Ti mu ninu ina nla lakoko irin-ajo tabi apo afẹyinti¶

Riri ẹfin pyrocumulus kan ti o ga, ti n run awọn abere igi pine, tabi gbigbọ ariwo ọkọ-irin ti ina ade ti o nlọ si oke nla kan nigba ti o wa ni awọn maili si ọna opopona jẹ pajawiri aye-tabi-iku. Awọn ina nla ti awọn afẹfẹ Canyon ati awọn oke-nla ti o ga ni igbagbogbo rin irin-ajo ni ** 10 si 25 kilomita fun wakati kan (6 si 15 miles fun wakati kan) ** nipasẹ igbo ati to ** 35 kilomita fun wakati kan (22 miles fun wakati kan) *** kọja koriko gbigbẹ, yiyara ju eyikeyi eniyan le ṣiṣe pẹlu tabi laisi idii kan. Pupọ julọ awọn apaniyan ti awọn aririnkiri waye nitori awọn eniyan ijaaya ati gbiyanju lati salọ ** uphill *** niwaju ina tabi wa ni idẹkùn ni “awọn ibi-igi” ti o dín nibiti awọn gaasi convective gbigbona ti de ** 800 iwọn Celsius (awọn iwọn 1,472 Fahrenheit). Iwalaaye idẹkun igbona igbo kan nilo kika afẹfẹ ati fisiksi ite lẹsẹkẹsẹ, gbigbe ni ita (papẹndikula si ọna ina) ati isalẹ, fifun nipasẹ iha kekere-kikan sinu ibi ti o ti sun tẹlẹ ** “Black” agbegbe ailewu, ditching yo sintetiki aṣọ, ati ngbaradi pajawiri radiant-ooru ibi aabo, ibi aabo ile ti o wa ni erupẹ, ti o wa ni erupẹ ti o wa ni erupẹ.

Ṣe eyi ni bayi¶

1. Mu satẹlaiti SOS beakoni ṣiṣẹ ki o pe awọn iṣẹ pajawiri lẹsẹkẹsẹ pẹlu awọn ipoidojuko GPS gangan rẹ. Tẹ bọtini SOS lori Garmin inReach rẹ, Zoleo, ACR Personal Locator Beacon (PLB), tabi Apple Emergency SOS nipasẹ Satellite, ki o si pe agbegbe rẹ. pajawiri awọn nọmba (911 ni Orilẹ Amẹrika ati Kanada, 112 kọja European Union, 999 ni United Kingdom, 000 ni Australia). Sọ fun fifiranṣẹ latitude/longitude gangan rẹ, igbega, orukọ itọpa, iwọn ẹgbẹ, ati itọsọna ti o nlọ ki awọn ọkọ ofurufu oju ina ti afẹfẹ ati awọn atukọ helitack mọ pe eniyan wa ni ilẹ ni eka yẹn.
2. MASE gbiyanju lati outrun a igbo oke tabi soke a dín Canyon idominugere. Ina-ije uphill soke to **16 igba yiyara ** ju ti o rare si isalẹ nitori nyara convective ooru ṣaju-ooru ati ki o gbẹ awọn eweko loke rẹ, ati dín V-sókè canyons, gullies, ati gàárì, sise bi bugbamu chimneys. Gbe ** bosile ati ita *** (ni igun 90-ìyí kọja afẹfẹ) kuro ni "Ori" (eti asiwaju) ti ina.
3. ** Ori fun "The Black" (ilẹ ti o ti sun tẹlẹ) ti o ba wa ni wiwọle.** Ni awọn oniṣẹ-ina-igbẹ-igbẹ-igbẹ-igi-ọjọgbọn (United States Forest Service and NWCG doctrine), ** ibi ti o ni aabo julọ lori ina nla ni "The Black"** nitori ni kete ti gbogbo koriko oju ati fẹlẹ ti jo kuro, ina ko le jo ilẹ naa ni akoko keji. Ti o ba wa nitosi ẹhin ti o tutu tabi iha kekere ti ina nibiti awọn ina wa labẹ ** 0.6 si 0.9 mita (ẹsẹ 2 si 3) giga ***, ṣaja nipasẹ eti ina tinrin sinu agbegbe eeru dudu ti o tutu ati ki o lọ kuro ni iduro ti o ku.
4. Pa apoeyin ti o wuwo rẹ kuro ki o si bọ gbogbo polyester sintetiki, ọra, ati irun-agutan ti ita ti idẹkùn ba wa nitosi. Polypropylene, irun-agutan polyester, ati awọn ikarahun ọra ultralight ** yo ni 160 si 250 iwọn Celsius (320 si 480 iwọn Fahrenheit) lati inu ooru gbigbona nikan, dapọ sinu jinna iwọn-kẹta ti o jinlẹ paapaa laisi ina fi ọwọ kan ọ. Wọ **100% kìki irun,100% owu (denim), tabi alawọ ***.
5. ** Wa agbegbe ti o gbooro, ti ko ni idana (apata ifaworanhan, aaye scree, gravel bar, tabi Meadow) ti o ko ba le sa fun. ṣiṣan. Ko gbogbo awọn abere ti o gbẹ kuro, awọn leaves, ki o fọ si isalẹ lati ṣofo ** ile erupẹ** ni o kere ju radius 3-si-6-mita (10-si-20-ẹsẹ) ni ayika rẹ.
6. Lie flat face-down with your nose and mouth pressed into cold dirt or a wet owu/wool cloth as the fire front pass. Ma never stand up or run while the main flame front and superheated smoke igbi pass over your clearing: a single breath of superheated air at the eyes level (**300+ degrees Celsius / 572+ degrees Fahrenheit) ni air minutes. Dubu patapata lori idọti igboro (tabi tẹriba si ọrùn rẹ ni itura, ṣiṣan jakejado pẹlu irun-agutan tutu / seeti owu lori ori rẹ), ma wà yàrà kekere kan fun oju rẹ lati simi itutu afẹfẹ 15-centimeter (6-inch) afẹfẹ ti o wa nitosi ile, ki o duro si isalẹ titi ti igbi ooru akọkọ yoo fi kọja.

