Alert archive / Montana / Winter Storm Warnings in 2011

Winter Storm Warning 2, NWS Glasgow, MT

February 6, 2011Petroleum County, Phillips County, Montana

NWS Glasgow, MT issued this winter storm warning at Feb 6, 2011, 3:21 PM MST for Petroleum County, Phillips County, Montana. It took effect at Feb 6, 2011, 11:00 PM MST. It was in force for 19 hr. 12 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 6, 2011, 3:21 PM MST (22:21 UTC)
In effect from
Feb 6, 2011, 11:00 PM MST
Expired
Feb 7, 2011, 5:45 PM MST
In force
19 hr
Issued by
NWS Glasgow, MT

Counties Petroleum County, MT, Phillips County, MT

The radar

The Glasgow radar (KGGW), 123 km from the middle of the area, began a volume at 22:19 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 was reported inside it

TimeReportWhereRemark
Feb 7, 8:12 AM MSTSNOW 3Zortman, MTSNOW STARTED SUNDAY NIGHT
Feb 7, 8:35 AM MSTSNOW 2Winnett, MTSOME DRIFTING. SNOW STARTED SUNDAY NIGHT.
Feb 7, 8:40 AM MSTSNOW 3Flatwillow, MTSNOW STARTED SUNDAY EVENING
Feb 7, 8:41 AM MSTSNOW 223 Sw Malta, MTGUSTS OF 30 TO 35 MPH. LOTS OF DRIFTING. SNOW STARTED SUNDAY NIGHT.
Feb 7, 8:45 AM MSTSNOW 320 E Winnett, MTSNOW STARTED SUNDAY NIGHT
Feb 7, 9:40 AM MSTSNOW 4Winnett, MTLOTS OF DRIFTING
Feb 7, 12:17 PM MSTSNOW 38 Sw Zortman, MTLOTS OF DRIFTING
Feb 7, 12:19 PM MSTSNOW 318 N Winnett, MTLOTS OF DRIFTING
Feb 7, 2:00 PM MSTHEAVY SNOW 6Zortman, MTSOME DRIFTING. SNOW STARTED SUNDAY NIGHT AND ENDED AROUND 2 PM TODAY.
Feb 7, 2:43 PM MSTSNOW 34 E Winnett, MTSOME DRIFTING
Feb 7, 2:59 PM MSTHEAVY SNOW 6Winnett, MTSNOW STILL FALLING. LOTS OF DRIFTING WITH LOW VISIBILITY.
Feb 7, 5:00 PM MSTSNOW 46 Ne Flatwillow, MTSTARTED LATE SUNDAY NIGHT. ENDED 4 PM TODAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 10.4 hours before the alert went out and 125 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.

Skew-T log-pSkew-T log-p diagram, Glasgow Intl Airport, MT at 12:00Z on 2011-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 12:00Z on 2011-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
792 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

217 
WWUS45 KGGW 062221
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
321 PM MST SUN FEB 6 2011

.A PACIFIC STORM SYSTEM MOVING IN FROM THE GULF OF ALASKA WILL
OVERSPREAD MOISTURE ON TOP OF AN ARCTIC BOUNDARY...BRINGING SNOW
TO THE AREA.

MTZ021-060-070630-
/O.UPG.KGGW.WS.A.0003.110207T0700Z-110208T0100Z/
/O.NEW.KGGW.WS.W.0002.110207T0600Z-110208T0600Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
321 PM MST SUN FEB 6 2011

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...BLOWING SNOW AND DRIFTING SNOW IN EFFECT
FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.


* MAIN IMPACT: HEAVY SNOW...WITH ACCUMULATIONS OF 8 TO 12 INCHES
  POSSIBLE. THE HEAVIEST SNOW IS EXPECTED TO BE ACROSS PETROLEUM
  COUNTY AND THE LITTLE ROCKIES IN SOUTH WEST PHILLIPS COUNTIES.

* TIMING: TONIGHT THROUGH MONDAY EVENING.

