Alert archive / Montana / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 76, NWS Great Falls, MT

July 28, 2013Blaine County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 28, 2013, 4:25 PM MDT for Blaine County, Montana. It was in force for 65 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
Jul 28, 2013, 4:25 PM MDT (22:25 UTC)
Expired
Jul 28, 2013, 5:30 PM MDT
In force
65 min
Issued by
NWS Great Falls, MT
Area
Storm-based polygon

County Blaine County, MT

The radar

The Glasgow radar (KGGW), 174 km from the middle of the area, began a volume at 22:27 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.

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 Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 2:40 PM MDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 28, 2:40 PM MDT, 1 hour 45 minutes before
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Hazardous weather outlook, Jul 28, 4:47 AM MDT, 11 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
447 AM MDT SUN JUL 28 2013

MTZ008>015-044>055-291100-
BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-
CASCADE-CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-
TOOLE-LIBERTY-EASTERN PONDERA-BLAINE-
SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-JUDITH BASIN-FERGUS-
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
447 AM MDT SUN JUL 28 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP IN SOUTHWEST MONTANA AND
ALONG THE ROCKY MOUNTAIN FRONT THIS AFTERNOON AND SPREAD INTO
CENTRAL MONTANA THIS EVENING. WIND GUSTS AROUND 40 TO 45 MPH AND
SMALL HAIL WILL BE POSSIBLE WITH SOME OF THE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SIGNIFICANT SHIFT TO COOLER AND WETTER CONDITIONS IS EXPECTED
FOR THE LATTER HALF OF THIS WEEK AS A PACIFIC WEATHER SYSTEM
BRINGS IN WIDESPREAD MOISTURE...RESULTING IN SEVERAL PERIODS OF
SHOWERS AND THUNDERSTORMS FROM WEDNESDAY EVENING THROUGH FRIDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 28, 3:31 PM MDT, 54 minutes before
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Special weather statement, Jul 28, 3:48 PM MDT, 37 minutes before
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Local storm report, Jul 28, 3:56 PM MDT, 29 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 12:25 AM MDTSpecial Weather StatementTFXBlaine50 min
Jul 28, 1:09 AM MDTSpecial Weather StatementTFXChouteau51 min
Jul 28, 1:27 AM MDTSpecial Weather StatementTFXBlaine33 min
Jul 28, 3:31 PM MDTSpecial Weather StatementTFXBlaine59 min
Jul 28, 3:44 PM MDTSevere Thunderstorm WarningTFXBlaine61 min
Jul 28, 3:48 PM MDTSpecial Weather StatementTFXGlacier57 min
Jul 28, 4:30 PM MDTSpecial Weather StatementTFXGlacier45 min
Jul 28, 5:18 PM MDTSpecial Weather StatementTFXToole42 min

Nearby

Severe Thunderstorm Warnings in Montana, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.