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 Apr 10, 7:30 AM PST, 30 minutes earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
830 AM PDT TUE APR 10 2001
IS TODAY APRIL 10 OR DECEMBER 10? OVER THE NEXT 24 HOURS...ONE WILL
THINK IT IS DECEMBER. A BROAD UPPER TROUGH OVER WESTERN CANADA WILL
DUMBBELL AROUND WITH A STRONG SHORTWAVE DROPPING SOUTH OVER THE
PACIFIC NW TONIGHT. COLD AIR AT THE SURFACE WILL ALSO FILTER EAST
OF THE CASCADES WITH THE SURFACE LOW DEVELOPING OVER NE OREGON BY
12Z WEDNESDAY. WITH SIGNIFICANT LIFT AND FAIRLY DEEP
MOISTURE...HEAVY SNOW CAN BE EXPECTED OVER THE EASTERN MOUNTAINS.
THE BLUE MOUNTAIN FOOTHILLS WILL ALSO SEE MODERATE TO HEAVY SNOW
TONIGHT AND WEDNESDAY MORNING. THE HEAVY SNOW WARNINGS AND SNOW
ADVISORIES ISSUED BY MID SHIFT LOOK RIGHT ON TRACK.
A NW FLOW ALOFT IS ALREADY PROVIDING A FEW SNOW SHOWERS OVER THE
BLUE MOUNTAINS. MOISTURE WILL INCREASE AHEAD OF THE NEXT WEATHER
SYSTEM WITH SCATTERED SHOWERS EXPECTED THIS AFTERNOON. ONLY MINOR
UPDATES WERE MADE TO CURRENT FORECAST. SMITH
PDT 586 ALW 586 PSC 363 YKM 263
.KPDT...WSR-88D...VCP32/CSR21...OPERATIONAL.
.KPDT...SNOW ADVISORY FOR OR ZONE 46 AND WA ZONE 30 TONIGHT...
...SNOW ADVISORY FOR OR ZONE 42-43-45-47-49 AND WA ZONE 29
LATE TONIGHT INTO EARLY WEDNESDAY...
...HEAVY SNOW WARNING FOR OR ZONES 48 AND 50 FOR LATE TONIGHT
AND WEDNESDAY...1 heavy snow. Local standard time, as filed.
24 inches of snow fell at Tollgate (Elevation 5100 feet) in 24 hours. Lesser amounts fell at lower elevations. At Meacham, 8 inches fell at an elevation of 4000 feet.
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, April 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: 5240409.