Ma Sirens Ochenjeza Panja Pakali pano: Kujambula Tornado, Tsunami, Dam-Failure, ndi HazMat Siren Tones¶

Kumva kuboola, kubangula kwa 125-decibel kwa municipalities ** Outdoor Chenjezo Siren (Civil Defense / All-Hazard Siren)** zungulirani mozungulira dera lanu - makamaka pamene thambo likuwoneka bwino, mukamayendera mzinda womwe simukuwadziwa, kapena 2:00 AM mukadzuka mutasokonezeka - zimayambitsa funde la adrenaline ndi chisokonezo: "Kodi chimphepo chamkuntho chikuyandikira pompano? Kapena kodi lerolino ndi chizoloŵezi cha mzindawu basi 12:00 PM, Lachitatu-la-mwezi woyamba?” Kudera lonse la North America, Europe, ndi Asia-Pacific, anthu masauzande ambiri amalakwitsa zinthu ziwiri panja pamene kulira kwa siren kumveka: (1) Kuyenda kunja kupita pakhonde pawo kapena kapinga wakutsogolo kuyitana mmwamba* kapena kumvetsera kapinga** 911 kungofunsa wotumiza "N'chifukwa chiyani ma siren akulira?"**, yomwe nthawi yomweyo imadzaza mizere yonse ya 911 m'chigawocho pawindo lenileni la mphindi 3 pomwe anthu omwe adatsekeredwa m'nyumba zomwe zidagwa kapena kumangidwa kwamtima akuyesa kufikira azachipatala.

Kumvetsetsa uinjiniya wamayimbidwe ndi miyezo yachitetezo cha boma kumbuyo kwa ma siren ochenjeza (FEMA CPG 1-17 / Outdoor Warning Systems Guide ndi ANSI/ASA S12.14) amakupatsirani dongosolo laposachedwa, lodekha la masekondi 30. Choyamba, **Nyezo Zakunja Zochenjeza Sizinapangidwe kuti zizimveka bwino mkati mwa nyumba yamakono yotsekedwa ** - ndizongongole zakunja ** zopangidwa ndi tanthauzo limodzi padziko lonse lapansi: "China china chowopseza moyo chikuchitika panja; LOWANI MKATI MWANTHAWI YOMWEYO, tsekani mawindo ndi zitseko za foni yam'manjaWEA), NOAA Weather Radio, kapena malo owulutsira zadzidzidzi amderali kuti mudziwe KAYA kuti mupite kuchipinda chapansi (Tornado), kusindikiza chipindacho (Chemical Plume), kapena kusamukira pamalo okwera (Tsunami / Dam Breach / Wildfire)." Chachiwiri, pomvetsera kwa masekondi 10 kuti ngati siren ikulira 3-Minute Yopitirizabe (Mphindi 3)"Alert / Attention" - zomwe zimagwiritsidwa ntchito pa Tornadoes, Flash Flood, Tsunami, ndi Industrial/Nuclear Plumes), Kukwera ndi Kugwa Undulating Wave Tone ("Attack / Wail" - amagwiritsidwa ntchito pa Civil Defense Air-Raid/Missile Warning ndipo, m'makonde ena ogulitsa mafakitale, Chemical Shelter-in-Place), kapena Two-Tone Hi-Lo / Electronic Voice Broadcast (Westminster Chime + Voice PA), ndikuyang'ana modutsa nthawi ya wotchi ndi momwe thambo lilili motsutsana ndi ndandanda wanthawi zonse zoyeserera zamataspala, mutha kudziwa zomwe zikuwopsezazo mkati mwa masekondi 60.

(Pamalo obisalako mkuntho, onani Tornado. Kwa zoyenga za mankhwala kapena masitima apamtunda, onani Kuphulika kwa zomera za mankhwala, kusokonekera kwa sitima, ndi chisindikizo cha malo okhala. Pamalo okonzekera zadzidzidzi za chomera cha nyukiliya, onani Ngozi yamagetsi a nyukiliya, ma radiation plume, ndi iodide ya potaziyamu ndi dziko lathu lapansi manambala angozi chikwatu.)

