Alert archive / Montana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 9, NWS Glasgow, MT

June 19, 2022Daniels County, Valley County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 19, 2022, 1:37 AM MDT for Daniels County, Valley County, Montana. It was in force for 38 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 19, 2022, 1:37 AM MDT (07:37 UTC)
Expired
Jun 19, 2022, 2:15 AM MDT
In force
38 min
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.5 in
Wind
70.0 mph

Counties Daniels County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 56 km from the middle of the area, began a volume at 07:40 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

Great_falls, MT (KTFX), launched 00:00Z, 7.6 hours before the alert went out and 356 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, Great_falls, MT at 00:00Z on 2022-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 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, Great_falls, MT at 00:00Z on 2022-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897117Sfc1 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
341 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1256 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
473 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

Everything else NWS Glasgow, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 7:34 PM MDTSpecial Weather StatementGGW26 min
Jun 18, 7:47 PM MDTSevere Thunderstorm WarningGGWPhillips58 min
Jun 18, 9:22 PM MDTSpecial Weather StatementGGW38 min
Jun 18, 10:01 PM MDTSpecial Weather StatementGGWPetroleum59 min
Jun 18, 10:15 PM MDTSpecial Weather StatementGGW30 min
Jun 18, 10:41 PM MDTSevere Thunderstorm WarningGGWPhillips, Valley48 min
Jun 18, 10:51 PM MDTSpecial Weather StatementGGWPhillips24 min
Jun 18, 11:36 PM MDTSevere Thunderstorm Warning Considerable damage threatGGWPhillips, Valley54 min
Jun 19, 12:07 AM MDTSevere Thunderstorm Warning Considerable damage threatGGWPhillips, Valley53 min
Jun 19, 12:52 AM MDTSpecial Weather StatementGGWPetroleum38 min
Jun 19, 12:56 AM MDTSpecial Weather StatementGGWValley64 min
Jun 19, 3:12 AM MDTSpecial Weather StatementGGWPetroleum63 min
Jun 19, 4:11 AM MDTSevere Thunderstorm Warning Considerable damage threatGGWGarfield, Petroleum, Phillips64 min
Jun 19, 4:57 AM MDTSevere Thunderstorm Warning Considerable damage threatGGWGarfield, Phillips, Valley63 min
Jun 19, 6:58 AM MDTSpecial Weather StatementGGWValley62 min
Jun 19, 8:28 AM MDTSpecial Weather StatementGGWGarfield62 min
Jun 19, 9:03 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley11 hr
Jun 19, 9:29 AM MDTSpecial Weather StatementGGW61 min

Nearby

Severe Thunderstorm Warnings in Montana, 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.