Alert archive / Washington / Winter Weather Advisories in 2021

Winter Weather Advisory 21, NWS Seattle, WA

March 3, 2021

NWS Seattle, WA issued this winter weather advisory at Mar 3, 2021, 3:40 PM PST. It took effect at Mar 4, 2021, 10:00 AM PST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Mar 3, 2021, 3:40 PM PST (23:40 UTC)
In effect from
Mar 4, 2021, 10:00 AM PST
Expired
Mar 5, 2021, 10:00 AM PST
In force
24 hr
Issued by
NWS Seattle, WA

The text

As transmitted.

522 
WWUS46 KSEW 032340
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
340 PM PST Wed Mar 3 2021

WAZ513-040745-
/O.NEW.KSEW.WW.Y.0021.210304T1800Z-210305T1800Z/
Olympics-
including Hurricane Ridge
340 PM PST Wed Mar 3 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 10 AM
PST FRIDAY ABOVE 3000 FEET...

* WHAT...Snow expected above 3000 feet. Total snow accumulations
  of up to 8 to 17 inches possible.

* WHERE...Olympic mountains and valleys, including Hurricane Ridge.

* WHEN...From 10 AM Thursday to 10 AM PST Friday.

* IMPACTS...Travel could be very difficult to impossible at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
3 follow-up statements
043 
WWUS46 KSEW 041049
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
249 AM PST Thu Mar 4 2021

WAZ513-050000-
/O.CON.KSEW.WW.Y.0021.210304T1800Z-210305T1800Z/
Olympics-
249 AM PST Thu Mar 4 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 10 AM PST FRIDAY ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations
  of 6 to 15 inches.

* WHERE...Olympic mountains including Hurricane Ridge.

* WHEN...From 10 AM this morning to 10 AM PST Friday.

* IMPACTS...Travel could be very difficult to impossible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
383 
WWUS46 KSEW 042105
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
105 PM PST Thu Mar 4 2021

WAZ513-051215-
/O.CON.KSEW.WW.Y.0021.000000T0000Z-210305T1800Z/
Olympics-
105 PM PST Thu Mar 4 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations 
  of 6 to 15 inches.

* WHERE...Olympic mountains including Hurricane Ridge.

* WHEN...through 10 AM PST Friday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
486 
WWUS46 KSEW 051202
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
402 AM PST Fri Mar 5 2021

WAZ513-051800-
/O.CON.KSEW.WW.Y.0021.000000T0000Z-210305T1800Z/
Olympics-
402 AM PST Fri Mar 5 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 4000 FEET...

* WHAT...Snow continued above 4000 feet. Additional snow
  accumulations of up to 6 inches. Winds gusting as high as 40 
  mph.

* WHERE...Olympic mountains including Hurricane Ridge.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 3:09 AM PSTGale WarningSEW65 hr
Mar 3, 3:09 AM PSTSmall Craft AdvisorySEW6 days

Nearby

Winter Weather Advisories in Washington, 2021Every winter weather advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.