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL ALSO
  PRODUCE BLOWING AND DRIFTING SNOW 

* COLDER TEMPERATURES COMBINED WITH WIND WILL PRODUCE WIND CHILLS
  OF 15 TO 30 BELOW ON MONDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING AND SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ROADS CAN QUICKLY BECOME
DRIFTED IN...HINDERING LOW CLEARANCE VEHICLES. TRAVEL COULD BECOME
DANGEROUS. USE CAUTION WHILE DRIVING.

&&

$$

MTZ016-022-070630-
/O.UPG.KGGW.WS.A.0003.110207T0700Z-110208T0100Z/
/O.NEW.KGGW.WW.Y.0014.110207T0600Z-110208T0600Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
321 PM MST SUN FEB 6 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...BLOWING SNOW AND DRIFTING SNOW WHICH
IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

* MAIN IMPACT: HEAVY SNOW...WITH ACCUMULATIONS OF 4 TO 7 INCHES
  POSSIBLE. THE ACCUMULATING SNOW IS EXPECTED TO BE WEST OF JORDAN
  AND SOUTH OF MALTA.

* TIMING: TONIGHT THROUGH MONDAY EVENING

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL ALSO
  PRODUCE BLOWING AND DRIFTING SNOW 

* COLDER TEMPERATURES COMBINED WITH WIND WILL PRODUCE WIND CHILLS
  OF 15 TO 30 BELOW ON MONDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITY. ROADS CAN QUICKLY BECOME DRIFTED IN...HINDERING LOW
CLEARANCE VEHICLES. TRAVEL COULD BECOME DANGEROUS. USE CAUTION
WHILE DRIVING.

&&

$$

MTZ017>020-023>027-059-061-062-070630-
/O.NEW.KGGW.WC.Y.0012.110207T0600Z-110208T0000Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
NORTHERN VALLEY-EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...TERRY...
WIBAUX...WHITEWATER...OPHEIM...CULBERTSON
321 PM MST SUN FEB 6 2011

...WIND CHILL ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST
MONDAY. 

* MAIN IMPACT: EXTREMELY COLD TEMPERATURES COMBINED WITH EASTERLY
  WINDS OF 10 TO 20 MPH WILL PRODUCE WIND CHILLS OF 20 TO 40
  BELOW.

* TIMING: TONIGHT THROUGH MONDAY AFTERNOON.

* OTHER IMPACTS: EXTREME WIND CHILLS CAN CAUSE FROSTBITE ON
  EXPOSED SKIN WITHIN 10 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$
5 follow-up statements
108 
WWUS45 KGGW 070352
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
852 PM MST SUN FEB 6 2011

.A PACIFIC STORM SYSTEM MOVING IN FROM THE GULF OF ALASKA WILL
OVERSPREAD MOISTURE ON TOP OF AN ARCTIC BOUNDARY...BRINGING SNOW
TO THE AREA.

MTZ021-060-071200-
/O.CON.KGGW.WS.W.0002.110207T0600Z-110208T0600Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
852 PM MST SUN FEB 6 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY. 

* MAIN IMPACT: HEAVY SNOW...WITH ACCUMULATIONS OF 8 TO 12 INCHES 
  POSSIBLE. THE HEAVIEST SNOW IS EXPECTED TO BE ACROSS PETROLEUM 
  COUNTY AND THE LITTLE ROCKIES IN SOUTH WEST PHILLIPS COUNTIES. 

* TIMING: TONIGHT THROUGH MONDAY EVENING.

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL ALSO 
  PRODUCE BLOWING AND DRIFTING SNOW.

* COLDER TEMPERATURES COMBINED WITH WIND WILL PRODUCE WIND 
  CHILLS OF 15 TO 30 BELOW ON MONDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING AND SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ROADS CAN
QUICKLY BECOME DRIFTED IN...HINDERING LOW CLEARANCE VEHICLES.
TRAVEL COULD BECOME DANGEROUS. USE CAUTION WHILE DRIVING.

&&

$$

MTZ016-022-071200-
/O.CON.KGGW.WW.Y.0014.110207T0600Z-110208T0600Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
852 PM MST SUN FEB 6 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
MONDAY. 

