Snohomish County, Washington
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Watch/Warnings
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Snohomish County, Washington
« View county list

Flood Warning
WAC061-252345-
/O.EXT.KSEW.FA.W.0003.000000T0000Z-140425T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SNOHOMISH-
422 PM PDT THU APR 24 2014

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS EXTENDED THE

* FLOOD WARNING THE FOLLOWING WESTERN WASHINGTON COUNTIES...
NORTH CENTRAL SNOHOMISH COUNTY...

* UNTIL 445 PM PDT FRIDAY.

* FLOODING CONTINUES ON THE NORTH FORK OF THE STILLAGUAMISH RIVER
UPSTREAM OF THE SR 530 SLIDE DUE TO DEBRIS FROM THE STATE ROUTE
530 SLIDE PARTIALLY BLOCKING THE RIVER AND THE RESULTING POOLING
OF WATER BEHIND THE DEBRIS DAM. WE WILL BE UPDATING THE FLOOD
WARNING ON A DAY TO DAY BASIS.

* HEAVY RAIN WEDNESDAY NIGHT THROUGH THIS MORNING BROUGHT 0.85 TO
1.00 INCH OF RAIN THE AREA WITH A 1 TO 1.5 FOOT RISE ON THE
NORTH FORK OF THE STILLAGUAMISH RIVER. THE RIVER CRESTED THIS
AFTERNOON AND IS NOW RECEDING. SCATTERED SHOWERS TONIGHT AND
FRIDAY MAY BRING ANOTHER 0.25 INCHES OF RAIN...THEN ANOTHER 0.60
INCHES OR SO WITH A COLD FRONT AND SHOWERS SATURDAY NIGHT THROUGH
SUNDAY. THIS SYSTEM MAY PRODUCE SHARPER RISES ON THE RIVER AGAIN.

* AT 400 PM PDT THURSDAY...THE NORTH FORK OF THE STILLAGUAMISH
RIVER NEAR ARLINGTON WAS AT 6.03 FEET OR 5124 CFS. THE NORTH FORK
OF THE STILLAGUAMISH NEAR OSO WAS AT 218.01 FEET...OR 3322 CFS.

* AT 945 AM PDT THURSDAY...THE ELEVATION OF THE SLIDE POOL TO THE
EAST OF THE SR 530 LANDSLIDE WAS 283.36 FEET. THERE CONTINUES TO
BE A GREAT AMOUNT OF UNCERTAINTY IN THE FORECAST POOL ELEVATION
DUE IN PART TO LIMITED KNOWLEDGE OF HOW MUCH WATER THE NEW STREAM
CHANNEL THROUGH THE SLIDE DEBRIS WILL BE ABLE TO CONVEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WARNING MEANS FLOODING IS OCCURRING OR IMMINENT. MOST FLOOD
RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER
COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER
MOVE UP TO HIGHER GROUND.

&&

LAT...LON 4825 12181 4829 12185 4829 12177 4829 12166
4824 12165 4826 12174

$$


National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Fire Weather Watch
Flood Advisory
Flood Warning
Freeze Warning
Frost Advisory
High Wind Watch
Hydrologic Statement
Special Weather Statement
Wind Advisory
Winter Storm Warning
Winter Storm Watch
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
Advertisements
At Last! Intellicast now available for iPhone and Android