Alert archive / Montana / High Wind Warnings in 2007
High Wind Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this high wind warning at Jan 5, 2007, 11:15 AM MST for 4 counties in Montana. It took effect at Jan 5, 2007, 11:00 PM MST. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 5, 2007, 11:15 AM MST (18:15 UTC)
- In effect from
- Jan 5, 2007, 11:00 PM MST
- Expired
- Jan 6, 2007, 12:00 AM MST
- In force
- 60 min
- 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 18:20 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, 6.3 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
- 1585 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KMSO 051815 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1115 AM MST FRI JAN 5 2007 ...SIGNIFICANT WIND EVENT TO IMPACT THE AREA TONIGHT... .A VERY POTENT WINTER STORM WILL BEGIN TO APPROACH SOUTHWEST MONTANA OVERNIGHT. AS IT DOES...THE SURFACE PRESSURE GRADIENT WILL BECOME INTENSELY STRONG. THE TIGHT PRESSURE GRADIENT WILL TRANSLATE TO HIGH WINDS. MTZ007-060400- /O.NEW.KMSO.HW.W.0001.070106T0300Z-070106T1300Z/ BUTTE/BLACKFOOT REGION- 1115 AM MST FRI JAN 5 2007 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 6 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM MST SATURDAY. SUSTAINED SOUTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS TO 70 MPH ARE EXPECTED LATE THIS EVENING AND OVERNIGHT. AREAS IMPACTED BY THIS EVENT WILL BE ALONG MONTANA HIGHWAY 1 AREAS BETWEEN GEORGETOWN LAKE AND ANACONDA AND THE INTERSTATE 90 CORRIDOR BETWEEN GARRISON JUNCTION AND ANACONDA. OTHER LOCATIONS...INCLUDING BUTTE...CAN EXPECT TO SEE SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH DURING THIS PERIOD. THIS WIND EVENT WILL TRANSITION TO A WINTER STORM EVENT SATURDAY MORNING. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE. TRAVEL IS DISCOURAGED THIS EVENING AND OVERNIGHT. $$
2 follow-up statements
000 WWUS75 KMSO 060256 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 756 PM MST FRI JAN 5 2007 ...SIGNIFICANT WIND EVENT TO IMPACT THE AREA TONIGHT... .A VERY POTENT WINTER STORM WILL BEGIN TO APPROACH SOUTHWEST MONTANA OVERNIGHT. AS IT DOES...THE SURFACE PRESSURE GRADIENT WILL BECOME INTENSELY STRONG RESULTING IN HIGH WINDS ACROSS THE AREA. MTZ007-061200- /O.EXT.KMSO.HW.W.0001.070106T0600Z-070106T1300Z/ BUTTE/BLACKFOOT REGION- 756 PM MST FRI JAN 5 2007 ...HIGH WIND WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO 6 AM MST SATURDAY... THE HIGH WIND WARNING IS NOW IN EFFECT FROM 11 PM THIS EVENING TO 6 AM MST SATURDAY. SUSTAINED SOUTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS TO 70 MPH ARE EXPECTED LATE THIS EVENING AND OVERNIGHT. AREAS IMPACTED BY THIS EVENT WILL BE ALONG MONTANA HIGHWAY 1 AREAS BETWEEN GEORGETOWN LAKE AND ANACONDA AND THE INTERSTATE 90 CORRIDOR BETWEEN GARRISON JUNCTION AND ANACONDA. OTHER LOCATIONS... INCLUDING BUTTE...CAN EXPECT TO SEE SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH DURING THIS PERIOD. THIS WIND EVENT WILL TRANSITION TO A WINTER STORM EVENT SATURDAY MORNING. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE. $$
000 WWUS75 KMSO 060700 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1200 AM MST SAT JAN 6 2007 MTZ007-060800- /O.CAN.KMSO.HW.W.0001.000000T0000Z-070106T1300Z/ BUTTE/BLACKFOOT REGION- 1200 AM MST SAT JAN 6 2007 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HIGH WIND WARNING. WINDS WILL BE BREEZY IN THE BUTTE BLACKFOOT REGION TONIGHT...BUT ARE NOW EXPECTED TO REMAIN BELOW WARNING CRITERIA. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 12:21 PM MST | Snow and Blowing Snow Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 25 hr |
| Jan 5, 12:21 PM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 25 hr |
Nearby
High Wind Warnings in Montana, 2007Every high wind warning in 2007
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.