* MAIN IMPACT: SNOW...WITH ACCUMULATIONS OF 4 TO 7 INCHES
  POSSIBLE. THE ACCUMULATING SNOW IS EXPECTED TO BE WEST OF JORDAN
  AND SOUTH OF MALTA.

* TIMING: TONIGHT THROUGH MONDAY EVENING

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL ALSO 
  PRODUCE BLOWING AND DRIFTING SNOW.

* COLDER TEMPERATURES COMBINED WITH WIND WILL PRODUCE WIND 
  CHILLS OF 15 TO 30 BELOW ON MONDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITY. ROADS CAN QUICKLY BECOME DRIFTED IN...HINDERING LOW
CLEARANCE VEHICLES. TRAVEL COULD BECOME DANGEROUS. USE CAUTION
WHILE DRIVING.

&&

$$

MTZ017>020-023>027-059-061-062-071200-
/O.CON.KGGW.WC.Y.0012.110207T0600Z-110208T0000Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
NORTHERN VALLEY-EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...TERRY...
WIBAUX...WHITEWATER...OPHEIM...CULBERTSON
852 PM MST SUN FEB 6 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

* MAIN IMPACT: EXTREMELY COLD TEMPERATURES COMBINED WITH 
  EASTERLY WINDS OF 10 TO 20 MPH WILL PRODUCE WIND CHILLS OF 20 
  TO 40 BELOW. 

* TIMING: TONIGHT THROUGH MONDAY AFTERNOON.

* OTHER IMPACTS: EXTREME WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 10 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$
807 
WWUS45 KGGW 071056
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
356 AM MST MON FEB 7 2011

.A PACIFIC STORM SYSTEM MOVING IN FROM THE GULF OF ALASKA WILL
OVERSPREAD MOISTURE ON TOP OF AN ARCTIC BOUNDARY...BRINGING SNOW
TO THE AREA.

MTZ021-060-071900-
/O.CON.KGGW.WS.W.0002.000000T0000Z-110208T0600Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
356 AM MST MON FEB 7 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 


* MAIN IMPACT: SNOW... WITH TOTAL ACCUMULATIONS OF 5 TO 8 INCHES
  LIKELY.

* TIMING: SNOW WILL CONTINUE THROUGH THIS EVENING.

* OTHER IMPACTS: EASTERLY WINDS OF 10 TO 20 MPH WILL GENERATE
  BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 BELOW WILL BE
  POSSIBLE DURING THE EVENING HOURS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING AND SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ROADS CAN
QUICKLY BECOME DRIFTED IN...HINDERING LOW CLEARANCE VEHICLES.
TRAVEL COULD BECOME DANGEROUS. USE CAUTION WHILE DRIVING.

&&

$$

MTZ016-022-071900-
/O.CON.KGGW.WW.Y.0014.000000T0000Z-110208T0600Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
356 AM MST MON FEB 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 


* MAIN IMPACT: SNOW...WITH TOTAL ACCUMULATIONS OF 2 TO 5 INCHES
  POSSIBLE.

* TIMING: SNOW WILL CONTINUE THROUGH THIS EVENING

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL GENERATE
  BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 BELOW WILL BE
  POSSIBLE THIS AFTERNOON AND EVENING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITY. ROADS CAN QUICKLY BECOME DRIFTED IN...HINDERING LOW
CLEARANCE VEHICLES. TRAVEL COULD BECOME DANGEROUS. USE CAUTION
WHILE DRIVING.

&&

$$

MTZ017>020-023>027-059-061-062-071900-
/O.CON.KGGW.WC.Y.0012.000000T0000Z-110208T0000Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
NORTHERN VALLEY-EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...TERRY...
WIBAUX...WHITEWATER...OPHEIM...CULBERTSON
356 AM MST MON FEB 7 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 


* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO.

