638  
WGUS46 KSEW 210012  
FLWSEW  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE SEATTLE WA  
512 PM PDT FRI MAR 20 2026  
 
WAC073-211200-  
/O.NEW.KSEW.FA.W.0001.260321T0012Z-260321T1200Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
WHATCOM WA-  
512 PM PDT FRI MAR 20 2026  
   
..FLOOD WARNING IN EFFECT UNTIL 5 AM PDT SATURDAY
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTHWEST WASHINGTON, INCLUDING THE FOLLOWING  
COUNTY, WHATCOM.  
 
* WHEN...UNTIL 500 AM PDT SATURDAY.  
 
* IMPACTS...NOOKSACK RIVER OVERFLOW FLOODING AT EVERSON IS IMMINENT  
OR OCCURRING ALONG AN ABANDONED NOOKSACK RIVER SIDE CHANNEL,  
INCLUDING JOHNSON CREEK, FROM EVERSON NORTHWARDS.  
 
* ADDITIONAL DETAILS...  
- AT 454 PM PDT, STREAM GAUGE AND RIVER FORECASTS FOR THE  
NOOKSACK RIVER AT NORTH CEDARVILLE AND AT EVERSON IS EXPECTED  
INTO TONIGHT IN EVERSON, AT A SUFFICIENT LEVEL TO SPILL INTO  
AN ABANDONED NOOKSACK RIVER SIDE CHANNEL, INCLUDING JOHNSON  
CREEK; THE SPLIT FLOW WILL SEND FLOOD WATERS FLOWING FROM  
EVERSON NORTHWARDS BUT REMAINING SOUTH OF SUMAS.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
EVERSON AND NOOKSACK.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 4896 12235 4896 12231 4891 12233 4892 12237  
4894 12236  
 

 
 
JD  
 
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