Alert archive / Idaho / Wind Advisories in 2009
Wind Advisory 7, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Feb 23, 2009, 3:28 PM PST for Clearwater County, Idaho County, Idaho. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2009, 3:28 PM PST (23:28 UTC)
- Expired
- Feb 24, 2009, 3:06 AM PST
- In force
- 12 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 23:32 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 12:00Z, 11.5 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 459 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KMSO 232328 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 428 PM MST MON FEB 23 2009 ...GUSTY WINDS TO IMPACT HIGH CAMP AND GRANGEVILLE THIS EVENING... .AN APPROACHING WEATHER SYSTEM AND ASSOCIATED COOL FRONT WILL INCREASE WINDS OVER THE CAMAS PRAIRIE THIS EVENING...SPECIFICALLY LOCATIONS ALONG AND SOUTH OF HIGHWAY 12. ONCE THE FRONT PASSES...WINDS WILL BECOME WESTERLY AND REMAIN BREEZY...BUT GUSTS SHOULD REDUCE IN SPEED. IDZ007-240600- /O.NEW.KMSO.WI.Y.0007.090223T2328Z-090224T0600Z/ OROFINO/GRANGEVILLE REGION- 328 PM PST MON FEB 23 2009 ...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM PST THIS EVENING. STRONG SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL BE COMMON THIS EVENING OVER THE CAMAS PRAIRIE...SPECIFICALLY LOCATIONS ALONG AND SOUTH OF HIGHWAY 12. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
2 follow-up statements
000 WWUS75 KMSO 240549 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1049 PM MST MON FEB 23 2009 ...GUSTY WINDS TO IMPACT HIGH CAMP AND GRANGEVILLE OVERNIGHT... .AN APPROACHING WEATHER SYSTEM AND ASSOCIATED COLD FRONT WILL CONTINUE TO KEEP GUSTY CONDITIONS OVER THE CAMAS PRAIRIE THROUGH TUESDAY MORNING...SPECIFICALLY LOCATIONS ALONG AND SOUTH OF HIGHWAY 12. ONCE THE FRONT PASSES... WINDS WILL BECOME WESTERLY AND REMAIN BREEZY...BUT GUSTS SHOULD REDUCE IN SPEED. IDZ007-241200- /O.EXT.KMSO.WI.Y.0007.000000T0000Z-090224T1200Z/ OROFINO/GRANGEVILLE REGION- 949 PM PST MON FEB 23 2009 ...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM PST TUESDAY... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 4 AM PST TUESDAY. STRONG SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL CONTINUE OVER THE CAMAS PRAIRIE THROUGH TUESDAY MORNING...SPECIFICALLY LOCATIONS ALONG AND SOUTH OF HIGHWAY 12. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
000 WWUS75 KMSO 241106 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 406 AM MST TUE FEB 24 2009 IDZ007-241215- /O.CAN.KMSO.WI.Y.0007.000000T0000Z-090224T1200Z/ OROFINO/GRANGEVILLE REGION- 306 AM PST TUE FEB 24 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. SURFACE WINDS IN THE GRANGEVILLE AREA HAVE WEAKENED CONSIDERABLY DURING PAST SEVERAL HOURS AS THE SURFACE PRESSURE GRADIENT HAS SHIFTED EAST AND WINDS BECOME WESTERLY AHEAD OF A PACIFIC STORM SYSTEM. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 1:36 PM PST | Winter Weather Advisory | MSO | Idaho | 27 hr |
Nearby
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.