Alert archive / Montana / High Wind Warnings in 2008

High Wind Warning 4, NWS Missoula, MT

July 30, 2008Flathead County, Lake County, Montana

NWS Missoula, MT issued this high wind warning at Jul 30, 2008, 7:37 AM MDT for Flathead County, Lake County, Montana. It was in force for 7 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
Jul 30, 2008, 7:37 AM MDT (13:37 UTC)
Expired
Jul 30, 2008, 2:20 PM MDT
In force
7 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Lake County, MT

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 1.6 hours before the alert went out and 177 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 2008-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1080 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
132 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.

000 
WWUS75 KMSO 301337
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
737 AM MDT WED JUL 30 2008

.SURFACE PRESSURE GRADIENTS WILL TIGHTEN CONSIDERABLY OVER
WESTERN MONTANA TODAY. WINDS WILL INCREASE THROUGH THE DAY AND
BECOME GUSTY BY AFTERNOON AS UPPER LEVEL WINDS ARE TRANSPORTED
DOWN TO THE SURFACE. PRESSURE GRADIENTS WILL QUICKLY WEAKEN THIS
EVENING AROUND SUNSET AND WINDS WILL DIMINISH.

MTZ002-310200-
/O.UPG.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
/O.NEW.KMSO.HW.W.0004.080730T1337Z-080731T0200Z/
WEST GLACIER REGION-
737 AM MDT WED JUL 30 2008

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR 
THE HIGHER ELEVATIONS OF GLACIER NATIONAL PARK...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MDT THIS EVENING. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

SUSTAINED WESTERLY WINDS 25 TO 35 MPH WITH GUSTS OF 50 TO 70
MPH...LOCALLY UP TO 80 MPH...ARE EXPECTED FROM WEDNESDAY MORNING
THROUGH 8 PM THIS EVENING. AREAS IMPACTED INCLUDE LOGAN PASS IN
GLACIER NATIONAL PARK WHERE GUSTS OF 80 MPH ARE POSSIBLE. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE.

$$

MTZ007-310200-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
BUTTE/BLACKFOOT REGION-
737 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.
LOCALIZED WIND GUSTS TO IN EXCESS OF 50 MPH WILL BE POSSIBLE NEAR
MCDONALD PASS AND NEAR DEER LODGE AND ANACONDA.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ005-310200-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
MISSOULA/BITTERROOT VALLEYS-
737 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ006-310200-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
737 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.
AREAS IMPACTED THE WEST FACING SLOPES OF THE SAPPHIRE MOUNTAINS
AND THE WIDER WEST TO EAST FACING CANYONS IN THE BITTERROOT
MOUNTAINS...SUCH AS THE LAKE COMO AREA NEAR DARBY.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ004-310200-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
LOWER CLARK FORK REGION-
737 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ003-310200-
/O.CON.KMSO.LW.Y.0004.080730T1800Z-080731T0300Z/
FLATHEAD/MISSION VALLEYS-
737 AM MDT WED JUL 30 2008

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM
MDT THIS EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM
MDT THIS EVENING. 

SUSTAINED SOUTHWESTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO
35 MPH ARE EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS
EVENING. AREAS IMPACTED MOST WILL BE THE EASTERN SHORES OF
FLATHEAD LAKE.

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

$$
2 follow-up statements
000 
WWUS75 KMSO 301533
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
933 AM MDT WED JUL 30 2008

.SURFACE PRESSURE GRADIENTS WILL TIGHTEN CONSIDERABLY OVER
WESTERN MONTANA TODAY. WINDS WILL INCREASE THROUGH THE DAY AND
BECOME GUSTY BY AFTERNOON AS UPPER LEVEL WINDS ARE TRANSPORTED
DOWN TO THE SURFACE. PRESSURE GRADIENTS WILL QUICKLY WEAKEN THIS
EVENING AROUND SUNSET AND WINDS WILL DIMINISH.

MTZ002-302345-
/O.CON.KMSO.HW.W.0004.000000T0000Z-080731T0200Z/
WEST GLACIER REGION-
933 AM MDT WED JUL 30 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING. 