flowchart TD
    A["Fi ẹfin ina nla han, ina, tabi ojo ember nigba ipa ọna"] --> B["Nfa Satẹlaiti SOS / Pe 911-112-999-000 pẹlu awọn ipoidojuko GPS gangan & itọsọna irin-ajo"]
    B --> C{"Ṣe ayẹwo Ipo Ina, Itọsọna Afẹfẹ, ati Topography"}
    C -->|"Ina wa ni isalẹ rẹ ni odo nla kan tabi ti nlọ si oke si ọ"| D["MAA ṢE gun oke tabi sinu awọn gàárì, tabi simini; rin ni ita (90 deg si afẹfẹ) ki o sọkalẹ sinu idominugere idakeji"]
    C -->|"Nitosi ẹhin tabi ẹgbẹ kikankikan kekere (<0.9 m / ina 3 ft)"| E["Rekọja ni kiakia nipasẹ aafo tinrin ni ẹgbẹ sinu 'Dudu' (agbegbe ti o ti sun tẹlẹ)"]
    D --> F{"Njẹ o le de ori ipa ọna, opopona paved, tabi 'Dudu' ṣaaju iwaju ina?"}
    F -->|"Bẹẹni"| G["Ju jia ti o wuwo silẹ ti o ba nilo, tọju omi & SOS, gbe afẹfẹ-agbelebu briskly ni epo Sparse (apata, koriko kukuru)"]
    F -->|"Rara (Idanu ti o sunmọ)"| H["Yan Agbegbe Iwalaaye: aaye talusi/apata nla nla, igi odo okuta wẹwẹ, ṣiṣan nla/adagun nla, tabi imukuro ile ti o wa ni erupe ile"]
    H --> I["Yọ gbogbo aṣọ ọra / polyester sintetiki kuro ati awọn agolo epo koto & idii 20 m kuro"]
    I --> J["Pa ile nkan ti o wa ni erupe ile, dubulẹ oju-isalẹ ti nmi sinu apo idọti nipasẹ owu ọririn / aṣọ irun titi ti iwaju yoo fi kọja"]

Ipele 1: Loye fisiksi ina igbo ni oke ati ilẹ igbo¶

Arinkiri ti ilu ẹhin ti o loye bi ina ṣe n ṣepọ pẹlu ** Topography, Fuel, ati Wind *** le sọ asọtẹlẹ ibiti ina igbo kan yoo yara yara ati ibi ti yoo da duro, yago fun awọn ẹgẹ ilẹ gangan ti o ti pa mejeeji awọn ẹlẹrin ere idaraya ati awọn onija ina.

