1 flood, 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 Jul 11, 7:25 AM PST, 5 hours 20 minutes earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 825 AM PDT WED JUL 11 2001 SHORTWAVE MOVING OVER THE FORECAST AREA AT THIS TIME IS SETTING OFF SCATTERED SHOWERS FROM THE COLUMBIA BASIN EASTWARD. THE NEXT SHORT WAVE TO MOVE THROUGH THE FORECAST AREA THIS AFTERNOON IS CURRENTLY OVER THE NORTHERN CALIFORNIA/SOUTHWEST OREGON COAST AT THIS TIME. LIGHTNING STRIKES ARE ALREADY EVIDENT IN THIS LOCATION ON THE LIGHTNING PLOT. A CLEARING LINE FROM MADRAS OVER TO JOHN DAY IS MAKING ITS WAY NORTHWARD...AND EXPECT PARTLY CLOUDY SKIES THROUGH THE BASIN BY LATE MORNING/EARLY AFTERNOON. THIS CLEARING COMBINED WITH THE SHORT WAVE MOVING THROUGH THE FORECAST AREA WILL HELP DESTABILIZE THE ALREADY UNSTABLE ATMOSPHERE AND WILL ONCE AGAIN BRING SHOWERS AND THUNDERSTORMS TO THE FORECAST AREA THIS AFTERNOON. PRECIPITABLE WATER VALUES ARE ONCE AGAIN BETWEEN 120 AND 160 PERCENT OF NORMAL AT SURROUNDING UPPER AIR STATIONS THIS MORNING. THIS WILL RESULT IN WET THUNDERSTORMS THIS AFTERNOON...WITH SOME LOCALLY HEAVY RAINFALL AMOUNTS. WITH CURRENT SHOWER ACTIVITY AROUND THE FORECAST AREA THIS MORNING...DID AN UPDATE TO REMOVE AiFTERNOON WORDING. NO OTHER UPDATES EXPECTED AT THIS TIME. MEAD PDT 345 ALW 345 PSC 334 YKM 323 .KPDT...WSR-88D...VCP21/CSR21...OPERATIONAL. .KPDT...NONE.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
A heavy slow moving thunderstorm dumped one inch of rain in one hour over Sunriver. Many roads became awash when runoff overwhelmed the town's drainage ditches.
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, July 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: 5260836.