Alert archive / Idaho / Wind Advisories in 2012
Wind Advisory 28, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Dec 1, 2012, 1:05 PM PST for Clearwater County, Idaho County, Idaho. It took effect at Dec 2, 2012, 1:00 AM PST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 1, 2012, 1:05 PM PST (21:05 UTC)
- In effect from
- Dec 2, 2012, 1:00 AM PST
- Expired
- Dec 2, 2012, 11:07 AM PST
- In force
- 10 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 21:04 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, 9.1 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
- 1152 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
555 WWUS75 KMSO 012105 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 205 PM MST SAT DEC 1 2012 IDZ007-008-020515- /O.NEW.KMSO.WI.Y.0028.121202T0900Z-121202T2100Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 105 PM PST SAT DEC 1 2012 ...WIND ADVISORY IN EFFECT FROM 1 AM TO 1 PM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 1 PM PST SUNDAY. * IMPACTS/TIMING:STRONG SOUTHERLY WINDS WILL DEVELOP LATE TONIGHT AND APPROACH ADVISORY LEVELS BY MID SUNDAY MORNING. WINDS ARE ANTICIPATED TO DIMINISH BELOW ADVISORY LEVELS BY SUNDAY AFTERNOON. 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 BY SUNDAY MORNING * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...GREER GRADE...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. && $$
3 follow-up statements
856 WWUS75 KMSO 020342 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 842 PM MST SAT DEC 1 2012 IDZ007-008-022100- /O.CON.KMSO.WI.Y.0028.121202T0900Z-121202T2100Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 742 PM PST SAT DEC 1 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM PST SUNDAY... A WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM PST SUNDAY. * IMPACTS/TIMING:STRONG SOUTHERLY WINDS WILL DEVELOP AND APPROACH ADVISORY LEVELS BY MID SUNDAY MORNING. WINDS ARE ANTICIPATED TO DIMINISH BELOW ADVISORY LEVELS BY SUNDAY AFTERNOON. HIGH PROFILE VEHICLES AND SEMI TRUCKS WILL EXPERIENCE DIFFICULT DRIVING CONDITIONS DURING THIS PERIOD. * WINDS: SOUTH WINDS SUSTAINED BETWEEN 25 AND 35 MPH WITH GUSTS TO 50 MPH BY SUNDAY MORNING * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS... WHITE BIRD GRADE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
820 WWUS75 KMSO 021052 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 352 AM MST SUN DEC 2 2012 IDZ007-008-022100- /O.CON.KMSO.WI.Y.0028.000000T0000Z-121202T2100Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 252 AM PST SUN DEC 2 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. * IMPACTS/TIMING:STRONG SOUTHERLY WINDS WILL DEVELOP BY MID MORNING. WINDS ARE EXPECTED TO BECOME MORE SOUTHWEST AND DECREASE IN SPEEDS BY EARLY AFTERNOON. 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 BY MID MORNING * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...GREER GRADE...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. && $$
563 WWUS75 KMSO 021907 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1207 PM MST SUN DEC 2 2012 IDZ007-008-022015- /O.CAN.KMSO.WI.Y.0028.000000T0000Z-121202T2100Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1107 AM PST SUN DEC 2 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. THE COLD FRONT HAS MOVED INTO NORTH CENTRAL IDAHO THIS MORNING CAUSING THE WINDS TO BECOME WESTERLY...SO THE THREAT OF STRONG SOUTHERLY WINDS HAVE DIMINISHED. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 11:07 AM PST | Winter Storm Warning | MSO | Clearwater, Idaho, Lemhi | 31 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.