Awọn ofin ilẹ 4 ati afẹfẹ ti ihuwasi ina nla¶

Ipele 2: Sa geometry ipa ọna ati sọdá sinu "The Black"¶

Awọn onija ina ti ilẹ-igi ko wọ agbegbe ina laisi idasile LCES (Awọn iṣọṣọ, Awọn ibaraẹnisọrọ, Awọn ipa ọna abayo, ati Awọn agbegbe Aabo). Ti o ba gbọrun ẹfin tabi ti o rii ikun kan lakoko irin-ajo, da duro fun ọgbọn aaya 30 lati ya aworan anatomi ina ṣaaju ṣiṣe ni afọju.

Anatomi ti ina nla ati bi o ṣe le sa fun¶

Gbogbo ẹ̀fúùfù- tàbí iná igbó tí ń ṣófo ní oríṣiríṣi ẹ̀yà mẹ́rin ọ̀tọ̀ọ̀tọ̀:

1. ** Ori: ** Atẹgun isalẹ / oke ti ina ti ina nibiti ina ti ga julọ, ooru jẹ apaniyan julọ, ẹfin ti nipọn julọ, ti o tan kaakiri. Mase gbe ara re taara si iwaju Ori ina.
2. ** Awọn ẹgbẹ: ** Awọn apa osi ati ọtun ti ina, ni afiwe si itọsọna afẹfẹ. Awọn giga ina lori awọn ẹgbẹ jẹ kekere pupọ ati ki o lọ laiyara si ita.
3. ** Igbẹhin (Igigirisẹ):** Afẹfẹ oke / isalẹ ẹhin ti ina, eyiti o nrara laiyara si afẹfẹ pẹlu ina kekere.
4. ** Ina Aami: ** Awọn ina tuntun ti tan ** 0.5 si awọn ibuso 3 (0.3 si 2 maili) niwaju ina akọkọ ** nipasẹ awọn ina ti n tan afẹfẹ (awọn ami ina). Awọn ina iranran lewu nitori pe wọn le tan * lẹhin * lori ipa-ọna rẹ ki o fun ọ laarin awọn iwaju ina meji.

========================================================================
WILDFIRE ESCAPE GEOMETRY (WIND OR SLOPE MOVING SOUTH TO NORTH)
========================================================================
                     [ SPOT FIRES (Embers) ]
                              ^
              DANGER ZONE     |  (NEVER RUN HERE)
                         \====^====/
                        / THE HEAD  \  <-- Fastest, hottest flames
       Move Laterally  |             |  Move Laterally
     <--- (90 Degrees) | Left  Right | (90 Degrees) --->
                       | Flank Flank |
                        \           /
                         |   "THE   |  <-- SAFE ZONE: Already burned
                         |  BLACK"  |      bare ground inside perimeter
                          \________/
                          THE REAR
========================================================================

Bawo ati nigbawo lati Punch nipasẹ sinu "The Black"¶

Sí arìnrìn-àjò tí kò tíì gba ìdálẹ́kọ̀ọ́, tí ń sáré * sí ọ̀nà* laini iná láti sọdá sí àgbègbè tí wọ́n ti jóná ń dún bí ẹni pé aṣiwèrè. Sibẹ ninu itan-itan ija ina ti igbo, ** lila sinu “Alawọ dudu” ti fipamọ awọn ọgọọgọrun awọn ẹmi ** lakoko ti o sa kuro ninu ina ni fẹlẹ ti a ko jo (“Awọ Green”) ti fihan pe o ku.