Chitani izi tsopano¶

1. ** Tsatirani Lamulo Lapadziko Lonse la Ma Sirens Ochenjeza Panja ("Hear It Outdoors -> Go Indoors -> Tune In"): Lowani m’chinyumba cholimba chapafupi MWAMODZI NDIPO OSAIMBA 911 kufunsa chifukwa chimene kulira kwa siren kukulira.**
2. Ma siren ochenjeza panja (Federal Signal Modulator, Thunderbolt, 2001-130, Whelen Vortex, or Hörmann ECN) likupezeka kuti lichenjeze anthu omwe ali panja (m'mapaki, mabwalo, mabwalo amasewera, mabwalo a gofu, kapena magombe) kuti alowe pansi padenga ndikuwonera zadzidzidzi.
3. OSAYAMBIRA 911 (kapena 112/999) kuti mufunse za siren pokhapokha mutanena za moto woonekera, ngozi yachipatala, kapena kugwa kwadongosolo (see manambala angozi).
4. ** Chitani "5-Second Clock & Sky Check" kuti mupewe Mayeso Okhazikika a Siren (but NEVER assume it is a test if storm clouds are present).**
5. Yang'anani miniti yeniyeni pa wotchi ya foni yanu ndikuyang'ana pawindo:
   • Kodi ndi 3:00 AM, 7:42 PM, kapena mvula yogwa ndi mitambo yamphepo yamkuntho yobiriwira/yakuda? NDIKO 100% NDI DZIWANI ZOWONA ZOWONA. Under National Weather Service (NWS) ndi malamulo a boma a EMA, ma municipalities kuletsa zokha kuyesa kwa siren pamwezi/sabata iliyonse pakagwa mvula yamkuntho, mvula yamkuntho, kapena mphepo yamkuntho ikakhala m'derali kuti anthu asasokonezeke.
   • Kodi thambo ndi loyera 100% ndipo ndi wotchi yomwe imakhala pamwamba pa ola kapena theka la ola (monga 10:00 AM Lachiwiri loyamba ku Illinois, 1:00 PM Lachitatu loyamba ku Minnesota, 12:00 PM Masana Lachitatu ku Ohio/1 Lachitatu* ku Oklahoma*1 koyamba: Switzerland/France/Austria)? Yang'anani tsamba lanu la EMA tsamba kapena Twitter/X feed kuti mutsimikizire mayeso omwe mwakonzekera, omwe nthawi zambiri amayenda kwa 30 mpaka masekondi 180 (nthawi zambiri amatsogola kapena kutsatiridwa ndi kulira kwa Westminster kapena kulengeza kwamawu: "Awa ndi mayeso").
6. ** Tsegulani foni yanu yam'manja ndikuyang'ana njira zitatu pompopompo masekondi 15 kuti muzindikire chowopsa (Tornado vs. Chemical Plume vs. Tsunami / Dam Failure):**
7. Channel A - Zidziwitso Zangozi Zopanda Waya (WEA / Emergency Alerts Mbiri Yazidziwitso): Tsitsani malo azidziwitso pafoni yanu. Ngati Chenjezo la Tornado, Mwadzidzidzi wa Chigumula, HazMat Shelter-in-Place, kapena Chenjezo la Tsunami litaperekedwa, FEMA's IPAWS (Integrated Public Alert and Warning System) amakankhira chikwangwani chowulutsa cha zero-lag mwachindunji ku foni iliyonse mkati mwa polygon.
8. Channel B - NOAA Weather Radio (162.400 to 162.550 MHz ku US/Canada) kapena Local FM/TV News Live Stream: Yatsani wailesi yanu yanyengo ya NOAA yoyendetsedwa ndi batri kapena tsegulani kanema wawayilesi wanu wamba (local meteorologists go wall-to-wall live on air within 10 seconds of any real tornado or HazMat siren activation).
9. Channel C - Wind Direction & Industrial Proximity Check (If You Live Within 16 km / 10 miles of a Refinery, Chemical Plant, Nuclear Station, Coastline, or Dam): Ngati kumwamba kuli kowala ndipo palibe chenjezo la nyengo pa radar, tsekani mazenera onse, zitseko zakunja, ndi zozimitsa moto nthawi yomweyo, ndikuzimitsa chotenthetsera chanu chapakati cha HVAC / air-conditioner (preventing outdoor air from being pulled inside) pamene mukuyang'ana ngati mafakitale ** Shelter-in-Place (SIP)** chenjezo kapena ** Kuthamangitsidwa kwa Dam/Tsunami** kukuchitika.
10. ** Fananizani mawonekedwe anu oteteza m'nyumba ndi ngozi yotsimikizika (Basement vs. Upstairs Sealed Room vs. High Ground):**
11. Ngati Chenjezo la Tornado / Mphepo Zowononga Zowongoka (130+ km/h / 80+ mph): Pitani ku pansipansi kwambiri (basement, storm cellar, or interior ground-floor bathroom/closet away from windows) ndi kuphimba mutu wako ndi matiresi, chisoti cha njinga, kapena zofunda zolemera.
12. Ngati Chemical Plant, Refinery, kapena Railcar HazMat Plume (Shelter-in-Place): Pitani ku chipinda chamkati chapansi chachiwiri kapena chapansi (POSAKHALA chipinda chapansi, chifukwa chlorine, ammonia, phosgene, ndi mpweya wa hydrogen sulfide ndi wolemera kuposa mpweya ndipo amamira m'zipinda zapansi), tsekani HVAC, ndikusindikiza ming'alu ya zitseko/zenera ndi tepi yolumikizira ndi matawulo achinyezi.
13. ** Ngati Chenjezo la Tsunami, Lahar, kapena Kumtunda kwa Dam-Failure Siren (m'mphepete mwa Coastline kapena River Valley):** ** MUSAMAKHALA m'nyumba mwanu ** - gwirani makiyi anu ndikuyenda wapansi kapena pagalimoto ** nthawi yomweyo kukwera kumalo okwera (at least 30 meters / 100 feet above sea level or 3 kilometers / 2 miles inland)**.

