Alert archive / Washington / Winter Storm Warnings in 2011

Winter Storm Warning 8, NWS Spokane, WA

March 13, 2011

NWS Spokane, WA issued this winter storm warning at Mar 13, 2011, 4:18 AM PDT. It took effect at Mar 13, 2011, 8:00 AM PDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 13, 2011, 4:18 AM PDT (11:18 UTC)
In effect from
Mar 13, 2011, 8:00 AM PDT
Expired
Mar 13, 2011, 11:00 PM PDT
In force
15 hr
Issued by
NWS Spokane, WA

The text

As transmitted, in the capitals the NWS used until 2016.

732 
WWUS46 KOTX 131118
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
418 AM PDT SUN MAR 13 2011

...HEAVY SNOWFALL EXPECTED IN THE CASCADES THIS MORNING THROUGH
THE EVENING...

.A VERY MOIST STORM WILL MOVE INTO THE NORTHERN CASCADES THIS 
MORNING...BRINGING HEAVY SNOW TO THE AREA THROUGH THIS EVENING.
ALTHOUGH SNOW IS EXPECTED AT ALL ELEVATIONS THIS MORNING...IT WILL
LIKELY MIX WITH RAIN IN THE VALLEYS BELOW 3000 FEET THIS
AFTERNOON. 

WAZ042-132100-
/O.UPG.KOTX.WS.A.0005.110313T1500Z-110314T0600Z/
/O.NEW.KOTX.WS.W.0008.110313T1500Z-110314T0600Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS
418 AM PDT SUN MAR 13 2011

...WINTER STORM WARNING IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
PDT THIS EVENING ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM
WARNING ABOVE 3000 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 8
AM THIS MORNING TO 11 PM PDT THIS EVENING. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER THE MOUNTAINS WITH 1 TO
  2 INCHES IN THE VALLEYS.

* ELEVATION: ABOVE 3000 FEET...ALTHOUGH SNOW WILL BE POSSIBLE IN
  THE VALLEYS EARLY THIS MORNING.

* TIMING: SNOW WILL START TO FALL LATER THIS MORNING AND CONTINUE
  THROUGH THE EVENING.

* LOCATIONS INCLUDE: BLEWETT PASS...LOUP LOUP PASS

* WINDS: SOUTHEAST WINDS 10 TO 15 MPH.

* IMPACTS: TRAVEL CONDITIONS OVER THE PASSES...INCLUDING BLEWETT
  AND LOUP LOUP...COULD BECOME HAZARDOUS DUE TO WINTER DRIVING
  CONDITIONS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR ELEVATIONS ABOVE 3000 FEET MEANS THAT
TRAVEL THROUGH THE MOUNTAINS WILL BE DANGEROUS OR IMPOSSIBLE. EVEN
THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW
ELEVATIONS...DRIVING ACROSS THE PASSES COULD BE HAZARDOUS.

&&

$$
3 follow-up statements
503 
WWUS46 KOTX 132015 AAA
WSWOTX

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SPOKANE WA
115 PM PDT SUN MAR 13 2011

...HEAVY SNOWFALL EXPECTED TO CONTINUE IN THE CASCADES THROUGH
THIS EVENING...

.A VERY MOIST STORM WILL BRING HEAVY SNOW TO THE AREA THROUGH
THIS EVENING. ALTHOUGH SNOW IS EXPECTED AT ALL LOCATIONS...THE
RAIN WILL MIX WITH SNOW IN THE VALLEYS BELOW 2000 FEET. 

WAZ042-140415-
/O.CON.KOTX.WS.W.0008.000000T0000Z-110314T0600Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS
115 PM PDT SUN MAR 13 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING ABOVE 3000 FEET...

A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL
11 PM PDT THIS EVENING. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER THE MOUNTAINS WITH 1 TO
  3 INCHES IN THE VALLEYS. TEMPERATURES IN THE MID 30S HAVE HELPED
  LIMIT SIGNIFICANT ACCUMULATIONS TO GRASSY SURFACES BELOW 2000
  FEET. 