• ** Kilode ti "Dudu" jẹ ailewu: ** Ni kete ti koriko, iyẹfun, tabi abẹlẹ igbo ba ti jó, ko si epo ilẹ ti o kù lati jo. Paapaa ti iwaju ina akọkọ ba n lọ ni awọn mita 100 kuro ni “Awọ Green,” eniyan ti o duro ni inu aye jakejado “The Black” jẹ ailewu patapata lati bori.
• ** Nigba ti o ba le rekọja sinu Dudu naa: *** Ni awọn epo-ina-si-alabọde (awọn ilẹ koriko, awọn ilẹ-igi ti o ṣii, igi oaku, tabi igbo pine ti o ṣii laisi awọn igi gbigbẹ ti o wuwo) lẹgbẹẹ ** Ru tabi Flank ti o dakẹ ** ti ina nibiti awọn giga ina wa ** labẹ 0.6 si 0.9 mita (2 si 3 ẹsẹ) (2 si 3 ẹsẹ) (ẹsẹ 3 si 3 ẹsẹ)) ati pe ina ti nṣiṣe lọwọ si agbegbe 3 nikan jẹ 3 mita.
• Konu apoeyin rẹ ati jaketi sintetiki.
• Tú omi lati inu igo rẹ sori irun-agutan/owu rẹ, irun, ati bandana owu ti a so si imu ati ẹnu rẹ.
• Dabobo oju ati oju rẹ pẹlu ibọwọ tabi awọn iwaju apa ti o bo, di ẹmi rẹ mu fun daaṣi iṣẹju-aaya 3, ki o tẹrin ni iyara nipasẹ aafo kekere ninu ina lori ilẹ dudu ti o jo.
• Rin 30 si 50 mita (100 si 165 ẹsẹ) jin sinu dudu titi ilẹ yoo fi tutu ati ooru ti o tàn lati eti alawọ ewe ti ko ni sisun dinku.
• ** Awọn ewu lati wo fun inu "Dudu naa":**
• ** Awọn Snags “Widowmaker” ja bo: ** Awọn igi iduro ti o jo ati awọn gbongbo ti o ṣofo ṣubu laisi ikilọ lẹhin ti ina kọja. Duro ni a aferi inu awọn dudu daradara kuro lati awọn iga ti eyikeyi iná igi.
• ** Awọn ọfin eeru funfun: *** Awọn apo ti o jinlẹ ti fluffy ** eeru funfun ** tọkasi awọn stumps igi ti o jo tabi awọn eto gbongbo ṣi nmọlẹ ni iwọn 500 Celsius (awọn iwọn Fahrenheit 932) labẹ ilẹ. Lilọ sinu ọfin eeru funfun kan fa ijamba nla ẹsẹ-iwọn kẹta ati awọn gbigbo ẹsẹ. Igbesẹ nikan lori apata to lagbara tabi eedu dudu tinrin, rara sinu awọn ibanujẹ eeru funfun funfun.
• ** Tun-sun ni Ibori ti a ko jo: ** Ti o ba jẹ pe idalẹnu abẹrẹ ilẹ nikan ti jo ("underburn") nigba ti awọn abere pine ti o wa ni ori awọn ade igi ti o wa ni ori ti o wa ni ori ti o wa ni ori ti o wa ni titọ ati ti ko ni sisun, iyipada afẹfẹ lojiji le tun fa ** ade ina tun-jo ** loke. Nikan gbekele The Black ibi ti boya ibori tun jo tabi nibẹ ni o wa ti ko si ipon lori igi ade.

Ipele 3: Yiyan Agbegbe Iwalaaye Ikẹhin-Ikẹhin nigbati o bori¶

Ti ina ba n lọ ni iyara pupọ lati sa fun ati pe ina naa ga ju (mita 3+ / ẹsẹ 10+) lati lu sinu Black, o ni awọn iṣẹju lati mu ** Agbegbe Iwalaaye Ikẹhin-Ikẹhin ** lati ye aye ti iwaju ina.

