Alert archive / Idaho / Wind Advisories in 2007

Wind Advisory 22, NWS Missoula, MT

December 30, 2007Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this wind advisory at Dec 30, 2007, 2:16 AM PST for Clearwater County, Idaho County, Idaho. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2007, 2:16 AM PST (10:16 UTC)
Expired
Dec 30, 2007, 6:35 AM PST
In force
4 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 10:21 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 00:00Z, 10.3 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 00:00Z on 2007-12-30Temperature 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, Spokane, WA at 00:00Z on 2007-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.1939587897117136156175Sfc1 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
771 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
202 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 301016
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
316 AM MST SUN DEC 30 2007


IDZ007-301800-
/O.NEW.KMSO.WI.Y.0022.071230T1016Z-071230T1800Z/
OROFINO/GRANGEVILLE REGION-
216 AM PST SUN DEC 30 2007

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

TIGHT SOUTHWESTERLY PRESSURE GRADIENTS WILL CREATE SUSTAINED
SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH
THROUGH 10 AM. AREAS IMPACTED WILL BE THE CAMAS PRAIRIE BETWEEN
GRANGEVILLE AND COTTONWOOD.

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

$$
1 follow-up statement
000 
WWUS75 KMSO 301435
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
735 AM MST SUN DEC 30 2007


IDZ007-301545-
/O.CAN.KMSO.WI.Y.0022.000000T0000Z-071230T1800Z/
OROFINO/GRANGEVILLE REGION-
635 AM PST SUN DEC 30 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
ADVISORY. GUSTY WINDS ARE EXPECTED TO CONTINUE TODAY...BUT WILL
GRADUALLY DECREASE AS HIGH PRESSURE BUILD OVER THE AREA.

$$

Nearby

Wind Advisories in Idaho, 2007Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.