* ELEVATION: ABOVE 3000 FEET...THOUGH ACCUMULATING SNOWS WILL FALL
  IN MOST VALLEYS. 

* TIMING: SNOW WILL CONTINUE THROUGH THE EVENING.

* LOCATIONS INCLUDE: BLEWETT PASS...LOUP LOUP PASS

* WINDS: SOUTHEAST WINDS 10 TO 15 MPH.

* IMPACTS: TRAVEL CONDITIONS OVER THE PASSES...INCLUDING BLEWETT
  AND LOUP LOUP...WILL BE HAZARDOUS DUE TO WINTER DRIVING
  CONDITIONS. THIS IS ALSO TRUE ALONG HIGHWAY 2 FROM AROUND
  LEAVENWORTH WEST TO THE CASCADE CREST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR ELEVATIONS ABOVE 3000 FEET MEANS THAT
TRAVEL THROUGH THE MOUNTAINS WILL BE DANGEROUS OR IMPOSSIBLE.
EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW
ELEVATIONS...DRIVING ACROSS THE PASSES COULD BE HAZARDOUS.

&&

$$
799 
WWUS46 KOTX 140323
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
823 PM PDT SUN MAR 13 2011

...HEAVY SNOWFALL EXPECTED TO CONTINUE IN THE CASCADES THROUGH
THIS EVENING...

.A VERY MOIST STORM WILL BRING HEAVY SNOW TO THE AREA THROUGH
THIS EVENING. ALTHOUGH SNOW IS EXPECTED AT ALL LOCATIONS...THE
RAIN WILL MIX WITH SNOW IN THE VALLEYS BELOW 2000 FEET.

WAZ042-140600-
/O.CON.KOTX.WS.W.0008.000000T0000Z-110314T0600Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS
823 PM PDT SUN MAR 13 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING ABOVE 3000 FEET...

A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL
11 PM PDT THIS EVENING. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER THE MOUNTAINS WITH 1 
  TO 3 INCHES IN THE VALLEYS. TEMPERATURES IN THE MID 30S HAVE 
  HELPED LIMIT SIGNIFICANT ACCUMULATIONS TO GRASSY SURFACES 
  BELOW 2000 FEET. 

* ELEVATION: ABOVE 3000 FEET...THOUGH ACCUMULATING SNOWS WILL
  FALL IN MOST VALLEYS. 

* TIMING: SNOW WILL CONTINUE THROUGH THE EVENING.

* LOCATIONS INCLUDE: BLEWETT PASS...LOUP LOUP PASS

* WINDS: SOUTHEAST WINDS 10 TO 15 MPH.

* IMPACTS: TRAVEL CONDITIONS OVER THE PASSES...INCLUDING 
  BLEWETT AND LOUP LOUP...WILL BE HAZARDOUS DUE TO WINTER 
  DRIVING CONDITIONS. THIS IS ALSO TRUE ALONG HIGHWAY 2 FROM 
  AROUND LEAVENWORTH WEST TO THE CASCADE CREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR ELEVATIONS ABOVE 3000 FEET MEANS THAT
TRAVEL THROUGH THE MOUNTAINS WILL BE DANGEROUS OR IMPOSSIBLE.
EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW
ELEVATIONS...DRIVING ACROSS THE PASSES COULD BE HAZARDOUS.

&&

$$
353 
WWUS46 KOTX 140554
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1054 PM PDT SUN MAR 13 2011



WAZ042-140700-
/O.EXP.KOTX.WS.W.0008.000000T0000Z-110314T0600Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS
1054 PM PDT SUN MAR 13 2011

...WINTER STORM WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING
ABOVE 3000 FEET...

THE WINTER STORM WARNING ABOVE 3000 FEET WILL EXPIRE AT 11 PM PDT
THIS EVENING. 

STEADY SNOW HAS ENDED ACROSS THE CASCADES. SCATTERED SNOW SHOWERS
WILL CONTINUE OVERNIGHT WITH AN ADDITIONAL INCH OR TWO OF
ACCUMULATION.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 10:39 PM PSTWinter Storm WatchOTX5 hr

Nearby

Winter Storm Warnings in Washington, 2011Every winter storm warning 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.