Alert archive / Idaho / High Wind Warnings in 2012
High Wind Warning 6, NWS Missoula, MT
NWS Missoula, MT issued this high wind warning at Nov 19, 2012, 8:31 AM PST for Clearwater County, Idaho County, Idaho. It was in force for 25 hr. 2 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
- Nov 19, 2012, 8:31 AM PST (16:31 UTC)
- Expired
- Nov 20, 2012, 10:00 AM PST
- In force
- 25 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 16:34 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 19, 8:15 PM PST | NON-TSTM WND GST 54 | Grangeville, ID | SUSTAINED 43 MPH |
| Nov 20, 5:15 AM PST | NON-TSTM WND GST 70 | 4 S Grangeville, ID | 6110 FEET |
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, 4.5 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
- 0 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 305 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
867 WWUS75 KMSO 191631 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 931 AM MST MON NOV 19 2012 ...A STRONG SURFACE GRADIENT OVER WEST CENTRAL IDAHO IS PRODUCING STRONG SOUTHERLY WINDS... IDZ007-008-200415- /O.UPG.KMSO.WI.Y.0027.000000T0000Z-121121T1500Z/ /O.NEW.KMSO.HW.W.0006.121119T1631Z-121120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 831 AM PST MON NOV 19 2012 ...HIGH WIND WARNING IN EFFECT UNTIL 10 AM PST TUESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... WHICH IS IN EFFECT UNTIL 10 AM PST TUESDAY. THE WIND ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL INCREASE DURING THE DAY TODAY...WITH THE STRONGEST WINDS EXPECTED BETWEEN 4 PM PST TO 10 PM PST. WINDS WILL DECREASE A BIT TUESDAY...BUT WILL REMAIN QUITE STRONG AND GUSTY. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS TO 50 MPH INTO TUESDAY. HOWEVER...WINDS WILL BE PEAKING LATER THIS AFTERNOON THROUGH THE EVENING SUSTAINED 30 TO 40 MPH WITH GUSTS UP TO 65 MPH. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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 50 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
3 follow-up statements
445 WWUS75 KMSO 200408 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 908 PM MST MON NOV 19 2012 ...A STRONG SURFACE GRADIENT OVER WEST CENTRAL IDAHO IS PRODUCING STRONG SOUTHERLY WINDS... IDZ007-008-201215- /O.CON.KMSO.HW.W.0006.000000T0000Z-121120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 808 PM PST MON NOV 19 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... A HIGH WIND WARNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95 REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL CONTINUE TO INCREASE THROUGHOUT THE NIGHT. ALTHOUGH WINDS WILL DECREASE A BIT TUESDAY...THEY WILL REMAIN QUITE STRONG AND GUSTY. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS TO AROUND 50 MPH INTO TUESDAY. GUSTS APPROACHING 65 MPH ARE STILL POSSIBLE OVERNIGHT INTO EARLY TUESDAY MORNING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 50 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
245 WWUS75 KMSO 201156 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 456 AM MST TUE NOV 20 2012 ...A STRONG SURFACE GRADIENT OVER WEST CENTRAL IDAHO IS PRODUCING STRONG SOUTHERLY WINDS... IDZ007-008-201800- /O.CON.KMSO.HW.W.0006.000000T0000Z-121120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 356 AM PST TUE NOV 20 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... A HIGH WIND WARNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95 REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL CONTINUE THROUGH THIS MORNING. ALTHOUGH WINDS WILL DECREASE THIS MORNING...THEY WILL REMAIN QUITE STRONG AND GUSTY DURING THE EARLY MORNING HOURS. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS TO AROUND 55 MPH. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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 55 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
276 WWUS75 KMSO 201745 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1045 AM MST TUE NOV 20 2012 IDZ007-008-201845- /O.EXP.KMSO.HW.W.0006.000000T0000Z-121120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 945 AM PST TUE NOV 20 2012 ...HIGH WIND WARNING WILL EXPIRE AT 10 AM PST THIS MORNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... THE HIGH WIND WARNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95 WILL EXPIRE AT 10 AM PST THIS MORNING. * LOCAL WINDY CONDITIONS WILL CONTINUE THROUGH AT LEAST MIDDAY WEDNESDAY. DAMAGING WINDS ARE NOT EXPECTED. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$
Nearby
High Wind Warnings in Idaho, 2012Every high wind warning in 2012
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.