Ohun ti o pa ọ nigba ohun overrun: Radiant Heat ati Superheated Gaasi¶

Ko ni lati fi ọwọ kan ọ lati ọwọ ina kan lati ku ninu ina nla kan. Awọn apaniyan alaihan meji ṣaju ati tẹle iwaju ina:

1. Radiant Heat (Radiation infurarẹẹdi): Irin-ajo ni awọn laini taara ni iyara ina lati odi ina. Ni awọn mita 10 (ẹsẹ 33) lati ina ade nla kan, ṣiṣan ooru ti o pọ ju ** 40 si 80 kilowatts fun mita onigun mẹrin **, to lati roro awọ ara eniyan ni igboro ni iṣẹju-aaya 3 *** ati tan aṣọ. Nitori ooru gbigbona n rin irin-ajo muna ni awọn laini taara (ila-oju), gbigbe eyikeyi idena ti o lagbara, ti ko ni ina (boulder kan, banki idoti, yàrà ti o jinlẹ, tabi omi) laarin ara rẹ ati odi ina n dina 100% ti ooru gbigbona taara.
2. Convective Superheated Air (Thermal Airway Injury): Turbulent gusts of superheated air (300 to 800 degrees Celsius / 572 to 1,472 degrees Fahrenheit) roll ahead of and through the flame front. Inhaling one breath of 300-degree air causes immediate laryngeal edema (swelling of the voice box and windpipe) that seals the airway shut. However, because hot air rises, the air layer within 10 to 15 centimeters (4 to 6 inches) of bare mineral dirt stays hundreds of degrees cooler and retains breathable oxygen.

Ranking Last-Resort Survival Zones from Best to Worst¶

Step-by-step Overrun Survival Procedure (The 10-Minute Flame Pass)¶

In most forest and brush wildfires, the intense flaming front takes only 2 to 10 minutes to pass over a stationary point (though smoke, embers, and radiant heat from burning logs continue afterward). If you are forced to lie down in a clearing, road cut, or behind a boulder:

1. Throw your backpack and stove fuel canister 20 meters (65 feet) away. Keep only your water bottles, a wool/cotton garment or leather gloves, and your satellite SOS device in a pocket underneath your torso.
2. Cover every square centimeter of bare skin with non-synthetic fabric and soil: Pull down cotton/wool sleeves, turn up your collar, put on leather or wool gloves, and pull a wet cotton bandana or merino wool buff over your nose, mouth, and ears. If you have bare arms or legs, rub wet mud or loose mineral dirt thickly over your exposed skin to reflect infrared heat.
3. Dig a "Breathing Pocket" in the dirt: Scrape a fist-sized hollow in the cool, damp mineral dirt directly beneath your nose and mouth. Press your face firmly into that dirt hollow with your damp cotton/wool cloth covering your mouth and nose.
4. Stay flat and DO NOT GET UP when the roar and heat peak: As the flame front hits the edge of your clearing, the noise will sound like a jet engine, darkness will be total, embers will shower your back, and the heat on your back and calves will be agonizing. Do not panic, do not lift your head to gasp, and do not stand up and run. Standing up puts your lungs into 500-degree-Celsius air and guarantees fatal airway burns within two breaths. Stay pressed flat into the dirt breathing slow, shallow breaths from the soil pocket until the roar subsides and the air cools.

Phase 4: Vehicle entrapment at a trailhead or forest road¶

Sometimes hikers make it back to their parked car at a remote dirt trailhead only to find the single-lane forest road out is already cut off by flames or fallen burning trees.

