Alert archive / Idaho / Wind Advisories in 2012
Wind Advisory 27, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Nov 18, 2012, 7:40 AM PST for Clearwater County, Idaho County, Idaho. It took effect at Nov 19, 2012, 1:00 AM PST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 18, 2012, 7:40 AM PST (15:40 UTC)
- In effect from
- Nov 19, 2012, 1:00 AM PST
- Expired
- Nov 19, 2012, 8:31 AM PST
- In force
- 8 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 15:41 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, 3.7 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
- 983 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
807 WWUS75 KMSO 181540 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 840 AM MST SUN NOV 18 2012 ...A STRONG SURFACE GRADIENT WILL DEVELOP OVER WEST CENTRAL IDAHO TUESDAY EVENING PRODUCING STRONG SOUTHERLY DOWN SLOPING WINDS... IDZ007-008-191200- /O.NEW.KMSO.WI.Y.0027.121119T0900Z-121121T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 740 AM PST SUN NOV 18 2012 ...WIND ADVISORY IN EFFECT FROM 1 AM MONDAY TO 7 AM PST WEDNESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... WHICH IS IN EFFECT FROM 1 AM MONDAY TO 7 AM PST WEDNESDAY. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL DEVELOP TONIGHT...MAY APPROACH ADVISORY LEVELS BY EARLY MONDAY MORNING WHICH WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL DIMINISH BELOW ADVISORY LEVELS FOR THE REMAINDER OF THE TUESDAY BUT THEN RETURN BY TUESDAY NIGHT ENDING BY EARLY WEDNESDAY MORNING. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED BETWEEN 25 AND 35 MPH WITH GUSTS TO 50 MPH MONDAY MORNING THROUGH TUESDAY MORNING AND ALSO TUESDAY NIGHT. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH TUESDAY AFTERNOON AND EVENING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$
3 follow-up statements
548 WWUS75 KMSO 181725 CCA NPWMSO URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 1024 AM MST SUN NOV 18 2012 ...A STRONG SURFACE GRADIENT WILL DEVELOP OVER WEST CENTRAL IDAHO EARLY MONDAY MORNING PRODUCING STRONG SOUTHERLY DOWN SLOPING WINDS... IDZ007-008-191400- /O.NEW.KMSO.WI.Y.0027.121119T0900Z-121121T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 924 AM PST SUN NOV 18 2012 ...WIND ADVISORY IN EFFECT FROM 1 AM MONDAY TO 7 AM PST WEDNESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... WHICH IS IN EFFECT FROM 1 AM MONDAY TO 7 AM PST WEDNESDAY. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL DEVELOP TONIGHT...MAY APPROACH ADVISORY LEVELS BY EARLY MONDAY MORNING WHICH WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL DIMINISH BELOW ADVISORY LEVELS FOR THE REMAINDER OF THE TUESDAY BUT THEN RETURN BY TUESDAY NIGHT ENDING BY EARLY WEDNESDAY MORNING. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED BETWEEN 25 AND 35 MPH WITH GUSTS TO 50 MPH MONDAY MORNING THROUGH TUESDAY MORNING AND ALSO TUESDAY NIGHT. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH TUESDAY AFTERNOON AND EVENING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
147 WWUS75 KMSO 191221 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 521 AM MST MON NOV 19 2012 ...A STRONG SURFACE GRADIENT WILL DEVELOP OVER WEST CENTRAL IDAHO EARLY THIS MORNING PRODUCING STRONG SOUTHERLY WINDS... IDZ007-008-192200- /O.CON.KMSO.WI.Y.0027.000000T0000Z-121121T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 421 AM PST MON NOV 19 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST WEDNESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... A WIND ADVISORY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95 REMAINS IN EFFECT UNTIL 7 AM PST WEDNESDAY. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL DIMINISH BELOW ADVISORY LEVELS FOR THE REMAINDER OF THE TUESDAY BUT THEN RETURN BY TUESDAY NIGHT ENDING BY EARLY WEDNESDAY MORNING. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED BETWEEN 25 AND 35 MPH WITH GUSTS TO 50 MPH THIS MORNING THROUGH TUESDAY MORNING AND ALSO TUESDAY NIGHT. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH TUESDAY AFTERNOON AND EVENING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$
867 WWUS75 KMSO 191631 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 931 AM MST MON NOV 19 2012 ...A STRONG SURFACE GRADIENT OVER WEST CENTRAL IDAHO IS PRODUCING STRONG SOUTHERLY WINDS... IDZ007-008-200415- /O.UPG.KMSO.WI.Y.0027.000000T0000Z-121121T1500Z/ /O.NEW.KMSO.HW.W.0006.121119T1631Z-121120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 831 AM PST MON NOV 19 2012 ...HIGH WIND WARNING IN EFFECT UNTIL 10 AM PST TUESDAY FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING FOR THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95... WHICH IS IN EFFECT UNTIL 10 AM PST TUESDAY. THE WIND ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: STRONG SOUTHERLY WINDS WILL CONTINUE THROUGH AT LEAST TUESDAY MORNING. WINDS WILL INCREASE DURING THE DAY TODAY...WITH THE STRONGEST WINDS EXPECTED BETWEEN 4 PM PST TO 10 PM PST. WINDS WILL DECREASE A BIT TUESDAY...BUT WILL REMAIN QUITE STRONG AND GUSTY. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS TO 50 MPH INTO TUESDAY. HOWEVER...WINDS WILL BE PEAKING LATER THIS AFTERNOON THROUGH THE EVENING SUSTAINED 30 TO 40 MPH WITH GUSTS UP TO 65 MPH. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 50 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
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.