Alert archive / Idaho / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 19, NWS Pocatello, ID

July 13, 20225 counties in Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jul 13, 2022, 3:05 PM MDT for 5 counties in Idaho. It was in force for 25 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
Jul 13, 2022, 3:05 PM MDT (21:05 UTC)
Expired
Jul 13, 2022, 3:30 PM MDT
In force
25 min
Issued by
NWS Pocatello, ID
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bingham County, ID, Blaine County, ID, Cassia County, ID, Oneida County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 50 km from the middle of the area, began a volume at 21:04 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

Elko, NV (KLKN), launched 12:00Z, 9.1 hours before the alert went out and 230 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, Elko, NV at 12:00Z on 2022-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 joules per kilogram.LCLLFCEL10008507005003002001001 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, Elko, NV at 12:00Z on 2022-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
56 J/kg
Mixed-layer CIN
-489 J/kg
Mixed-layer LCL
4766 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
142 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 Jul 13, 3:51 AM MDT, 11 hours 14 minutes earlier.

Area forecast discussion, Jul 13, 3:51 AM MDT, 11 hours 14 minutes before
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In the hours before

Special weather statement, Jul 13, 2:44 PM MDT, 21 minutes before
Special Weather Statement
National Weather Service Pocatello ID
244 PM MDT Wed Jul 13 2022

IDZ054-055-058-132115-
Eastern Magic Valley ID-Marsh and Arbon Highlands ID-
Lower Snake River Plain ID-
244 PM MDT Wed Jul 13 2022

...A strong thunderstorm will impact portions of northwestern
Bannock, central Power and southwestern Bingham Counties through 315
PM MDT...

At 244 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Neeley, moving northeast at 55 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
American Falls, Neeley, American Falls Reservoir, Aberdeen,
Springfield, Pocatello Airport, Sterling and Massacre Rocks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

If on or near American Falls Reservoir, get out of the water and
move indoors or inside a vehicle. Remember, lightning can strike out
to 10 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 4266 11302 4282 11321 4316 11275 4288 11247
TIME...MOT...LOC 2044Z 235DEG 47KT 4279 11300

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

DMH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 2:16 AM MDTRed Flag WarningPIHCassia, Twin Falls19 hr
Jul 13, 2:44 PM MDTSpecial Weather StatementPIHPower31 min
Jul 13, 3:32 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Power28 min
Jul 13, 3:42 PM MDTSpecial Weather StatementPIHBingham33 min
Jul 13, 3:55 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Power35 min
Jul 13, 4:00 PM MDTSpecial Weather StatementPIHButte45 min
Jul 13, 4:15 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham30 min
Jul 13, 4:45 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou45 min
Jul 13, 5:35 PM MDTSpecial Weather StatementPIHTeton25 min
Jul 13, 5:51 PM MDTSpecial Weather StatementPIHFremont39 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2022Every severe thunderstorm warning in 2022

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.