Alert archive / Idaho / Mesoscale Discussions in 2024

Mesoscale Discussion 182

March 2, 20249 counties in Idaho; Cache County, Rich County, Utah; 4 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2024, 10:26 AM MST for 9 counties in Idaho; Cache County, Rich County, Utah; 4 counties in Wyoming. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 2, 2024, 10:26 AM MST (17:26 UTC)
Expired
Mar 2, 2024, 2:30 PM MST
In force
4 hr
Issued by
the Storm Prediction Center
Concerning
Snow squall

Counties Bannock County, ID, Bear Lake County, ID, Bonneville County, ID, Caribou County, ID, Franklin County, ID, Fremont County, ID, Madison County, ID, Oneida County, ID, Teton County, ID, Cache County, UT, Rich County, UT, Lincoln County, WY, Park County, WY, Sublette County, WY, Teton County, WY

The radar

The Pocatello radar (KSFX), 132 km from the middle of the area, began a volume at 17:29 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, 5.4 hours before the alert went out and 271 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 2024-03-02Temperature 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 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 2024-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 321 square meters per square second.1939587897117136Sfc1 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
2392 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
321 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 10:55 AM MSTMesoscale DiscussionSPCTooele3 hr

Nearby

Mesoscale Discussions in Idaho, 2024Mesoscale Discussions in Wyoming, 2024Mesoscale Discussions in Utah, 2024Every mesoscale discussion 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.