Mtengo wosankha: Kuyika siren yochenjeza panja mkati mwa masekondi 60¶

flowchart TD
    Start["Siren Yochenjeza Panja Iyamba Kulira Mdera Lanu Pompano"] --> GoInside["Khwerero 1 (Mphindi 0-15): LOWANI MKATI MWANTHAWI YOMWEYO (Osayima Panja Kuyang'ana Kumwamba & Osayimbanso 911 Kuti Mufunse Chifukwa)"]

    GoInside --> SkyTimeCheck{"Khwerero 2: Yang'anani Sky & Clock: Kodi Sky Clear Blue pa Mphindi Yoyeserera Yodziwika Mwezi uliwonse/Lamlungu lililonse (mwachitsanzo, Masana/10 AM/11 AM Lachiwiri/Lachitatu Loyamba)?"}

    SkyTimeCheck -->|"AYI: Thambo Lamkuntho, Usiku, Osapita Ola, KAPENA Osatsimikizika"| CheckWEA["Khwerero 3: Yang'anani Zidziwitso Zadzidzidzi za Smartphone (WEA), NOAA Weather Radio, ndi Local TV Live Radar Pompopompo"]

    SkyTimeCheck -->|"INDE: Choyera Mlengalenga Bluu pa Ola Yeniyeni Yoyeserera"| VerifyTest["Mverani kwa 60 Sec (Westminster Chime / 'This Is A Test' Voice PA) ndikutsimikizira pa County EMA Feed"]

    CheckWEA --> HazardMatch{"Khwerero 4: Ndi Mtundu Uti Wangozi Yadzidzidzi & Siren Tone Pattern Ndi Yogwira?"}

