Alert archive / Montana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 60, NWS Glasgow, MT

July 8, 2011Richland County, Roosevelt County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jul 8, 2011, 10:57 PM MDT for Richland County, Roosevelt County, Montana. It was in force for 48 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 8, 2011, 10:57 PM MDT (04:57 UTC)
Expired
Jul 8, 2011, 11:45 PM MDT
In force
48 min
Issued by
NWS Glasgow, MT
Area
Storm-based polygon

Counties Richland County, MT, Roosevelt County, MT

The radar

The Glasgow radar (KGGW), 138 km from the middle of the area, began a volume at 04:58 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 2:18 PM MDT, 8 hours 39 minutes earlier.

Area forecast discussion, Jul 8, 2:18 PM MDT, 8 hours 39 minutes before
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Hazardous weather outlook, Jul 8, 3:25 AM MDT, 19 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
325 AM MDT FRI JUL 8 2011

MTZ024>027-090900-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-
325 AM MDT FRI JUL 8 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT MOVING OVER THE AREA TODAY WILL BRING THUNDERSTORMS
AND RAIN SHOWERS...SOMETIMES HEAVY. SOME THUNDERSTORMS MAY BECOME
SEVERE IN THE AFTERNOON WITH LARGE HAIL AND DAMAGING WINDS
POSSIBLE.

THE YELLOWSTONE RIVER WILL CONTINUE TO RUN HIGH FOR THE NEXT FEW
DAYS. THE RIVER LEVEL AT GLENDIVE WILL RUN STEADY AT 1 TO 2 FEET
BELOW FLOOD STAGE THROUGH THE WEEKEND.

RANCHERS AND WATER USERS MAY WANT TO TAKE PRECAUTIONS IF THE
HIGHER RIVER LEVELS AFFECT THEIR OPERATIONS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

MTZ018>020-062-090900-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-EASTERN ROOSEVELT-
325 AM MDT FRI JUL 8 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT MOVING OVER THE AREA TODAY WILL BRING THUNDERSTORMS
AND RAIN SHOWERS...SOME WITH HEAVY RAIN. SOME THUNDERSTORMS MAY BECOME
SEVERE WITH LARGE HAIL AND DAMAGING WINDS POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

MTZ016-017-021>023-059>061-090900-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
PETROLEUM-GARFIELD-MCCONE-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS-
NORTHERN VALLEY-
325 AM MDT FRI JUL 8 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT MOVING OVER THE AREA THIS MORNING WILL BRING
THUNDERSTORMS AND RAIN SHOWERS...SOME WITH HEAVY RAIN. A FEW
STORMS MAY BECOME SEVERE THIS MORNING WITH LARGE HAIL AND DAMAGING
WINDS POSSIBLE.

A LAKE WIND ADVISORY FOR FORT PECK LAKE HAS BEEN ISSUED TODAY FOR
NORTHWESTERLY WIND OF 15 TO 25 MPH THROUGH MID EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WESTERLY WIND BEHIND THE COLD FRONT WILL INCREASE SATURDAY TO 15
TO 25 MPH. THIS MAY REQUIRED A WIND ADVISORY FOR FORT PECK LAKE.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:16 PM MDTSevere Thunderstorm WarningGGWGarfield59 min
Jul 8, 8:15 PM MDTSevere Thunderstorm WarningGGWGarfield, McCone, Valley60 min
Jul 8, 8:41 PM MDTSpecial Weather StatementGGWValley49 min
Jul 8, 9:10 PM MDTSpecial Weather StatementGGWValley50 min
Jul 8, 9:49 PM MDTSevere Thunderstorm WarningGGWDaniels, Roosevelt41 min
Jul 8, 10:37 PM MDTSpecial Weather StatementGGWSheridan38 min
Jul 8, 10:42 PM MDTSpecial Weather StatementGGWRoosevelt48 min
Jul 8, 10:54 PM MDTSpecial Weather StatementGGWRichland51 min
Jul 8, 11:39 PM MDTSpecial Weather StatementGGWRichland36 min
Jul 9, 3:10 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley17 hr

Nearby

Severe Thunderstorm Warnings in Montana, 2011Every severe thunderstorm warning in 2011

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.