Alert archive / Montana / Wind Advisories in 2013
Wind Advisory 7, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Sep 29, 2013, 1:53 PM MDT for 5 counties in Montana. It took effect at Sep 30, 2013, 12:00 AM MDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Sep 29, 2013, 1:53 PM MDT (19:53 UTC)
- In effect from
- Sep 30, 2013, 12:00 AM MDT
- Expired
- Sep 30, 2013, 6:00 PM MDT
- In force
- 18 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 40 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 165 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
- 578 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
083 WWUS75 KMSO 291953 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 153 PM MDT SUN SEP 29 2013 MTZ003-005-301200- /O.NEW.KMSO.WI.Y.0007.130930T0600Z-131001T0000Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 153 PM MDT SUN SEP 29 2013 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT MONDAY. * TIMING: ANOTHER ROUND OF STRONG WINDS WILL BEGIN OVERNIGHT AND STRENGTHEN THROUGH MONDAY MORNING, BECOMING GUSTY AT TIMES. WINDS WILL REMAIN ELEVATED THROUGH THE EVENING HOURS. * IMPACTS: HIGH PROFILE VEHICLES MAY BECOME SUSCEPTIBLE TO CROSS WINDS ON HIGHWAYS. DOWNED TREE LIMBS AND BRANCHES ARE POSSIBLE, AS WELL AS DISPLACED PERSONAL ITEMS NOT SECURED OUTDOORS. FLATHEAD LAKE WILL SEE INCREASED WAVE ACTIVITY AS WELL. * WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS TO 40 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA 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. && $$
2 follow-up statements
972 WWUS75 KMSO 301150 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 550 AM MDT MON SEP 30 2013 MTZ003-005-010000- /O.CON.KMSO.WI.Y.0007.000000T0000Z-131001T0000Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 550 AM MDT MON SEP 30 2013 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING: WINDS WILL INTENSIFY AND CHANGE DIRECTION THIS MORNING AS A COLD FRONT APPROACHES THE LARGE VALLEYS OF WESTERN MONTANA. WINDS WILL REMAIN GUSTY FOLLOWING THE FRONT AND CONTINUE THROUGH EARLY THIS EVENING. * IMPACTS: HIGH PROFILE VEHICLES MAY BECOME SUSCEPTIBLE TO CROSS WINDS ON HIGHWAYS. DOWNED TREE LIMBS AND BRANCHES ARE POSSIBLE...AS WELL AS DISPLACED PERSONAL ITEMS NOT SECURED OUTDOORS. FLATHEAD LAKE WILL SEE INCREASED WAVE ACTIVITY AS WELL. * WINDS: SOUTHWEST 25 TO 35 MPH GUSTING TO 40 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
167 WWUS75 KMSO 302347 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 547 PM MDT MON SEP 30 2013 MTZ003-005-010100- /O.EXP.KMSO.WI.Y.0007.000000T0000Z-131001T0000Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 547 PM MDT MON SEP 30 2013 ...WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING. GUSTY WINDS THROUGHOUT THE MISSOULA/BITTERROOT AND FLATHEAD/MISSION VALLEY WILL GRADUALLY DECREASE THIS EVENING. THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 6PM. SOME LOCAL GUSTS BRIEFLY REACHING 40 MPH ARE POSSIBLE IN THE MORE WIND PRONE LOCATIONS, ESPECIALLY ACROSS THE FLATHEAD AND MISSION VALLEYS THROUGH THE NEXT TWO HOURS BEFORE DECREASING SIGNIFICANTLY OVERNIGHT. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 1:54 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 21 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.