    HazardMatch -->|"1. Tornado / Mphepo Yamphamvu (130+ km/h) + Kamvekedwe Kabwino ka 3-Min"| TornadoShelter["KUKHALA KWA TORNADO: Pitani ku Basement kapena Malo Otsika Kwambiri Opanda Mawindo; Tetezani Mutu & Khosi"]

    HazardMatch -->|"2. Chemical / Refinery / Nuclear EPZ Plume (Clear Sky + Industrial Siren / Wail kapena Hi-Lo)"| ChemShelter["HAZMAT SHELTER-IN-PLACE: Tsekani Mawindo, Zimitsani HVAC/AC, Sindikizani Chipinda Cham'kati CHAPAMWAMBA (Pewani Zipinda zapansi za Gasi Wolemera)"]

    HazardMatch -->|"3. Tsunami Yam'mphepete mwa nyanja / Kulephera kwa Damu la Mtsinje / Lahar (Kulira + Voice PA 'Chokani')"| EvacHigh["KUSAVUTIKA KWAMBIRI / KWANTHAWI YONSE: OSATI KUKHALA PAMODZI PAMODZI -> Yendani Kumtunda (30m+ / 100ft+) Pompopompo"]

    HazardMatch -->|"4. Kuwukira-ndi Kugwa Kuwukira / Kulira kwa Air-Raid (Nthawi Yodzidzimutsa ya Chitetezo cha Anthu)"| BlastShelter["KUTETEZA KWA CIVIL / BLAST POURE: Pitani ku Chipinda Chapansi Chapansi Chapansi Kwambiri kapena Konkire; Yang'anirani National Emergency Broadcast"]

Gawo 1: Gome loyimbira mawu: ma siren amatanthawuza chiyani (FEMA CPG 1-17 & International Standards)¶

Ma siren amakono ambiri amagwiritsa ntchito ** chopa chozungulira chamakina (producing a pure 400 to 600 Hz acoustic horn blast)** kapena omni-directional electronic speaker array (Federal Signal Modulator / Whelen WPS wokhoza kuulutsa mawu opangidwa ndi mawu omveka bwino).

Universal & Regional Outdoor Chenjezo la Siren Tone Patterns¶

Gawo 2: Zinthu 4 zomwe zimayambitsa ma siren a tawuni yanu (It isn't just tornadoes)¶

Ngakhale ku American Midwest ("Tornado Alley") ndi Kumwera chakum'mawa ("Dixie Alley"), oyang'anira zadzidzidzi awonjezera njira zawo zoyatsira siren pazaka khumi zapitazi kuchokera ku "Tornado-Only" kupita ku **"All-Hazard Outdoor Warning Systems.

1. Nyengo Yambiri: Machenjezo a Tornado NDI "Machenjezo Owononga Mkuntho Wamkuntho" (>= 130 km/h / 80 mph Winds kapena >= 7 cm / 2.75 in Baseball Hail)¶

• Chifukwa chiyani Sirens Zimamveka Pamene Kulibe Tornado: Kuyambira 2021, U.S. National Weather Service (NWS) amagawa machenjezo a Mkuntho Wamphamvu m'magulu atatu: Base, Considerable, ndi Zowononga (winds >= 130 km/h / 80 mph - chofanana ndi mphepo yamkuntho ya EF0/EF1 kapena mzere wowongoka Derecho / Microburst - kapena hail >= 7 cm / 2.75 inches awiri).
• Chifukwa a 80 to 100 mph (130 to 160 km/h) kuphulika kowongoka kumagwetsa mitengo ikuluikulu ya thundu pamatenti, magalimoto, ndi madenga mwamphamvu ngati chimphepo chamkuntho, **Mabungwe ambiri a Emergency Management Agency tsopano akuimba machenjezo awo panja pa ZOCHITIKA ZONSE ZA Mkuntho NDI Machenjezo a Mkuntho Wowononga **.
• Polygon vs. County-Wide Activation: Siren network yakale imamveka ** siren iliyonse m'chigawo chonse ** nthawi iliyonse mphepo yamkuntho ya polygon ikakhudza ngodya imodzi ya chigawocho. Zamakono GPS/Polygon-Targeted Siren Systems (such as Federal Signal Commander) muzingowombera zokha ma siren enieni omwe ali mkati mwa poligoni yochenjeza za mphepo yamkuntho yochokera ku National Weather Service.

