Alert archive / Idaho / Flash Flood Watches in 2021
Flash Flood Watch 2, NWS Pocatello, ID
NWS Pocatello, ID issued this flash flood watch at Oct 7, 2021, 2:04 PM MDT for 5 counties in Idaho. It took effect at Oct 7, 2021, 3:00 PM MDT. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- Oct 7, 2021, 2:04 PM MDT (20:04 UTC)
- In effect from
- Oct 7, 2021, 3:00 PM MDT
- Expired
- Oct 8, 2021, 11:00 PM MDT
- In force
- 32 hr
- Issued by
- NWS Pocatello, ID
- Flood severity
- None
Counties Bear Lake County, ID, Caribou County, ID, Cassia County, ID, Franklin County, ID, Oneida County, ID
The radar
The Pocatello radar (KSFX), 95 km from the middle of the area, began a volume at 20:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 8.1 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 40 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
412 WGUS65 KPIH 072004 FFAPIH URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Pocatello ID 204 PM MDT Thu Oct 7 2021 IDZ056-081200- /O.NEW.KPIH.FF.A.0002.211007T2100Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Hills/Albion Mountains- Including the cities of Albion and Almo 204 PM MDT Thu Oct 7 2021 ...FLASH FLOOD WATCH FOR THE BADGER FIRE BURN AREA IN EFFECT THROUGH FRIDAY EVENING... The National Weather Service in Pocatello has issued a * Flash Flood Watch for the Badger Fire Burn Area in a portion of southeast Idaho, including the following area, Southern Hills/Albion Mountains. * Through Friday evening. * National Weather Service Meteorologists are forecasting moderate to heavy rainfall over the Badger Fire Burn Area, which may lead to flash flooding and debris flows. The more likely times of concern would this afternoon into early evening and again tomorrow afternoon, Friday, into early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ TW
4 follow-up statements
669 WGUS65 KPIH 072113 FFAPIH URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Pocatello ID 313 PM MDT Thu Oct 7 2021 IDZ059-060-081200- /O.EXB.KPIH.FF.A.0002.211008T1800Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Franklin/Eastern Oneida Region-Bear River Range- Including the cities of Malad, Preston, Emigration Summit, and Thatcher 313 PM MDT Thu Oct 7 2021 ...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... The National Weather Service in Pocatello has expanded the * Flash Flood Watch to include a portion of southeast Idaho, including the following areas, Bear River Range and Franklin/Eastern Oneida Region. * From Friday afternoon through Friday evening. * Expecting around 1.00 to 1.50 inches for the Franklin and Oneida counties and the Wasatch mountains. Expect showers and thunderstorms with moderate to heavy rain rates developing in the afternoon and likely moving over the same areas in Southwest flow. * Flash flooding in steep mountain terrain, burn scar areas, and low lying areas, especially those within city boundaries. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ IDZ056-081200- /O.CON.KPIH.FF.A.0002.000000T0000Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Hills/Albion Mountains- Including the cities of Albion and Almo 313 PM MDT Thu Oct 7 2021 ...FLASH FLOOD WATCH FOR THE BADGER FIRE BURN AREA REMAINS IN EFFECT THROUGH FRIDAY EVENING... The Flash Flood Watch continues for * The Badger Fire Burn Area in a portion of southeast Idaho, including the following area, Southern Hills/Albion Mountains. * Through Friday evening. * National Weather Service Meteorologists are forecasting heavy rainfall over the Badger Fire Burn Area, which may lead to flash flooding and debris flows. The more likely times of concern would this afternoon into early evening and again tomorrow afternoon, Friday, into early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ TW
