Alert archive / Montana / Freeze Warnings in 2012

Freeze Warning 2, NWS Missoula, MT

September 10, 20126 counties in Montana

NWS Missoula, MT issued this freeze warning at Sep 10, 2012, 9:48 AM MDT for 6 counties in Montana. It took effect at Sep 12, 2012, 3:00 AM MDT. It was in force for 6 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
Sep 10, 2012, 9:48 AM MDT (15:48 UTC)
In effect from
Sep 12, 2012, 3:00 AM MDT
Expired
Sep 12, 2012, 9:00 AM MDT
In force
6 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 43 km from the middle of the area, began a volume at 15:46 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 nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 3.8 hours before the alert went out and 157 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, Spokane, WA at 12:00Z on 2012-09-10Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2012-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897Sfc1 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
1156 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
102 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.

803 
WWUS75 KMSO 101548
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
948 AM MDT MON SEP 10 2012

MTZ005-110000-
/O.NEW.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
/O.CON.KMSO.WI.Y.0023.120910T1900Z-120911T0100Z/
MISSOULA/BITTERROOT VALLEYS-
948 AM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM MDT THIS EVENING...

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING. 

* WIND IMPACTS/TIMING: GUSTY WINDS THIS AFTERNOON AND EARLY
  EVENING DUE TO A STRONG COLD FRONT COULD RESULT IN MINOR TREE
  AND PROPERTY DAMAGE. DIFFICULT DRIVING CONDITIONS ARE ALSO
  EXPECTED FOR HIGH PROFILES VEHICLES.

* WINDS: WEST 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY
  MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL LIKELY
  DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND ADVISORY MEANS CONSTRUCTION SITES AND PEOPLE WITH UNSECURED
OUTSIDE FURNITURE SHOULD PREPARE FOR GUSTY WEST WINDS LATER TODAY.
DANGEROUS CROSS WINDS ARE POSSIBLE ON AREA HIGHWAYS.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$

MTZ003-110000-
/O.NEW.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
/O.NEW.KMSO.LW.Y.0008.120910T1548Z-120911T0200Z/
FLATHEAD/MISSION VALLEYS-
948 AM MDT MON SEP 10 2012

...LAKE WIND ADVISORY IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR
FLATHEAD LAKE...

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
LAKE WIND ADVISORY FOR FLATHEAD LAKE HAS ALSO BEEN ISSUED. THIS
LAKE WIND ADVISORY FOR FLATHEAD LAKE IS IN EFFECT UNTIL 8 PM MDT
THIS EVENING. 

* WIND IMPACTS/TIMING: GUSTY SOUTHWEST WINDS WILL AFFECT FLATHEAD LAKE
  TODAY CAUSING CHOPPY CONDITIONS.

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH.

* WAVE HEIGHTS: 2 TO 4 FEET.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY
  MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL LIKELY DAMAGE
  OR KILL SENSITIVE GARDEN PLANTS AND CROPS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. 

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL
CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE
TO CAPSIZING.

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$

MTZ004-110000-
/O.NEW.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
LOWER CLARK FORK REGION-
948 AM MDT MON SEP 10 2012

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. 

* IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY
  MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL LIKELY DAMAGE
  OR KILL SENSITIVE GARDEN PLANTS AND CROPS.

* TEMPERATURES: FALLING INTO THE MID TO UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MTZ002-110000-
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
948 AM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
ABOVE 6000 FEET...

A WIND ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL MIDNIGHT
MDT TONIGHT. 

* IMPACTS/TIMING: WEST WINDS WILL BE PEAKING DURING THE DAY 
  TODAY ACROSS GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH 
  PROFILE VEHICLES WILL LIKELY HAVE DIFFICULTY TRAVELING OVER 
  LOGAN PASS. BACKCOUNTRY HIKERS SHOULD BE PREPARED FOR VERY 
  STRONG WINDS IN THE HIGH COUNTRY... ESPECIALLY IN LOCATIONS 
  EXPOSED TO WESTERLY WINDS. 

