Alert archive / Idaho / Wind Advisories in 2011

Wind Advisory 22, NWS Missoula, MT

November 11, 2011Clearwater County, Idaho County, Idaho; Missoula County, Ravalli County, Montana

NWS Missoula, MT issued this wind advisory at Nov 11, 2011, 3:33 AM PST for Clearwater County, Idaho County, Idaho; Missoula County, Ravalli County, Montana. It took effect at Nov 11, 2011, 12:00 PM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Nov 11, 2011, 3:33 AM PST (11:33 UTC)
In effect from
Nov 11, 2011, 12:00 PM PST
Expired
Nov 11, 2011, 10:00 PM PST
In force
10 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Missoula County, MT, Ravalli County, MT

The radar

The Missoula radar (KMSX), 93 km from the middle of the area, began a volume at 11:36 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, 11.6 hours before the alert went out and 188 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 2011-11-11Temperature 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 2011-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.19395878Sfc1 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
2085 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
138 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.

840 
WWUS75 KMSO 111133
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
433 AM MST FRI NOV 11 2011

IDZ007-112200-
/O.NEW.KMSO.WI.Y.0022.111111T2000Z-111112T1200Z/
OROFINO/GRANGEVILLE REGION-
333 AM PST FRI NOV 11 2011

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 4 AM PST SATURDAY
FOR THE CAMAS PRAIRIE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY FOR THE CAMAS PRAIRIE...WHICH IS IN EFFECT FROM NOON
TODAY TO 4 AM PST SATURDAY. 



* IMPACTS/TIMING: SOUTH WINDS WILL INCREASE AFTER NOON TO 30 MPH
  WITH GUSTS TO 40 MPH BY 4 PM. WINDS WILL PEAK AT 30 TO 35 MPH
  WITH GUSTS OVER 40 MPH IN THE EVENING. WINDS WILL TURN WEST AND
  DECREASE WITH FRONTAL PASSAGE TONIGHT AROUND MIDNIGHT.

* WINDS: WINDS WILL GUST TO 45 MPH WITH OCCASIONAL GUST TO 50 MPH
  POSSIBLE IN THE EVENING.



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.

&&

$$

MTZ003-112200-
/O.CON.KMSO.LW.Y.0013.111111T2100Z-111112T1200Z/
FLATHEAD/MISSION VALLEYS-
433 AM MST FRI NOV 11 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM MST SATURDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM MST SATURDAY. 

* IMPACTS/TIMING: WINDS WILL INCREASE THIS AFTERNOON AND 
  BECOME GUSTY IN THE EVENING. CHOPPY WATERS WILL RESULT IN 
  HAZARDOUS BOATING CONDITIONS. 

* WINDS: SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* WAVE HEIGHTS: 2 TO 3 FEET...LOCALLY UP TO 4 FEET.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$
4 follow-up statements
525 
WWUS75 KMSO 111509
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
809 AM MST FRI NOV 11 2011

IDZ007-112315-
/O.EXT.KMSO.WI.Y.0022.111111T2000Z-111112T0600Z/
OROFINO/GRANGEVILLE REGION-
709 AM PST FRI NOV 11 2011

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING FOR GRANGEVILLE AND VICINITY...

THE WIND ADVISORY FOR GRANGEVILLE AND VICINITY IS NOW IN EFFECT
FROM NOON TODAY TO 10 PM PST THIS EVENING. 

* IMPACTS/TIMING: SOUTH WINDS WILL INCREASE AFTER NOON TO 30 MPH 
  WITH GUSTS TO 40 MPH BY 4 PM. WINDS WILL PEAK AT 30 TO 35 MPH 
  WITH GUSTS OVER 40 MPH IN THE EVENING. WINDS WILL TURN WEST 
  AND DECREASE WITH FRONTAL PASSAGE TONIGHT AROUND MIDNIGHT. 

* WINDS: WINDS WILL GUST TO 45 MPH WITH OCCASIONAL GUST TO 50 
  MPH POSSIBLE IN THE EVENING. 

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.

&&

$$

MTZ003-112315-
/O.CON.KMSO.LW.Y.0013.111111T2100Z-111112T1200Z/
FLATHEAD/MISSION VALLEYS-
809 AM MST FRI NOV 11 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM MST SATURDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM MST SATURDAY. 

* IMPACTS/TIMING: WINDS WILL INCREASE THIS AFTERNOON AND BECOME 
  GUSTY IN THE EVENING. CHOPPY WATERS WILL RESULT IN HAZARDOUS 
  BOATING CONDITIONS. 

* WINDS: SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* WAVE HEIGHTS: 2 TO 3 FEET...LOCALLY UP TO 4 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$
456 
WWUS75 KMSO 112116
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
216 PM MST FRI NOV 11 2011

MTZ003-120530-
/O.CAN.KMSO.LW.Y.0013.000000T0000Z-111112T1200Z/
/O.NEW.KMSO.LW.Y.0014.111111T2200Z-111112T1200Z/
FLATHEAD/MISSION VALLEYS-
216 PM MST FRI NOV 11 2011

...LAKE WIND ADVISORY IN EFFECT UNTIL 5 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* IMPACTS/TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON AND
  BECOME GUSTY IN THE EVENING. CHOPPY WATERS WILL RESULT IN
  HAZARDOUS BOATING CONDITIONS.