* TIMING: WIND CHILLS WILL CONTINUE THROUGH THIS AFTERNOON.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON EXPOSED
  SKIN WITHIN 20 MINUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$
590 
WWUS45 KGGW 071717
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
1017 AM MST MON FEB 7 2011

.A PACIFIC STORM SYSTEM MOVING IN FROM THE GULF OF ALASKA WILL
OVERSPREAD MOISTURE ON TOP OF AN ARCTIC BOUNDARY...BRINGING SNOW
TO THE AREA.

MTZ021-060-080130-
/O.CON.KGGW.WS.W.0002.000000T0000Z-110208T0600Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
1017 AM MST MON FEB 7 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* MAIN IMPACT: SNOW... WITH TOTAL ACCUMULATIONS OF 7 TO 10 INCHES 
  LIKELY. 

* TIMING: SNOW WILL CONTINUE THROUGH THIS EVENING.

* OTHER IMPACTS: EASTERLY WINDS OF 10 TO 20 MPH WILL GENERATE 
  BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 BELOW 
  WILL BE POSSIBLE DURING THE EVENING HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING AND SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ROADS CAN
QUICKLY BECOME DRIFTED IN...HINDERING LOW CLEARANCE VEHICLES.
TRAVEL COULD BECOME DANGEROUS. USE CAUTION WHILE DRIVING.

&&

$$

MTZ016-022-080130-
/O.CON.KGGW.WW.Y.0014.000000T0000Z-110208T0600Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
1017 AM MST MON FEB 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* MAIN IMPACT: SNOW...WITH TOTAL ACCUMULATIONS OF 3 TO 5 INCHES 
  POSSIBLE. 

* TIMING: SNOW WILL CONTINUE THROUGH THIS EVENING

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL 
  GENERATE BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 
  BELOW WILL BE POSSIBLE THIS AFTERNOON AND EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITY. ROADS CAN QUICKLY BECOME DRIFTED IN...HINDERING LOW
CLEARANCE VEHICLES. TRAVEL COULD BECOME DANGEROUS. USE CAUTION
WHILE DRIVING.

&&

$$

MTZ017>020-023>027-059-061-062-080000-
/O.CON.KGGW.WC.Y.0012.000000T0000Z-110208T0000Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
NORTHERN VALLEY-EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...TERRY...
WIBAUX...WHITEWATER...OPHEIM...CULBERTSON
1017 AM MST MON FEB 7 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO.

* TIMING: WIND CHILLS WILL CONTINUE THROUGH THIS AFTERNOON.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 20 MINUTES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$
241 
WWUS45 KGGW 072157
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
257 PM MST MON FEB 7 2011

.A PACIFIC STORM SYSTEM MOVING IN FROM THE GULF OF ALASKA WILL
OVERSPREAD MOISTURE ON TOP OF AN ARCTIC BOUNDARY...BRINGING SNOW
TO THE AREA.

MTZ017>020-023>025-059-061-062-080600-
/O.NEW.KGGW.WC.W.0004.110208T0000Z-110208T1800Z/
/O.CON.KGGW.WC.Y.0012.000000T0000Z-110208T0000Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-NORTHERN PHILLIPS-NORTHERN VALLEY-
EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...
WHITEWATER...OPHEIM...CULBERTSON
257 PM MST MON FEB 7 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST TUESDAY. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO THIS
  EVENING WILL DROP TO NEAR 50 BELOW BY TUESDAY MORNING.

* TIMING: WIND CHILLS CONDITIONS WILL LAST THROUGH TUESDAY AFTERNOON.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 10 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

MTZ021-060-080600-
/O.CON.KGGW.WS.W.0002.000000T0000Z-110208T0600Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
257 PM MST MON FEB 7 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* MAIN IMPACT: SNOW... WITH TOTAL ACCUMULATIONS OF 6 TO 9 
  INCHES LIKELY. 

* TIMING: SNOW WILL DISSIPATE THIS EVENING.

* OTHER IMPACTS: EASTERLY WINDS OF 10 TO 20 MPH WILL GENERATE 
  BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 BELOW 
  WILL BE POSSIBLE DURING THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING AND SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ROADS CAN
QUICKLY BECOME DRIFTED IN...HINDERING LOW CLEARANCE VEHICLES.
TRAVEL COULD BECOME DANGEROUS. USE CAUTION WHILE DRIVING.