325 WGUS65 KPIH 080900 FFAPIH Flood Watch National Weather Service Pocatello ID 300 AM MDT Fri Oct 8 2021 IDZ056-082100- /O.CON.KPIH.FF.A.0002.000000T0000Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Hills/Albion Mountains- Including the cities of Albion and Almo 300 AM MDT Fri Oct 8 2021 ...FLASH FLOOD WATCH FOR THE BADGER FIRE BURN AREA REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * The Badger Fire Burn Area in a portion of southeast Idaho, including the following area, Southern Hills/Albion Mountains. * Through this evening. * National Weather Service Meteorologists are forecasting heavy rainfall over the Badger Fire Burn Area, which may lead to flash flooding and debris flows. The greatest period of concern is this afternoon into early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ IDZ059-060-082100- /O.CON.KPIH.FF.A.0002.211008T1800Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Franklin/Eastern Oneida Region-Bear River Range- Including the cities of Malad, Preston, Emigration Summit, and Thatcher 300 AM MDT Fri Oct 8 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON MDT TODAY THROUGH THIS EVENING... The Flash Flood Watch continues for * A portion of southeast Idaho, including the following areas, Bear River Range and Franklin/Eastern Oneida Region. * From Noon MDT today through this evening. * Heavy rainfall associated with thunderstorms is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ MH
268 WGUS65 KPIH 081751 FFAPIH Flood Watch National Weather Service Pocatello ID 1151 AM MDT Fri Oct 8 2021 IDZ056-090500- /O.CON.KPIH.FF.A.0002.000000T0000Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Hills/Albion Mountains- Including the cities of Albion and Almo 1151 AM MDT Fri Oct 8 2021 ...FLASH FLOOD WATCH FOR THE BADGER FIRE BURN AREA REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... The Flash Flood Watch continues for * The Badger Fire Burn Area in a portion of southeast Idaho, including the following area, Southern Hills/Albion Mountains. * Until 11 PM MDT this evening. * National Weather Service Meteorologists are forecasting heavy rainfall over the Badger Fire Burn Area, which may lead to flash flooding and debris flows. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ IDZ059-060-090500- /O.CON.KPIH.FF.A.0002.211008T1800Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Franklin/Eastern Oneida Region-Bear River Range- Including the cities of Malad, Preston, Emigration Summit, and Thatcher 1151 AM MDT Fri Oct 8 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING... The Flash Flood Watch continues for * A portion of southeast Idaho, including the following areas, Bear River Range and Franklin/Eastern Oneida Region. * Until 11 PM MDT this evening. * Heavy rainfall associated with thunderstorms is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ DV
308 WGUS65 KPIH 090441 FFAPIH Flood Watch National Weather Service Pocatello ID 1041 PM MDT Fri Oct 8 2021 IDZ056-059-060-090545- /O.EXP.KPIH.FF.A.0002.000000T0000Z-211009T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Hills/Albion Mountains-Franklin/Eastern Oneida Region-Bear River Range- Including the cities of Albion, Preston, Almo, Emigration Summit, Thatcher, and Malad 1041 PM MDT Fri Oct 8 2021 ...FLASH FLOOD WATCH FOR THE BADGER FIRE BURN SCAR...BEAR RIVER RANGE...AND FRANKLIN/EASTERN ONEIDA REGION WILL EXPIRE AT 11 PM MDT THIS EVENING... The Flash Flood Watch for the Badger Fire Burn Scar, including the following areas, Bear River Range, Franklin/Eastern Oneida Region and Southern Hills/Albion Mountains will expire at 11 PM MDT this evening. More rain is expected through Saturday, but the risk of more widespread flooding is no longer expected. Please continue to heed remaining road closures. $$ JKeyes
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 1:36 PM MDT | Special Weather Statement | PIH | Bannock | 24 min |
| Oct 7, 2:02 PM MDT | Special Weather Statement | PIH | Bannock | 28 min |
| Oct 7, 2:35 PM MDT | Severe Thunderstorm Warning | PIH | Cassia | 25 min |
| Oct 7, 2:40 PM MDT | Flash Flood Warning | PIH | Cassia | 2 hr |
| Oct 7, 3:00 PM MDT | Special Weather Statement | PIH | Cassia | 45 min |
| Oct 7, 3:54 PM MDT | Severe Thunderstorm Warning | PIH | Cassia | 51 min |
| Oct 7, 4:41 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Power | 34 min |
| Oct 7, 5:14 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Power | 31 min |
| Oct 7, 5:44 PM MDT | Special Weather Statement | PIH | Power | 31 min |
Nearby
Flash Flood Watches in Idaho, 2021Every flash flood watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.