Alert archive / Montana / Wind Advisories in 2012

Wind Advisory 20, NWS Missoula, MT

July 3, 20127 counties in Montana

NWS Missoula, MT issued this wind advisory at Jul 3, 2012, 3:53 AM MDT for 7 counties in Montana. It took effect at Jul 3, 2012, 9:00 AM MDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jul 3, 2012, 3:53 AM MDT (09:53 UTC)
In effect from
Jul 3, 2012, 9:00 AM MDT
Expired
Jul 3, 2012, 9:00 PM MDT
In force
12 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 11 km from the middle of the area, began a volume at 09:52 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 00:00Z, 9.9 hours before the alert went out and 194 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 00:00Z on 2012-07-03Temperature 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 00:00Z on 2012-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
2279 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

072 
WWUS75 KMSO 030953
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
353 AM MDT TUE JUL 3 2012


MTZ005-043-031800-
/O.NEW.KMSO.WI.Y.0020.120703T1500Z-120704T0300Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
353 AM MDT TUE JUL 3 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WIND WILL BEGIN THIS MORNING
  AND CONTINUE UNTIL AROUND 9 PM THIS EVENING.

* WINDS: WEST WINDS 20 TO 30 MPH WITH GUSTS INTO THE 40S.


* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... 
  HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO 
  CONDON...I-90 EAST MISSOULA TO BEARMOUTH

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.

&&

$$

MTZ003-031800-
/O.NEW.KMSO.WI.Y.0020.120703T1500Z-120704T0300Z/
FLATHEAD/MISSION VALLEYS-
353 AM MDT TUE JUL 3 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WIND WILL BEGIN THIS MORNING
  AND CONTINUE UNTIL AROUND 9 PM THIS EVENING. BOATERS ON FLATHEAD
  LAKE SHOULD EXPECT CHOPPY WATER AND UNFAVORABLE BOATING
  CONDITIONS.

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS INTO THE 40S.

* LOCATIONS IMPACTED INCLUDE...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.

&&

$$
4 follow-up statements
283 
WWUS75 KMSO 030958
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
358 AM MDT TUE JUL 3 2012

MTZ005-043-040300-
/O.CON.KMSO.WI.Y.0020.120703T1500Z-120704T0300Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
358 AM MDT TUE JUL 3 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WIND WILL BEGIN THIS MORNING 
  AND CONTINUE UNTIL AROUND 9 PM THIS EVENING. 

* WINDS: WEST WINDS 20 TO 30 MPH WITH GUSTS ABOVE 40 MPH.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... 
  HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO 
  CONDON...I-90 EAST MISSOULA TO BEARMOUTH

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.

&&

$$

MTZ003-040300-
/O.CON.KMSO.WI.Y.0020.120703T1500Z-120704T0300Z/
FLATHEAD/MISSION VALLEYS-
358 AM MDT TUE JUL 3 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WIND WILL BEGIN THIS MORNING 
  AND CONTINUE UNTIL AROUND 9 PM THIS EVENING. BOATERS ON 
  FLATHEAD LAKE SHOULD EXPECT CHOPPY WATER AND UNFAVORABLE 
  BOATING CONDITIONS. 

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS ABOVE 40 MPH.

* LOCATIONS IMPACTED INCLUDE...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.

&&

$$
483 
WWUS75 KMSO 031841 AAA
NPWMSO

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
1241 PM MDT TUE JUL 3 2012

MTZ005-043-040300-
/O.CON.KMSO.WI.Y.0020.000000T0000Z-120704T0300Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
1241 PM MDT TUE JUL 3 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WINDS WILL CONTINUE UNTIL
  AROUND 9 PM THIS EVENING.

* WINDS: WEST 20 TO 30 MPH WITH GUSTS ABOVE 40 MPH.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA...
  HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO
  CONDON...I-90 EAST MISSOULA TO BEARMOUTH

&&

$$

MTZ003-040300-
/O.CON.KMSO.WI.Y.0020.000000T0000Z-120704T0300Z/
FLATHEAD/MISSION VALLEYS-
1241 PM MDT TUE JUL 3 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WINDS WILL CONTINUE UNTIL
  AROUND 9 PM THIS EVENING. BOATERS ON FLATHEAD LAKE SHOULD EXPECT
  CHOPPY WATER AND UNFAVORABLE BOATING CONDITIONS.

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS ABOVE 40 MPH.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
  MISSION VALLEY...POLSON


&&

$$
628 
WWUS75 KMSO 040027
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
627 PM MDT TUE JUL 3 2012

MTZ005-043-040130-
/O.CAN.KMSO.WI.Y.0020.000000T0000Z-120704T0300Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
627 PM MDT TUE JUL 3 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
ADVISORY. 

WINDS WILL REMAIN BELOW ADVISORY LEVEL THIS EVENING AND DECREASE
AFTER SUNSET.

$$

MTZ003-040300-
/O.CON.KMSO.WI.Y.0020.000000T0000Z-120704T0300Z/
FLATHEAD/MISSION VALLEYS-
627 PM MDT TUE JUL 3 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. 

* IMPACTS/TIMING: STRONG AND GUSTY WINDS WILL CONTINUE UNTIL 
  AROUND 9 PM THIS EVENING. BOATERS ON FLATHEAD LAKE SHOULD 
  EXPECT CHOPPY WATER AND UNFAVORABLE BOATING CONDITIONS. 

* WINDS: SOUTHWEST 20 MPH WITH GUSTS ABOVE 30 MPH.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE.

$$
507 
WWUS75 KMSO 040246
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
846 PM MDT TUE JUL 3 2012


MTZ003-040400-
/O.EXP.KMSO.WI.Y.0020.000000T0000Z-120704T0300Z/
FLATHEAD/MISSION VALLEYS-
846 PM MDT TUE JUL 3 2012

...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

THE WIND ADVISORY FOR FLATHEAD LAKE WILL EXPIRE AT 9 PM MDT THIS
EVENING.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 6:35 PM MDTAreal Flood WarningMSOLincoln6 days

Nearby

Wind Advisories in Montana, 2012Every wind advisory in 2012

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.