&&

$$

MTZ026-027-080600-
/O.EXT.KGGW.WC.Y.0012.000000T0000Z-110208T1800Z/
PRAIRIE-WIBAUX-
INCLUDING THE CITIES OF...TERRY...WIBAUX
257 PM MST MON FEB 7 2011

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST TUESDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 11 AM MST TUESDAY.

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO.

* TIMING: WIND CHILLS CONDITIONS WILL CONTINUE THROUGH TUESDAY
  MORNING.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 20 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

MTZ016-022-080600-
/O.CON.KGGW.WW.Y.0014.000000T0000Z-110208T0600Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
257 PM MST MON FEB 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* MAIN IMPACT: SNOW...WITH TOTAL ACCUMULATIONS OF 3 TO 5 INCHES 
  POSSIBLE. 

* TIMING: SNOW WILL DISSIPATE THIS EVENING

* OTHER IMPACTS: THE EASTERLY WINDS OF 10 TO 20 MPH WILL 
  GENERATE BLOWING AND DRIFTING SNOW. WIND CHILLS OF 15 TO 30 
  BELOW WILL BE POSSIBLE THIS AFTERNOON AND EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITY. ROADS CAN QUICKLY BECOME DRIFTED IN...HINDERING LOW
CLEARANCE VEHICLES. TRAVEL COULD BECOME DANGEROUS. USE CAUTION
WHILE DRIVING.

&&

$$
857 
WWUS45 KGGW 080045
WSWGGW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
545 PM MST MON FEB 7 2011

COLD ARCTIC HIGH PRESSURE WILL COMBINE WITH CLEAR SKIES TO PRODUCE
DANGEROUS WIND CHILL READINGS ACROSS THE REGION TONIGHT.

MTZ021-060-080600-
/O.CAN.KGGW.WS.W.0002.000000T0000Z-110208T0600Z/
/O.EXA.KGGW.WC.Y.0012.000000T0000Z-110208T1800Z/
PETROLEUM-SOUTHWEST PHILLIPS-
INCLUDING THE CITIES OF...WINNETT...ZORTMAN
545 PM MST MON FEB 7 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM MST TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST TUESDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED AS THE SNOWFALL HAS TAPERED OFF
THIS EVENING.

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO.

* TIMING: WIND CHILLS CONDITIONS WILL CONTINUE THROUGH TUESDAY 
  MORNING.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 20 MINUTES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

MTZ016-022-080600-
/O.CAN.KGGW.WW.Y.0014.000000T0000Z-110208T0600Z/
/O.EXA.KGGW.WC.W.0004.000000T0000Z-110208T1800Z/
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
INCLUDING THE CITIES OF...MALTA...SACO...JORDAN
545 PM MST MON FEB 7 2011

...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST TUESDAY. THE WINTER
WEATHER ADVISORY HAS BEEN CANCELLED AS SNOW HAS HAS TAPERED OFF
THIS EVENING.

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO THIS 
  EVENING WILL DROP TO NEAR 50 BELOW BY TUESDAY MORNING. 

* TIMING: WIND CHILLS CONDITIONS WILL LAST THROUGH TUESDAY
  AFTERNOON.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 10 MINUTES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

MTZ017>020-023>025-059-061-062-080600-
/O.CON.KGGW.WC.W.0004.000000T0000Z-110208T1800Z/
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-NORTHERN PHILLIPS-NORTHERN VALLEY-
EASTERN ROOSEVELT-
INCLUDING THE CITIES OF...GLASGOW...FORT PECK...HINSDALE...
FRAZER...SCOBEY...PLENTYWOOD...MEDICINE LAKE...WOLF POINT...
POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...
WHITEWATER...OPHEIM...CULBERTSON
545 PM MST MON FEB 7 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO THIS 
  EVENING WILL DROP TO NEAR 50 BELOW BY TUESDAY MORNING. 

