Alert archive / Montana / Blizzard Warnings in 2009
Blizzard Warning 3, NWS Glasgow, MT
NWS Glasgow, MT issued this blizzard warning at Mar 29, 2009, 2:40 AM MDT for Dawson County, Prairie County, Wibaux County, Montana. It took effect at Mar 29, 2009, 12:00 PM MDT. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 29, 2009, 2:40 AM MDT (08:40 UTC)
- In effect from
- Mar 29, 2009, 12:00 PM MDT
- Expired
- Mar 30, 2009, 12:00 PM MDT
- In force
- 24 hr
- Issued by
- NWS Glasgow, MT
Counties Dawson County, MT, Prairie County, MT, Wibaux County, MT
The radar
The Glasgow radar (KGGW), 187 km from the middle of the area, began a volume at 08:41 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 8.7 hours before the alert went out and 316 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this blizzard 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 blizzard warning went out at Mar 28, 9:21 PM MDT, 5 hours 19 minutes earlier.
Area forecast discussion, Mar 28, 9:21 PM MDT, 5 hours 19 minutes before
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</html>Hazardous weather outlook, Mar 28, 3:33 PM MDT, 11 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 333 PM MDT SAT MAR 28 2009 MTZ016-017-020-023-024-059-060-291200- CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- WESTERN ROOSEVELT-MCCONE-RICHLAND-NORTHERN PHILLIPS- SOUTHWEST PHILLIPS- 333 PM MDT SAT MAR 28 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG WINTER STORM WILL IMPACT NORTHEAST MONTANA SUNDAY AND INTO MONDAY. THE STORM TRACK WILL BRING ACCUMULATING SNOW OVER MOST OF EASTERN MONTANA...INCLUDING AREAS OF HEAVY SNOW MAINLY SOUTH OF THE MISSOURI RIVER. THE HEAVIEST SNOW IS EXPECTED TO OCCUR SUNDAY WITH AN ACCUMULATION OF 2 TO 4 INCHES. STRONG WINDS ARE ALSO EXPECTED WITH THIS STORM...IN THE RANGE OF 20 TO 40 MPH WITH GUSTS TO 50 MPH. THIS COULD CAUSE AREAS OF BLOWING AND DRIFTING SNOW WITH REDUCED VISIBILITIES AND NEAR WHITEOUT CONDITIONS. THIS COULD MAKE ANY TRAVEL HAZARDOUS SUNDAY THROUGH MONDAY MORNING. THEREFORE A WINTER WEATHER ADVISORY HAS BEEN ISSUED FOR SUNDAY. OTHER SPRING STORM SYSTEMS MAY AFFECT THE AREA MIDWEEK THEN AGAIN INTO NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ018-019-061-062-291200- DANIELS-SHERIDAN-NORTHERN VALLEY-EASTERN ROOSEVELT- 333 PM MDT SAT MAR 28 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG WINTER STORM WILL IMPACT NORTHEAST MONTANA SUNDAY AND INTO MONDAY. HOWEVER THE STORM TRACK HAS SHIFTED TO THE SOUTH AND IS NOT EXPECTED TO IMPACT THE NORTHERN ZONES. OTHER SPRING STORM SYSTEMS MAY AFFECT THE AREA MIDWEEK AND NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ021-022-025>027-291200- PETROLEUM-GARFIELD-DAWSON-PRAIRIE-WIBAUX- 333 PM MDT SAT MAR 28 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG WINTER STORM WILL IMPACT NORTHEAST MONTANA SUNDAY AND INTO MONDAY. THE STORM TRACK WILL BRING ACCUMULATING SNOW OVER MOST OF EASTERN MONTANA...INCLUDING AREAS OF HEAVY SNOW MAINLY SOUTH OF THE MISSOURI RIVER. THE HEAVIEST SNOW IS EXPECTED TO OCCUR SUNDAY NIGHT WITH ACCUMULATION OF AROUND 7 INCHES. STRONG WINDS ARE ALSO EXPECTED WITH THIS STORM...IN THE RANGE OF 20 TO 40 MPH WITH GUSTS TO 50 MPH. THIS COULD CAUSE AREAS OF BLOWING AND DRIFTING SNOW WITH REDUCED VISIBILITIES AND NEAR WHITEOUT CONDITIONS. THIS COULD MAKE ANY TRAVEL HAZARDOUS SUNDAY THROUGH MONDAY MORNING. THEREFORE A WINTER STORM WARNING HAS BEEN ISSUED FOR SUNDAY. OTHER SPRING STORM SYSTEMS MAY AFFECT THE AREA MIDWEEK THEN AGAIN INTO NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
Nearby
Blizzard Warnings in Montana, 2009Every blizzard warning in 2009
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.