Alert archive / Idaho / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Sep 10, 2021, 4:23 PM MDT for Power County, Idaho. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2021, 4:23 PM MDT (22:23 UTC)
- Expired
- Sep 10, 2021, 4:47 PM MDT
- In force
- 24 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Power County, ID
The radar
The Pocatello radar (KSFX), 68 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 205 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3445 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
510 WUUS55 KPIH 102223 SVRPIH IDC077-102300- /O.NEW.KPIH.SV.W.0019.210910T2223Z-210910T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pocatello ID 423 PM MDT Fri Sep 10 2021 The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for... Southeastern Power County in southeastern Idaho... * Until 500 PM MDT. * At 423 PM MDT, a severe thunderstorm was located 7 miles south of Rockland, or 18 miles south of Neeley, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Rockland, Fort Hall Bannock Peak and Pauline. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4235 11278 4244 11299 4275 11286 4261 11247 TIME...MOT...LOC 2223Z 209DEG 29KT 4246 11283 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DMH
2 follow-up statements
724 WWUS55 KPIH 102239 SVSPIH Severe Weather Statement National Weather Service Pocatello ID 439 PM MDT Fri Sep 10 2021 IDC077-102300- /O.CON.KPIH.SV.W.0019.000000T0000Z-210910T2300Z/ Power ID- 439 PM MDT Fri Sep 10 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR SOUTHEASTERN POWER COUNTY... At 439 PM MDT, a severe thunderstorm was located over Fort Hall Bannock Peak, or 12 miles southeast of Neeley, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Rockland, Fort Hall Bannock Peak and Pauline. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4235 11278 4244 11299 4275 11286 4261 11247 TIME...MOT...LOC 2239Z 209DEG 29KT 4257 11274 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DMH
295
WWUS55 KPIH 102247
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
447 PM MDT Fri Sep 10 2021
IDC077-102257-
/O.CAN.KPIH.SV.W.0019.000000T0000Z-210910T2300Z/
Power ID-
447 PM MDT Fri Sep 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN POWER COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 4235 11278 4244 11299 4275 11286 4261 11247
TIME...MOT...LOC 2245Z 209DEG 29KT 4263 11269
$$
DMHThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 2:47 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 19 more | 19 hr |
| Sep 10, 2:26 PM MDT | Special Weather Statement | PIH | Minidoka | 34 min |
| Sep 10, 2:50 PM MDT | Special Weather Statement | PIH | Bingham, Power | 25 min |
| Sep 10, 3:09 PM MDT | Special Weather Statement | PIH | Blaine | 36 min |
| Sep 10, 3:15 PM MDT | Special Weather Statement | PIH | Bannock, Bingham, Jefferson, Power | 45 min |
| Sep 10, 3:18 PM MDT | Special Weather Statement | PIH | Blaine, Lincoln, Minidoka | 27 min |
| Sep 10, 3:45 PM MDT | Special Weather Statement | PIH | Blaine, Butte, Custer, Minidoka | 30 min |
| Sep 10, 4:00 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Clark, Fremont, Jefferson, Madison | 30 min |
| Sep 10, 4:04 PM MDT | Special Weather Statement | PIH | Bingham | 26 min |
| Sep 10, 4:16 PM MDT | Special Weather Statement | PIH | Butte | 29 min |
| Sep 10, 4:21 PM MDT | Special Weather Statement | PIH | Butte | 24 min |
| Sep 10, 4:28 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Fremont, Jefferson | 14 min |
| Sep 10, 4:34 PM MDT | Special Weather Statement | PIH | Bonneville, Jefferson, Madison | 26 min |
| Sep 10, 4:42 PM MDT | Special Weather Statement | PIH | Butte | 33 min |
| Sep 10, 4:46 PM MDT | Special Weather Statement | PIH | Power | 29 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2021Every severe thunderstorm warning 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.