* TIMING: WIND CHILLS CONDITIONS WILL LAST THROUGH TUESDAY
  AFTERNOON.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 10 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

MTZ026-027-080600-
/O.CON.KGGW.WC.Y.0012.000000T0000Z-110208T1800Z/
PRAIRIE-WIBAUX-
INCLUDING THE CITIES OF...TERRY...WIBAUX
545 PM MST MON FEB 7 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. 

* MAIN IMPACT: WIND CHILLS OF 20 BELOW TO 40 BELOW ZERO.

* TIMING: WIND CHILLS CONDITIONS WILL CONTINUE THROUGH TUESDAY 
  MORNING.

* OTHER IMPACTS: THESE WIND CHILLS CAN CAUSE FROSTBITE ON 
  EXPOSED SKIN WITHIN 20 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRY TO DRESS ADEQUATELY. BE SURE TO WEAR LAYERED LIGHT WEIGHT AND
WIND PROOF CLOTHING... AND WEAR A HAT AND MITTENS FOR PROTECTION
FROM THE DANGERS OF FROSTBITE.

&&

$$

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Feb 6, 9:55 AM MST, 5 hours 26 minutes earlier.

Area forecast discussion, Feb 6, 9:55 AM MST, 5 hours 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
955 AM MST SUN FEB 6 2011

.SHORT TERM...FOR NORTHEAST MONTANA...TODAY THROUGH TUESDAY...
UPDATED THE FORECAST TO LOWER POPS ACROSS THE NORTHERN ZONES. THE
REST OF THE ON GOING FORECAST LOOKS GOOD AS ARCTIC HIGH CONTINUES
TO PUSH SOUTHEAST INTO NORTHEAST MONTANA. THIS SURFACE HIGH WILL
PUSH THE ARCTIC FRONT INTO CENTRAL MONTANA. THE ARCTIC HIGH WILL
BRING THE PRECIPITATION TO AN END ACROSS THE ENTIRE REGION THIS
AFTERNOON. A SHORTWAVE IS STILL FORECASTED TO DIVE SOUTH OUT OF
ALBERTA AND INTO CENTRAL MONTANA. THIS SHORTWAVE WILL PUSH PACIFIC
MOISTURE ACROSS THE ARCTIC FRONTAL ZONE AND OVER THE WESTERN AND
SOUTHWESTERN ZONES PRODUCING MORE SNOWFALL. A WINTER STORM WATCH
IS STILL IN EFFECT FOR THIS AREA FOR TONIGHT THROUGH MONDAY
NIGHT.THE LATEST MODEL RUNS ARE HINTING AT 24 HOUR SNOW TOTALS
BETWEEN 6 AND 9 INCHES DUE TO A COMBINATION OF ISENTROPIC UPGLIDE
AND OROGRAPHIC LIFT. RSMITH

PREVIOUS DISCUSSION...LIGHT SNOW SHOWERS CONTINUE TO MOVE ACROSS THE
REGION IN MOIST AND SLIGHTLY UNSTABLE NORTHWEST FLOW. TEMPERATURES
HAVE REMAINED FAIRLY WARM OVERNIGHT...BUT COLD AIR BEGINNING TO
FILTER INTO THE NORTH. EXPECT STEADY OR FALLING TEMPERATURES TODAY
AS THE ALBERTA HIGH IS PUSHED SOUTHEAST BY INCOMING STORM SYSTEM.

SHORTWAVE IN THE GULF OF ALASKA EXPECTED TO SLIDE ACROSS BRITISH
COLUMBIA TODAY AND INTO THE GREAT BASIN BY MONDAY NIGHT. PACIFIC
MOISTURE RIDES OVER THE DRIER ARCTIC AIR MASS...WITH BEST LIFT
EXPECTED OVER CENTRAL MONTANA...CLOSER TO THE ARCTIC BOUNDARY AND
WITH THE ADDITION OF UPSLOPE. EXPECT SHARP BOUNDARY OF SNOWFALL
AND MODELS IN GOOD AGREEMENT PUTTING THE BOUNDARY ALONG A MALTA TO
JORDAN LINE. WINTER STORM WATCH ISSUED LAST EVENING FOR THIS AREA
STILL LOOKS GOOD WITH HEAVIEST SNOW EXPECTED LATE TONIGHT THROUGH
MONDAY AFTERNOON.