2. Petrochemical Refinery & Chemical Plant CAER Sirens (Shelter-in-Place Zones)¶

• Ngati mumakhala pafupi ndi malo oyeretsera mafuta, malo opangira mankhwala, malo opangira madzi a chlorine, kapena chomera cha anhydrous ammonia (such as Pasadena/Deer Park/Baytown TX, Lake Charles/Baton Rouge LA, Sarnia ON, Grangemouth UK, or Ludwigshafen Germany), ma siren omwe amayikidwa mumsewu waukulu ndi mpanda wa zomera ndi Kudziwitsa Anthu ndi Kuyankha Mwadzidzidzi (CAER) Sirens.
• Pamene mafakitale CAER siren imamveka (kunja kwa nthawi yake yoyesa sabata iliyonse, monga Lolemba nthawi ya 12:00 PM ku Sarnia kapena **Lachitatu nthawi ya 11:00 AM / 12:00 PM ku Texas Gulf Coast **), zikutanthauza kuti OSATI kukwera mgalimoto yanu kuti muyendetse mitambo yamankhwala ** - imakulamulani kuti muzichita "Shelter4" (Shelter4--Go In, Stay In, Tune In)" protocol:
• Lowani m'nyumba yapafupi nthawi yomweyo ndikubweretsa ziweto m'nyumba;
• Tsekani zitseko zonse, tsekani mazenera onse, ndi kutseka zoyatsira moto;
• Zimitsani zoziziritsira mpweya, ng'anjo, mapampu otentha, zofanizira zotenthetsera m'bafa, ndi zowumitsira zovala kuti nyumba yanu izileke kuyamwa mpweya wapanja woipitsidwa; ndi
• Yang'anani mdera lanu CAER / E-Notify App kapena Emergency Radio Station (see Kuphulika kwa zomera za mankhwala, kusokonekera kwa sitima, ndi chisindikizo cha malo okhala).

3. Chomera cha Nyukiliya 16-Kilometer (10-Mile) Plume Exposure Pathway EPZ Sirens¶

• Pansi U.S. Nyukiliya Regulatory Commission (NRC) ndi malamulo a FEMA (NUREG-0654 / FEMA-REP-1), malo aliwonse opangira magetsi a nyukiliya ku North America amakhala ndi zida zamphamvu kwambiri Alert and Notification System (ANS) Siren zokhala ndi 16-kilomita (10-mile) radius (the Plume Exposure Pathway Emergency Planning Zone / EPZ).
• Lamulo Lofunika Kwambiri: Siren ya chomera cha nyukiliya EPZ ndi MALIBE kulamula kuti anthu asamuke. Ndi "Chidziwitso / Chidziwitso Chochenjeza" cholangiza anthu okhala pamtunda wa makilomita 16 (makilomita 10) kuti ** alowe m'nyumba ndikuyimba nthawi yomweyo ku Emergency Alert System yawo (EAS) wailesi kapena wailesi yakanema**, pomwe akuluakulu azaumoyo azilengeza kuti magawo awiri kapena 5-magawo amphepo akutsika ndi mphepo (ERPAs)* ayenera kukhala m'nyumba, kutenga Potaziyamu Iodide (KI), kapena kusamuka (see Ngozi yamagetsi a nyukiliya, ma radiation plume, ndi iodide ya potaziyamu).