SUSTAINED WESTERLY WINDS 25 TO 35 MPH WITH GUSTS OF 50 TO
70 MPH...LOCALLY UP TO 80 MPH...ARE EXPECTED FROM WEDNESDAY
MORNING THROUGH 8 PM THIS EVENING. AREAS IMPACTED INCLUDE LOGAN
PASS IN GLACIER NATIONAL PARK WHERE GUSTS OF 80 MPH ARE POSSIBLE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE.

$$

MTZ003-302345-
/O.EXT.KMSO.LW.Y.0004.080730T1533Z-080731T0300Z/
FLATHEAD/MISSION VALLEYS-
933 AM MDT WED JUL 30 2008

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING...

THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

SUSTAINED SOUTHWESTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO
35 MPH ARE EXPECTED FROM EARLY THIS MORNING THROUGH 9 PM THIS EVENING.

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

$$

MTZ007-302345-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
BUTTE/BLACKFOOT REGION-
933 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.
LOCALIZED WIND GUSTS TO IN EXCESS OF 50 MPH WILL BE POSSIBLE NEAR
MCDONALD PASS AND NEAR DEER LODGE AND ANACONDA.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ005-302345-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
MISSOULA/BITTERROOT VALLEYS-
933 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ006-302345-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
933 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.
AREAS IMPACTED THE WEST FACING SLOPES OF THE SAPPHIRE MOUNTAINS
AND THE WIDER WEST TO EAST FACING CANYONS IN THE BITTERROOT
MOUNTAINS...SUCH AS THE LAKE COMO AREA NEAR DARBY.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ004-302345-
/O.CON.KMSO.WI.Y.0013.080730T1800Z-080731T0300Z/
LOWER CLARK FORK REGION-
933 AM MDT WED JUL 30 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

SUSTAINED WESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED FROM EARLY THIS AFTERNOON THROUGH 9 PM THIS EVENING.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$
000 
WWUS75 KMSO 302020
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
220 PM MDT WED JUL 30 2008

MTZ002-302130-
/O.CAN.KMSO.HW.W.0004.000000T0000Z-080731T0200Z/
WEST GLACIER REGION-
220 PM MDT WED JUL 30 2008

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HIGH
WIND WARNING. 

WINDS HAVE NOT BECOME AS GUSTY AS PREVIOUSLY EXPECTED THIS
AFTERNOON. HOWEVER...WEST TO SOUTHWEST WINDS BETWEEN 15 TO 25 MPH
WITH LOCAL GUSTS UP TO 40 MPH WILL CONTINUE INTO THE AFTERNOON.

$$

MTZ004>007-302130-
/O.CAN.KMSO.WI.Y.0013.000000T0000Z-080731T0300Z/
LOWER CLARK FORK REGION-MISSOULA/BITTERROOT VALLEYS-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
220 PM MDT WED JUL 30 2008

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE NOT BECOME AS GUSTY AS PREVIOUSLY EXPECTED THIS
AFTERNOON. HOWEVER...WEST TO SOUTHWEST WINDS BETWEEN 10 TO 20 MPH
WITH LOCAL GUSTS UP TO 30 MPH WILL CONTINUE INTO THE AFTERNOON.

$$

MTZ003-310300-
/O.CON.KMSO.LW.Y.0004.000000T0000Z-080731T0300Z/
FLATHEAD/MISSION VALLEYS-
220 PM MDT WED JUL 30 2008

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

SUSTAINED SOUTHWESTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO
35 MPH ARE EXPECTED TO CONTINUE UNTIL 9 PM THIS EVENING.

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 2:27 AM MDTLake Wind AdvisoryMSOFlathead, Lake, Sanders14 hr
Jul 30, 2:27 AM MDTWind AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more12 hr
Jul 30, 8:24 AM MDTRed Flag WarningMSOBeaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more13 hr

Nearby

High Wind Warnings in Montana, 2008Every high wind warning in 2008

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.