* WINDS: SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* WAVE HEIGHTS: 2 TO 3 FEET...LOCALLY UP TO 4 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$

IDZ007-120530-
/O.CON.KMSO.WI.Y.0022.000000T0000Z-111112T0600Z/
OROFINO/GRANGEVILLE REGION-
116 PM PST FRI NOV 11 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING
FOR GRANGEVILLE AND VICINITY...

A WIND ADVISORY FOR GRANGEVILLE AND VICINITY REMAINS IN EFFECT
UNTIL 10 PM PST THIS EVENING. 

* IMPACTS/TIMING: SOUTH WINDS WILL CONTINUE TO INCREASE THIS
  AFTERNOON...PEAKING THIS EVENING. WINDS WILL TURN WEST AND
  DECREASE WITH FRONTAL PASSAGE AFTER MIDNIGHT TONIGHT.

* WINDS: SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

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.

&&

$$
552 
WWUS75 KMSO 120406
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
906 PM MST FRI NOV 11 2011

MTZ005-120900-
/O.EXB.KMSO.WI.Y.0022.000000T0000Z-111112T0900Z/
MISSOULA/BITTERROOT VALLEYS-
906 PM MST FRI NOV 11 2011

...WIND ADVISORY IN EFFECT UNTIL 2 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY
FOR THE BITTERROOT VALLEY...WHICH IS IN EFFECT UNTIL 2 AM MST
SATURDAY.

* IMPACTS/TIMING: STRONG GUSTY SOUTH WINDS THIS EVENING. WINDS
  WILL TURN WEST AND DECREASE WITH FRONTAL PASSAGE AFTER MIDNIGHT
  TONIGHT.

* WINDS: SOUTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

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.

&&

$$

IDZ007-120600-
/O.CON.KMSO.WI.Y.0022.000000T0000Z-111112T0600Z/
OROFINO/GRANGEVILLE REGION-
806 PM PST FRI NOV 11 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING
FOR GRANGEVILLE AND VICINITY...

A WIND ADVISORY FOR GRANGEVILLE AND VICINITY REMAINS IN EFFECT
UNTIL 10 PM PST THIS EVENING. 

* IMPACTS/TIMING: SOUTH WINDS WILL CONTINUE TO INCREASE THIS 
  AFTERNOON...PEAKING THIS EVENING. WINDS WILL TURN WEST AND 
  DECREASE WITH FRONTAL PASSAGE AFTER MIDNIGHT TONIGHT. 

* WINDS: SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

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.

&&

$$

MTZ003-121200-
/O.CON.KMSO.LW.Y.0014.000000T0000Z-111112T1200Z/
FLATHEAD/MISSION VALLEYS-
906 PM MST FRI NOV 11 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* IMPACTS/TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON AND 
  BECOME GUSTY IN THE EVENING. CHOPPY WATERS WILL RESULT IN 
  HAZARDOUS BOATING CONDITIONS. 

* WINDS: SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* WAVE HEIGHTS: 2 TO 3 FEET...LOCALLY UP TO 4 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$
986 
WWUS75 KMSO 120543
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1043 PM MST FRI NOV 11 2011

MTZ005-120645-
/O.CAN.KMSO.WI.Y.0022.000000T0000Z-111112T0900Z/
MISSOULA/BITTERROOT VALLEYS-
1043 PM MST FRI NOV 11 2011

...WIND ADVISORY IS CANCELLED...

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


$$

IDZ007-120645-
/O.EXP.KMSO.WI.Y.0022.000000T0000Z-111112T0600Z/
OROFINO/GRANGEVILLE REGION-
943 PM PST FRI NOV 11 2011

...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING FOR
GRANGEVILLE AND VICINITY...

THE WIND ADVISORY FOR GRANGEVILLE AND VICINITY WILL EXPIRE AT
10 PM PST THIS EVENING. 


$$

MTZ003-121200-
/O.CON.KMSO.LW.Y.0014.000000T0000Z-111112T1200Z/
FLATHEAD/MISSION VALLEYS-
1043 PM MST FRI NOV 11 2011

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* IMPACTS/TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON AND 
  BECOME GUSTY IN THE EVENING. CHOPPY WATERS WILL RESULT IN 
  HAZARDOUS BOATING CONDITIONS. 

* WINDS: SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* WAVE HEIGHTS: 2 TO 3 FEET...LOCALLY UP TO 4 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

NOTE...THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE
OF THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE
SIGNIFICANTLY LESS ON UPWIND SHORES.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 1:16 PM PSTLake Wind AdvisoryMSOFlathead, Lake, Sanders13 hr

Nearby

Wind Advisories in Idaho, 2011Wind Advisories in Montana, 2011Every wind advisory in 2011

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.