Alert archive / Montana / Wind Advisories in 2018
Wind Advisory 2, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Mar 30, 2018, 8:48 AM MDT for Flathead County, Lake County, Sanders County, Montana. It took effect at Mar 30, 2018, 12:00 PM MDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2018, 8:48 AM MDT (14:48 UTC)
- In effect from
- Mar 30, 2018, 12:00 PM MDT
- Expired
- Mar 30, 2018, 9:00 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 14:50 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, 2.8 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
- 1324 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
116 WWUS75 KMSO 301448 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 848 AM MDT Fri Mar 30 2018 MTZ003-310300- /O.CAN.KMSO.LW.Y.0001.180330T2100Z-180331T0300Z/ /O.NEW.KMSO.WI.Y.0002.180330T1800Z-180331T0300Z/ Flathead/Mission Valleys- 848 AM MDT Fri Mar 30 2018 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... ...LAKE WIND ADVISORY IS REPLACED... The National Weather Service in Missoula has issued a Wind Advisory...which is in effect from noon today to 9 PM MDT this evening. The Lake Wind Advisory is no longer in effect. * What/Timing: West winds 20 to 30 mph gusting to 40 mph early this afternoon. Winds become east and northeast 20 to 30 mph gusting to 50 mph late this afternoon and continue through this evening. * Impacts: Tree falls, power outages, hazardous driving conditions due to crosswinds, choppy wave activity on Flathead Lake. * Wave heights: 1 to 3 foot waves on Flathead Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that strong winds will create hazardous conditions that impact travel, outdoor activities, and public safety. && $$
1 follow-up statement
664 WWUS75 KMSO 310246 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 846 PM MDT Fri Mar 30 2018 MTZ003-310400- /O.EXP.KMSO.WI.Y.0002.000000T0000Z-180331T0300Z/ Flathead/Mission Valleys- 846 PM MDT Fri Mar 30 2018 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... $$
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.