1 heavy snow, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pendleton, OR wrote its last area forecast discussion before the first event at Dec 1, 8:41 AM PST, 5 hours 29 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OREGON 841 AM PST MON DEC 1 2003 .SHORT TERM...HAVE MADE A COUPLE OF UPDATES TO THE ZONES THIS MORNING MAINLY ALONG THE EAST SLOPES OF THE WASHINGTON CASCADES. COLD AIR DAMMING IS LOWERING SLOW LEVELS IN THE EAST SLOPES REGION. THIS IS RESULTING IN SNOW LEVELS DOWN TO MANY VALLEY LOCATIONS WITH A POSSIBLE 1 TO 2 INCHES THIS MORNING BEFORE PRECIP ENDS OR TURNS TO SHOWERS. FURTHER EAST PRECIPITATION IS MAINLY RAIN THROUGHOUT THE LOWER COLUMBIA BASIN. MAIN PRECIPITATION BAND WILL LIFT NORTH INTO NORTHERN WASHINGTON LATE THIS MORNING WITH JUST SCATTERED SHOWERS ACROSS THE FORECAST AREA THIS AFTERNOON. UPPER LEVEL LOW OFF THE COAST WILL MOVE INLAND LATE TODAY AND TONIGHT KEEPING SOME SHOWERS PERSISTING OVERNIGHT. THEN A BRIEF BREAK TUESDAY AHEAD OF ANOTHER SYSTEM THAT ARRIVES TUESDAY NIGHT. MORE ON THIS IN AFTERNOON AFD. && .PRELIMINARY POINT TEMPS/POPS... PENDLETON (AIRPORT) 45 33 45 / 30 10 05 WALLA WALLA 44 36 44 / 30 05 05 TRI-CITIES 45 31 45 / 60 05 05 YAKIMA 43 29 45 / 60 10 05 && .PDT WATCHES/WARNINGS/ADVISORIES... OR...DENSE FOG ADVISORY FOR CENTRAL AND NORTH CENTRAL OREGON THROUGH THIS MORNING... WA...NONE. && 91
ORZ041>050-WAZ024>030-021300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 440 AM PST MON DEC 1 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON. .DAY ONE... A STORM SYSTEM MOVING INTO NORTHERN CALIFORNIA WILL CONTINUE TO SEND MOISTURE NORTH ACROSS OREGON AND WASHINGTON TODAY. LIGHT TO MODERATE PRECIPITATION CAN BE EXPECTED FROM THIS SYSTEM...PRIMARILY THIS MORNING. CHANCES OF PRECIPITATION SHOULD GRADUALLY DECREASE THROUGH THE DAY. AREAS OF FOG CONTINUE OVER PORTIONS OF CENTRAL OREGON AND THE BLUE MOUNTAIN FOOTHILLS OF OREGON AND WASHINGTON THIS MORNING. SOME OF THIS FOG IS DENSE...AND AS A RESULT A DENSE FOG ADVISORY CONTINUES FOR THESE AREAS THROUGH THE MORNING. SEE THE LATEST FOG ADVISORY OR NPWPDT OR WWUS76 KPDT NPWPDT FOR DETAILS. SNOW LEVELS WILL REMAIN ABOVE 5500 FEET TODAY. .DAYS TWO THROUGH SEVEN... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. UNSETTLED WEATHER CONDITIONS ARE EXPECTED TO CONTINUE THROUGH NEXT WEEKEND. TIMING OF INDIVIDUAL STORMS WILL BE DIFFICULT...BUT THERE SHOULD BE A STORM ROUGHLY EVERY OTHER DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
Four inches of snow fell in Ellensburg, with the onset of snow starting at 8:15 AM.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2003Every state in 2003This day in weather historyWarnings in Washington, December 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5330615.