Alert archive / Montana / Wind Advisories in 2016
Wind Advisory 6, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Apr 3, 2016, 8:50 PM MDT for 7 counties in Montana; Lemhi County, Idaho. It took effect at Apr 4, 2016, 12:00 PM MDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 3, 2016, 8:50 PM MDT (02:50 UTC)
- In effect from
- Apr 4, 2016, 12:00 PM MDT
- Expired
- Apr 4, 2016, 9:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Missoula, MT
Counties Lemhi County, ID, Deer Lodge County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 83 km from the middle of the area, began a volume at 02:52 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 00:00Z, 2.8 hours before the alert went out and 253 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
- 24 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2290 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
217 WWUS75 KMSO 040250 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 850 PM MDT SUN APR 3 2016 MTZ005-007-043-050300- /O.NEW.KMSO.WI.Y.0006.160404T1800Z-160405T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 850 PM MDT SUN APR 3 2016 ...WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT MONDAY. * IMPACTS/TIMING: A VIGOROUS COLD FRONT WILL PRODUCE STRONG AND GUSTY WINDS AS IT PASSES THROUGH WEST CENTRAL AND SOUTHWEST MONTANA BETWEEN NOON AND 6 PM MDT. SUSTAINED WINDS OF 20-30 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED. THESE WINDS MAY RESULT IN BROKEN TREE BRANCHES AND DISPLACED UNSECURED OBJECTS. CROSS WINDS ON AREA HIGHWAYS COULD MAKE DRIVING DIFFICULT AT TIMES. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...I-90 GARRISON JUNCTION TO BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ003-050300- /O.NEW.KMSO.LW.Y.0001.160404T1800Z-160405T0300Z/ FLATHEAD/MISSION VALLEYS- 850 PM MDT SUN APR 3 2016 ...LAKE WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT MONDAY FOR FLATHEAD LAKE... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND ADVISORY FOR FLATHEAD LAKE...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT MONDAY. * IMPACTS/TIMING: A COLD FRONT WILL PASS OVER FLATHEAD LAKE BETWEEN NOON AND 6 PM MDT. STRONG WINDS SUSTAINED AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED. * WAVE HEIGHTS: 2-4 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE SIGNIFICANTLY LESS ON UPWIND SHORES. && $$
2 follow-up statements
907 WWUS75 KMSO 041800 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1200 PM MDT MON APR 4 2016 IDZ010-050300- /O.EXA.KMSO.WI.Y.0006.160404T1800Z-160405T0300Z/ EASTERN LEMHI COUNTY- 1200 PM MDT MON APR 4 2016 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * IMPACTS/TIMING: A VIGOROUS COLD FRONT WILL PRODUCE STRONG AND GUSTY WINDS AS IT PASSES THROUGH LEMHI COUNTY BETWEEN 3PM AND 6PM MDT. SUSTAINED WINDS OF 25-35 MPH GUSTING TO 50 MPH ARE EXPECTED. THESE WINDS MAY RESULT IN BROKEN TREE BRANCHES AND DISPLACED UNSECURED OBJECTS. CROSS WINDS ON AREA HIGHWAYS COULD MAKE DRIVING DIFFICULT AT TIMES. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS...SALMON $$ MTZ005-007-043-050300- /O.CON.KMSO.WI.Y.0006.000000T0000Z-160405T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 1200 PM MDT MON APR 4 2016 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * IMPACTS/TIMING: A VIGOROUS COLD FRONT WILL PRODUCE STRONG AND GUSTY WINDS AS IT PASSES THROUGH WEST CENTRAL AND SOUTHWEST MONTANA BETWEEN NOON AND 6 PM MDT. SUSTAINED WINDS OF 20-30 MPH GUSTING TO 45 MPH ARE EXPECTED. THESE WINDS MAY RESULT IN BROKEN TREE BRANCHES AND DISPLACED UNSECURED OBJECTS. CROSS WINDS ON AREA HIGHWAYS COULD MAKE DRIVING DIFFICULT AT TIMES. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ003-050300- /O.CON.KMSO.LW.Y.0001.000000T0000Z-160405T0300Z/ FLATHEAD/MISSION VALLEYS- 1200 PM MDT MON APR 4 2016 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR FLATHEAD LAKE... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND ADVISORY FOR FLATHEAD LAKE...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT MONDAY. * IMPACTS/TIMING: A COLD FRONT WILL PASS OVER FLATHEAD LAKE BETWEEN NOON AND 6 PM MDT. STRONG WINDS SUSTAINED AT 15 TO 25 MPH GUSTING TO 35 MPH ARE EXPECTED. * WAVE HEIGHTS: 2-4 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. 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. && $$
381 WWUS75 KMSO 050245 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 845 PM MDT MON APR 4 2016 MTZ005-007-043-050345- /O.EXP.KMSO.WI.Y.0006.000000T0000Z-160405T0300Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 845 PM MDT MON APR 4 2016 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WINDS: THE STRONGER WIDESPREAD WINDS HAVE DIMINISHED ACROSS THE AREA THIS EVENING. HOWEVER...LINGERING RAIN AND SNOW SHOWERS WILL OCCASIONALLY PRODUCING GUSTY WINDS UP TO 30 MPH THROUGHOUT THE NIGHT. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ IDZ010-050345- /O.EXP.KMSO.WI.Y.0006.000000T0000Z-160405T0300Z/ EASTERN LEMHI COUNTY- 845 PM MDT MON APR 4 2016 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WINDS: THE STRONGER WIDESPREAD WINDS HAVE DIMINISHED ACROSS THE AREA THIS EVENING. HOWEVER...LINGERING RAIN AND SNOW SHOWERS WILL OCCASIONALLY PRODUCING GUSTY WINDS UP TO 30 MPH THROUGHOUT THE NIGHT. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS...SALMON $$ MTZ003-050345- /O.EXP.KMSO.LW.Y.0001.000000T0000Z-160405T0300Z/ FLATHEAD/MISSION VALLEYS- 845 PM MDT MON APR 4 2016 ...LAKE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING FOR FLATHEAD LAKE... * IMPACTS/TIMING: * WINDS: * WAVE HEIGHTS: WAVE HEIGHT FORECAST AVAILABLE IN WRKGPI $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 8:50 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 24 hr |
| Apr 4, 2:10 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Powell, Silver Bow | 20 hr |
| Apr 4, 5:13 PM MDT | Special Weather Statement | MSO | Silver Bow | 32 min |
Nearby
Wind Advisories in Montana, 2016Wind Advisories in Idaho, 2016Every wind advisory in 2016
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.