Alert archive / Montana / Wind Advisories in 2011
Wind Advisory 19, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Sep 2, 2011, 7:12 AM MDT for Flathead County, Lake County, Montana. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 2, 2011, 7:12 AM MDT (13:12 UTC)
- Expired
- Sep 2, 2011, 1:32 PM MDT
- In force
- 6 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 1.2 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
- 1780 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
640 WWUS75 KMSO 021312 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 712 AM MDT FRI SEP 2 2011 MTZ002-022115- /O.NEW.KMSO.WI.Y.0019.110902T1312Z-110903T0300Z/ WEST GLACIER REGION- 712 AM MDT FRI SEP 2 2011 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING ABOVE 6500 FEET INCLUDING LOGAN PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY ABOVE 6500 FEET...WHICH IS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: STRONG WEST WINDS ARE EXPECTED ACROSS THE HIGHER TERRAIN OF GLACIER NATIONAL PARK TODAY. WINDS WILL BE DECREASING THIS EVENING. * WINDS: SUSTAINED WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. 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. && $$ MTZ003-022115- /O.NEW.KMSO.LW.Y.0010.110902T1312Z-110903T0000Z/ FLATHEAD/MISSION VALLEYS- 712 AM MDT FRI SEP 2 2011 ...LAKE WIND ADVISORY IN EFFECT FOR FLATHEAD LAKE UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * IMPACTS/TIMING: WINDS WILL BE INCREASING ACROSS FLATHEAD LAKE THIS MORNING...THEN PEAKING BY EARLY AFTERNOON. WINDS OVERNIGHT HAVE ALREADY CREATED SOME CHOP OVER THE LAKE SURFACE THIS MORNING AND WATER CONDITIONS WILL LIKELY DETERIORATE TODAY. LAKE CONDITIONS WILL BE IMPROVING LATER THIS AFTERNOON AND EARLY EVENING WITH THE DECREASE IN WINDS. * WINDS: INCREASING SOUTHWEST 15 TO 20 MPH THIS MORNING. GUSTS TO 30 MPH DURING THE LATE MORNING AND AFTERNOON. * WAVE HEIGHTS: WAVES 1 TO 3 FEET...LOCALLY UP TO 4 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON THE LAKE. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$
1 follow-up statement
116 WWUS75 KMSO 021932 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 132 PM MDT FRI SEP 2 2011 MTZ003-030345- /O.CAN.KMSO.LW.Y.0010.000000T0000Z-110903T0000Z/ /O.NEW.KMSO.FR.Y.0001.110903T0600Z-110903T1500Z/ FLATHEAD/MISSION VALLEYS- 132 PM MDT FRI SEP 2 2011 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY... ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY. THE LAKE WIND ADVISORY HAS BEEN CANCELLED. * IMPACTS/TIMING: WINDS HAVE ALREADY OR WILL BE DECREASING ACROSS FLATHEAD LAKE THIS AFTERNOON. LAKE SURFACE CONDITIONS ARE EXPECTED TO IMPROVE. CLEARING SKIES WITH CALM WINDS WILL ALLOW TEMPERATURES TO FALL INTO THE LOWER 30S AFTER MIDNIGHT TONIGHT AND EARLY SATURDAY MORNING. THE GREATEST THREAT FOR FROST WILL BE IN THE LOW LYING AREAS. FROST SENSITIVE PLANTS MAY NEED TO BE PROTECTED OR MOVED INDOORS. * TEMPERATURES: IN THE LOWER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ MTZ002-022045- /O.CAN.KMSO.WI.Y.0019.000000T0000Z-110903T0300Z/ WEST GLACIER REGION- 132 PM MDT FRI SEP 2 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. STRONG WESTERLY WINDS HAVE DIMINISHED THIS AFTERNOON. $$ MTZ001-004-005-030345- /O.NEW.KMSO.FR.Y.0001.110903T0600Z-110903T1500Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- MISSOULA/BITTERROOT VALLEYS- 132 PM MDT FRI SEP 2 2011 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT SATURDAY. * IMPACTS/TIMING:CLEAR SKIES WITH CALM WINDS WILL ALLOW TEMPERATURES TO FALL INTO THE LOWER 30S AFTER MIDNIGHT TONIGHT AND EARLY SATURDAY MORNING. THE GREATEST THREAT FOR FROST WILL BE IN THE LOW LYING AREAS. FROST SENSITIVE PLANTS MAY NEED TO BE PROTECTED OR MOVED INDOORS. * TEMPERATURES: IN THE LOWER 30S. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON... I-90 LOOKOUT PASS TO HAUGAN...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 7:12 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 6 hr |
| Sep 2, 1:32 PM MDT | Frost Advisory | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more | 19 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.