Alert archive / Montana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 2, NWS Billings, MT

May 26, 2019Carter County, Montana

NWS Billings, MT issued this severe thunderstorm warning at May 26, 2019, 3:31 PM MDT for Carter County, Montana. It was in force for 44 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: May 26, 2019, 3:31 PM MDT (21:31 UTC)
Expired: May 26, 2019, 4:15 PM MDT
In force: 44 min
Issued by: NWS Billings, MT
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Carter County, MT

The radar

The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 21:30 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

Rapid City, SD (KRAP), launched 12:00Z, 9.5 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1727 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 204 m²/s²
0-3 km storm-relative helicity: 282 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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at May 26, 3:09 PM MDT, 22 minutes earlier.

Area forecast discussion, May 26, 3:09 PM MDT, 22 minutes before

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Hazardous weather outlook, May 26, 5:28 AM MDT, 10 hours 3 minutes before

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In the hours before

Local storm report, May 26, 12:08 PM MDT, 3 hours 23 minutes before

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Special weather statement, May 26, 1:59 PM MDT, 1 hour 32 minutes before

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Local storm report, May 26, 2:31 PM MDT, 1 hour before

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Special weather statement, May 26, 2:57 PM MDT, 34 minutes before

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Special weather statement, May 26, 3:24 PM MDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 3:15 AM MDT	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	10 hr
May 26, 1:08 PM MDT	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	46 hr
May 26, 1:59 PM MDT	Special Weather Statement	BYZ	Stillwater, Sweet Grass	46 min
May 26, 2:57 PM MDT	Special Weather Statement	BYZ	Golden Valley, Stillwater, Sweet Grass, Wheatland	33 min
May 26, 3:24 PM MDT	Special Weather Statement	BYZ	Carter	51 min
May 26, 3:50 PM MDT	Special Weather Statement	BYZ	Golden Valley, Stillwater, Sweet Grass, Wheatland	55 min
May 26, 3:53 PM MDT	Special Weather Statement	BYZ	Carbon	52 min
May 26, 4:09 PM MDT	Severe Thunderstorm Warning	BYZ	Carbon, Stillwater	66 min
May 26, 4:12 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	37 min
May 26, 4:23 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Stillwater	52 min
May 26, 4:37 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	53 min
May 26, 4:58 PM MDT	Special Weather Statement	BYZ	Powder River	62 min
May 26, 5:22 PM MDT	Special Weather Statement	BYZ	Golden Valley, Stillwater, Wheatland	38 min

Nearby

Severe Thunderstorm Warnings in Montana, 2019 Every severe thunderstorm warning in 2019

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.