* WINDS: WEST WINDS 25 TO 40 MPH WITH GUSTS TO 50 MPH ABOVE 6000 
  FEET. GUSTS IN EXCESS OF 60 MPH POSSIBLE AT LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
10 follow-up statements
394 
WWUS75 KMSO 102015
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
215 PM MDT MON SEP 10 2012

MTZ005-110415-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0100Z/
MISSOULA/BITTERROOT VALLEYS-
215 PM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT THIS
EVENING. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING.

* WIND IMPACTS/TIMING: GUSTY WINDS THIS AFTERNOON AND EARLY 
  EVENING DUE TO A STRONG COLD FRONT COULD RESULT IN MINOR TREE 
  AND PROPERTY DAMAGE. DIFFICULT DRIVING CONDITIONS ARE ALSO 
  EXPECTED FOR HIGH PROFILES VEHICLES. 

* WINDS: WEST 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND ADVISORY MEANS CONSTRUCTION SITES AND PEOPLE WITH UNSECURED
OUTSIDE FURNITURE SHOULD PREPARE FOR GUSTY WEST WINDS LATER
TODAY. DANGEROUS CROSS WINDS ARE POSSIBLE ON AREA HIGHWAYS.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$

MTZ003-110415-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
/O.CON.KMSO.LW.Y.0008.000000T0000Z-120911T0200Z/
FLATHEAD/MISSION VALLEYS-
215 PM MDT MON SEP 10 2012

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING FOR FLATHEAD LAKE...
...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. A LAKE WIND ADVISORY FOR FLATHEAD LAKE REMAINS IN
EFFECT UNTIL 8 PM MDT THIS EVENING. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
LAKE WIND ADVISORY FOR FLATHEAD LAKE HAS ALSO BEEN ISSUED. THIS
LAKE WIND ADVISORY FOR FLATHEAD LAKE IS IN EFFECT UNTIL 8 PM MDT
THIS EVENING.

* WIND IMPACTS/TIMING: GUSTY SOUTHWEST WINDS WILL AFFECT 
  FLATHEAD LAKE TODAY CAUSING CHOPPY CONDITIONS. 

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH.

* WAVE HEIGHTS: 2 TO 4 FEET.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$

MTZ004-110415-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
LOWER CLARK FORK REGION-
215 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

* IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY 
  MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL LIKELY DAMAGE 
  OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

* TEMPERATURES: FALLING INTO THE MID TO UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MTZ002-110415-
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
215 PM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
ABOVE 6000 FEET...

A WIND ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL MIDNIGHT
MDT TONIGHT. 

* IMPACTS/TIMING: WEST WINDS WILL BE PEAKING THIS AFTERNOON ACROSS
  GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH PROFILE VEHICLES
  WILL LIKELY HAVE DIFFICULTY TRAVELING OVER LOGAN PASS.
  BACKCOUNTRY HIKERS SHOULD BE PREPARED FOR VERY STRONG WINDS IN
  THE HIGH COUNTRY... ESPECIALLY IN LOCATIONS EXPOSED TO WESTERLY
  WINDS.

* WINDS: WEST WINDS 25 TO 40 MPH WITH GUSTS TO 50 MPH ABOVE 6000 
  FEET. GUSTS IN EXCESS OF 60 MPH POSSIBLE AT LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
019 
WWUS75 KMSO 110047
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
647 PM MDT MON SEP 10 2012

MTZ005-110900-
/O.EXP.KMSO.WI.Y.0023.000000T0000Z-120911T0100Z/
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
MISSOULA/BITTERROOT VALLEYS-
647 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...
...WIND ADVISORY WILL EXPIRE AT 7 PM MDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM MDT THIS EVENING. A FREEZE
WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING. 