4. Tsunami ya m'mphepete mwa nyanja, Volcanic Lahar, ndi Hydroelectric Dam-Failure Inundation Sirens¶

• M'mphepete mwa nyanja za **Hawaii, Oregon, Washington, California, Alaska, British Columbia, Japan, Chile, ndi New Zealand **, komanso m'zigwa za mitsinje kunsi kwa madamu akuluakulu madamu amagetsi, malo osungiramo dothi, kapena madzi oundana a mapiri (such as Mount Rainier's Puyallup/Carbon/Nisqually river valleys), nsanja za siren za buluu kapena zachikasu ndi ** Ma Sirens Othawa **.
• Mosiyana ndi mphepo yamkuntho kapena ma siren a mankhwala (komwe kulowa mkati mwa chipinda chanu chapansi kapena m'nyumba kumakutetezani), ** kumva tsunami Siren ya m'mphepete mwa nyanja (makamaka mutatha kumva chivomezi kapena kuona madzi a m'nyanja akuchepa) kapena Valley Dam-Breach / Lahar Siren amatanthauza khoma la madzi kapena matope omwe akubwera pansi pa chigwa: tulukani pansi pamtunda kapena pagalimoto * yopangidwa ndi galimoto.

Gawo 3: Madongosolo oyeserera a siren a municipal municipality (How to tell a routine weekly/monthly test from a real emergency)¶

Mzinda uliwonse umayesa ma siren ake ochenjeza pa kalendala yokhazikika, yodziwika bwino kuti amakanika atsimikizire kuti mabanki a mabatire a 48-volt, ma charger a solar, ma decoder a wailesi a VHF/P25, ndi ma mota ozungulira sanagwire.

Mayeso a Common Regional Outdoor Siren (Always Verify With Local Sky Conditions)¶

Nambala zangozi zachigawo ndi ndondomeko za bungwe¶

Mafunso omwe amafunsidwa pafupipafupi¶

Chifukwa chiyani ma siren analira mtawuni yanga pomwe chimphepocho chinali pamtunda wa makilomita 15 kutsidya lina la chigawocho?¶

M'maboma ambiri akumidzi ndi akumidzi omwe amagwiritsa ntchito zida za VHF zamitundu iwiri zomangidwa m'zaka za m'ma 1980 ndi 1990, **ma siren 30 mpaka 60 ochenjeza akunja amawayidwa pawayilesi imodzi**. Ngati National Weather Service ipereka Tornado Warning polygon yomwe imadula ngakhale ngodya ya 3-kilomita (2-mile) pamzere wachigawo, pulogalamu ya County 911 dispatch imangoyambitsa siren iliyonse m'boma nthawi imodzi. Ngakhale m'mizinda yomwe ili ndi ma siren amakono a GPS, oyang'anira zadzidzidzi nthawi zambiri amatsegula ma siren ** 1 mpaka matauni a 2 kutsogolo ("kumunsi") kwa cell yothamanga kwambiri** yoyenda pa. `95 km/h (60 mph)` kotero anthu akunja amakhala ndi mphindi 10 mpaka 15 kuti alowe mkati mpira wa zinyalala usanafike. Osanyalanyaza siren poganiza kuti ndi gawo lina la chigawocho mpaka mutayang'ana pa radar ndikutsimikizira kuti msewu wanu uli kunja ndi kuseri kwa poligoni yamkuntho.

Kodi ma siren aku Europe amamveka bwanji?Germany, Austria, Switzerland, France) ndi Singapore PWS ma siren amasiyana ndi ma sirens aku North America?¶

