Alert archive / Montana / Special Weather Statements in 2011

Special Weather Statement, NWS Missoula, MT

June 29, 2011Granite County, Montana

NWS Missoula, MT issued this special weather statement at Jun 29, 2011, 2:45 PM MDT for Granite County, Montana. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 29, 2011, 2:45 PM MDT (20:45 UTC)
Expired
Jun 29, 2011, 3:30 PM MDT
In force
45 min
Issued by
NWS Missoula, MT

County Granite County, MT

The radar

The Missoula radar (KMSX), 86 km from the middle of the area, began a volume at 20:46 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 text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this special weather statement went out at Jun 29, 2:34 PM MDT, 11 minutes earlier.

Area forecast discussion, Jun 29, 2:34 PM MDT, 11 minutes before
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Hazardous weather outlook, Jun 29, 3:41 AM MDT, 11 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
341 AM MDT WED JUN 29 2011

IDZ006-MTZ005>007-043-292145-
SOUTHERN CLEARWATER MOUNTAINS-MISSOULA/BITTERROOT VALLEYS-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
341 AM MDT WED JUN 29 2011 /241 AM PDT WED JUN 29 2011/

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL DEVELOP BY EARLY AFTERNOON WITH THE
POTENTIAL FOR LARGE HAIL AND DAMAGING WINDS. PERSONS WITH OUTDOOR
ACTIVITIES SHOULD KEEP AN EYE TO THE SKY AND STAY ALERT TO LATER
FORECASTS FOR POTENTIAL SEVERE WEATHER HEADLINES THROUGHOUT THE
DAY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

CONTINUED RISES IN SMALL STREAMS ARE EXPECTED AS THE TEMPERATURES
REBOUND THIS WEEKEND INTO NEXT WEEK. THIS WILL LEAD TO RISING
RIVER FLOWS (BOTH SMALL STREAM AND MAIN STEM RIVERS) THROUGH THE
WEEK INTO THIS WEEKEND ACROSS ALL OF WESTERN MONTANA AND CENTRAL
IDAHO. SOME OF THESE RIVERS AND STREAMS MAY BECOME A CONCERN BY
LATER IN THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

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

IDZ009-292145-
WESTERN LEMHI COUNTY-
341 AM MDT WED JUN 29 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO.

FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO
TO WEATHER.GOV/MISSOULA.

.DAY ONE...TODAY AND TONIGHT

UNSTABLE CONDITIONS WILL ALLOW STRONG WINDS ALOFT TO MIX TO THE
SURFACE ACROSS PORTIONS OF EASTERN LEMHI COUNTY. A WIND ADVISORY
HAS BEEN ISSUED TO ACCOUNT FOR THESE WINDS.
IN ADDITION...SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON
AND EVENING AND MAY PRODUCE HAIL IN COMBINATION WITH THE WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

CONTINUED RISES IN SMALL STREAMS ARE EXPECTED AS THE TEMPERATURES
REBOUND THIS WEEKEND INTO NEXT WEEK. THIS WILL LEAD TO RISING
RIVER FLOWS (BOTH SMALL STREAM AND MAIN STEM RIVERS) THROUGH THE
WEEK INTO THIS WEEKEND ACROSS LEMHI COUNTY IDAHO. SOME OF THESE
RIVERS AND STREAMS MAY BECOME A CONCERN BY LATER IN THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jun 29, 1:49 PM MDT, 56 minutes before
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Special weather statement, Jun 29, 2:45 PM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 12:04 PM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders6 hr
Jun 29, 1:49 PM MDTSpecial Weather StatementMSOSilver Bow26 min
Jun 29, 2:48 PM MDTSpecial Weather StatementMSOMissoula42 min
Jun 29, 3:21 AM MDTWind AdvisoryMSOLemhi18 hr
Jun 29, 8:40 AM MDTAreal Flood WarningMSOLemhi21 hr

Nearby

Special Weather Statements in Montana, 2011Every special weather statement 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.