Alert archive / Montana / Wind Advisories in 2011
Wind Advisory 23, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Nov 13, 2011, 4:21 PM MST for 6 counties in Montana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 13, 2011, 4:21 PM MST (23:21 UTC)
- Expired
- Nov 13, 2011, 7:52 PM MST
- In force
- 4 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Granite County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 87 km from the middle of the area, began a volume at 23:18 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
Great_falls, MT (KTFX), launched 12:00Z, 11.4 hours before the alert went out and 241 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
- 1373 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
600 WWUS75 KMSO 132321 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 421 PM MST SUN NOV 13 2011 MTZ007-140300- /O.NEW.KMSO.WI.Y.0023.111113T2321Z-111114T0300Z/ BUTTE/BLACKFOOT REGION- 421 PM MST SUN NOV 13 2011 ...WIND ADVISORY IN EFFECT UNTIL 8 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. * IMPACTS/TIMING: STRONG GUSTY WEST WINDS THIS EVENING. WINDS WILL DIMINISH AFTER 8 PM MST. * WINDS: WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * LOCATIONS IMPACTED INCLUDE...I-90 FROM GARRISON JUNCTION TO ANACONDA...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD 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. && $$ MTZ003-140300- /O.CON.KMSO.LW.Y.0016.000000T0000Z-111114T0300Z/ FLATHEAD/MISSION VALLEYS- 421 PM MST SUN NOV 13 2011 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * IMPACTS/TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE EVENING. CHOPPY WATERS WILL RESULT IN HAZARDOUS BOATING CONDITIONS. * WINDS: SUSTAINED SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * WAVE HEIGHTS: WAVES 2 TO 3 FEET...WITH OCCASIONAL 5 FOOT WAVES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$
2 follow-up statements
468 WWUS75 KMSO 132339 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 439 PM MST SUN NOV 13 2011 MTZ005-140300- /O.EXA.KMSO.WI.Y.0023.000000T0000Z-111114T0300Z/ MISSOULA/BITTERROOT VALLEYS- 439 PM MST SUN NOV 13 2011 ...WIND ADVISORY IN EFFECT UNTIL 8 PM MST THIS EVENING FOR THE BITTERROOT VALLEY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY FOR THE BITTERROOT VALLEY FROM FLORENCE TO VICTOR...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. * IMPACTS/TIMING: STRONG GUSTY WEST WINDS THIS EVENING...ESPECIALLY ON THE WEST SIDE OF THE BITTERROOT VALLEY. WINDS WILL DIMINISH AFTER 8 PM MST. * WINDS: WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY FROM FLORENCE TO VICTOR. 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. && $$ MTZ007-140300- /O.CON.KMSO.WI.Y.0023.000000T0000Z-111114T0300Z/ BUTTE/BLACKFOOT REGION- 439 PM MST SUN NOV 13 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * IMPACTS/TIMING: STRONG GUSTY WEST WINDS THIS EVENING. WINDS WILL DIMINISH AFTER 8 PM MST. * WINDS: WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MTZ003-140300- /O.CON.KMSO.LW.Y.0016.000000T0000Z-111114T0300Z/ FLATHEAD/MISSION VALLEYS- 439 PM MST SUN NOV 13 2011 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * IMPACTS/TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE EVENING. CHOPPY WATERS WILL RESULT IN HAZARDOUS BOATING CONDITIONS. * WINDS: SUSTAINED SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * WAVE HEIGHTS: WAVES 2 TO 3 FEET...WITH OCCASIONAL 5 FOOT WAVES. * 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. && $$
130 WWUS75 KMSO 140252 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 752 PM MST SUN NOV 13 2011 MTZ005-007-140400- /O.CAN.KMSO.WI.Y.0023.000000T0000Z-111114T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- 752 PM MST SUN NOV 13 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. $$ MTZ003-140400- /O.CAN.KMSO.LW.Y.0016.000000T0000Z-111114T0300Z/ FLATHEAD/MISSION VALLEYS- 752 PM MST SUN NOV 13 2011 ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE LAKE WIND ADVISORY. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 7:57 AM MST | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 12 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.