Alert archive / Idaho / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Pocatello, ID

July 5, 2021Bingham County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jul 5, 2021, 5:40 PM MDT for Bingham County, Idaho. It was in force for 35 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
Jul 5, 2021, 5:40 PM MDT (23:40 UTC)
Expired
Jul 5, 2021, 6:15 PM MDT
In force
35 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Bingham County, ID

The radar

The Pocatello radar (KSFX), 16 km from the middle of the area, began a volume at 23:44 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 11.7 hours before the alert went out and 277 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.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 12:00Z on 2021-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
69 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
2168 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
-33 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

757 
WUUS55 KPIH 052340
SVRPIH
IDC011-060015-
/O.NEW.KPIH.SV.W.0006.210705T2340Z-210706T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pocatello ID
540 PM MDT Mon Jul 5 2021

The National Weather Service in Pocatello has issued a

* Severe Thunderstorm Warning for...
  West central Bingham County in southeastern Idaho...

* Until 615 PM MDT.

* At 539 PM MDT, a severe thunderstorm was located near Rockford, or
  12 miles west of Blackfoot, moving east at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar and weather station indicated. A wind gust to 60 
           MPH was measured in Taber.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Blackfoot, Rockford, Moreland, Rose, Fort Hall Eagle Lodge,
  Pingree, Taber and Groveland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4317 11276 4340 11266 4332 11226 4304 11241
TIME...MOT...LOC 2339Z 289DEG 21KT 4324 11258 

HAIL...0.75IN
WIND...60MPH
 
$$

KSmith
2 follow-up statements
802 
WWUS55 KPIH 052357
SVSPIH

Severe Weather Statement
National Weather Service Pocatello ID
557 PM MDT Mon Jul 5 2021

IDC011-060015-
/O.CON.KPIH.SV.W.0006.000000T0000Z-210706T0015Z/
Bingham ID-
557 PM MDT Mon Jul 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR WEST CENTRAL BINGHAM COUNTY...

At 557 PM MDT, a severe thunderstorm was located over Moreland, or
near Blackfoot, moving east at 25 MPH.

HAZARD...60 mph wind gusts and pea size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Blackfoot, Rockford, Moreland, Rose, Fort Hall Eagle Lodge, Pingree
and Groveland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4315 11271 4338 11257 4332 11226 4304 11241
TIME...MOT...LOC 2357Z 289DEG 21KT 4321 11244 

HAIL...<.75IN
WIND...60MPH
 
$$

KSmith
298 
WWUS55 KPIH 060008
SVSPIH

Severe Weather Statement
National Weather Service Pocatello ID
608 PM MDT Mon Jul 5 2021

IDC011-060018-
/O.EXP.KPIH.SV.W.0006.000000T0000Z-210706T0015Z/
Bingham ID-
608 PM MDT Mon Jul 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BINGHAM COUNTY
WILL EXPIRE AT 615 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty 
winds of 35 to 45 MPH are still possible with this thunderstorm.

LAT...LON 4315 11271 4338 11257 4332 11226 4304 11241
TIME...MOT...LOC 0008Z 289DEG 21KT 4319 11236 

$$

KSmith

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 7:48 PM MDTSpecial Weather StatementPIHLincoln, Minidoka42 min
Jul 4, 8:38 PM MDTSpecial Weather StatementPIHMinidoka, Power37 min
Jul 5, 2:02 AM MDTRed Flag WarningPIHBannock, Bear Lake, Bonneville, Butte, Caribou, Clark and 8 more19 hr
Jul 5, 12:44 PM MDTSpecial Weather StatementPIHBonneville61 min
Jul 5, 2:02 PM MDTExcessive Heat WarningPIHBlaine, Cassia, Lincoln, Minidoka, Power58 hr
Jul 5, 2:02 PM MDTHeat AdvisoryPIHBannock, Bingham, Bonneville, Butte, Caribou, Cassia and 6 more3 days
Jul 5, 3:03 PM MDTSpecial Weather StatementPIHBear Lake72 min
Jul 5, 3:12 PM MDTAreal Flood AdvisoryPIHBannock2 hr
Jul 5, 3:27 PM MDTSpecial Weather StatementPIHFranklin48 min
Jul 5, 3:29 PM MDTAreal Flood AdvisoryPIHFranklin2 hr
Jul 5, 3:56 PM MDTSpecial Weather StatementPIHButte49 min
Jul 5, 5:03 PM MDTSpecial Weather StatementPIHBingham42 min
Jul 5, 5:33 PM MDTSpecial Weather StatementPIHBingham, Power42 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.