BY LATE MONDAY...AS SHORTWAVE MOVES INTO THE GREAT BASIN...ARCTIC
BOUNDARY PUSHES BACK AGAINST THE ROCKIES WITH CANADIAN HIGH
SETTLING INTO EASTERN MONTANA. DEEP DRY COLD AIR MASS WILL BRING
SNOW TO AN END OVER THE SOUTHWEST...AND CLEARING SKIES WILL RESULT
IN GOOD RADIATIONAL COOLING FOR TEMPERATURES DIPPING WELL BELOW
ZERO TUESDAY MORNING.

WITH TEMPERATURES HEADED BACK BELOW ZERO...WIND CHILLS COULD DROP TO
CRITICAL LEVELS BY THIS EVENING...AND STAY THERE THROUGH WEDNESDAY
MORNING. EBERT

.LONG TERM...TUESDAY NIGHT THROUGH SUNDAY...
WILL SEE DRY WEATHER FOR MOST OF THE PERIOD WITH A WARMING TREND.
NORTHWEST FLOW ALOFT ON WEDNESDAY WILL BE FOLLOWED BY AN UPPER
RIDGE THAT MOVES INLAND FROM THE PACIFIC AND FLATTENS SOMEWHAT BY
THE TIME IT REACH THE FORECAST AREA BY THE END OF THE WEEK.

SHALLOW ARCTIC AIRMASS LINGERS OVER THE AREA TUESDAY NIGHT AND
WEDNESDAY. A WARM FRONT WEDNESDAY NIGHT AND THURSDAY WILL PUSH THE
COLD AIR TO THE EAST ALLOWING TEMPERATURES TO WARM TO NEAR NORMAL
AND AT TIMES ABOVE NORMAL FOR THE REMAINDER OF THE PERIOD. AT THIS
POINT...THE MODELS ONLY BRING ENOUGH MOISTURE WITH THE WARM FRONT
TO PRODUCE MOSTLY CLOUDY SKIES. MODELS ARE IN DECENT AGREEMENT
WITH THE OVERALL PATTERN.

WITH THE UPPER RIDGE OVER THE AREA FRIDAY AND SATURDAY...MOST
AREAS WILL SEE ABOVE FREEZING TEMPERATURES FOR HIGHS BY SATURDAY.

A SHORTWAVE TROUGH MOVING THROUGH ALBERTA AND SASKATCHEWAN WILL
BRING A COLD FRONT THROUGH THE AREA NEXT SUNDAY. WILL MENTION A
SLIGHT CHANCE OF RAIN AND SNOW WITH THIS SYSTEM FOR NOW. FORRESTER

&&

.AVIATION...
SCATTERED SNOW SHOWERS WILL CONTINUE THIS MORNING ACROSS THE AREA
TODAY. CONDITIONS WILL VARY FROM VFR TO IFR TODAY AS SCATTERED LOW
CLOUDS AND BRIEF VISIBILITY REDUCTIONS MOVE THROUGH THE AREA. THE
SNOW SHOWERS WILL BECOME ISOLATED THIS AFTERNOON AND END BY
EVENING. NORTHWEST WINDS 10 TO 15 KNOTS EARLY WILL INCREASE TO 15
TO 20 KNOTS BY LATE MORNING. A MIX OF MVFR TO LOW VFR LEVEL
CLOUDS WILL HOVER OVER THE TAF SITES TONIGHT WITH WIDESPREAD SNOW
AFFECTING AREAS TO THE SOUTH AND WEST. WINDS WILL DIMINISH TO 5 TO
10 KNOTS AND TURN NORTHEAST TO EAST THIS EVENING.

&&

.GLASGOW WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WATCH FROM LATE TONIGHT THROUGH MONDAY AFTERNOON
FOR CENTRAL AND SOUTHEAST PHILLIPS...PETROLEUM...GARFIELD...
SOUTHWEST PHILLIPS.

