Alert archive / Idaho / Wind Advisories in 2007

Wind Advisory 10, NWS Missoula, MT

August 19, 2007Lemhi County, Idaho

NWS Missoula, MT issued this wind advisory at Aug 19, 2007, 4:53 PM MDT for Lemhi County, Idaho. It took effect at Aug 19, 2007, 5:00 PM MDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 2007, 4:53 PM MDT (22:53 UTC)
In effect from
Aug 19, 2007, 5:00 PM MDT
Expired
Aug 19, 2007, 8:41 PM MDT
In force
4 hr
Issued by
NWS Missoula, MT

County Lemhi County, ID

The radar

The Pocatello radar (KSFX), 227 km from the middle of the area, began a volume at 22:53 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.9 hours before the alert went out and 236 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, Boise Airport, ID at 12:00Z on 2007-08-19Temperature 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, Boise Airport, ID at 12:00Z on 2007-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.19395878Sfc1 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
4910 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
131 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 192253
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
453 PM MDT SUN AUG 19 2007

IDZ009-010-200400-
/O.NEW.KMSO.WI.Y.0010.070819T2300Z-070820T0400Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
453 PM MDT SUN AUG 19 2007

...WIND ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM MDT THIS EVENING. 

STRONG WINDS ASSOCIATED WITH A PASSING COLD FRONT WILL CONTINUE
INTO THE EVENING HOURS. WIND GUSTS UP TO 50 MPH ARE EXPECTED.

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 200241
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
841 PM MDT SUN AUG 19 2007



IDZ009-010-200345-
/O.CAN.KMSO.WI.Y.0010.000000T0000Z-070820T0400Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
841 PM MDT SUN AUG 19 2007

...WIND ADVISORY IS CANCELLED...

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

GUSTY WINDS CONTINUE OVER LEMHI COUNTY...BUT HAVE RELAXED ENOUGH
TO CANCEL THE WIND ADVISORY THIS EVENING.



$$

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.