1 heavy snow, as filed by the National Weather Service.
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 Nov 24, 2:30 PM PST, 3 hours 30 minutes earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
230 PM PST SAT NOV 24 2001
A MAJOR WINTER STORM HAS SET UP OVER THE FORECAST AREA. A STACKED
SURFACE AND UPPER LOW PRESSURE SYSTEM WILL MOVE ACROSS OREGON
TONIGHT AND THEN NORTHEAST ACROSS EASTERN WASHINGTON AND NORTHERN
IDAHO BY SUNDAY MORNING. CURRENTLY THE SURFACE LOW IS LOCATED OVER
SOUTHERN OREGON WHICH IS CREATED A STRONG UPSLOPE FLOW WHICH IS
ADDING LIFT TO THE ALREADY DYNAMIC LIFT ASSOCIATED WITH THE UPPER
JET STREAM. THIS IS CREATING MODERATE TO HEAVY SNOW AT THIS TIME
ALONG THE BASE AND EAST SLOPES OF THE OREGON CASCADES. AS THE
SURFACE LOW MOVES NORTHEAST THE WINDS WILL SWITCH TO THE NORTHWEST
WHICH WILL CAUSE THE SNOW TO DECREASE OVER CENTRAL OREGON...BUT WILL
CAUSE THE PRECIPITATION TO INCREASE OVER NORTHEAST OREGON AND
SOUTHEAST WASHINGTON...ESPECIALLY IN UPSLOPE AREAS OF THE MOUNTAINS
AND FOOTHILLS. A HEAVY SNOW WARNING WILL REMAIN IN EFFECT TONIGHT
FOR CENTRAL OREGON. THE HEAVY SNOW WARNING WILL CONTINUE TONIGHT
AND SUNDAY FOR THE NORTHEAST OREGON AND SOUTHEAST WASHINGTON
MOUNTAINS THROUGH THE DAY SUNDAY...AS THERE WILL BE AN EXTENDED
PERIOD OF WRAP AROUND UPSLOPE FLOW INTO THESE MOUNTAINS ON SUNDAY.
HAVE DECIDED TO INCLUDE WALLOWA COUNTY...OREGON ZONE 50...INTO THE
WARNING AREA AS THE SURFACE LOW WILL TAKE A TRACK OVER WALLOWA
COUNTY AND THERE WILL BE AN UPSLOPE NORTHWEST FLOW THERE SUNDAY AS
WELL. THE CURRENT STORM SYSTEM WILL BEGIN TO MOVE OFF TO THE
NORTHEAST SUNDAY NIGHT WITH DRYING AND DECREASING SNOW ACROSS THE
FORECAST AREA FROM WEST TO EAST. EXPECT DRYING AND IMPROVING
CONDITIONS BY MONDAY. RSC.
EXTENDED...DRY AND COLD WITH NORTHWEST FLOW ON TUESDAY AND EARLY
WEDNESDAY. STRONG WARM AIR ADVECTION AND OVERRUNNING WILL SPREAD
PRECIPITATION BACK ACROSS THE FORECAST AREA LATE WEDNESDAY AS THE
NEXT SYSTEM APPROACHES COAST AND 140 KNOT JET DIVES SOUTH OVER
OREGON. WILL CONTINUE WITH A CHANCE OF PRECIPITATION THURSDAY AS LOW
MOVES THROUGH AND CONTINUE FRIDAY AND SATURDAY AS TROUGH REMAINS
OVER THE PACIFIC NORTHWEST WITH SEVERAL DISTURBANCES TO MOVE
THROUGH. LOHMANN
PDT +730 ALW +730 PSC +420 YKM +310
.KPDT...WSR-88D...VCP32/CSR21...OPERATIONAL.
.KPDT...HEAVY SNOW WARNING FOR OREGON ZONES 42 43 46 48 AND 50...AND
WASHINGTON ZONE 30 TONIGHT AND SUNDAY.
SNOW ADVISORY FOR WASHINGTON ZONE 25 TONIGHT.1 heavy snow. Local standard time, as filed.
The season's first winter storm over the Blue Mountains dumped 14 inches in 24 hours over Meacham Lake, which has an elevation of 3800 feet. At higher elevations, even more snow fell. Tollgate, at an elevation of 5100 feet, received 18 inches. This storm led to several minor accidents on Interstate 84 near Cabbage Hill.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2001Every state in 2001This day in weather historyWarnings in Oregon, November 2001
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: 5272745.