Alert archive / Idaho / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Jun 29, 2021, 7:43 PM MDT for Bingham County, Bonneville County, Idaho. It was in force for 33 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
- Jun 29, 2021, 7:43 PM MDT (01:43 UTC)
- Expired
- Jun 29, 2021, 8:16 PM MDT
- In force
- 33 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bingham County, ID, Bonneville County, ID
The radar
The Pocatello radar (KSFX), 74 km from the middle of the area, began a volume at 01:44 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
Riverton, WY (KRIW), launched 00:00Z, 1.7 hours before the alert went out and 286 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
- 3000 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
547
WUUS55 KPIH 300143
SVRPIH
IDC011-019-300230-
/O.NEW.KPIH.SV.W.0005.210630T0143Z-210630T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pocatello ID
743 PM MDT Tue Jun 29 2021
The National Weather Service in Pocatello has issued a
* Severe Thunderstorm Warning for...
Northwestern Bonneville County in southeastern Idaho...
Northeastern Bingham County in southeastern Idaho...
* Until 830 PM MDT.
* At 742 PM MDT, a severe thunderstorm was located 7 miles southwest
of Ririe Reservoir, moving west at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is possible. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Idaho Falls, Goshen, Ririe Reservoir, Ammon, Shelley, Iona, Firth
and Basalt.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4349 11168 4336 11166 4328 11224 4357 11223
TIME...MOT...LOC 0142Z 088DEG 19KT 4343 11180
HAIL...1.00IN
WIND...60MPH
$$
Huston2 follow-up statements
248
WWUS55 KPIH 300203
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
803 PM MDT Tue Jun 29 2021
IDC011-019-300230-
/O.CON.KPIH.SV.W.0005.000000T0000Z-210630T0230Z/
Bonneville ID-Bingham ID-
803 PM MDT Tue Jun 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT
FOR NORTHWESTERN BONNEVILLE AND NORTHEASTERN BINGHAM COUNTIES...
At 800 PM MDT, a severe thunderstorm was located over Ozone, moving
west-southwest at 20 mph toward the Idaho Falls country club and
Shelley.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Ozone, rural properties south of Ammon and Idaho Falls, Goshen,
Shelley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4351 11180 4335 11176 4328 11224 4357 11223
TIME...MOT...LOC 0200Z 088DEG 19KT 4343 11193
HAIL...1.00IN
WIND...60MPH
$$
Huston925
WWUS55 KPIH 300216
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
816 PM MDT Tue Jun 29 2021
IDC011-019-300226-
/O.CAN.KPIH.SV.W.0005.000000T0000Z-210630T0230Z/
Bonneville ID-Bingham ID-
816 PM MDT Tue Jun 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BONNEVILLE AND
NORTHEASTERN BINGHAM COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened significantly and
fallen below severe limits, and no longer poses an immediate threat
to life or property. Therefore, the warning has been cancelled.
However gusty winds and heavy rain are still possible with this
thunderstorm.
LAT...LON 4351 11180 4335 11176 4328 11224 4357 11223
TIME...MOT...LOC 0206Z 088DEG 19KT 4343 11205
$$
HustonThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 6:07 PM MDT | Special Weather Statement | PIH | Bonneville | 53 min |
| Jun 29, 7:05 PM MDT | Special Weather Statement | PIH | Bonneville | 40 min |
| Jun 29, 7:09 PM MDT | Special Weather Statement | PIH | Clark | 36 min |
| Jun 29, 7:21 PM MDT | Special Weather Statement | PIH | Fremont | 39 min |
| Jun 29, 8:41 PM MDT | Special Weather Statement | PIH | Butte | 64 min |
| Jun 29, 10:48 PM MDT | Special Weather Statement | PIH | Bingham, Butte | 57 min |
| Jun 30, 2:12 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Blaine, Boise, Bonneville, Butte and 14 more | 31 hr |
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.