Alert archive / Idaho / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 9, NWS Pocatello, ID

June 26, 2024Cassia County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jun 26, 2024, 3:59 PM MDT for Cassia County, Idaho. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 26, 2024, 3:59 PM MDT (21:59 UTC)
Expired
Jun 26, 2024, 4:30 PM MDT
In force
31 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

County Cassia County, ID

The radar

The Pocatello radar (KSFX), 118 km from the middle of the area, began a volume at 22:00 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.0 hours before the alert went out and 255 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, Boise Airport, ID at 12:00Z on 2024-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2024-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3130 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pocatello, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 3:51 PM MDT, 8 minutes earlier.

Area forecast discussion, Jun 26, 3:51 PM MDT, 8 minutes before
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In the hours before

Special weather statement, Jun 26, 2:19 PM MDT, 1 hour 40 minutes before
Special Weather Statement
National Weather Service Pocatello ID
219 PM MDT Wed Jun 26 2024

IDZ056-057-262045-
Raft River Region ID-Southern Hills/Albion Mountains ID-
219 PM MDT Wed Jun 26 2024

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL CASSIA COUNTY
THROUGH 245 PM MDT...

At 219 PM MDT, Doppler radar was tracking a strong thunderstorm over
Elba, or 10 miles west of Malta, moving northeast at 30 mph.

HAZARD...Wind gusts in excess of 45 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Malta, Elba, Mt Harrison, and Idahome.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4216 11360 4233 11370 4253 11328 4228 11312
TIME...MOT...LOC 2019Z 244DEG 24KT 4228 11357

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...45 MPH

DMH
Special weather statement, Jun 26, 2:44 PM MDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Pocatello ID
244 PM MDT Wed Jun 26 2024

IDZ055>057-262115-
Eastern Magic Valley ID-Raft River Region ID-
Southern Hills/Albion Mountains ID-
244 PM MDT Wed Jun 26 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN POWER AND EAST
CENTRAL CASSIA COUNTIES THROUGH 315 PM MDT...

At 243 PM MDT, Doppler radar was tracking a strong thunderstorm near
Malta, moving northeast at 30 mph.

HAZARD...Wind gusts in excess of 45 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Malta and Idahome.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4225 11341 4242 11351 4263 11304 4238 11289
TIME...MOT...LOC 2043Z 244DEG 28KT 4237 11337

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...45 MPH

AMM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:00 AM MDTHigh Wind WatchPIHBingham, Bonneville, Butte, Clark, Fremont, Jefferson and 1 more10 hr
Jun 26, 12:33 PM MDTWind AdvisoryPIHBannock, Bingham, Bonneville, Butte, Clark, Fremont and 3 more32 hr
Jun 26, 2:19 PM MDTSpecial Weather StatementPIHCassia26 min
Jun 26, 2:44 PM MDTSpecial Weather StatementPIHCassia31 min
Jun 26, 4:29 PM MDTSpecial Weather StatementPIHCaribou46 min
Jun 26, 4:29 PM MDTSevere Thunderstorm Warning Considerable damage threatPIHCassia31 min
Jun 26, 4:35 PM MDTSevere Thunderstorm WarningPIHBlaine, Lincoln55 min
Jun 26, 4:46 PM MDTSpecial Weather StatementPIHCuster44 min
Jun 26, 4:59 PM MDTSpecial Weather StatementPIHCassia31 min
Jun 26, 5:14 PM MDTSpecial Weather StatementPIHCaribou46 min
Jun 26, 5:28 PM MDTSpecial Weather StatementPIHLincoln62 min
Jun 26, 5:29 PM MDTSpecial Weather StatementPIHCassia31 min
Jun 26, 5:30 PM MDTSpecial Weather StatementPIHCuster60 min
Jun 26, 5:48 PM MDTSpecial Weather StatementPIHCuster57 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2024Every severe thunderstorm warning in 2024

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.