Alert archive / Idaho / Wind Advisories in 2008

Wind Advisory 21, NWS Missoula, MT

December 12, 2008Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this wind advisory at Dec 12, 2008, 7:35 AM PST for Clearwater County, Idaho County, Idaho. It took effect at Dec 12, 2008, 11:00 AM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2008, 7:35 AM PST (15:35 UTC)
In effect from
Dec 12, 2008, 11:00 AM PST
Expired
Dec 12, 2008, 8:58 PM PST
In force
10 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 3.6 hours before the alert went out and 172 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 2008-12-12Temperature 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 2008-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
326 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 121535
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
835 AM MST FRI DEC 12 2008

...DENSE FOG HAS DEVELOPED ACROSS PORTIONS OF NORTH CENTRAL IDAHO
AND NORTHWEST MONTANA...

...STRONG SOUTHERLY WINDS WILL DEVELOP THIS AFTERNOON OVER THE
SALMON RIVER INTO THE CAMAS PRAIRIE...

.SUFFICIENT LOW LEVEL MOISTURE...LIGHT WINDS AND STABLE
CONDITIONS HAVE AIDED FOG DEVELOPMENT THIS MORNING. A STRONG LOW
PRESSURE SYSTEM MOVING INTO THE REGION WILL CAUSE THE PRESSURE
GRADIENT TO TIGHTEN LATER THIS MORNING. THE DEVELOPMENT OF THE
WINDS WILL HELP IN THE DISSIPATION OF FOG. THE STRONG SOUTHERLY
WINDS ARE EXPECTED TO CONTINUE UNTIL THE PASSAGE OF THE COLD FRONT
LATER THIS EVENING.

IDZ007-122345-
/O.NEW.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
/O.CON.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
OROFINO/GRANGEVILLE REGION-
735 AM PST FRI DEC 12 2008

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 10 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM
PST THIS EVENING. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL
10 AM PST THIS MORNING. 

LOCAL WEBCAMS SHOW AREAS OF FOG WITH VISIBILITIES OF ONE QUARTER
MILE OR LESS AT TIMES ACROSS NORTH CENTRAL IDAHO THIS MORNING.
EXPECT AREAS OF DENSE FOG TO PERSIST THROUGH 10 AM PST TODAY.
AREAS MOST IMPACTED BY DENSE FOG WILL BE HIGHWAY 95 FROM
GRANGEVILLE TO NEZ PERCE...HIGHWAY 13 FROM GRANGEVILLE TO
KOOSKIA...HIGHWAY 12 FROM KOOSKIA TO OROFINO...AND HIGHWAY 11 FROM
GREER TO HEADQUARTERS. THE DEVELOPMENT OF SOUTHERLY WINDS WILL
HELP DISSIPATE THE FOG THIS MORNING.

A STRONG PRESSURE GRADIENT WILL DEVELOP OVER THE REGION CREATING
SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP TO 50 MPH BY EARLY
AFTERNOON AND LASTING THROUGH THE EVENING. THE CAMAS PRAIRIE IS
THE PRIMARY REGION FOR THE WINDS.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

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.

$$

IDZ008-122345-
/O.NEW.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
735 AM PST FRI DEC 12 2008

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 10 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM
PST THIS EVENING. 

A STRONG PRESSURE GRADIENT WILL DEVELOP OVER THE REGION CREATING
SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP TO 50 MPH BY EARLY
AFTERNOON AND LASTING THROUGH THE EVENING. THE CAMAS PRAIRIE IS
THE PRIMARY REGION FOR THE WINDS.

