Alert archive / Idaho / Red Flag Warnings in 2024

Red Flag Warning 12, NWS Pocatello, ID

July 26, 202424 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Jul 26, 2024, 2:29 PM MDT for 24 counties in Idaho. It took effect at Jul 27, 2024, 6:00 AM MDT. It was in force for 16 hr. 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 26, 2024, 2:29 PM MDT (20:29 UTC)
In effect from
Jul 27, 2024, 6:00 AM MDT
Expired
Jul 27, 2024, 10:00 PM MDT
In force
16 hr
Issued by
NWS Pocatello, ID
All 24 counties

Bannock County, ID, Bear Lake County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Caribou County, ID, Cassia County, ID, Clark County, ID, Custer County, ID, Franklin County, ID, Fremont County, ID, Idaho County, ID, Jefferson County, ID, Jerome County, ID, Lemhi County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Teton County, ID, Twin Falls County, ID, Valley County, ID

The radar

The Pocatello radar (KSFX), 41 km from the middle of the area, began a volume at 20:30 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, 8.5 hours before the alert went out and 304 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 2024-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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, Salt Lake City I, UT at 12:00Z on 2024-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
4 J/kg
Mixed-layer CIN
-210 J/kg
Mixed-layer LCL
1562 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
-12 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 red flag 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 red flag warning went out at Jul 26, 1:54 AM MDT, 12 hours 35 minutes earlier.

Area forecast discussion, Jul 26, 1:54 AM MDT, 12 hours 35 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 6:01 PM MDTSpecial Weather StatementPIHBingham29 min
Jul 25, 6:11 PM MDTSpecial Weather StatementPIHBlaine34 min
Jul 25, 6:32 PM MDTSpecial Weather StatementPIHBannock28 min
Jul 25, 6:35 PM MDTSpecial Weather StatementPIHBingham, Butte, Jefferson40 min
Jul 25, 6:44 PM MDTSpecial Weather StatementPIHBannock, Oneida46 min
Jul 25, 7:30 PM MDTSpecial Weather StatementPIHBear Lake, Caribou, Franklin60 min
Jul 26, 3:46 PM MDTSpecial Weather StatementPIHCaribou44 min
Jul 26, 4:24 PM MDTSpecial Weather StatementPIHBonneville51 min
Jul 26, 4:58 PM MDTSpecial Weather StatementPIHCaribou47 min
Jul 26, 5:08 PM MDTSevere Thunderstorm WarningPIHBonneville, Caribou26 min

Nearby

Red Flag Warnings in Idaho, 2024Every red flag 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.