Alert archive / California / Winter Storm Warnings in 2011

Winter Storm Warning 1, NWS Eureka, CA

March 17, 2011

NWS Eureka, CA issued this winter storm warning at Mar 17, 2011, 3:42 AM PDT. It took effect at Mar 18, 2011, 12:00 AM PDT. It was in force for 18 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 17, 2011, 3:42 AM PDT (10:42 UTC)
In effect from
Mar 18, 2011, 12:00 AM PDT
Expired
Mar 18, 2011, 6:00 PM PDT
In force
18 hr
Issued by
NWS Eureka, CA

The text

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

984 
WWUS46 KEKA 171042
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
342 AM PDT THU MAR 17 2011

...SNOW TO RETURN TO NORTHWEST CALIFORNIA LATE TONIGHT AND
FRIDAY...

CAZ003-004-076-172245-
/O.UPG.KEKA.WS.A.0002.110318T0700Z-110319T0100Z/
/O.NEW.KEKA.WS.W.0001.110318T0700Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
342 AM PDT THU MAR 17 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
PDT FRIDAY ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER STORM
WARNING ABOVE 3000 FEET WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM PDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE ABOVE 3000
  FEET LATE TONIGHT INTO FRIDAY. HIGHEST ACCUMULATIONS ARE
  EXPECTED ABOVE 4000 FT WHERE MORE THAN A FOOT OF SNOW IS
  POSSIBLE.

* GUSTY SOUTHERLY WINDS TO 40 MPH WILL ALSO OCCUR ACROSS THE
  COASTAL MOUNTAIN RIDGES LATE TONIGHT.

* CHECK THE LATEST FORECASTS AND CALL 1-800-427- 7623 FOR 
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE 
  TRAVELING. 

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
6 follow-up statements
960 
WWUS46 KEKA 171458 CCA
WSWEKA

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE EUREKA CA
745 AM PDT THU MAR 17 2011

...SNOW TO RETURN TO NORTHWEST CALIFORNIA LATE TONIGHT AND
FRIDAY...

CAZ003-004-076-180300-
/O.UPG.KEKA.WS.A.0002.110318T0700Z-110319T0100Z/
/O.COR.KEKA.WS.W.0001.110318T0700Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
745 AM PDT THU MAR 17 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
PDT FRIDAY ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER STORM
WARNING ABOVE 3000 FEET WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM PDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED ABOVE 3000
  FEET LATE TONIGHT INTO FRIDAY. HIGHEST ACCUMULATIONS ARE
  EXPECTED ABOVE 4000 FT WHERE MORE THAN A FOOT OF SNOW IS
  POSSIBLE.

* GUSTY SOUTHERLY WINDS TO 40 MPH WILL ALSO OCCUR ACROSS THE
  COASTAL MOUNTAIN RIDGES LATE TONIGHT.

* CHECK THE LATEST FORECASTS AND CALL 1-800-427- 7623 FOR
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE
  TRAVELING.

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
086 
WWUS46 KEKA 172218
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
318 PM PDT THU MAR 17 2011

CAZ003-004-076-181130-
/O.CON.KEKA.WS.W.0001.110318T0700Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
318 PM PDT THU MAR 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM PDT FRIDAY ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 PM PDT FRIDAY. 

* SNOW ACCUMULATIONS OF 5 TO 12 INCHES ARE EXPECTED ABOVE 2500
  FEET LATE TONIGHT INTO FRIDAY. HIGHEST ACCUMULATIONS ARE
  EXPECTED ABOVE 4000 FT WHERE UP TO 18 INCHES OF SNOW IS POSSIBLE.

* GUSTY SOUTHERLY WINDS TO 40 MPH WILL ALSO OCCUR ACROSS THE 
  COASTAL MOUNTAIN RIDGES LATE TONIGHT.

* CHECK THE LATEST FORECASTS AND CALL 1-800-427-7623 FOR 
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE 
  TRAVELING.

