Alert archive / Idaho / High Wind Warnings in 2009
High Wind Warning 2, NWS Missoula, MT
NWS Missoula, MT issued this high wind warning at May 19, 2009, 2:47 PM MDT for Lemhi County, Idaho. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 19, 2009, 2:47 PM MDT (20:47 UTC)
- Expired
- May 19, 2009, 8:20 PM MDT
- In force
- 6 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 20:50 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, 8.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3696 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -70 m²/s²
- 0-3 km storm-relative helicity
- -35 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 192047 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 247 PM MDT TUE MAY 19 2009 ...WINDY ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA TODAY... .AN INCREASED PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT AND UNSTABLE CONDITIONS WILL ALLOW STRONG WINDS TO MIX TO THE SURFACE THIS AFTERNOON ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA. MAIN AREAS IMPACTED WILL BE LEMHI COUNTY...THE SOUTHERN BITTERROOT AND SAPPHIRE MOUNTAINS AND FROM PHILIPSBURG TO MCDONALD PASS AND LOCATIONS SOUTH...INCLUDING ANACONDA AND BUTTE. THE WINDS WILL DECREASE LATER THIS EVENING AFTER THE PASSAGE OF THE COLD FRONT. IDZ010-200300- /O.UPG.KMSO.WI.Y.0014.000000T0000Z-090520T0300Z/ /O.NEW.KMSO.HW.W.0002.090519T2047Z-090520T0300Z/ EASTERN LEMHI COUNTY- 247 PM MDT TUE MAY 19 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 9 PM MDT THIS EVENING. THE WIND ADVISORY IS NO LONGER IN EFFECT. SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. A FEW LOCATIONS IN NARROW CANYONS COULD SEE GUSTS UP TO 80 MPH. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ IDZ009-MTZ006-007-200300- /O.CON.KMSO.WI.Y.0014.000000T0000Z-090520T0300Z/ WESTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- 247 PM MDT TUE MAY 19 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
3 follow-up statements
000 WWUS75 KMSO 192115 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 315 PM MDT TUE MAY 19 2009 ...WINDY ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA TODAY... .AN INCREASED PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT AND UNSTABLE CONDITIONS WILL ALLOW STRONG WINDS TO MIX TO THE SURFACE THIS AFTERNOON ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA. MAIN AREAS IMPACTED WILL BE LEMHI COUNTY...THE SOUTHERN BITTERROOT AND SAPPHIRE MOUNTAINS AND FROM PHILIPSBURG TO MCDONALD PASS AND LOCATIONS SOUTH...INCLUDING ANACONDA AND BUTTE. THE WINDS WILL DECREASE LATER THIS EVENING AFTER THE PASSAGE OF THE COLD FRONT. IDZ010-200300- /O.CON.KMSO.HW.W.0002.000000T0000Z-090520T0300Z/ EASTERN LEMHI COUNTY- 315 PM MDT TUE MAY 19 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. A FEW LOCATIONS IN NARROW CANYONS COULD SEE GUSTS UP TO 80 MPH. A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ MTZ005-200100- /O.EXB.KMSO.WI.Y.0014.000000T0000Z-090520T0100Z/ MISSOULA/BITTERROOT VALLEYS- 315 PM MDT TUE MAY 19 2009 ...WIND ADVISORY IN EFFECT UNTIL 7 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM MDT THIS EVENING. WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED DOWN THE BITTERROOT VALLEY. THE BITTERROOT VALLEY WILL BE EXPERIENCING DOWNSLOPING WINDS OFF THE BITTERROOT RANGE. A FEW NARROW CANYON LOCATIONS OUT OF THE BITTERROOTS COULD SEE GUSTS UP TO 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IDZ009-MTZ006-007-200300- /O.CON.KMSO.WI.Y.0014.000000T0000Z-090520T0300Z/ WESTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- 315 PM MDT TUE MAY 19 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
000 WWUS75 KMSO 200037 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 637 PM MDT TUE MAY 19 2009 ...WINDY ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA TODAY... .AN INCREASED PRESSURE GRADIENT DUE TO A PASSING COLD FRONT AND UNSTABLE CONDITIONS WILL ALLOW STRONG WINDS TO MIX TO THE SURFACE THIS EVENING ACROSS LEMHI COUNTY AND SOUTHWEST MONTANA. MAIN AREAS IMPACTED WILL BE LEMHI COUNTY...THE SOUTHERN BITTERROOT AND SAPPHIRE MOUNTAINS AND FROM PHILIPSBURG TO MCDONALD PASS AND LOCATIONS SOUTH...INCLUDING ANACONDA AND BUTTE. THE WINDS WILL DECREASE LATER THIS EVENING AFTER THE PASSAGE OF THE COLD FRONT. MTZ005-200145- /O.CAN.KMSO.WI.Y.0014.000000T0000Z-090520T0100Z/ MISSOULA/BITTERROOT VALLEYS- 637 PM MDT TUE MAY 19 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DECREASED SIGNIFICANTLY BEHIND THE COLD FRONT THIS EVENING...SO THE WIND ADVISORY HAS BEEN CANCELLED. WEST WINDS WILL CONTINUE THROUGH THE REST OF THE EVENING BETWEEN 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE BITTERROOT VALLEY BUT WILL REMAIN BELOW ADVISORY LEVELS. $$ IDZ010-200300- /O.CON.KMSO.HW.W.0002.000000T0000Z-090520T0300Z/ EASTERN LEMHI COUNTY- 637 PM MDT TUE MAY 19 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. A FEW LOCATIONS IN NARROW CANYONS COULD SEE GUSTS UP TO 80 MPH. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ IDZ009-MTZ006-007-200300- /O.CON.KMSO.WI.Y.0014.000000T0000Z-090520T0300Z/ WESTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- 637 PM MDT TUE MAY 19 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
000 WWUS75 KMSO 200220 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 820 PM MDT TUE MAY 19 2009 IDZ010-200330- /O.CAN.KMSO.HW.W.0002.000000T0000Z-090520T0300Z/ EASTERN LEMHI COUNTY- 820 PM MDT TUE MAY 19 2009 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HIGH WIND WARNING. $$ IDZ009-MTZ006-007-200330- /O.CAN.KMSO.WI.Y.0014.000000T0000Z-090520T0300Z/ WESTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- 820 PM MDT TUE MAY 19 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 8:43 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 22 min |
| May 18, 10:48 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater | 27 min |
| May 19, 4:10 AM MDT | Wind Advisory | MSO | Lemhi | 16 hr |
| May 19, 9:40 AM MDT | River Flood Watch | MSO | Idaho | 21 hr |
Nearby
High Wind Warnings in Idaho, 2009Every high wind warning in 2009
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.