Alert archive / Montana / Wind Advisories in 2007

Wind Advisory 15, NWS Missoula, MT

November 12, 2007Missoula County, Ravalli County, Montana

NWS Missoula, MT issued this wind advisory at Nov 12, 2007, 3:45 PM MST for Missoula County, Ravalli County, Montana. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2007, 3:45 PM MST (22:45 UTC)
Expired
Nov 12, 2007, 11:00 PM MST
In force
7 hr
Issued by
NWS Missoula, MT

Counties Missoula County, MT, Ravalli County, MT

The radar

The Missoula radar (KMSX), 54 km from the middle of the area, began a volume at 22:49 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, 10.8 hours before the alert went out and 220 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 2007-11-12Temperature 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 2007-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 310 square meters per square second.1939587897117Sfc1 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
1865 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
310 m²/s²
0-3 km storm-relative helicity
311 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.

000 
WWUS75 KMSO 122245
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
345 PM MST MON NOV 12 2007

IDZ008-130600-
/O.CON.KMSO.HW.W.0002.000000T0000Z-071113T0600Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
245 PM PST MON NOV 12 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

STRONG SOUTH WINDS OF 35 MPH TO 50 MPH WITH GUSTS TO 70 MPH WILL
CONTINUE THROUGH THE EVENING.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE AND
DANGEROUS DRIVING CONDITIONS.

$$

IDZ007-130600-
/O.CON.KMSO.HW.W.0002.000000T0000Z-071113T0600Z/
OROFINO/GRANGEVILLE REGION-
245 PM PST MON NOV 12 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

STRONG SOUTH WINDS OF 35 MPH TO 50 MPH WITH GUSTS TO 70 MPH ARE
EXPECTED THROUGH THE EVENING ON THE CAMAS PRAIRIE. THE CLEARWATER
RIVER CANYON WILL BE SOMEWHAT SHELTERED... BUT STILL COULD SEE
WINDS OF 25 TO 30 MPH AT TIMES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE AND
DANGEROUS DRIVING CONDITIONS.

$$

MTZ007-130600-
/O.CON.KMSO.HW.W.0002.000000T0000Z-071113T0600Z/
BUTTE/BLACKFOOT REGION-
345 PM MST MON NOV 12 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

STRONG SOUTH WINDS OF 35 MPH TO 45 MPH WILL CONTINUE THROUGH THIS
EVENING. GUSTS TO 70 MPH ARE POSSIBLE BETWEEN ANACONDA AND
GARRISON.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE AND
DANGEROUS DRIVING CONDITIONS.

$$

MTZ005-130600-
/O.NEW.KMSO.WI.Y.0015.071112T2245Z-071113T0600Z/
MISSOULA/BITTERROOT VALLEYS-
345 PM MST MON NOV 12 2007

...WIND ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. 

STRONG SOUTH WINDS SUSTAINED AT 25 TO 35 MPH WITH GUSTS UP TO 45
MPH WILL CONTINUE THROUGH THIS EVENING. AREAS MOST IMPACTED WILL
BE THE MISSOULA AREA AND SURROUNDING BENCHES THROUGH THE
MISSOULA/BITTERROOT VALLEY.

A WIND ADVISORY MEANS THAT STRONG WINDS ARE EXPECTED. DRIVING MAY
BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE
EXTRA CAUTION.

$$

MTZ003-130600-
/O.CON.KMSO.LW.Y.0010.000000T0000Z-071113T0600Z/
FLATHEAD/MISSION VALLEYS-
345 PM MST MON NOV 12 2007

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

STRONG SOUTH WINDS UP TO 25 MPH WITH GUSTS TO 40 MPH ARE EXPECTED
THROUGH THE EVENING.