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MTZ003-110900-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
/O.CON.KMSO.LW.Y.0008.000000T0000Z-120911T0200Z/
FLATHEAD/MISSION VALLEYS-
647 PM MDT MON SEP 10 2012

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING FOR FLATHEAD LAKE...
...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. A LAKE WIND ADVISORY FOR FLATHEAD LAKE REMAINS IN
EFFECT UNTIL 8 PM MDT THIS EVENING. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
LAKE WIND ADVISORY FOR FLATHEAD LAKE HAS ALSO BEEN ISSUED. THIS
LAKE WIND ADVISORY FOR FLATHEAD LAKE IS IN EFFECT UNTIL 8 PM MDT
THIS EVENING.

* WIND IMPACTS/TIMING: GUSTY SOUTHWEST WINDS WILL AFFECT 
  FLATHEAD LAKE THIS EVENING CAUSING CHOPPY CONDITIONS. 

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH.

* WAVE HEIGHTS: 2 TO 4 FEET.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$

MTZ004-110900-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
LOWER CLARK FORK REGION-
647 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

* IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY 
  MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL LIKELY DAMAGE 
  OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

* TEMPERATURES: FALLING INTO THE MID TO UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

MTZ002-110600-
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
647 PM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
ABOVE 6000 FEET...

A WIND ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL MIDNIGHT
MDT TONIGHT. 

* IMPACTS/TIMING: WEST WINDS WILL BE PEAKING THIS AFTERNOON 
  ACROSS GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH PROFILE 
  VEHICLES WILL LIKELY HAVE DIFFICULTY TRAVELING OVER LOGAN 
  PASS. BACKCOUNTRY HIKERS SHOULD BE PREPARED FOR VERY STRONG 
  WINDS IN THE HIGH COUNTRY... ESPECIALLY IN LOCATIONS EXPOSED 
  TO WESTERLY WINDS. 

* WINDS: WEST WINDS 25 TO 40 MPH WITH GUSTS TO 50 MPH ABOVE 6000 
  FEET. GUSTS IN EXCESS OF 60 MPH POSSIBLE AT LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
786 
WWUS75 KMSO 110133
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
733 PM MDT MON SEP 10 2012

MTZ003-110945-
/O.EXP.KMSO.LW.Y.0008.000000T0000Z-120911T0200Z/
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-
733 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...
...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
FLATHEAD LAKE...

THE LAKE WIND ADVISORY FOR FLATHEAD LAKE WILL EXPIRE AT 8 PM MDT
THIS EVENING. A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO
9 AM MDT WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF NORTHWEST MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$

MTZ004-005-110945-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
LOWER CLARK FORK REGION-MISSOULA/BITTERROOT VALLEYS-
733 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$

MTZ002-110600-
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
733 PM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
ABOVE 6000 FEET...

A WIND ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL MIDNIGHT
MDT TONIGHT. 

* IMPACTS/TIMING: WEST WINDS WILL BE PEAKING THIS AFTERNOON 
  ACROSS GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH PROFILE 
  VEHICLES WILL LIKELY HAVE DIFFICULTY TRAVELING OVER LOGAN 
  PASS. BACKCOUNTRY HIKERS SHOULD BE PREPARED FOR VERY STRONG 
  WINDS IN THE HIGH COUNTRY... ESPECIALLY IN LOCATIONS EXPOSED 
  TO WESTERLY WINDS. 

* WINDS: WEST WINDS 25 TO 40 MPH WITH GUSTS TO 50 MPH ABOVE 6000 
  FEET. GUSTS IN EXCESS OF 60 MPH POSSIBLE AT LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
940 
WWUS75 KMSO 110250
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
850 PM MDT MON SEP 10 2012

MTZ003>005-110600-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
850 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$

MTZ002-110600-
/O.CON.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
850 PM MDT MON SEP 10 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
ABOVE 6000 FEET...

A WIND ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL MIDNIGHT
MDT TONIGHT. 

* IMPACTS/TIMING: WEST WINDS PEAKED TONIGHT ACROSS GLACIER
  NATIONAL PARK ABOVE 6000 FEET. HIGH WINDS WILL CONTINUE THROUGH
  MIDNIGHT. HIGH PROFILE VEHICLES WILL LIKELY HAVE DIFFICULTY
  TRAVELING OVER LOGAN PASS.

