Alert archive / Idaho / High Wind Warnings in 2007

High Wind Warning 3, NWS Missoula, MT

December 1, 2007Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this high wind warning at Dec 1, 2007, 12:22 PM PST for Clearwater County, Idaho County, Idaho. It took effect at Dec 2, 2007, 4:00 AM PST. It was in force for 11 hr. 7 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
Dec 1, 2007, 12:22 PM PST (20:22 UTC)
In effect from
Dec 2, 2007, 4:00 AM PST
Expired
Dec 2, 2007, 3:08 PM PST
In force
11 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID

The radar

The Missoula radar (KMSX), 148 km from the middle of the area, began a volume at 20:20 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
Dec 2, 12:10 PM PSTHIGH SUST WINDS 20Slate Creek, ID20 MPH SUSTAINED WITH GUSTS TO 56 MPH.
Dec 2, 1:30 PM PSTBLIZZARDGrangeville, IDGRANGEVILLE PUBLIC WORKS REPORTED BLIZZARD CONDITIONS OVER GRANGEVILLE AND THE CAMAS PRAIRIE FROM 130PM TO 530PM PST. SNOW DRIFTS OF 4 TO 5 FEET CAUSED THE CLOSURE OF OAK AND EAST SOUTH 7TH STREETS.
Dec 2, 1:36 PM PSTSNOW 211 E Orofino, ID
Dec 2, 1:47 PM PSTHIGH SUST WINDS 443 Se Grangeville, ID44 MPH SUSTAINED AND GUSTS TO 66 MPH AT MT. IDAHO.
Dec 2, 1:54 PM PSTHIGH SUST WINDS 35Grangeville, ID35 MPH SUSTAINED WITH GUSTS TO 54 MPH.
Dec 2, 2:30 PM PSTBLIZZARD5 Se Grangeville, IDWEATHER SPOTTER REPORTED STRONG WINDS CAUSING BLIZZARD CONDITIONS SOUTH OF GRANGEVILLE AT 4000 FEET ELEVATION FROM 230PM TO 530 PM PST.
Dec 2, 3:00 PM PSTBLIZZARDCottonwood, IDHIGH WINDS AND REDUCED VISIBILITIES IN SNOW BEGAN AROUND 2PM PST.

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

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 8.4 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 2007-12-01Temperature 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 2007-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
999 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
138 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 012022
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
122 PM MST SAT DEC 1 2007

.A VERY TIGHT SOUTHERLY SURFACE PRESSURE GRADIENT COUPLED WITH
HIGH MOMENTUM WINDS JUST ABOVE RIDGETOP LEVEL WILL CREATE VERY
WINDY CONDITIONS FOR THE LOWER VALLEYS OF WESTERN IDAHO COUNTY
BEGINNING SUNDAY MORNING AND LASTING THROUGH MONDAY NIGHT. CONDITIONS
WILL BE FAVORABLE FOR DOWNSLOPING WINDS IN THE GRANGEVILLE AREA
WHERE STRONGEST WIND GUSTS ARE EXPECTED TO OCCUR.

IDZ007-008-020400-
/O.UPG.KMSO.WI.Y.0018.071202T1800Z-071204T1200Z/
/O.NEW.KMSO.HW.W.0003.071202T1200Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1222 PM PST SAT DEC 1 2007

...HIGH WIND WARNING IN EFFECT FROM 4 AM SUNDAY TO 10 PM PST
MONDAY...
...WIND ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 AM SUNDAY TO 10 PM PST
MONDAY. THE WIND ADVISORY IS NO LONGER IN EFFECT. 

SUSTAINED SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO NEAR 65 MPH
ARE EXPECTED SUNDAY AND MONDAY. AREAS IMPACTED BY THIS EVENT WILL
BE THE CAMAS PRAIRIE AND AREAS ALONG THE US HIGHWAY 95 CORRIDOR
BETWEEN GRANGEVILLE AND RIGGINS.

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

$$
5 follow-up statements
000 
WWUS75 KMSO 020359
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
859 PM MST SAT DEC 1 2007

.A VERY TIGHT SOUTHERLY SURFACE PRESSURE GRADIENT COUPLED WITH
HIGH MOMENTUM WINDS JUST ABOVE RIDGETOP LEVEL WILL CREATE VERY
WINDY CONDITIONS FOR THE LOWER VALLEYS OF WESTERN IDAHO COUNTY
BEGINNING SUNDAY MORNING AND LASTING THROUGH MONDAY NIGHT.
CONDITIONS WILL BE FAVORABLE FOR DOWNSLOPING WINDS IN THE
GRANGEVILLE AREA WHERE STRONGEST WIND GUSTS ARE EXPECTED TO
OCCUR.

IDZ007-008-021300-
/O.CON.KMSO.HW.W.0003.071202T1200Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
759 PM PST SAT DEC 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO 10 PM
PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO 10 PM
PST MONDAY. 

SUSTAINED SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO NEAR 65 MPH
ARE EXPECTED SUNDAY AND MONDAY. AREAS IMPACTED BY THIS EVENT WILL
BE THE CAMAS PRAIRIE AND AREAS ALONG THE US HIGHWAY 95 CORRIDOR
BETWEEN GRANGEVILLE AND RIGGINS.