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

$$
1 follow-up statement
000 
WWUS75 KMSO 130547
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1047 PM MST MON NOV 12 2007

IDZ008-130700-
/O.EXP.KMSO.HW.W.0002.000000T0000Z-071113T0600Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
947 PM PST MON NOV 12 2007

...HIGH WIND WARNING WILL EXPIRE AT 10 PM PST THIS EVENING...

WINDS HAVE DECREASED SIGNIFICANTLY THIS EVENING BEHIND THE PASSAGE
OF A COLD FRONT. HOWEVER...LOCAL SOUTHWEST TO WEST WINDS AT 20 TO
25 MPH WITH GUSTS TO 35 MPH CAN BE EXPECTED TO CONTINUE FOR THE
NEXT HOUR.

$$

IDZ007-130700-
/O.EXP.KMSO.HW.W.0002.000000T0000Z-071113T0600Z/
OROFINO/GRANGEVILLE REGION-
947 PM PST MON NOV 12 2007

...HIGH WIND WARNING WILL EXPIRE AT 10 PM PST THIS EVENING...

WINDS HAVE DECREASED SIGNIFICANTLY THIS EVENING BEHIND THE PASSAGE
OF A COLD FRONT. HOWEVER...SOUTHWEST TO WEST WINDS AT 20 TO 25
MPH WITH GUSTS TO 35 MPH CAN BE EXPECTED TO CONTINUE FOR THE NEXT
HOUR IN THE GRANGEVILLE AREA.

$$

MTZ005-130700-
/O.EXP.KMSO.WI.Y.0015.000000T0000Z-071113T0600Z/
MISSOULA/BITTERROOT VALLEYS-
1047 PM MST MON NOV 12 2007

...WIND ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING...

WINDS HAVE DECREASED SIGNIFICANTLY THIS EVENING BEHIND THE PASSAGE
OF A COLD FRONT. HOWEVER...LOCAL SOUTHWEST TO WEST WINDS AT 15 TO
20 MPH WITH GUSTS UP TO 30 MPH WILL CONTINUE OVER THE NEXT HOUR.

$$

MTZ003-130700-
/O.EXP.KMSO.LW.Y.0010.000000T0000Z-071113T0600Z/
FLATHEAD/MISSION VALLEYS-
1047 PM MST MON NOV 12 2007

...LAKE WIND ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING...

WINDS HAVE DECREASED SIGNIFICANTLY THIS EVENING BEHIND THE PASSAGE
OF A COLD FRONT. HOWEVER...LOCAL SOUTHWEST TO WEST WINDS AT 15 TO
20 MPH WITH GUSTS UP TO 30 MPH WILL CONTINUE OVER THE NEXT HOUR.

$$

MTZ007-130900-
/O.EXT.KMSO.HW.W.0002.000000T0000Z-071113T0900Z/
BUTTE/BLACKFOOT REGION-
1047 PM MST MON NOV 12 2007

...HIGH WIND WARNING NOW IN EFFECT UNTIL 2 AM MST TUESDAY...

STRONG SOUTH WINDS OF 35 TO 45 MPH WITH GUSTS TO 55 MPH WILL
CONTINUE THROUGH THE EVENING. WINDS ARE EXPECTED TO DECREASE LATE
TONIGHT BEHIND THE PASSAGE OF A COLD FRONT.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. VERY STRONG WINDS CAN LEAD TO PROPERTY DAMAGE AND
DANGEROUS DRIVING CONDITIONS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 3:44 AM MSTWinter Storm WarningMSOGranite, Lake, Missoula, Powell, Ravalli26 hr
Nov 12, 9:40 AM MSTHigh Wind WarningMSODeer Lodge, Granite, Powell, Silver Bow16 hr
Nov 12, 9:40 AM MSTLake Wind AdvisoryMSOFlathead, Lake, Sanders13 hr
Nov 12, 1:45 PM MSTSnow and Blowing Snow AdvisoryMSOMineral, Missoula, Sanders9 hr

Nearby

Wind Advisories in Montana, 2007Every wind advisory in 2007

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.