Alert archive / Idaho / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Aug 2, 2021, 6:54 PM MDT for Bannock County, Bingham County, Power County, Idaho. It was in force for 36 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 2, 2021, 6:54 PM MDT (00:54 UTC)
- Expired
- Aug 2, 2021, 7:30 PM MDT
- In force
- 36 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bannock County, ID, Bingham County, ID, Power County, ID
The radar
The Pocatello radar (KSFX), 19 km from the middle of the area, began a volume at 00:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 2, 7:03 PM MDT | TSTM WND GST 60 | Pocatello, ID | |
| Aug 2, 7:13 PM MDT | FUNNEL CLOUD | N Pocatello, ID | |
| Aug 2, 7:31 PM MDT | TSTM WND DMG | 1 S Pocatello, ID |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 0.9 hours before the alert went out and 251 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
- 62 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1780 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
344 WUUS55 KPIH 030054 SVRPIH IDC005-011-077-030130- /O.NEW.KPIH.SV.W.0013.210803T0054Z-210803T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pocatello ID 654 PM MDT Mon Aug 2 2021 The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for... Northwestern Bannock County in southeastern Idaho... Northeastern Power County in southeastern Idaho... Southern Bingham County in southeastern Idaho... * Until 730 PM MDT. * At 654 PM MDT, a severe thunderstorm was located over Pocatello Airport, or near Pocatello, moving southeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Pocatello, Blackfoot, American Falls, American Falls Reservoir, Chubbuck, Firth, Fort Hall Buffalo Lodge, Rose, Fort Hall Eagle Lodge, Fort Hall Lincoln Creek Lodge, Fort Hall Townsite, Fort Hall Bannock Creek Lodge, Pocatello Airport, Fort Hall Putnam Lodge, Groveland, Wapello and Trail Creek Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4289 11290 4332 11225 4320 11180 4263 11276 TIME...MOT...LOC 0054Z 323DEG 49KT 4294 11258 HAIL...<.75IN WIND...60MPH $$ TW
2 follow-up statements
917
WWUS55 KPIH 030114
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
714 PM MDT Mon Aug 2 2021
IDC005-011-077-030130-
/O.CON.KPIH.SV.W.0013.000000T0000Z-210803T0130Z/
Bannock ID-Power ID-Bingham ID-
714 PM MDT Mon Aug 2 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR NORTHWESTERN BANNOCK...NORTHEASTERN POWER AND SOUTHERN BINGHAM
COUNTIES...
At 711 PM MDT, a severe thunderstorm was located near Portneuf Gap,
or 9 miles southeast of Pocatello, moving southeast at 25 mph.
HAZARD...gusts of 45 mph with gusts up to 60 mph wind.
SOURCE...Radar indicated up to 60 mph. Recorded observation of 49
mph.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pocatello, Blackfoot, American Falls, American Falls Reservoir,
Chubbuck, Firth, Fort Hall Buffalo Lodge, Rose, Fort Hall Eagle
Lodge, Fort Hall Lincoln Creek Lodge, Fort Hall Townsite, Fort Hall
Bannock Creek Lodge, Pocatello Airport, Fort Hall Putnam Lodge,
Groveland, Wapello and Trail Creek Campground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4289 11290 4332 11225 4320 11180 4263 11276
TIME...MOT...LOC 0111Z 323DEG 49KT 4275 11238
HAIL...<.75IN
WIND...60MPH
$$
TW382
WWUS55 KPIH 030128
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
728 PM MDT Mon Aug 2 2021
IDC005-011-077-030138-
/O.EXP.KPIH.SV.W.0013.000000T0000Z-210803T0130Z/
Bannock ID-Power ID-Bingham ID-
728 PM MDT Mon Aug 2 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BANNOCK...
NORTHEASTERN POWER AND SOUTHERN BINGHAM COUNTIES WILL EXPIRE AT 730
PM MDT...
The storm which prompted the warning has weakened below severe
limits, and has mostly exited the warned area. Therefore, the
warning will be allowed to expire.
LAT...LON 4289 11290 4332 11225 4320 11180 4263 11276
TIME...MOT...LOC 0128Z 323DEG 49KT 4267 11230
$$
TWThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:06 PM MDT | Special Weather Statement | PIH | Minidoka | 69 min |
| Aug 2, 6:43 PM MDT | Special Weather Statement | PIH | Bingham | 47 min |
| Aug 2, 7:26 PM MDT | Special Weather Statement | PIH | Bannock, Power | 79 min |
| Aug 2, 7:35 PM MDT | Special Weather Statement | PIH | Madison | 55 min |
| Aug 2, 8:10 PM MDT | Special Weather Statement | PIH | Caribou, Oneida | 35 min |
| Aug 3, 4:26 PM MDT | Areal Flood Advisory | PIH | Blaine, Butte, Custer | 2 hr |
| Aug 3, 5:39 PM MDT | Areal Flood Advisory | PIH | Blaine | 73 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.