* WINDS: WEST WINDS 25 TO 40 MPH WITH GUSTS TO 50 MPH ABOVE 6000 
  FEET. GUSTS IN EXCESS OF 80 MPH HAVE OCCURRED AT LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
214 
WWUS75 KMSO 110555
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1155 PM MDT MON SEP 10 2012

MTZ002-110700-
/O.CAN.KMSO.WI.Y.0023.000000T0000Z-120911T0600Z/
WEST GLACIER REGION-
1155 PM MDT MON SEP 10 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
ADVISORY. 



$$

MTZ003>005-111400-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
1155 PM MDT MON SEP 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY.

&&

$$
859 
WWUS75 KMSO 111028
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
428 AM MDT TUE SEP 11 2012

MTZ003>005-112100-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
428 AM MDT TUE SEP 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. A
WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY
  MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL LIKELY
  DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS.

&&

$$
131 
WWUS75 KMSO 111301
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
701 AM MDT TUE SEP 11 2012

MTZ003>005-121200-
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
701 AM MDT TUE SEP 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY. 

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING IN THE VALLEYS OF WEST CENTRAL MONTANA WILL 
  LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND CROPS. 

&&

$$
909 
WWUS75 KMSO 111757
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1157 AM MDT TUE SEP 11 2012

MTZ003>005-121200-
/O.NEW.KMSO.FZ.W.0003.120913T0900Z-120913T1600Z/
/O.CON.KMSO.FZ.W.0002.120912T0900Z-120912T1500Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
1157 AM MDT TUE SEP 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT
WEDNESDAY...
...FREEZE WARNING IN EFFECT FROM 3 AM TO 10 AM MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 10 AM MDT THURSDAY. A
FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY.

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY WEDNESDAY
  MORNING AND AGAIN EARLY THURSDAY MORNING IN THE VALLEYS OF WEST
  CENTRAL MONTANA WILL LIKELY DAMAGE OR KILL SENSITIVE GARDEN
  PLANTS AND CROPS. 

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION AND PROTECTIVE MEASURES WILL BE NECESSARY TO
EXTEND THIS YEAR'S GROWING SEASON.

&&

$$
773 
WWUS75 KMSO 121016
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
416 AM MDT WED SEP 12 2012

MTZ003>005-121500-
/O.CON.KMSO.FZ.W.0002.000000T0000Z-120912T1500Z/
/O.CON.KMSO.FZ.W.0003.120913T0900Z-120913T1600Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
416 AM MDT WED SEP 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT
THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING. A
FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT THURSDAY.

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES EARLY 
  WEDNESDAY MORNING AND AGAIN EARLY THURSDAY MORNING IN THE 
  VALLEYS OF WEST CENTRAL MONTANA WILL LIKELY DAMAGE OR KILL 
  SENSITIVE GARDEN PLANTS AND CROPS. 

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION AND PROTECTIVE MEASURES WILL BE NECESSARY TO
EXTEND THIS YEAR'S GROWING SEASON.

&&

$$
985 
WWUS75 KMSO 121437
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
837 AM MDT WED SEP 12 2012

MTZ003>005-131030-
/O.EXP.KMSO.FZ.W.0002.000000T0000Z-120912T1500Z/
/O.CON.KMSO.FZ.W.0003.120913T0900Z-120913T1600Z/
FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-
837 AM MDT WED SEP 12 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT
THURSDAY...

 A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 10 AM MDT
THURSDAY.

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY.

* FREEZE IMPACTS/TIMING: SUB-FREEZING TEMPERATURES WILL ONCE AGAIN
  OCCUR EARLY THURSDAY MORNING IN THE VALLEYS OF WEST CENTRAL
  MONTANA WILL LIKELY DAMAGE OR KILL SENSITIVE GARDEN PLANTS AND
  CROPS.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION AND PROTECTIVE MEASURES WILL BE NECESSARY TO
EXTEND THIS YEAR'S GROWING SEASON.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 9:48 AM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders10 hr

Nearby

Freeze Warnings in Montana, 2012Every freeze warning in 2012

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.