaabwe ey’omuzira ne basika mu mmotoka nga ba skiing munda mu nsalo z’ekifo ekisanyukirwamu. Ku lunaku lwonna nga olina sentimita 30+ (yinsi 12+) ez’omuzira omuggya oba ng’ogenda mu skiing resort tree glades, yambala active 3-antenna digital avalanche transceiver (457 kHz) mu SEND mode era otambuze pack n’ekyuma ekisero. Omubeezi alina transceiver ne shovel asobola okulaga n’okusima omuvuzi aziikiddwa ddala wansi w’omuti mu eddakiika 3 mu kifo ky’okumala eddakiika 20 ng’ateebereza omuti gwe baagwa wansi.
  • 5. Emiti gya conifer giwe ekifo ekigazi, tosalako kukyuka wansi w'amatabi drip-line: Sigala ebweru mu mirongooti emizungu egy'olubeerera wakati w'emiti okusinga okunywegera ebikonge, fuga sipiidi yo osobole okuyimirira nga tonnakuba biziyiza, era weegendereze obugulumivu obutono obwa mmita 1 (fuuti 3) "baby" evergreen tops obufuluma mu muzira, nti omuti omutono ogwa kiragala mu butuufu gwe ngule ya mmita 6 (20-foot) omuti omuwanvu nga guliko ekinene ekikwese oluzzi wansi w’omuzira. Okumanya ebikwatagana n’embeera ez’amangu ez’oku nsozi ez’omu kiseera eky’obutiti, soma yaffe okusanyuka mu skiing, snowboarding, n’obubenje ku lusozi, . enkuba etonnya, ne okubulwa ebbugumu mu ddungu n’okunnyogoga abalungamya.

Twala omusomo

Okukola omusomo gw’okutaasa omuzira n’obujjanjabi obusookerwako mu ddungu, awamu n’omusomo gwa CPR ogukakasibwa okuva mu Red Cross, St John Ambulance, oba ekibiina kyo eky’eggwanga ekilawuna ski, kikuwa ggwe ne banno abavuga okujjukira ebinywa okusima amangu n’okuzuukusa omuvuzi azirika mu ddakiika 10 ezisooka ezikulu.

Ebibuuzo ebitera okubuuzibwa

Are snowboarders or skiers more at risk of dying in a tree well?

Both skiers and snowboarders die in tree wells every winter, accounting for roughly two-thirds skiers and one-third snowboarders in North American accident databases (matching overall resort ridership ratios). However, each faces a unique mechanical trap: a **skier's** long individual skis and poles cross and tangle like pick-up sticks in the overhead tree branches (and DIN bindings rarely release during a slow, twisting headfirst tumble into soft snow), whereas a **snowboarder** has both feet permanently strapped to a single wide plank that acts like a giant snow-anchor, making it impossible to move one leg independently or roll over if they land face-down in deep open powder.

Why can I not just set my ski bindings to a lower DIN setting so my skis pop off automatically if I fall into a tree well?

Standard alpine ski bindings are engineered to release under high-speed torsional (twisting) or forward-bending forces against a hard surface to prevent tibial leg fractures. When you fall slowly headfirst into a soft, bottomless pillow of dry tree-well snow, there is no hard impact force against the ski boot toe or heel piece to trip the binding spring, and lowering your DIN setting below your recommended chart value causes dangerous pre-release on steep terrain (which can throw you straight *into* a tree). Instead, if you ride deep powder with a partner, practice reaching down to press your heel-piece lever with your hand or having your partner release your bindings only *after* they have secured your head and torso from sliding deeper.

Does an Apple Watch, iPhone Crash Detection, or GPS app alert Ski Patrol if I fall into a tree well?

Usually, **no**, do not count on automated smartphone crash detection to save you in a tree well. Smartphone and smartwatch Crash/Fall Detection algorithms look for a sudden, high-G impact deceleration spike (such as hitting icy hardpack or a car collision). Sliding into soft, unconsolidated powder snow inside a tree well produces a relatively soft deceleration curve that rarely triggers automatic SOS, and once you are buried upside down under 2 meters of snow with your arms pinned, you cannot reach into your pocket to unlock a touchscreen, and cellular signals are heavily attenuated by wet snow. Only a human partner watching your back (paired with a 457 kHz avalanche transceiver) provides reliable detection.

