Alert archive / Montana / Wind Advisories in 2016
Wind Advisory 1, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Feb 18, 2016, 2:26 PM MST for 6 counties in Montana. It took effect at Feb 18, 2016, 10:00 PM MST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 2016, 2:26 PM MST (21:26 UTC)
- In effect from
- Feb 18, 2016, 10:00 PM MST
- Expired
- Feb 19, 2016, 9:00 AM MST
- In force
- 11 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 21:29 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, 9.4 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
- 2061 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
158 WWUS75 KMSO 182126 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 226 PM MST THU FEB 18 2016 MTZ005-007-191600- /O.NEW.KMSO.WI.Y.0001.160219T0500Z-160219T1600Z/ MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- 226 PM MST THU FEB 18 2016 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MST FRIDAY. * IMPACTS/TIMING: GUSTY WINDS WILL DEVELOP OVERNIGHT TONIGHT AND LAST THROUGH FRIDAY MORNING. THE MOST LIKELY AREAS TO RECEIVE STRONG GUSTY WINDS WILL BE IN THE BITTERROOT VALLEY AND SOUTHWEST MONTANA, PARTICULARLY ALONG MT-1 FROM DRUMMOND TO GEORGETOWN LAKE, INTERSTATE 90 FROM GARRISON JCT. TO BUTTE AND US-12 OVER MACDONALD PASS. THESE GUSTY WESTERLY WINDS MAY BLOW AROUND UNSECURED OUTDOOR ITEMS AND COULD CAUSE DIFFICULT CROSS WINDS FOR HIGH PROFILE VEHICLES. * WINDS: WESTERLY WINDS 25-35 MPH WITH GUSTS UP TO 45 MPH POSSIBLE. LOCALLY GUSTS MAY APPROACH 50 MPH IN SOME LOCATIONS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS $$
2 follow-up statements
759 WWUS75 KMSO 190837 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 137 AM MST FRI FEB 19 2016 MTZ007-190945- /O.CAN.KMSO.WI.Y.0001.000000T0000Z-160219T1600Z/ BUTTE/BLACKFOOT REGION- 137 AM MST FRI FEB 19 2016 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. THE WIND ADVISORY HAS BEEN REPLACED WITH A WINTER WEATHER ADVISORY TO COVER THE COMBINATION OF WIND, SNOW, BLOWING SNOW AND ICY ROADS OCCURRING ACROSS THE REGION. $$ MTZ005-191600- /O.CON.KMSO.WI.Y.0001.000000T0000Z-160219T1600Z/ MISSOULA/BITTERROOT VALLEYS- 137 AM MST FRI FEB 19 2016 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * IMPACTS/TIMING: GUSTY WINDS WILL LAST THROUGH THIS MORNING. THE MOST LIKELY AREA TO RECEIVE STRONG GUSTY WINDS WILL BE IN THE BITTERROOT VALLEY. THESE GUSTY SOUTH TO SOUTHWEST WINDS MAY BLOW AROUND UNSECURED OUTDOOR ITEMS AND COULD CAUSE DIFFICULT CROSS WINDS FOR HIGH PROFILE VEHICLES. * WINDS: SOUTH TO SOUTHWEST WINDS 25-35 MPH WITH GUSTS UP TO 45 MPH POSSIBLE. LOCALLY GUSTS MAY APPROACH 50 MPH IN SOME LOCATIONS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA $$
235 WWUS75 KMSO 191552 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 852 AM MST FRI FEB 19 2016 MTZ005-191700- /O.EXP.KMSO.WI.Y.0001.000000T0000Z-160219T1600Z/ MISSOULA/BITTERROOT VALLEYS- 852 AM MST FRI FEB 19 2016 ...WIND ADVISORY WILL EXPIRE AT 9 AM MST THIS MORNING... * IMPACTS/TIMING: BREEZY WINDS WILL CONTINUE THROUGHOUT THE DAY. HOWEVER THERE IS NO LONGER A THREAT FOR STRONG, DAMAGING WINDS GUSTS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 9:56 AM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 23 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.