Alert archive / Montana / Wind Advisories in 2011
Wind Advisory 17, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Jul 7, 2011, 11:43 AM MDT for 11 counties in Montana. It took effect at Jul 8, 2011, 6:00 AM MDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jul 7, 2011, 11:43 AM MDT (17:43 UTC)
- In effect from
- Jul 8, 2011, 6:00 AM MDT
- Expired
- Jul 8, 2011, 9:00 PM MDT
- In force
- 15 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 2 km from the middle of the area, began a volume at 17:43 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, 5.7 hours before the alert went out and 195 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
- 2780 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
366 WWUS75 KMSO 071743 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1143 AM MDT THU JUL 7 2011 MTZ001-002-004-005-007-043-081200- /O.NEW.KMSO.WI.Y.0017.110708T1200Z-110709T0300Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-MISSOULA/BITTERROOT VALLEYS- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 1143 AM MDT THU JUL 7 2011 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 9 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 9 PM MDT FRIDAY. * IMPACTS/TIMING: GUSTY WEST WIND WILL BEGIN EARLY FRIDAY MORNING AND WILL INCREASE THROUGH THE AFTERNOON BEFORE DECREASING IN THE LATE EVENING. * WINDS: SOUTHWEST WINDS 15 TO 25 MPH EARLY WITH WEST WINDS INCREASING IN THE AFTERNOON WITH GUSTS AROUND 40 MPH. * LOCATIONS IMPACTED INCLUDE...LIBBY... EUREKA ...WHITEFISH...BAD ROCK CANYON...ESSEX... BIGFORK...SWAN LAKE...MARIAS PASS...POLEBRIDGE... EVARO HILL... THOMPSON FALLS ...PLAINS...TROUT CREEK...HERON...LOOKOUT PASS ...HAUGAN... BITTERROOT VALLEY... MISSOULA...BUTTE...GEORGETOWN LAKE... HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH... MISSOULA ...BEARMOUTH 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. && $$ MTZ003-081200- /O.NEW.KMSO.WI.Y.0017.110708T1200Z-110709T0300Z/ FLATHEAD/MISSION VALLEYS- 1143 AM MDT THU JUL 7 2011 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 9 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 9 PM MDT FRIDAY. * IMPACTS/TIMING: GUSTY WEST WIND WILL BEGIN EARLY FRIDAY MORNING AND WILL INCREASE THROUGH THE AFTERNOON BEFORE DECREASING IN THE LATE EVENING. STRONG WINDS OVER FLATHEAD LAKE WILL CREATE INCREASED WAVES ESPECIALLY IN THE AFTERNOON THAT COULD CREATE HAZARDOUS CONDITIONS FOR BOATERS. * WINDS: FLATHEAD LAKE: SOUTH WIND 15 TO 25 MPH INCREASING OUT SOUTHWEST WITH GUSTS TO 35 MPH IN THE AFTERNOON. ELSEWHERE: SOUTHWEST WINDS 15 TO 25 MPH EARLY WITH WEST WINDS INCREASING IN THE AFTERNOON WITH GUSTS AROUND 40 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
3 follow-up statements
132 WWUS75 KMSO 081101 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 501 AM MDT FRI JUL 8 2011 MTZ005-007-043-082200- /O.EXT.KMSO.WI.Y.0017.110708T1800Z-110709T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 501 AM MDT FRI JUL 8 2011 ...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... THE WIND ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. * IMPACTS/TIMING: WESTERLY WINDS WILL INCREASE AROUND NOON TODAY AND REMAIN VERY GUSTY THROUGH THIS EVENING. * WINDS: WEST TO SOUTHWEST 20 TO 30 MPH WITH GUSTS AROUND 40 MPH THIS AFTERNOON. LOCAL WIND CHANNELED AREAS MAY EXPERIENCE EVEN STRONGER GUSTS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...US HIGHWAY 12 GARRISON TO ELLISTON... MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH AND HIGHWAY 1 GEORGETOWN LAKE TO ANACONDA. 