• A parked trailhead vehicle is safer than running on foot through burning brush, provided you position the car properly:
• Park on the barest ground available: Drive onto the center of the widest bare dirt/gravel parking pad or rocky turnout, as far away from trees, brush, and wooden trailhead kiosks as possible. Do NOT park over dry tall grass or pine needle beds (which will ignite directly underneath your gas tank and catalytic converter).
• Keep the engine idling (until oxygen drops) with headlights and hazard flashers ON: Keeping headlights and emergency flashers on allows firefighters and helicopters to spot your vehicle through dense black smoke.
• Roll all windows 100% UP and set climate control to "RECIRCULATE" (or turn vents OFF): Never leave windows cracked open; glowing embers and superheated toxic gas will blow inside the cabin.
• Get down on the vehicle floorboard below the window glass line: Window glass transmits radiant infrared heat directly onto your face and arms (and tempered side windows can shatter from extreme heat). Lie down on the floor mats below the level of the metal doors, and cover everyone completely with wool blankets, cotton jackets, or spare clothing/floor mats (never synthetic sleeping bags).
• Expect loud noises and stay inside until the main flame front passes: Tires may pop and melt, exterior plastic trim may catch fire, and heavy gusts will rock the vehicle. Modern automotive fuel tanks rarely explode immediately; stay low under the window line inside the metal cabin until the outside flame wall moves past, then exit onto the burned bare dirt upwind if the vehicle exterior catches fire.

Phase 5: Post-fire medical triage and navigating out of the burn zone¶

Once the main fire front has passed and the air cools enough to stand up:

1. Check for Airway Thermal Burns (Red Flag Number 1): Look at your companions' faces. Singed nasal hairs, soot around the mouth or in sputum, a hoarse or raspy voice, brassy cough, stridor (high-pitched wheezing when inhaling), or difficulty swallowing indicate inhalation thermal injury. The upper airway can swell completely shut over the next 1 to 4 hours. Re-trigger your Satellite SOS immediately and report "Suspected airway burns requiring immediate helicopter hoist/evacuation." Keep the victim sitting upright (semi-Fowler's position) to reduce airway swelling and minimize physical exertion.
2. Treat Cutaneous Burns Correctly: Cool active burns with clean cool water from your drinking bottles for 10 to 20 minutes if available, remove any melted clothing ONLY if it is not stuck to the skin (never peel melted nylon or polyester out of a burn wound; cut around it), and cover burns loosely with clean dry gauze or a clean cotton shirt (see Burns). Protect burn victims from hypothermia once the heat subsides.
3. Navigate Out Using "The Black" While Avoiding Post-Fire Deadly Hazards:
4. Never walk back into unburned green brush where shifting winds can reignite the flank. Stay inside The Black or on wide bare roads while waiting for rescue crews.
5. Watch overhead continuously for falling burned trees ("Widowmakers") and underground burned-out root cavities / white ash pits that collapse under a hiker's boot.
6. Beware of rolling rocks and debris on steep slopes: In steep mountain canyons, wildfires burn away the logs and brush holding talus rocks in place, sending bowling-ball-sized rocks tumbling down onto trails continuously after the fire passes.

Awọn ibeere ti a beere nigbagbogbo¶

Awọn orisun ṣayẹwo¶

• National Wildfire Coordinating Group (NWCG) & United States Forest Service (USFS) (United States): Incident Response Pocket Guide (IRPG) (PMS 461, covering LCES, Escape Routes, Safety Zones, "The Black" vs. "The Green", Watch Out Situations, Fire Behavior slope/wind rules, and Last Resort Survival without a Fire Shelter).
• USFS Missoula Technology and Development Center (MTDC) (United States): The New Generation Fire Shelter and Surviving Fire Entrapments: Radiant vs. Convective Heat Physics and Breathable Air Layers at Ground Level.
• National Park Service (NPS) (United States): Backcountry Wildfire Preparedness and Trail Evacuation Protocols.
• Country Fire Authority (CFA) (Victoria) & NSW Rural Fire Service (NSW RFS) (Australia): Bushfire Survival when Caught on Foot or in a Vehicle (radiant heat shielding, wool/cotton clothing protection, and vehicle floorboard sheltering).
• Wilderness Medical Society (WMS) & American Burn Association (ABA) (United States): Prehospital Management of Thermal Burns and Acute Smoke / Airway Inhalation Injury in Austere Environments.

Jẹmọ awọn itọsọna¶

• Awọn ina nla
• Ẹfin ina ati eeru ifasimu
• Burns
• Erogba monoxide ati ẹfin ifasimu akọkọ iranlowo
• Sọnu nigba ti irinse tabi ipago
• Awọn nọmba pajawiri nipasẹ orilẹ-ede