Alert archive / Montana / Wind Advisories in 2012
Wind Advisory 24, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Oct 1, 2012, 4:50 AM MDT for Flathead County, Lake County, Montana. It took effect at Oct 1, 2012, 12:00 PM MDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Oct 1, 2012, 4:50 AM MDT (10:50 UTC)
- In effect from
- Oct 1, 2012, 12:00 PM MDT
- Expired
- Oct 1, 2012, 10:29 PM MDT
- In force
- 10 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 10.8 hours before the alert went out and 177 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
- 2826 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
521 WWUS75 KMSO 011050 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 450 AM MDT MON OCT 1 2012 MTZ002-012100- /O.NEW.KMSO.WI.Y.0024.121001T1800Z-121002T0600Z/ WEST GLACIER REGION- 450 AM MDT MON OCT 1 2012 ...WIND ADVISORY ABOVE 6000 FEET IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT. * IMPACTS/TIMING: WEST WINDS DEVELOPING THIS AFTERNOON ACROSS GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH WINDS WILL PERSIST THROUGH MIDNIGHT. HIGH PROFILE VEHICLES WILL LIKELY HAVE DIFFICULTY TRAVELING OVER LOGAN PASS. * WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS OF 50 TO 60 MPH POSSIBLE ABOVE 6000 FEET...ESPECIALLY THROUGH LOGAN PASS. * LOCATIONS IMPACTED INCLUDE...MARIAS PASS...GOING TO THE SUN ROAD AND LOGAN PASS. 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. && $$ MTZ003-012100- /O.NEW.KMSO.LW.Y.0009.121002T1800Z-121003T0300Z/ FLATHEAD/MISSION VALLEYS- 450 AM MDT MON OCT 1 2012 ...LAKE WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY. * IMPACTS/TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL AFFECT FLATHEAD LAKE TUESDAY CAUSING CHOPPY CONDITIONS. * WINDS: WEST 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH AT TIMES. * WAVE HEIGHTS: 2 TO 4 FEET. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$
2 follow-up statements
781 WWUS75 KMSO 011658 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1058 AM MDT MON OCT 1 2012 MTZ003-020600- /O.EXT.KMSO.LW.Y.0009.121002T1800Z-121003T1500Z/ FLATHEAD/MISSION VALLEYS- 1058 AM MDT MON OCT 1 2012 ...LAKE WIND ADVISORY NOW IN EFFECT FROM NOON TUESDAY TO 9 AM MDT WEDNESDAY... THE LAKE WIND ADVISORY IS NOW IN EFFECT FROM NOON TUESDAY TO 9 AM MDT WEDNESDAY. * IMPACTS/TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL AFFECT FLATHEAD LAKE ON TUESDAY. WINDS WILL DECREASE BRIEFLY TUESDAY EVENING BEFORE BECOMING NORTHERLY TUESDAY NIGHT THROUGH WEDNESDAY MORNING. CHOPPY CONDITIONS SHOULD BE EXPECTED WITH MAIN IMPACTS ON THE EAST SHORES TUESDAY AND THEN THE SOUTH SHORES TUESDAY NIGHT AND WEDNESDAY. * WINDS: WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH AT TIMES. * WAVE HEIGHTS: 2 TO 4 FEET. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$ MTZ002-020600- /O.CON.KMSO.WI.Y.0024.121001T1800Z-121002T0600Z/ WEST GLACIER REGION- 1058 AM MDT MON OCT 1 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * IMPACTS/TIMING: WEST WINDS WILL DEVELOP THIS AFTERNOON ACROSS GLACIER NATIONAL PARK ABOVE 6000 FEET. HIGH WINDS WILL PERSIST THROUGH MIDNIGHT. HIGH PROFILE VEHICLES WILL LIKELY HAVE DIFFICULTY TRAVELING OVER LOGAN PASS. * WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS OF 50 TO 60 MPH ARE POSSIBLE ABOVE 6000 FEET...ESPECIALLY THROUGH LOGAN PASS. * LOCATIONS IMPACTED INCLUDE...MARIAS PASS...LOGAN PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
001 WWUS75 KMSO 020429 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1029 PM MDT MON OCT 1 2012 MTZ002-020530- /O.CAN.KMSO.WI.Y.0024.000000T0000Z-121002T0600Z/ WEST GLACIER REGION- 1029 PM MDT MON OCT 1 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DECREASED TO BELOW ADVISORY CONDITIONS THUS THE WIND ADVISORY HAS BEEN CANCELLED. $$ MTZ003-021200- /O.CON.KMSO.LW.Y.0009.121002T1800Z-121003T1500Z/ FLATHEAD/MISSION VALLEYS- 1029 PM MDT MON OCT 1 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO 9 AM MDT WEDNESDAY... A LAKE WIND ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO 9 AM MDT WEDNESDAY. * IMPACTS/TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL AFFECT FLATHEAD LAKE ON TUESDAY. WINDS WILL DECREASE BRIEFLY TUESDAY EVENING BEFORE BECOMING NORTHERLY TUESDAY NIGHT THROUGH WEDNESDAY MORNING. CHOPPY CONDITIONS SHOULD BE EXPECTED WITH MAIN IMPACTS ON THE EAST SHORES TUESDAY AND THEN THE SOUTH SHORES TUESDAY NIGHT AND WEDNESDAY. * WINDS: WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH AT TIMES. * WAVE HEIGHTS: 2 TO 4 FEET. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 4:50 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 56 hr |
| Oct 1, 12:48 PM MDT | Fire Weather Watch | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 16 hr |
| Oct 1, 12:48 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Missoula, Powell | 50 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.