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. && $$ MTZ003-082200- /O.EXT.KMSO.WI.Y.0017.110708T1600Z-110709T0300Z/ FLATHEAD/MISSION VALLEYS- 501 AM MDT FRI JUL 8 2011 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT THIS EVENING... THE WIND ADVISORY IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT THIS EVENING. * IMPACTS/TIMING: WEST WINDS WILL INCREASE THIS MORNING AND BECOME VERY GUSTY THROUGHOUT THE AFTERNOON AND EARLY EVENING. STRONG WINDS OVER FLATHEAD LAKE WILL CREATE WAVE HEIGHTS BETWEEN 3 AND 5 FEET OVER FLATHEAD LAKE LATE THIS AFTERNOON AND PERSIST INTO THE EVENING. * WINDS: FLATHEAD LAKE: SOUTHWEST WIND 15 TO 20 MPH WITH GUSTS TO 30 MPH THIS MORNING...INCREASING TO 20 TO 25 MPH OUT WEST WITH GUSTS TO 35 MPH IN THE AFTERNOON AND EARLY EVENING. ELSEWHERE: SOUTHWEST WINDS 15 TO 25 MPH THIS MORNING BECOMING WEST AND INCREASING IN THE AFTERNOON WITH GUSTS TO AROUND 40 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MTZ001-002-004-082200- /O.CON.KMSO.WI.Y.0017.110708T1200Z-110709T0300Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION- 501 AM MDT FRI JUL 8 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: SOUTHWEST WINDS WILL CONTINUE TO DEVELOP THIS MORNING AND INCREASE THROUGHOUT THE DAY...BECOMING WESTERLY AND VERY GUSTY LATER IN THE MORNING THROUGH THIS AFTERNOON AND INTO THE EARLY EVENING HOURS. THE STRONGEST WINDS WILL MOST LIKELY OCCUR LATE IN THE AFTERNOON THROUGH EARLY THIS EVENING. EXPECT THESE WINDS TO BEGIN TO SUBSIDE AROUND 9PM THIS EVENING. * WINDS: SOUTHWEST WINDS 15 TO 25 MPH EARLY...BECOMING WEST 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH LATE THIS MORNING THROUGH THE REST OF TODAY. MOUNTAIN LOCATIONS...INCLUDING THE HIGHER TERRAIN OF GLACIER PARK CAN EXPECT TO SEE WIND GUSTS IN EXCESS OF 50 MPH AT TIMES LATE THIS AFTERNOON. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX... HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE... EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN AND GOING TO THE SUN HIGHWAY LEADING UP TO 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. && $$
754 WWUS75 KMSO 082156 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 356 PM MDT FRI JUL 8 2011 MTZ005-007-043-090300- /O.CON.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 356 PM MDT FRI JUL 8 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: WESTERLY WINDS WILL REMAIN VERY GUSTY THROUGH THIS EVENING. * WINDS: WEST TO SOUTHWEST 20 TO 30 MPH WITH GUSTS AROUND 40 MPH THROUGH THIS EVENING. LOCAL WIND CHANNELED AREAS MAY EXPERIENCE EVEN STRONGER GUSTS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MTZ001-002-004-090300- /O.CON.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION- 356 PM MDT FRI JUL 8 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: GUSTY SOUTHWEST AND WESTERLY WINDS WILL CONTINUE TO BE PRESENT THROUGH THIS EVENING. * WINDS: 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. WIND GUSTS IN EXCESS OF 50 MPH AT TIMES AT HIGHER ELEVATIONS...INCLUDING GLACIER PARK. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX... HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE... EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ003-090300- /O.CON.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ FLATHEAD/MISSION VALLEYS- 356 PM MDT FRI JUL 8 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: GUSTY WEST WINDS WILL CONTINUE TO BE PRESENT THROUGH THIS EVENING. WINDS WILL CREATE WAVE HEIGHTS BETWEEN 3 AND 5 FEET OVER FLATHEAD LAKE THROUGH THIS EVENING. * WINDS: FLATHEAD LAKE: SOUTHWEST WIND 15 TO 25 MPH OUT WEST WITH GUSTS TO 35 MPH. ELSEWHERE: SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
226 WWUS75 KMSO 090232 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 832 PM MDT FRI JUL 8 2011 MTZ005-007-043-090345- /O.EXP.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 832 PM MDT FRI JUL 8 2011 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING. $$ MTZ001-002-004-090345- /O.EXP.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION- 832 PM MDT FRI JUL 8 2011 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING. $$ MTZ003-090345- /O.EXP.KMSO.WI.Y.0017.000000T0000Z-110709T0300Z/ FLATHEAD/MISSION VALLEYS- 832 PM MDT FRI JUL 8 2011 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING. $$
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.