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
476 
WWUS46 KEKA 181035
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
335 AM PDT FRI MAR 18 2011

CAZ003-004-076-181845-
/O.CON.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
335 AM PDT FRI MAR 18 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
6 PM PDT THIS EVENING. 

* SNOW ACCUMULATIONS OF 5 TO 12 INCHES ARE EXPECTED ABOVE 2500 
  FEET LATE TONIGHT INTO FRIDAY. HIGHEST ACCUMULATIONS ARE 
  EXPECTED ABOVE 4000 FT WHERE UP TO 18 INCHES OF SNOW IS 
  POSSIBLE. 

* GUSTY SOUTHERLY WINDS TO 40 MPH WILL ALSO OCCUR ACROSS THE
  COASTAL MOUNTAIN RIDGES BEFORE SUNRISE. 

* CHECK THE LATEST FORECASTS AND CALL 1-800-427-7623 FOR 
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE 
  TRAVELING.

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
470 
WWUS46 KEKA 181604
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
904 AM PDT FRI MAR 18 2011

CAZ003-004-076-190015-
/O.CON.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
904 AM PDT FRI MAR 18 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
6 PM PDT THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED
  ABOVE 2700 FEET TODAY.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
883 
WWUS46 KEKA 182227
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
327 PM PDT FRI MAR 18 2011

CAZ076-190630-
/O.NEW.KEKA.WS.A.0003.110320T1300Z-110321T0100Z/
/O.CON.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
MENDOCINO INTERIOR-
327 PM PDT FRI MAR 18 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING ABOVE 2500 FEET...

...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER STORM
WATCH ABOVE 3000 FEET...WHICH IS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON. A WINTER STORM WARNING ABOVE 2500 FEET
REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED
  ABOVE 2700 FEET THIS EVENING.

* 5 TO 10 INCHES OF SNOW IS POSSIBLE ABOVE 3000 FEET ON SUNDAY.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE 
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS 
  TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

CAZ003-004-190100-
/O.CON.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-
327 PM PDT FRI MAR 18 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
6 PM PDT THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED
  ABOVE 2500 FEET THIS EVENING.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE 
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS 
  TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT SNOW ACCUMULATIONS THAT
MAY IMPACT TRAVEL ARE EXPECTED. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
316 
WWUS46 KEKA 190114
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
614 PM PDT FRI MAR 18 2011

CAZ076-190915-
/O.EXP.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
/O.CON.KEKA.WS.A.0003.110320T1300Z-110321T0100Z/
MENDOCINO INTERIOR-
614 PM PDT FRI MAR 18 2011

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON ABOVE 3000 FEET...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WINTER STORM
WATCH ABOVE 3000 FEET REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON. 

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER STORM
WATCH ABOVE 3000 FEET...WHICH IS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON. A WINTER STORM WARNING ABOVE 2500 FEET
REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED 
  ABOVE 2700 FEET THIS EVENING. 

* 5 TO 10 INCHES OF SNOW IS POSSIBLE ABOVE 3000 FEET ON SUNDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

CAZ003-004-190215-
/O.EXP.KEKA.WS.W.0001.000000T0000Z-110319T0100Z/
NORTH COAST INTERIOR-UPPER TRINITY RIVER-
614 PM PDT FRI MAR 18 2011

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

SNOW AND ICE PELLET SHOWERS WILL CONTINUE THIS EVENING...BUT TAPER OFF
THROUGH THE EVENING. AN ADDITIONAL 1-2 INCHES OF SNOW CAN BE
EXPECTED ABOVE 2500 FEET.

* SLOW DOWN...ALLOW EXTRA TIME AND BE PREPARED FOR CHANGING 
  CONDITIONS.

* CHECK THE LATEST FORECASTS AND CALL 1-800-427- 7623 FOR 
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE 
  TRAVELLING. 

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.


$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 16, 6:15 PM PDTHigh Surf AdvisoryEKA4 hr
Mar 16, 8:53 PM PDTGale WarningEKA30 hr

Nearby

Winter Storm Warnings in California, 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.