How long can a person survive buried upside down in a tree well?

Survival time in a tree well is extremely short, very similar to or even faster than a slab avalanche burial. Without an air pocket or breathing device, acute asphyxiation and unconsciousness typically occur within **5 to 15 minutes**, and irreversible hypoxic brain injury or cardiac arrest follows within **15 to 35 minutes** (compounded by inverted blood pooling in the head and rapid cooling). However, if the rider manages to keep an open air pocket around their face and snow does not compress their chest, survivors have occasionally been rescued alive after 1 to 2 hours, which is why rescuers must always dig urgently and initiate full CPR and hypothermia resuscitation upon extraction.

Can you suffocate in deep powder snow out in the open away from any trees?

Yes. Roughly 30 percent of **Snow Immersion Suffocation (SIS)** fatalities occur in open deep powder completely away from trees, such as when a skier or snowboarder falls headfirst into a deep powder drift, creek bed, or flat gully after a major storm (60+ centimeters / 2+ feet of fresh snow). When your feet are anchored above you by skis or a snowboard and your head is buried 60 centimeters under loose, low-density snow, every push with your hands sinks straight to the bottom without lifting your head an inch. If you fall in deep open powder, keep your arms wide ("snow-angel" distribution) or cross your ski poles into an **X** under your chest so you have a wide platform to push against to lift your face above the surface.

Why must rescuers give rescue breaths (not just chest compressions) when performing CPR on a tree well victim?

When an adult collapses suddenly on a city sidewalk from a heart attack, their blood and lungs are still full of oxygen for the first several minutes, so Hands-Only CPR works well initially. By contrast, a person pulled unconscious from a tree well or avalanche is in **asphyxial cardiac arrest**, their heart stopped specifically because their blood ran completely out of oxygen. International wilderness and avalanche resuscitation guidelines (ICAR / Red Cross / AHA) emphasize that as soon as you pull a non-breathing snow-immersion victim free and clear snow out of their mouth, you should immediately deliver **rescue breaths alongside chest compressions (30:2 ratio, starting with 5 initial ventilations)** to get fresh oxygen back into their lungs and bloodstream. If you are untrained or unable to give breaths, perform continuous chest compressions without delay.

Ensonda zeekebeddwa

  • Northwest Avalanche Center (NWAC, Amerika) & Paul Baugher (Crystal Mountain Ski Patrol Director): Obukuumi bw’enzizi z’emiti n’omuzira omuzito (deepsnowsafety.org), Okunoonyereza ku bulamu bw’okunnyika mu luzzi lw’emiti (Empirical Tree Well Immersion Survival Research) n’enkola z’okusima abakolagana.
  • Ekibiina ekigatta ebifo ebisanyukirwamu mu ggwanga (NSAA, Amerika) n’ekibiina ekigatta ebifo ebisanyukirwamu mu maserengeta ga Canada (CWSAA, Canada): Enkola y’okuziyiza obukuumi bw’omuzira omuzito n’okuziyira mu muzira (SIS).
  • Akakiiko k’ensi yonna ak’okununula abantu ku nsozi (ICAR / CISA-IKAR, International / Switzerland) n’ekibiina ky’abasawo mu nsiko (WMS, Amerika): Enkola y’obujjanjabi ey’okuziyiza n’okuddukanya abaziikibwa mu muzira ogw’omuzira n’ogw’omuzira ogutali gwa muzira.
  • Avalanche Canada ne Canadian Ski Patrol (Canada): Emitendera gy’okuzuukusa abantu mu kuziika enzizi z’emiti, okunnyika mu butto obuziba, n’okuziika nga bazirika.
  • European Resuscitation Council (ERC, European Union) n’ekibiina ekigatta omutima mu Amerika (AHA, Amerika): Embeera ez’enjawulo ez’okuzuukusa, okukendeeza ku bbugumu mu butanwa n’enkola z’okussa empewo mu kusiba.

Ebiragiro ebikwatagana nabyo