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

$$
000 
WWUS75 KMSO 021012
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
312 AM MST SUN DEC 2 2007

.A PROLONGED PERIOD OF STRONG WINDS IS EXPECTED FOR THE
GRANGEVILLE AREA AND SOUTH TO NORTH ORIENTED VALLEYS OF WESTERN
IDAHO COUNTY. A VERY TIGHT SOUTHERLY SURFACE PRESSURE GRADIENT
COUPLED WITH HIGH MOMENTUM WINDS JUST ABOVE RIDGETOP LEVEL WILL
CREATE VERY WINDY CONDITIONS TODAY AND CONTINUING THROUGH MONDAY
EVENING.

IDZ007-008-022200-
/O.CON.KMSO.HW.W.0003.071202T1200Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
212 AM PST SUN DEC 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY. 

SUSTAINED SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO NEAR 60 MPH
ARE EXPECTED TODAY THROUGH MONDAY EVENING. AREAS IMPACTED BY THIS
EVENT WILL BE THE CAMAS PRAIRIE AND AREAS ALONG THE US HIGHWAY 95
CORRIDOR BETWEEN GRANGEVILLE AND RIGGINS.

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

$$
000 
WWUS75 KMSO 021742
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1042 AM MST SUN DEC 2 2007

.A PROLONGED PERIOD OF STRONG WINDS IS EXPECTED FOR THE
GRANGEVILLE AREA AND SOUTH TO NORTH ORIENTED VALLEYS OF WESTERN
IDAHO COUNTY. A VERY TIGHT SOUTHERLY SURFACE PRESSURE GRADIENT
COUPLED WITH HIGH MOMENTUM WINDS JUST ABOVE RIDGETOP LEVEL WILL
CREATE VERY WINDY CONDITIONS TODAY AND CONTINUING THROUGH MONDAY
EVENING.

IDZ007-008-030600-
/O.CON.KMSO.HW.W.0003.000000T0000Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
942 AM PST SUN DEC 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY. 

SUSTAINED SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO NEAR 60 MPH
ARE EXPECTED TODAY THROUGH MONDAY EVENING. AREAS IMPACTED BY THIS
EVENT WILL BE THE CAMAS PRAIRIE AND AREAS ALONG THE US HIGHWAY
95 CORRIDOR BETWEEN GRANGEVILLE AND RIGGINS.

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

$$

MTZ007-030600-
/O.NEW.KMSO.WI.Y.0019.071202T1742Z-071203T0600Z/
BUTTE/BLACKFOOT REGION-
1042 AM MST SUN DEC 2 2007

...WIND ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. 

SUSTAINED SOUTHERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 45 MPH ARE
EXPECTED ALONG THE INTERSTATE 90 CORRIDOR BETWEEN ROCKER AND DEER
LODGE...AND ALSO ALONG THE US HIGHWAY 12 CORRIDOR BETWEEN GARRISON
JUNCTION AND MCDONALD PASS. ANACONDA WILL ALSO BE IMPACTED BY THIS
EVENT.

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 022032
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
132 PM MST SUN DEC 2 2007

.A PROLONGED PERIOD OF STRONG WINDS IS EXPECTED FOR THE
GRANGEVILLE AREA AND SOUTH TO NORTH ORIENTED VALLEYS OF WESTERN
IDAHO COUNTY. A VERY TIGHT SOUTHERLY SURFACE PRESSURE GRADIENT
COUPLED WITH HIGH MOMENTUM WINDS JUST ABOVE RIDGETOP LEVEL WILL
CREATE VERY WINDY CONDITIONS TODAY AND CONTINUING THROUGH MONDAY
EVENING.

MTZ007-022145-
/O.CAN.KMSO.WI.Y.0019.000000T0000Z-071203T0600Z/
BUTTE/BLACKFOOT REGION-
132 PM MST SUN DEC 2 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
ADVISORY. WINDS ACROSS THE AREA HAVE DIMINISHED TO BE BELOW
ADVISORY LEVELS. HOWEVER...BREEZY CONDITIONS WILL PERSIST THROUGH THE
OVERNIGHT HOURS TONIGHTS.

$$

IDZ007-008-030600-
/O.CON.KMSO.HW.W.0003.000000T0000Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1232 PM PST SUN DEC 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST MONDAY. 

SUSTAINED SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO NEAR 60 MPH
ARE EXPECTED TODAY THROUGH MONDAY EVENING. AREAS IMPACTED BY THIS
EVENT WILL BE THE CAMAS PRAIRIE AND AREAS ALONG THE US HIGHWAY
95 CORRIDOR BETWEEN GRANGEVILLE AND RIGGINS.

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

$$
000 
WWUS75 KMSO 022308
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
408 PM MST SUN DEC 2 2007



IDZ007-008-030000-
/O.CAN.KMSO.HW.W.0003.000000T0000Z-071204T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
258 PM PST SUN DEC 2 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CONVERTED THE HIGH
WIND WARNING THAT WAS PREVIOUSLY IN EFFECT TO A BLIZZARD WARNING.
.
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 2:15 AM PSTWind AdvisoryMSOClearwater, Idaho10 hr
Dec 1, 12:58 PM PSTHeavy Snow WarningMSOClearwater, Idaho48 hr

Nearby

High Wind Warnings in Idaho, 2007Every high wind warning in 2007

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.