&&

WEATHER.GOV/GLASGOW
Hazardous weather outlook, Feb 6, 3:18 PM MST, 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
318 PM MST SUN FEB 6 2011

MTZ021-060-070930-
PETROLEUM-SOUTHWEST PHILLIPS-
318 PM MST SUN FEB 6 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT FROM 11PM TONIGHT TO 11PM
MONDAY FOR 6 TO 12 INCHES OF NEW SNOW PLUS BLOWING SNOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WINTER STORM WARNING CONTINUES UNTIL 5PM MONDAY NIGHT. IN ADDITION
TO HEAVY SNOW AND BLOWING SNOW...WIND CHILL DOWN TO 25 BELOW WILL OCCUR.
THE COLDEST TEMPERATURES WITHOUT WIND WILL OCCUR TUESDAY MORNING
OF AROUND 20 BELOW. AFTER TUESDAY MORNING...A WARMING TREND WILL
BEGIN WITH DRY WEATHER.

.SPOTTER INFORMATION STATEMENT...

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

MTZ017>020-023>027-059-061-062-070930-
CENTRAL AND SOUTHERN VALLEY-DANIELS-SHERIDAN-WESTERN ROOSEVELT-
MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
NORTHERN VALLEY-EASTERN ROOSEVELT-
318 PM MST SUN FEB 6 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WIND CHILL ADVISORY IS IN EFFECT FROM 11PM TONIGHT THROUGH 5PM
MONDAY. EASTERLY WINDS OF 10 TO 15 MPH WILL COMBINE WITH AIR
TEMPERATURES DOWN TO 15 BELOW TO CREATE WIND CHILL TEMPERATURES
DOWN TO 40 BELOW. THE COLDEST TEMPERATURES WITHOUT WIND WILL OCCUR
TUESDAY MORNING AT AROUND 30 BELOW. FOLLOWING TUESDAY MORNING...A
WARMING TREND WILL DEVELOP WITH DRY WEATHER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

.SPOTTER INFORMATION STATEMENT...

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

MTZ016-022-070930-
CENTRAL AND SOUTHEAST PHILLIPS-GARFIELD-
318 PM MST SUN FEB 6 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT
A WINTER WEATHER ADVISORY IS IN EFFECT FROM 11PM SUNDAY NIGHT
UNTIL 11PM MONDAY EVENING. 1 TO 6 INCHES OF NEW SNOW IS EXPECTED
ALONG WITH 15 MPH OF EASTERLY WIND CREATING PROBLEMS FROM BLOWING
SNOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WINTER WEATHER ADVISORY CONTINUES UNTIL 11PM SUNDAY NIGHT. IN
ADDITION TO MODERATE AMOUNTS OF NEW SNOW AND BLOWING SNOW...DANGEROUS
WIND CHILL CONDITIONS WILL OCCUR WITH WIND CHILL DOWN TO 30 BELOW.

TUESDAY MORNING WILL SEE THE COLDEST TEMPERATURES WITHOUT WIND WITH
LOWS AROUND 30 BELOW. FOLLOWING TUESDAY MORNING...A WARMING TREND
WILL BEGIN WITH DRY WEATHER.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Feb 6, 12:39 PM MST, 2 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1239 PM MST SUN FEB 06 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1238 PM     SNOW             15 E CROW ROCK          46.91N 105.75W
02/06/2011  E2.0 INCH        PRAIRIE            MT   TRAINED SPOTTER

            SNOWFALL TOTAL SINCE SATURDAY EVENING.

&&

BB

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 8:42 PM MSTWinter Storm WatchGGWGarfield, Petroleum, Phillips19 hr
Feb 6, 3:21 PM MSTWind Chill AdvisoryGGWDaniels, Dawson, McCone, Petroleum, Phillips, Prairie and 5 more43 hr
Feb 6, 3:21 PM MSTWinter Weather AdvisoryGGWGarfield, Phillips26 hr
Feb 6, 3:53 PM MSTAreal Flood AdvisoryGGWGarfield, Petroleum30 hr

Nearby

Winter Storm Warnings in Montana, 2011Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.