Alert archive / Montana / Wind Advisories in 2015
Wind Advisory 6, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Jun 12, 2015, 10:22 AM MDT for Flathead County, Lake County, Sanders County, Montana. It took effect at Jun 12, 2015, 12:00 PM MDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jun 12, 2015, 10:22 AM MDT (16:22 UTC)
- In effect from
- Jun 12, 2015, 12:00 PM MDT
- Expired
- Jun 12, 2015, 9:01 PM MDT
- In force
- 9 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 98 km from the middle of the area, began a volume at 16:27 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
Spokane, WA (KOTX), launched 12:00Z, 4.4 hours before the alert went out and 149 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
- 2407 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
235 WWUS75 KMSO 121622 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1022 AM MDT FRI JUN 12 2015 ...STRONG WIND GUSTS TODAY...PORTIONS OF NORTHWEST MONTANA... MTZ002-003-130300- /O.NEW.KMSO.WI.Y.0006.150612T1800Z-150613T0300Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 1022 AM MDT FRI JUN 12 2015 ...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: WINDS ACROSS NORTHWEST MONTANA WILL RAPIDLY INTENSIFY THIS MORNING AND CONTINUE THROUGH THIS EVENING. DANGEROUSLY ACTIVE WAVE CONDITIONS WILL DEVELOP ON AREA LAKES INCLUDING FLATHEAD LAKE. SMALL TREES AND LOOSE OBJECTS MAY BE DAMAGED BY SUDDEN WIND GUSTS. * WINDS: LOW ELEVATIONS: 20 TO 30 MPH GUSTING TO 40 MPH...HIGH ELEVATIONS: 25 TO 35 MPH GUSTING TO 50 MPH. * FLATHEAD LAKE WAVES: 2 TO 3 FEET IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON 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. && $$
1 follow-up statement
779 WWUS75 KMSO 130301 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 901 PM MDT FRI JUN 12 2015 MTZ002-003-130415- /O.CAN.KMSO.WI.Y.0006.000000T0000Z-150613T0300Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 901 PM MDT FRI JUN 12 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. WIDESPREAD STRONG GUSTS ARE NO LONGER EXPECTED. HOWEVER, BREEZY WINDS WILL CONTINUE FOR A FEW HOURS AFTER SUNSET, AND CHOPPY CONDITIONS WILL PERSIST INTO THE NIGHT OVER FLATHEAD LAKE. $$
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.