Mosiyana ndi United States ndi Canada (komwe pafupifupi palibe mizinda imagwiritsa ntchito siren ya "All-Clear", maukonde angapo achitetezo aku Europe ndi Asia amagwiritsa ntchito *3-Signal National Siren Code**: - ** Ku Germany (`BBK Standard`) ndi Austria:** **(1) Kamvekedwe kakukweza-ndi kugwa kwa mphindi imodzi (`Heulton`)** amatanthauza **KUYAMBIRA: Pezani malo okhala m'nyumba nthawi yomweyo, tsekani mazenera, ndipo fufuzani `NINA` pulogalamu / wailesi **; ndi **(2) Kamvekedwe ka Mphindi 1 Kosagwedezeka (`Dauerton`)** ndi mkulu **"Zomveka bwino (`Entwarnung`)"** chizindikiro. - **Ku Switzerland:** **(1) "General Alamu" (`1-minute regular ascending/descending tone repeated after 2 minutes`)** amatanthauza kulowa mkati ndikumvetsera wailesi ya SRF; pomwe **(2) Alamu ya "Madzi / Damu-Kulephera" (`12 low, 20-second blasts separated by 10-second pauses`)** zomveka m'zigwa zomwe zili pansi pa madamu opangira magetsi amadzimadzi zimatanthauza **kuchotsa m'chigwacho kupita kumalo okwera nthawi yomweyo**. - **Ku Singapore (`SCDF Public Warning System`):** **(1) Kulira Kuphulika** = Ngozi Yomwe Ikubwera ya Mpweya/Bomba (Samukani ku Malo Osungirako Chitetezo cha Civil); **(2) Kuphulika kwa "Hi-Lo" (`Important Message Signal`)** = Onerani nthawi yomweyo ku wayilesi ya FM yakudera lanu kapena CNA TV kuti mupeze chenjezo lamankhwala / anthu; ndi **(3) Kuphulika Kwathyathyathya Kopitirira** = Zomveka Zonse.

Nanga bwanji ngati siren yochenjeza panja kuseri kwa nyumba yanga itakhala kuti "Ikakamira" pambuyo pa kugunda kwamphezi kapena kuyezetsa mwezi uliwonse ndikusiya kukuwa?¶

Nthawi zina, mphezi kapena cholumikizira cholumikizira cholumikizira mkati mwa kabati yoyang'anira siren yokwera pamtengo kumapangitsa kuti siren imveke mosalekeza mayeso kapena mkuntho ukadutsa. **Choyamba, yang'anani malo ochezera a radar ndi dera la EMA kuti mukhale otsimikiza 100% kuti ndizolakwika osati zadzidzidzi.* Chachiwiri, **MUSAMAYIMBA 911**; imbani nambala ya *Non-Emergency Police/Fire Dispatch ya ma municipalities* 10 kapena `311`** ndikunena za mphambano yeniyeni (`or the 3-digit Siren ID number stenciled in big black/yellow numbers on the side of the siren pole`). Katswiri wa Emergency Management wa mzindawu kapena wogwiritsa ntchito magetsi azitulutsa ndikukoka ** cholumikizira chakunja cholumikizira (`or 48V battery disconnect`)** m'munsi mwa mtengo. **Osayesa kusokoneza, kuwombera, kapena kutsegula kabati yamagetsi yokhoma nokha** (`doing so carries a high-voltage electrocution hazard and is a federal/state felony for tampering with civil-defense infrastructure`).

Kodi wobera akhoza kuyimitsa ma siren ochenjeza panja pamzinda (monga chochitika chodziwika bwino cha 2017 Dallas, Texas siren)?¶

Mu Epulo 2017, ma siren ochenjeza okwana 156 akunja ku Dallas, Texas adayambitsidwa nthawi ya 11:42 PM usiku wopanda kanthu ndi wochita sewero wosaloledwa amatumiza analogi osalembetsedwa **DTMF (`Dual-Tone Multi-Frequency`) ma wailesi** pawayilesi ya UHF yotetezedwa ndi anthu mumzinda. Kutsatira izi, FEMA ndi Cybersecurity and Infrastructure Security Agency (`CISA`) anapereka malangizo m'dziko lonse lolangiza ma municipalities kuti akweze zolandila za analogi za DTMF kukhala **P25 Encrypted Digital Radio, AES-256 Satellite/Cellular IP, ndi njira ziwiri zovotera za SCADA**. Ngakhale kuyambika kwachipongwe kuchitike usiku wopanda kanthu, kuyankha kwanu nthawi yomweyo kumakhala kofanana: lowa m'nyumba, yang'anani woyang'anira foni yanu yam'manja. `WEA` / NWS feed ndi nkhani zapa TV zakomweko kwa masekondi 60, ndipo mzindawu ukangotsimikizira zabodza pazama TV, bwererani kukagona osayimba 911.

