Alert archive / Idaho / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at May 16, 2021, 6:54 PM MDT for 7 counties in Idaho. It was in force for 66 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
- May 16, 2021, 6:54 PM MDT (00:54 UTC)
- Expired
- May 16, 2021, 8:00 PM MDT
- In force
- 66 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, Blaine County, ID, Cassia County, ID, Lincoln County, ID, Minidoka County, ID, Power County, ID
The nearest sounding before it
Elko, NV (KLKN), launched 00:00Z, 0.9 hours before the alert went out and 204 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
- 1451 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
795
WUUS55 KPIH 170054
SVRPIH
IDC005-011-013-031-063-067-077-170200-
/O.NEW.KPIH.SV.W.0001.210517T0054Z-210517T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pocatello ID
654 PM MDT Sun May 16 2021
The National Weather Service in Pocatello has issued a
* Severe Thunderstorm Warning for...
Southeastern Blaine County in central Idaho...
Northwestern Bannock County in southeastern Idaho...
Northern Power County in southeastern Idaho...
Southeastern Lincoln County in south central Idaho...
Northern Cassia County in southeastern Idaho...
Southwestern Bingham County in southeastern Idaho...
Minidoka County in south central Idaho...
* Until 800 PM MDT.
* At 652 PM MDT, very strong winds associated with thunderstorm
outflows were located along a line extending from near Chubbuck to
10 miles southwest of Burley, moving north at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees. Blowing dust
may suddenly reduce visibility to near zero.
* Locations impacted include...
Pocatello, Blackfoot, Burley, Rupert, American Falls, Heyburn, Lake
Walcott, American Falls Reservoir, Neeley, Chubbuck, Aberdeen,
Paul, Declo, Albion, Minidoka, Rose, Fort Hall Bannock Creek Lodge,
Pingree, Pocatello Airport and Cold Water Rest Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
If on or near American Falls Reservoir, get away from the water and
move indoors or inside a vehicle. Remember, lightning can strike out
to 15 miles from the parent thunderstorm. If you can hear thunder,
you are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
LAT...LON 4242 11407 4251 11407 4254 11393 4276 11393
4277 11405 4281 11405 4281 11435 4282 11436
4330 11230 4284 11234 4240 11333 4233 11400
TIME...MOT...LOC 0052Z 165DEG 31KT 4296 11247 4244 11394
HAIL...<.75IN
WIND...60MPH
$$
DMH2 follow-up statements
222
WWUS55 KPIH 170138
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
738 PM MDT Sun May 16 2021
IDC005-170146-
/O.CAN.KPIH.SV.W.0001.000000T0000Z-210517T0200Z/
Bannock ID-
738 PM MDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BANNOCK COUNTY IS
CANCELLED...
The thunderstorm winds which prompted the warning have weakened.
Therefore, the warning has been cancelled.
LAT...LON 4242 11407 4251 11407 4254 11393 4276 11393
4277 11405 4281 11405 4281 11435 4282 11436
4314 11300 4261 11286 4240 11333 4233 11400
TIME...MOT...LOC 0136Z 165DEG 31KT 4333 11260 4281 11408
$$
IDC011-013-031-063-067-077-170200-
/O.CON.KPIH.SV.W.0001.000000T0000Z-210517T0200Z/
Blaine ID-Power ID-Lincoln ID-Cassia ID-Bingham ID-Minidoka ID-
738 PM MDT Sun May 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM MDT
FOR SOUTHEASTERN BLAINE...NORTHWESTERN POWER...SOUTHEASTERN
LINCOLN...NORTHERN CASSIA...SOUTHWESTERN BINGHAM AND MINIDOKA
COUNTIES...
At 736 PM MDT, severe thunderstorms were located along a line
extending from Taber to 14 miles north of Hazelton, moving north at
35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Burley, Rupert, Heyburn, Lake Walcott, Paul, Declo, Albion, Minidoka,
Cold Water Rest Area, Acequia, Yale Rest Area, Massacre Rocks, Bear
Trap Airport, Kimama, Pilar Butte, Idahome and Interstate 84 And 86
Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 4242 11407 4251 11407 4254 11393 4276 11393
4277 11405 4281 11405 4281 11435 4282 11436
4314 11300 4261 11286 4240 11333 4233 11400
TIME...MOT...LOC 0136Z 165DEG 31KT 4333 11260 4281 11408
HAIL...<.75IN
WIND...60MPH
$$
DMH872
WWUS55 KPIH 170154
SVSPIH
Severe Weather Statement
National Weather Service Pocatello ID
754 PM MDT Sun May 16 2021
IDC011-013-031-063-067-077-170203-
/O.EXP.KPIH.SV.W.0001.000000T0000Z-210517T0200Z/
Blaine ID-Power ID-Lincoln ID-Cassia ID-Bingham ID-Minidoka ID-
754 PM MDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLAINE...
NORTHWESTERN POWER...SOUTHEASTERN LINCOLN...NORTHERN CASSIA...
SOUTHWESTERN BINGHAM AND MINIDOKA COUNTIES WILL EXPIRE AT 800 PM
MDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
LAT...LON 4242 11407 4251 11407 4254 11393 4276 11393
4277 11405 4281 11405 4281 11435 4282 11436
4314 11300 4261 11286 4240 11333 4233 11400
TIME...MOT...LOC 0153Z 165DEG 31KT 4343 11264 4291 11412
$$
DMHThe office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 6:29 PM MDT | Special Weather Statement | PIH | Cassia | 91 min |
| May 16, 6:31 PM MDT | Special Weather Statement | PIH | Power | 89 min |
| May 17, 2:02 PM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 30 hr |
| May 17, 5:37 PM MDT | Special Weather Statement | PIH | Bear Lake | 38 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.