Alert archive / Montana / Wind Advisories in 2015
Wind Advisory 4, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Mar 31, 2015, 3:39 AM MDT for Lemhi County, Idaho; 4 counties in Montana. It took effect at Mar 31, 2015, 3:00 PM MDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2015, 3:39 AM MDT (09:39 UTC)
- In effect from
- Mar 31, 2015, 3:00 PM MDT
- Expired
- Mar 31, 2015, 9:44 PM MDT
- In force
- 7 hr
- Issued by
- NWS Missoula, MT
Counties Lemhi County, ID, Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 127 km from the middle of the area, began a volume at 09:36 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, 9.7 hours before the alert went out and 254 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
- 2803 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
577 WWUS75 KMSO 310939 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 339 AM MDT TUE MAR 31 2015 ...STRONG COLD FRONT WILL CAUSE STRONG WINDS TODAY... MTZ007-010600- /O.NEW.KMSO.WI.Y.0004.150331T2100Z-150401T0600Z/ BUTTE/BLACKFOOT REGION- 339 AM MDT TUE MAR 31 2015 ...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT. * IMPACTS/TIMING: A COLD FRONT WILL ARRIVE THIS AFTERNOON CAUSING STRONG GUSTY WINDS THROUGH THE EVENING. CROSS WINDS ON THE INTERSTATES AND VERY ERRATIC WINDS DUE TO THE COMBINATION OF THE FRONT AND THUNDERSTORMS WILL CAUSE DIFFICULT DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. INTERSTATE-90 FROM GARRISON JUNCTION THROUGH DEER LODGE AND BUTTE WILL BE AFFECTED AS WELL AS INTERSTATE-15 FROM DIVIDE THROUGH ELK PARK. * WINDS: AFTERNOON WINDS 25 MPH WITH REGULAR GUSTS OVER 40 MPH AND OCCASIONAL GUSTS OVER 50 MPH ASSOCIATED WITH THUNDERSTORMS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...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. && $$ IDZ010-010600- /O.NEW.KMSO.WI.Y.0004.150331T2100Z-150401T0600Z/ EASTERN LEMHI COUNTY- 339 AM MDT TUE MAR 31 2015 ...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT. * IMPACTS/TIMING:A STRONG COLD FRONT WILL PASS THROUGH THE AREA THIS AFTERNOON CAUSING STRONG WINDS ALONG HIGHWAY 28 FROM LONE PINE THROUGH GILMORE SUMMIT AND LEMHI WHICH MAY CAUSE DIFFICULTIES FOR HIGH PROFILE VEHICLES. * WINDS: AFTERNOON WINDS OF 30 MPH WITH REGULAR GUSTS OVER 40 MPH. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MTZ003-010600- /O.NEW.KMSO.LW.Y.0002.150331T1800Z-150401T0600Z/ FLATHEAD/MISSION VALLEYS- 339 AM MDT TUE MAR 31 2015 ...LAKE WIND ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT. * IMPACTS/TIMING: WINDS WILL INCREASE TODAY ESPECIALLY AROUND NOON AND WILL PEAK IN THE LATE AFTERNOON AND EARLY EVENING. EXPECT CHOPPY CONDITIONS ON THE LAKE, ESPECIALLY NEAR THE EASTERN SHORES. * WINDS: WESTERLY AT 20 MPH WITH FREQUENT GUSTS OVER 30 MPH. * 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 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. && $$
1 follow-up statement
846 WWUS75 KMSO 010344 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 944 PM MDT TUE MAR 31 2015 IDZ010-MTZ007-010445- /O.CAN.KMSO.WI.Y.0004.000000T0000Z-150401T0600Z/ EASTERN LEMHI COUNTY-BUTTE/BLACKFOOT REGION- 944 PM MDT TUE MAR 31 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. WINDS WILL CONTINUE TO DECREASE ACROSS THE AREA THIS EVENING. $$ MTZ003-010445- /O.CAN.KMSO.LW.Y.0002.000000T0000Z-150401T0600Z/ FLATHEAD/MISSION VALLEYS- 944 PM MDT TUE MAR 31 2015 ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE LAKE WIND ADVISORY. WINDS WILL CONTINUE TO DECREASE ACROSS THE AREA THIS EVENING. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 9:22 AM MDT | Winter Weather Advisory | MSO | Lemhi | 24 hr |
| Mar 31, 3:39 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 18 hr |
Nearby
Wind Advisories in Montana, 2015Wind Advisories in Idaho, 2015Every wind advisory in 2015
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.