Alert archive / Montana / Wind Advisories in 2016

Wind Advisory 4, NWS Missoula, MT

March 10, 20169 counties in Montana

NWS Missoula, MT issued this wind advisory at Mar 10, 2016, 2:12 PM MST for 9 counties in Montana. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 10, 2016, 2:12 PM MST (21:12 UTC)
Expired
Mar 10, 2016, 7:00 PM MST
In force
5 hr
Issued by
NWS Missoula, MT

Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 27 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 222 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2016-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2016-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 554 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
554 m²/s²
0-3 km storm-relative helicity
571 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

498 
WWUS75 KMSO 102112
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
212 PM MST THU MAR 10 2016


MTZ003-005-007-043-110200-
/O.NEW.KMSO.WI.Y.0004.160310T2112Z-160311T0200Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
212 PM MST THU MAR 10 2016

...WIND ADVISORY IN EFFECT UNTIL 7 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM MST THIS EVENING. 

* IMPACTS/TIMING: A STRONG COLD FRONT WILL BE MOVING THROUGH
  WESTERN MONTANA THIS AFTERNOON AND EARLY EVENING. SOUTH TO SOUTHWEST
  WINDS 20-30 MPH WITH GUSTS 35 TO 45 MPH, LOCALLY UP TO 50 MPH,
  ARE EXPECTED. WINDS WILL SHIFT TO THE WEST-NORTHWEST BETWEEN 3
  AND 5 PM AS AS THE FRONTAL PASSAGE MOVES THROUGH THE REGION.

* WINDS: 20 TO 30 MPH WITH GUSTS 35 TO 45 MPH. LOCALIZED GUSTS OF
  45-55 MPH ARE POSSIBLE, ESPECIALLY ALONG THE I-90 CORRIDOR FROM
  DEERLODGE TO BUTTE. 

* LOCATIONS IMPACTED INCLUDE...I-90 GARRISON JUNCTION TO
  BUTTE...FLATHEAD LAKE...MISSION VALLEY...BITTERROOT VALLEY...
  MISSOULA...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO
  ELLISTON...HOMESTAKE PASS...MACDONALD PASS...HIGHWAY 200 BONNER
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST
  MISSOULA TO BEARMOUTH

$$
1 follow-up statement
656 
WWUS75 KMSO 110153
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
653 PM MST THU MAR 10 2016


MTZ003-005-007-043-110300-
/O.EXP.KMSO.WI.Y.0004.000000T0000Z-160311T0200Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
653 PM MST THU MAR 10 2016

...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING...

* TIMING: WINDS WILL STEADILY DECREASE THIS EVENING CAUSING
  MINIMAL IMPACTS. 

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA...
  BUTTE... GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...
  HOMESTAKE PASS...MACDONALD PASS...HIGHWAY 200 BONNER TO 
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 10, 4:35 PM MSTSpecial Weather StatementMSOMissoula40 min

Nearby

Wind Advisories in Montana, 2016Every wind advisory in 2016

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.