Alert archive / Montana / Wind Advisories in 2011

Wind Advisory 14, NWS Missoula, MT

May 14, 2011Missoula County, Ravalli County, Montana

NWS Missoula, MT issued this wind advisory at May 14, 2011, 10:44 PM MDT for Missoula County, Ravalli County, Montana. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 14, 2011, 10:44 PM MDT (04:44 UTC)
Expired
May 15, 2011, 4:00 AM MDT
In force
5 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 04:47 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, 4.7 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 00:00Z on 2011-05-15Temperature 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 2011-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.193958Sfc1 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
2956 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
208 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.

623 
WWUS75 KMSO 150444
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1044 PM MDT SAT MAY 14 2011


MTZ005-151000-
/O.NEW.KMSO.WI.Y.0014.110515T0444Z-110515T1000Z/
MISSOULA/BITTERROOT VALLEYS-
1044 PM MDT SAT MAY 14 2011

...WIND ADVISORY IN EFFECT UNTIL 4 AM MDT SUNDAY FOR MISSOULA...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY FOR MISSOULA...WHICH IS IN EFFECT UNTIL 4 AM MDT SUNDAY.

* IMPACTS/TIMING: STRONG EAST WINDS FUNNELING OUT OF HELLGATE
  CANYON IN EAST MISSOULA WILL BE IMPACTING THE MISSOULA VALLEY
  THROUGH EARLY SUNDAY MORNING. WINDS ARE EXPECTED TO DECREASE
  BELOW ADVISORY STRENGTH JUST BEFORE SUNRISE.

* WINDS: EAST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS UP TO 50
  MPH UNTIL EARLY SUNDAY MORNING. 

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.

&&

$$
2 follow-up statements
667 
WWUS75 KMSO 150912
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
312 AM MDT SUN MAY 15 2011

IDZ010-152100-
/O.NEW.KMSO.WI.Y.0015.110515T2000Z-110516T0400Z/
EASTERN LEMHI COUNTY-
312 AM MDT SUN MAY 15 2011

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
MDT THIS EVENING. 

* IMPACTS/TIMING: AS A SURFACE TROUGH APPROACHES AND WINDS ALOFT
  INCREASE...SOUTH WINDS ACROSS EASTERN LEMHI COUNTY WILL BE
  INCREASING THIS MORNING. WINDS WILL BE PEAKING THIS AFTERNOON
  AND EARLY EVENING...BEFORE DECREASING ONCE AGAIN.

* WINDS: SOUTHEAST WIND 15 TO 25 MPH WILL BE INCREASING THIS
  MORNING...BECOMING SOUTH 25 TO 35 MPH WITH GUSTS UP TO 50 MPH
  THIS AFTERNOON AND EARLY EVENING.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SALMON

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.

&&

$$

MTZ005-151015-
/O.CON.KMSO.WI.Y.0014.000000T0000Z-110515T1000Z/
MISSOULA/BITTERROOT VALLEYS-
312 AM MDT SUN MAY 15 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM MDT EARLY THIS
MORNING FOR MISSOULA...

A WIND ADVISORY FOR MISSOULA REMAINS IN EFFECT UNTIL 4 AM MDT
EARLY THIS MORNING. 

* IMPACTS/TIMING: STRONG EAST WINDS FUNNELING OUT OF HELLGATE
  CANYON IN EAST MISSOULA WILL BE IMPACTING THE MISSOULA VALLEY
  THROUGH EARLY THIS MORNING. WINDS ARE EXPECTED TO DECREASE
  BELOW ADVISORY STRENGTH JUST BEFORE SUNRISE.

* WINDS: EAST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS UP TO 50 MPH
  UNTIL EARLY THIS MORNING.

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.

&&

$$
267 
WWUS75 KMSO 151002
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
402 AM MDT SUN MAY 15 2011

MTZ005-151115-
/O.EXP.KMSO.WI.Y.0014.000000T0000Z-110515T1000Z/
MISSOULA/BITTERROOT VALLEYS-
402 AM MDT SUN MAY 15 2011

...WIND ADVISORY WILL EXPIRE AT 4 AM MDT EARLY THIS MORNING FOR
MISSOULA...

THE WIND ADVISORY FOR MISSOULA WILL EXPIRE AT 4 AM MDT EARLY THIS
MORNING.  

WHILE WINDS HAVE DECREASED BELOW ADVISORY CRITERIA...EASTERLY
WINDS 15 TO 30 MPH WILL CONTINUE THROUGH THE DAY AND INTO THIS
EVENING. 


$$

IDZ010-151815-
/O.CON.KMSO.WI.Y.0015.110515T2000Z-110516T0400Z/
EASTERN LEMHI COUNTY-
402 AM MDT SUN MAY 15 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
10 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
10 PM MDT THIS EVENING. 

* IMPACTS/TIMING: AS A SURFACE TROUGH APPROACHES AND WINDS ALOFT 
  INCREASE...SOUTH WINDS ACROSS EASTERN LEMHI COUNTY WILL BE 
  INCREASING THIS MORNING. WINDS WILL BE PEAKING THIS AFTERNOON 
  AND EARLY EVENING...BEFORE DECREASING ONCE AGAIN. 

* WINDS: SOUTHEAST WIND 15 TO 25 MPH WILL BE INCREASING THIS 
  MORNING...BECOMING SOUTH 25 TO 35 MPH WITH GUSTS UP TO 50 MPH 
  THIS AFTERNOON AND EARLY EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SALMON

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:50 AM MDTAreal Flood WarningMSOSanders59 hr

Nearby

Wind 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.