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.

$$

MTZ005-121800-
/O.CON.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
MISSOULA/BITTERROOT VALLEYS-
835 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

RECENT REPORTS FROM NATIONAL WEATHER SERVICE EMPLOYEES HAVE CONFIRMED
AREAS OF DENSE FREEZING FOG WITH VISIBILITIES OF ONE QUARTER MILE
OR LESS AT TIMES THROUGHOUT THE MISSOULA VALLEY. AS OF 6:30AM THE
FREEZING FOG IS MOST DENSE OVER NORTH RESERVE...TOWARDS DOWNTOWN
AND AROUND THE AIRPORT SO FAR THIS MORNING BUT IS EXPECTED TO
GRADUALLY SPREAD AND THICKEN AS THE MORNING CONTINUES. EXPECT
AREAS OF DENSE FOG TO PERSIST THROUGH 11 AM MST TODAY.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

$$

IDZ005-121800-
/O.CON.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
735 AM PST FRI DEC 12 2008

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

LOCAL WEBCAMS SHOW AREAS OF FOG WITH VISIBILITIES OF ONE QUARTER
MILE OR LESS AT TIMES ACROSS NORTH CENTRAL IDAHO THIS MORNING.
EXPECT AREAS OF DENSE FOG TO PERSIST THROUGH 10 AM PST TODAY.

AREAS MOST IMPACTED BY DENSE FOG WILL BE HIGHWAY 95 FROM
GRANGEVILLE TO NEZ PERCE...HIGHWAY 13 FROM GRANGEVILLE TO
KOOSKIA...HIGHWAY 12 FROM KOOSKIA TO OROFINO...AND HIGHWAY
11 FROM GREER TO HEADQUARTERS.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

$$

MTZ001-004-121800-
/O.CON.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
835 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

LOCAL WEBCAMS HAVE CONFIRMED CONTINUED AREAS OF FOG WITH
VISIBILITIES OF ONE QUARTER MILE OR LESS AT TIMES ACROSS PORTIONS
OF NORTHWEST MONTANA THIS MORNING. EXPECT AREAS OF DENSE FOG TO
PERSIST THROUGH 11 AM MST TODAY.

AREAS MOST IMPACTED BY DENSE FOG WILL BE THE I-90 CORRIDOR FROM
FRENCHTOWN TO ST REGIS...HIGHWAY 200 FROM PARADISE TO HERON/ID
BORDER...HIGHWAY 2 FROM MARION TO TROY/ID BORDER...AND HIGHWAY
37 FROM LIBBY TO EUREKA.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

$$
4 follow-up statements
000 
WWUS75 KMSO 121755
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1055 AM MST FRI DEC 12 2008

...DENSE FOG HAS DEVELOPED ACROSS PORTIONS OF NORTH CENTRAL IDAHO
AND NORTHWEST MONTANA...

...STRONG SOUTHERLY WINDS WILL DEVELOP THIS AFTERNOON OVER THE
SALMON RIVER INTO THE CAMAS PRAIRIE...

.A STRONG LOW PRESSURE SYSTEM MOVING INTO THE REGION WILL CAUSE
THE PRESSURE GRADIENT TO TIGHTEN LATER THIS MORNING RESULTING IN 
THE DEVELOPMENT OF STRONG SOUTHERLY WINDS. GUSTY WINDS WILL CONTINUE
UNTIL THE PASSAGE OF THE COLD FRONT LATER THIS EVENING.

IDZ007-130200-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
/O.CON.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
OROFINO/GRANGEVILLE REGION-
955 AM PST FRI DEC 12 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. A
WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SOUTHERLY WINDS HAVE DEVELOPED THIS MORNING WHICH HAS HELPED TO
DISSIPATE THE FOG THIS MORNING SUFFICIENTLY THAT DENSE FOG IS NO
LONGER LIKELY.

A STRONG PRESSURE GRADIENT WILL CONTINUE TO DEVELOP OVER THE
REGION AS AN INTENSE PACIFIC STORM SYSTEM APPROACHES THE REGION.
THIS WILL RESULT IN SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP
TO 50 MPH BY EARLY AFTERNOON AND LASTING THROUGH THE EVENING. THE
CAMAS PRAIRIE IS THE PRIMARY REGION FOR THE WINDS.

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.

$$

MTZ005-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
MISSOULA/BITTERROOT VALLEYS-
1055 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. 

