Alert archive / Montana / High Wind Watches in 2011
High Wind Watch 8, NWS Glasgow, MT
NWS Glasgow, MT issued this high wind watch at Dec 28, 2011, 3:38 AM MST for 10 counties in Montana. It took effect at Dec 29, 2011, 9:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 28, 2011, 3:38 AM MST (10:38 UTC)
- In effect from
- Dec 29, 2011, 9:00 AM MST
- Expired
- Dec 29, 2011, 4:05 AM MST
- In force
- Issued by
- NWS Glasgow, MT
Counties Dawson County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Valley County, MT, Wibaux County, MT
The radar
The Glasgow radar (KGGW), 85 km from the middle of the area, began a volume at 10:42 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
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 10.6 hours before the alert went out and 85 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
- 1793 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 297 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch 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 high wind watch went out at Dec 27, 9:04 PM MST, 6 hours 34 minutes earlier.
Area forecast discussion, Dec 27, 9:04 PM MST, 6 hours 34 minutes before
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</html>Hazardous weather outlook, Dec 27, 3:30 PM MST, 12 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 330 PM MST TUE DEC 27 2011 MTZ016>020-022>027-059-061-062-282230- CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- DANIELS-SHERIDAN-WESTERN ROOSEVELT-GARFIELD-MCCONE-RICHLAND- DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-NORTHERN VALLEY- EASTERN ROOSEVELT- 330 PM MST TUE DEC 27 2011 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...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE OF LIGHT FREEZING RAIN WEDNESDAY MORNING...ESPECIALLY IN THE LOWER ELEVATIONS. PERSONS GOING OUTSIDE OR PLANNING DRIVING SHOULD BEWARE OF THE POSSIBILITY OF VERY SLIPPERY CONDITIONS ON ANY PAVEMENT. IT WILL BE WINDY FOR MOST OF THE AREA WEDNESDAY AFTERNOON. SOME LOCATIONS MAY HAVE SPEEDS OF WEST 25 TO 35 MPH...WITH GUSTS TO AS HIGHS 50 MPH. EXPECT THURSDAY TO BE WINDY AS WELL...BUT LESS THAN WEDNESDAY. THERE IS ANOTHER POTENTIAL FOR A MAJOR WINDSTORM AGAIN SATURDAY .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ021-060-282230- PETROLEUM-SOUTHWEST PHILLIPS- 330 PM MST TUE DEC 27 2011 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...WEDNESDAY THROUGH MONDAY THERE IS A HIGH WIND WATCH FROM 7 AM THROUGH 6 PM WEDNESDAY. WEST WINDS 40 TO 50 MPH...WITH GUSTS AS HIGH AS 70 MPH ARE POSSIBLE. EXPECT THURSDAY TO BE WINDY AS WELL...BUT LESS THAN WEDNESDAY. THERE IS POTENTIAL FOR ANOTHER WINDSTOR SATURDAY. .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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 3:38 AM MST | High Wind Warning | GGW | Phillips | 14 hr |
Nearby
High Wind Watches in Montana, 2011Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.