Chifukwa chiyani ndidamva phokoso lodabwitsa la "Whoop-Whoop" kapena "Buzzer" kuchokera m'bwalo la gofu kapena malo ochitira anthu ambiri mumsewu pomwe mabingu akutali amamveka?¶

Malo ambiri odyetserako ma municipalities, malo ochitira gofu, maiwe osambira, makalabu akumayiko, ndi mabwalo ochitira masewera a masukulu amayendetsa okha **Thor Guard kapena Earth Networks Lightning Prediction & Detection Siren System** (yosiyana kotheratu ndi ma siren achitetezo a mzindawu). Masensa a mumlengalenga akazindikira kugunda kwa mphezi mkati mwa **13 mpaka 16 kilomita (8 mpaka 10 miles)**, lipenga la pakiyo limalira **kuphulika kumodzi kwa nyanga yampweya kwamasekondi 15** (`accompanied by a flashing yellow/white strobe light on the clubhouse roof`) kulamula othamanga ndi osambira kuti athetse malo / dziwe ndi kulowa mkati mwa nyumba kapena galimoto yolimba. Mosiyana ndi kulira kwa chimphepo chamkuntho, **nyanga zamphezi papaki DO zimamveka chizindikiro chodziwika bwino cha "All-Clear"**: **kuwomba kwanyanga zitatu zazifupi za masekondi 5 (`Beep - Beep - Beep`)** ndi kuwala kwa strobe kuzimitsa kamodzi mphindi 30 zadutsa popanda mphezi.

Maupangiri ogwirizana¶

• Tornado
• Tsunami
• Kuphulika kwa zomera za mankhwala, kusokonekera kwa sitima, ndi chisindikizo cha malo okhala
• Ngozi yamagetsi a nyukiliya, ma radiation plume, ndi iodide ya potaziyamu
• Mvula yamkuntho ndi mphezi
• Nambala zangozi ndi kutumiza padziko lonse lapansi

Magwero ndi malangizo ovomerezeka¶

• Federal Emergency Management Agency (FEMA, United States Department of Homeland Security): Civil Preparedness Guide (CPG) 1-17: Outdoor Warning Systems Guide (Standard Acoustic Signal Tanthauzo: 3-to-5-Minute Steady Alert Tone vs. Rising-and-Falling Attack Public, Waure Wail Atten Tone) Chidziwitso ndi Chenjezo (IPAWS).
• National Oceanic and Atmospheric Administration (NOAA) & National Weather Service (NWS, United States): Malangizo a Community StormReady, Chenjezo Lamphamvu la Mkuntho "Zowononga" Tag Siren Activation Criteria (>= 80 mph / 130 km/h Winds), ndi NOAA Weather Radio SAME Receiver Standards.
• United States Nuclear Regulatory Commission (NRC) & FEMA: NUREG-0654 / FEMA-REP-1, Rev. 2: Zoyenera Kukonzekera ndi Kuunika Mapulani a Radiological Emergency Response Plans ndi Kukonzekera Pothandizira Nuclear Power Plants (10-Mile / 16-ZPOsure Exposure Exposure System Apthway System Pthway). Miyezo).
• ** Ofesi ya Germany Federal of Civil Protection and Disaster Assistance (BBK - Bundesamt für Bevölkerungsschutz und Katastrophenhilfe) & Swiss Federal Office for Civil Protection (FOCP / BABS)**: *Standardized European Civil Protection Siren Signals (1-Minute Rising / Falling Danger Tone vs. 1-Minute Yokhazikika Yonse Yomveka Toni ndi Dam-Breach Water Alamu) *.
• Singapore Civil Defense Force (SCDF): Public Chenjezo System (PWS) Siren Signal Handbook (Alamu, Zomveka Zonse, ndi Zizindikiro Zauthenga Zofunika).