THE ATMOSPHERE HAS BEGUN TO MODIFY THIS MORNING AND DENSE FOG HAS
DISSIPATED OR IN SOME LOCATIONS...LIFTED INTO A LAYER OF STRATUS
CLOUDS. PATCHY FOG AND LOW STRATUS CLOUDS WILL PERSIST WITHIN THE
MISSOULA VALLEY THROUGH EARLY AFTERNOON AS THE STABLE ATMOSPHERE
HOOVERS NEAR SATURATION. HOWEVER DENSE FOG IS NO LONGER LIKELY
AND THE ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

IDZ005-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
955 AM PST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE ATMOSPHERE HAS MODIFIED SUFFICIENTLY SUCH THAT DENSE FOG WILL
NO LONGER BE A MAJOR THREAT ACROSS THE AREA. LOCALIZED AREAS OF
PATCHY FOG MAY PERSIST NEAR BODIES OF WATER. HOWEVER ALL FOG WILL
DISSIPATE EARLY THIS AFTERNOON AS STRONG PACIFIC STORM SYSTEM
ENTERS THE REGION.

$$

MTZ001-004-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
1055 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

THE ATMOSPHERE HAS MODIFIED SUFFICIENTLY SUCH THAT DENSE FOG WILL
NO LONGER BE A MAJOR THREAT ACROSS THE AREA. LOCALIZED AREAS OF
PATCHY FOG MAY PERSIST NEAR BODIES OF WATER. HOWEVER ALL FOG WILL
DISSIPATE EARLY THIS AFTERNOON AS STRONG PACIFIC STORM SYSTEM
ENTERS THE REGION.

$$

IDZ008-130200-
/O.CON.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
955 AM PST FRI DEC 12 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

A STRONG PRESSURE GRADIENT WILL DEVELOP OVER THE REGION CREATING
SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP TO 50 MPH BY EARLY
AFTERNOON AND LASTING THROUGH THE EVENING. THE CAMAS PRAIRIE IS
THE PRIMARY REGION FOR THE WINDS.

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.

$$
000 
WWUS75 KMSO 121757 CCA
NPWMSO

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MISSOULA MT
1056 AM MST FRI DEC 12 2008

...STRONG SOUTHERLY WINDS WILL DEVELOP THIS AFTERNOON OVER THE
SALMON RIVER INTO THE CAMAS PRAIRIE...

.A STRONG LOW PRESSURE SYSTEM MOVING INTO THE REGION WILL CAUSE
THE PRESSURE GRADIENT TO TIGHTEN LATER THIS MORNING RESULTING IN 
THE DEVELOPMENT OF STRONG SOUTHERLY WINDS. GUSTY WINDS WILL CONTINUE
UNTIL THE PASSAGE OF THE COLD FRONT LATER THIS EVENING.

IDZ007-130215-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
/O.CON.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
OROFINO/GRANGEVILLE REGION-
956 AM PST FRI DEC 12 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. A
WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SOUTHERLY WINDS HAVE DEVELOPED THIS MORNING WHICH HAS HELPED TO
DISSIPATE THE FOG THIS MORNING SUFFICIENTLY THAT DENSE FOG IS NO
LONGER LIKELY.

A STRONG PRESSURE GRADIENT WILL CONTINUE TO DEVELOP OVER THE
REGION AS AN INTENSE PACIFIC STORM SYSTEM APPROACHES THE REGION.
THIS WILL RESULT IN SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP
TO 50 MPH BY EARLY AFTERNOON AND LASTING THROUGH THE EVENING. THE
CAMAS PRAIRIE IS THE PRIMARY REGION FOR THE WINDS.

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.

$$

MTZ005-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
MISSOULA/BITTERROOT VALLEYS-
1056 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. 

