Alert archive / Montana / Wind Advisories in 2016
Wind Advisory 11, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Dec 19, 2016, 4:20 AM MST for 4 counties in Montana. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2016, 4:20 AM MST (11:20 UTC)
- Expired
- Dec 19, 2016, 4:24 PM MST
- In force
- 12 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 110 km from the middle of the area, began a volume at 11:19 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, 11.3 hours before the alert went out and 225 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
- 1431 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 442 m²/s²
- 0-3 km storm-relative helicity
- 519 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
177 WWUS75 KMSO 191120 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 420 AM MST MON DEC 19 2016 MTZ007-200000- /O.NEW.KMSO.WI.Y.0011.161219T1120Z-161220T0000Z/ BUTTE/BLACKFOOT REGION- 420 AM MST MON DEC 19 2016 ...WIND ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * IMPACTS/TIMING: WINDS WILL CONTINUE TODAY FROM GARRISON JUNCTION THROUGH ANACONDA. SOUTHERLY TO SOUTHWESTERLY WINDS WITH GUSTS FROM THE WEST WILL MAKING DRIVING ON INTERSTATE 90 DIFFICULT IN THIS AREA. SOME BLOWING AND DRIFTING SNOW IS POSSIBLE ALSO. * WINDS: SOUTHWEST TO SOUTH 20 TO 30 MPH WITH WESTERLY GUSTS 40 TO 50 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS $$
2 follow-up statements
519 WWUS75 KMSO 192104 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 204 PM MST MON DEC 19 2016 IDZ007-201800- /O.NEW.KMSO.HW.W.0003.161220T0900Z-161220T1800Z/ OROFINO/GRANGEVILLE REGION- 104 PM PST MON DEC 19 2016 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 10 AM PST TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING FOR THE CAMAS PRAIRIE...WHICH IS IN EFFECT FROM 1 AM TO 10 AM PST TUESDAY. * IMPACTS/TIMING: WINDS INCREASING AFTER MIDNIGHT TONIGHT AND THEN SLOWLY DECREASING BY LATE TUESDAY MORNING. DAMAGING WINDS MOST LIKELY BETWEEN DAWN AND MID-MORNING. LOCAL RESTRICTED VISIBILITY IN BLOWING SNOW. * WINDS: SOUTH TO SOUTHWEST INCREASING BY DAWN TO 40 MPH WITH GUSTS AROUND 60 MPH. * LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND VICINITY. $$ MTZ007-200000- /O.CON.KMSO.WI.Y.0011.000000T0000Z-161220T0000Z/ BUTTE/BLACKFOOT REGION- 204 PM MST MON DEC 19 2016 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS/TIMING: WINDS WILL CONTINUE THIS AFTERNOON FROM GARRISON JUNCTION THROUGH ANACONDA. SOUTHERLY TO SOUTHWESTERLY WINDS WITH HIGHER GUSTS FROM THE WEST WILL MAKING DRIVING ON INTERSTATE 90 DIFFICULT IN THIS AREA. ALSO SOME BLOWING AND DRIFTING SNOW IS POSSIBLE. * WINDS: SOUTHWEST TO SOUTH 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS $$
531 WWUS75 KMSO 192324 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 424 PM MST MON DEC 19 2016 MTZ007-200030- /O.CAN.KMSO.WI.Y.0011.000000T0000Z-161220T0000Z/ BUTTE/BLACKFOOT REGION- 424 PM MST MON DEC 19 2016 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. $$ IDZ007-201800- /O.CON.KMSO.HW.W.0003.161220T0900Z-161220T1800Z/ OROFINO/GRANGEVILLE REGION- 324 PM PST MON DEC 19 2016 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM PST TUESDAY... * IMPACTS/TIMING: WINDS INCREASING AFTER MIDNIGHT TONIGHT AND THEN SLOWLY DECREASING BY LATE TUESDAY MORNING. DAMAGING WINDS MOST LIKELY BETWEEN DAWN AND MID-MORNING. LOCAL RESTRICTED VISIBILITY IN BLOWING SNOW. * WINDS: SOUTH TO SOUTHWEST INCREASING BY DAWN TO 40 MPH WITH GUSTS AROUND 60 MPH. * LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, AND GREER GRADE $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:14 AM MST | Winter Storm Watch | MSO | Granite, Mineral, Missoula, Ravalli, Sanders | 10 hr |
| Dec 19, 8:09 AM MST | Winter Storm Warning | MSO | Flathead, Lake | 8 hr |
| Dec 19, 2:01 PM MST | Winter Storm Warning | MSO | Granite, Mineral, Missoula, Ravalli, Sanders | 28 hr |
| Dec 19, 2:01 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more | 34 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.