Alert archive / Idaho / Wind Advisories in 2012

Wind Advisory 3, NWS Missoula, MT

January 17, 2012Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this wind advisory at Jan 17, 2012, 3:48 PM PST for Clearwater County, Idaho County, Idaho. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2012, 3:48 PM PST (23:48 UTC)
Expired
Jan 17, 2012, 6:13 PM PST
In force
2 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID

The radar

The Missoula radar (KMSX), 148 km from the middle of the area, began a volume at 23:53 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, 11.8 hours before the alert went out and 172 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 2012-01-17Temperature 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 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
962 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
270 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.

600 
WWUS75 KMSO 172348
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
448 PM MST TUE JAN 17 2012

...STRONG SOUTHERLY WINDS NEAR GRANGEVILLE AND VICINITY THROUGH
THIS EVENING...

IDZ007-180900-
/O.NEW.KMSO.WI.Y.0003.120117T2348Z-120118T0900Z/
OROFINO/GRANGEVILLE REGION-
348 PM PST TUE JAN 17 2012

...WIND ADVISORY IN EFFECT UNTIL 1 AM PST WEDNESDAY FOR
GRANGEVILLE AND VICINITY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND
ADVISORY FOR GRANGEVILLE AND VICINITY...WHICH IS IN EFFECT UNTIL
1 AM PST WEDNESDAY. 

* IMPACTS/TIMING: GUSTY WINDS WILL BE PRESENT IN GRANGEVILLE AND
  VICINITY THROUGH LATE THIS EVENING...AHEAD OF A STRONG SNOW
  PRODUCING STORM SYSTEM. HIGH PROFILE VEHICLES MAY HAVE
  DIFFICULTY MAINTAINING CONTROL AT TIMES ALONG HIGHWAY 95.

* WINDS: SOUTH 25 TO 35 MPH...GUSTING 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.

&&

$$
1 follow-up statement
408 
WWUS75 KMSO 180213
NPWMSO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
713 PM MST TUE JAN 17 2012

IDZ007-180315-
/O.CAN.KMSO.WI.Y.0003.000000T0000Z-120118T0900Z/
OROFINO/GRANGEVILLE REGION-
613 PM PST TUE JAN 17 2012

...WIND ADVISORY IS CANCELLED...

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

WIND DRIVEN SNOW HAS DEVELOPED OVER THE CAMAS PRAIRIE THIS
EVENING. WINTER WEATHER HIGHLIGHTS NOW IN EFFECT.

$$

Nearby

Wind Advisories in Idaho, 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.