THE ATMOSPHERE HAS BEGUN TO MODIFY THIS MORNING AND DENSE FOG HAS
DISSIPATED OR IN SOME LOCATIONS...LIFTED INTO A LAYER OF STRATUS
CLOUDS. PATCHY FOG AND LOW STRATUS CLOUDS WILL PERSIST WITHIN THE
MISSOULA VALLEY THROUGH EARLY AFTERNOON AS THE STABLE ATMOSPHERE
HOOVERS NEAR SATURATION. HOWEVER DENSE FOG IS NO LONGER LIKELY
AND THE ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

IDZ005-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
956 AM PST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE ATMOSPHERE HAS MODIFIED SUFFICIENTLY SUCH THAT DENSE FOG WILL
NO LONGER BE A MAJOR THREAT ACROSS THE AREA. LOCALIZED AREAS OF
PATCHY FOG MAY PERSIST NEAR BODIES OF WATER. HOWEVER ALL FOG WILL
DISSIPATE EARLY THIS AFTERNOON AS STRONG PACIFIC STORM SYSTEM
ENTERS THE REGION.

$$

MTZ001-004-121900-
/O.EXP.KMSO.FG.Y.0008.000000T0000Z-081212T1800Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
1056 AM MST FRI DEC 12 2008

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

THE ATMOSPHERE HAS MODIFIED SUFFICIENTLY SUCH THAT DENSE FOG WILL
NO LONGER BE A MAJOR THREAT ACROSS THE AREA. LOCALIZED AREAS OF
PATCHY FOG MAY PERSIST NEAR BODIES OF WATER. HOWEVER ALL FOG WILL
DISSIPATE EARLY THIS AFTERNOON AS STRONG PACIFIC STORM SYSTEM
ENTERS THE REGION.

$$

IDZ008-130215-
/O.CON.KMSO.WI.Y.0021.081212T1900Z-081213T0600Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
956 AM PST FRI DEC 12 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

A STRONG PRESSURE GRADIENT WILL DEVELOP OVER THE REGION CREATING
SOUTHERLY WINDS OF 35 TO 40 MPH WITH GUSTS UP TO 50 MPH BY EARLY
AFTERNOON AND LASTING THROUGH THE EVENING. THE CAMAS PRAIRIE IS
THE PRIMARY REGION FOR THE WINDS.

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.

$$
000 
WWUS75 KMSO 130201
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
701 PM MST FRI DEC 12 2008

...STRONG SOUTHERLY WINDS WILL DEVELOP THIS EVENING OVER THE
SALMON RIVER INTO THE CAMAS PRAIRIE...

.A STRONG FRONTAL SYSTEM MOVING INTO THE REGION WILL CAUSE
THE PRESSURE GRADIENT TO TIGHTEN RESULTING IN THE DEVELOPMENT OF
STRONG SOUTHERLY WINDS. GUSTY WINDS WILL CONTINUE UNTIL THE
PASSAGE OF THE COLD FRONT LATER THIS EVENING.

IDZ007-008-130600-
/O.CON.KMSO.WI.Y.0021.000000T0000Z-081213T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
601 PM PST FRI DEC 12 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 45 MPH THIS
EVENING ARE EXPECTED. THE CAMAS PRAIRIE AND SALMON RIVER CANYON AREAS
ARE THE PRIMARY REGIONS TO BE IMPACTED BY WINDS.

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.

$$
000 
WWUS75 KMSO 130458
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
958 PM MST FRI DEC 12 2008


IDZ007-008-130600-
/O.CAN.KMSO.WI.Y.0021.000000T0000Z-081213T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
858 PM PST FRI DEC 12 2008

...WIND ADVISORY IS CANCELLED...

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

SOUTHWEST WINDS HAVE BEGUN TO DECREASE ACROSS NORTH-CENTRAL IDAHO
AND NORTHEAST OREGON THIS EVENING...THEREFORE THE WIND ADVISORY
HAS BEEN CANCELLED. EXPECT SOUTHWEST WINDS 15 TO 25 MPH TO
CONTINUE THROUGH THE REMAINDER OF TONIGHT HOWEVER.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 5:48 PM PSTDense Fog AdvisoryMSOClearwater, Idaho16 hr
Dec 12, 2:54 AM PSTWinter Storm WarningMSOClearwater, Idaho55 hr
Dec 12, 10:57 AM PSTWinter Weather AdvisoryMSOClearwater, Idaho, Lemhi40 hr

Nearby

Wind Advisories in Idaho, 2008Every wind advisory 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.