Alert archive / Idaho / Wind Advisories in 2011

Wind Advisory 13, NWS Spokane, WA

December 27, 2011Lewis County, Nez Perce County, Idaho

NWS Spokane, WA issued this wind advisory at Dec 27, 2011, 2:39 PM PST for Lewis County, Nez Perce County, Idaho. It took effect at Dec 27, 2011, 9:00 PM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 27, 2011, 2:39 PM PST (22:39 UTC)
In effect from
Dec 27, 2011, 9:00 PM PST
Expired
Dec 28, 2011, 1:00 PM PST
In force
16 hr
Issued by
NWS Spokane, WA

Counties Lewis County, ID, Nez Perce County, ID

The radar

The Spokane radar (KOTX), 174 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 158 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 2011-12-27Temperature 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 2011-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
735 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
247 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.

429 
WWUS76 KOTX 272239
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
239 PM PST TUE DEC 27 2011


IDZ027-280645-
/O.NEW.KOTX.WI.Y.0013.111228T0500Z-111228T2100Z/
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
INCLUDING THE CITIES OF...CRAIGMONT...NEZPERCE...WINCHESTER
239 PM PST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 PM PST
WEDNESDAY ABOVE 2000 FEET...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY ABOVE 2000 FEET FOR THE CAMAS PRAIRIE...WHICH IS IN
EFFECT FROM 9 PM THIS EVENING TO 1 PM PST WEDNESDAY.

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...SOUTH WINDS WILL INCREASE THIS EVENING...PEAKING DURING
  THE EARLY MORNING HOURS ON WEDNESDAY.

* IMPACTS...STRONG WINDS ACROSS EXPOSED PORTIONS OF HIGHWAY 95
  WILL MAKE DRIVING DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
769 
WWUS76 KOTX 280424
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
824 PM PST TUE DEC 27 2011

IDZ027-281500-
/O.CON.KOTX.WI.Y.0013.111228T0500Z-111228T2100Z/
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
INCLUDING THE CITIES OF...CRAIGMONT...NEZPERCE...WINCHESTER
824 PM PST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY ABOVE
2000 FEET...

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...SOUTH WINDS WILL INCREASE THIS EVENING...PEAKING 
  DURING THE EARLY MORNING HOURS ON WEDNESDAY. 

* IMPACTS...STRONG WINDS ACROSS EXPOSED PORTIONS OF HIGHWAY 95 
  WILL MAKE DRIVING DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
229 
WWUS76 KOTX 282058
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1258 PM PST WED DEC 28 2011

IDZ027-282200-
/O.EXP.KOTX.WI.Y.0013.000000T0000Z-111228T2100Z/
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
INCLUDING THE CITIES OF...CRAIGMONT...NEZPERCE...WINCHESTER
1258 PM PST WED DEC 28 2011

...WIND ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON ABOVE
2000 FEET...

THE WIND ADVISORY ABOVE 2000 FEET WILL EXPIRE AT 1 PM PST THIS
AFTERNOON. BREEZY AND GUSTY CONDITIONS WILL CONTINUE THROUGH THE
REST OF THE AFTERNOON...BUT WINDS WILL NOT ACHIEVE WIND ADVISORY
SPEEDS.


$$

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 26, 11:19 PM PSTWinter Weather AdvisoryOTXBenewah, Bonner, Boundary, Kootenai, Latah, Shoshone11 hr

Nearby

Wind Advisories in Idaho, 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.