Alert archive / Montana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 37, NWS Glasgow, MT

June 11, 2016Daniels County, Roosevelt County, Valley County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 11, 2016, 1:37 AM MDT for Daniels County, Roosevelt County, Valley County, Montana. It was in force for 53 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 11, 2016, 1:37 AM MDT (07:37 UTC)
Expired
Jun 11, 2016, 2:30 AM MDT
In force
53 min
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Daniels County, MT, Roosevelt County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 72 km from the middle of the area, began a volume at 07:39 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 3:06 PM MDTSevere Thunderstorm WatchSPC11 hr

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 7.6 hours before the alert went out and 70 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, Glasgow Intl Airport, MT at 00:00Z on 2016-06-11Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 00:00Z on 2016-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939587897Sfc1 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
2605 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
133 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 9:51 PM MDT, 3 hours 46 minutes earlier.

Area forecast discussion, Jun 10, 9:51 PM MDT, 3 hours 46 minutes before
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Hazardous weather outlook, Jun 10, 3:29 AM MDT, 22 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
329 AM MDT FRI JUN 10 2016

MTZ016>027-059>062-110930-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT-
329 AM MDT FRI JUN 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE TONIGHT ACROSS NORTHEAST MONTANA. SOME
STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS.

A LAKE WIND ADVISORY IS IN EFFECT FOR THE EAST HALF OF FORT PECK
LAKE TONIGHT AND SATURDAY FOR EAST WINDS 15 TO 25 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED SATURDAY AFTERNOON AND
EVENING. SOME OF THESE STORMS WILL BECOME SEVERE WITH LARGE HAIL
AND DAMAGING WINDS. LOCALLY HEAVY RAIN IS ALSO POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 11, 12:06 AM MDT, 1 hour 31 minutes before
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Local storm report, Jun 11, 12:08 AM MDT, 1 hour 29 minutes before
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Local storm report, Jun 11, 12:10 AM MDT, 1 hour 27 minutes before
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Special weather statement, Jun 11, 12:12 AM MDT, 1 hour 25 minutes before
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Special weather statement, Jun 11, 12:20 AM MDT, 1 hour 17 minutes before
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Special weather statement, Jun 11, 1:17 AM MDT, 20 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 6:20 PM MDTSevere Thunderstorm WarningGGWPhillips55 min
Jun 10, 7:11 PM MDTSevere Thunderstorm WarningGGWPhillips64 min
Jun 10, 7:20 PM MDTSevere Thunderstorm WarningGGWGarfield, Petroleum, Phillips55 min
Jun 10, 8:19 PM MDTSpecial Weather StatementGGWGarfield56 min
Jun 10, 8:36 PM MDTSevere Thunderstorm WarningGGWGarfield, Petroleum, Phillips54 min
Jun 10, 9:00 PM MDTSpecial Weather StatementGGWMcCone60 min
Jun 10, 9:28 PM MDTSevere Thunderstorm WarningGGWGarfield, Petroleum, Phillips, Valley62 min
Jun 10, 9:50 PM MDTSevere Thunderstorm WarningGGWDawson, Garfield, McCone, Prairie, Richland55 min
Jun 10, 10:15 PM MDTSevere Thunderstorm WarningGGWPhillips30 min
Jun 10, 10:26 PM MDTSevere Thunderstorm WarningGGWGarfield, McCone, Prairie, Roosevelt, Valley64 min
Jun 10, 10:41 PM MDTSevere Thunderstorm WarningGGWDawson, McCone, Prairie64 min
Jun 10, 11:09 PM MDTSevere Thunderstorm WarningGGWPhillips, Valley66 min
Jun 10, 11:41 PM MDTSevere Thunderstorm WarningGGWDawson, Richland, Wibaux64 min
Jun 11, 12:12 AM MDTSpecial Weather StatementGGWValley48 min
Jun 11, 12:20 AM MDTSpecial Weather StatementGGWPhillips55 min
Jun 11, 1:17 AM MDTSpecial Weather StatementGGWValley58 min
Jun 11, 2:12 AM MDTSevere Thunderstorm WarningGGWDaniels, McCone, Roosevelt, Valley47 min
Jun 11, 8:55 AM MDTSpecial Weather StatementGGW65 min
Jun 11, 9:32 AM MDTSevere Thunderstorm WarningGGWDaniels, Valley43 min
Jun 11, 10:10 AM MDTSpecial Weather StatementGGWDaniels65 min
Jun 11, 11:15 AM MDTSpecial Weather StatementGGWSheridan60 min
Jun 11, 5:54 PM MDTSevere Thunderstorm WarningGGWDawson, Prairie66 min

Nearby

Severe Thunderstorm Warnings in Montana, 2016Every severe thunderstorm warning in 2016

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.