1 lightning, 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 Aug 14, 1:30 PM PST, 0 minutes earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 230 PM PDT TUE AUG 14 2001 WITH WEAK INSTABILITY OVER THE AREA AND STRONG AFTERNOON HEATING...A COUPLE OF THUNDERSTORMS HAVE DEVELOPED OVER THE NORTHEASTERN CORNER OF PDT/S FORECAST AREA. STORMS TO REMAIN ISOLATED AND SHOULD DISSIPATE WITH SUNSET. THUNDERSTORM CHANCES WILL DIMINISH OVER THE NEXT COUPLE OF DAYS. HOWEVER...CAN NOT COMPLETELY RULE OUT ISOLATED THUNDERSTORM ACTIVITY OVER OUR EASTERN MOUNTAINS THROUGH THE SHORT TERM. OTHERWISE...A QUITE WEATHER PATTERN WITH AN UPPER LEVEL RIDGE WITH A COUPLE OF EMBEDDED IMPULSES IN THE FLOW. AT LOWER LEVELS...A THERMAL TROUGH OVER THE REGION WILL CONTINUE TO KEEP TEMPERATURES WELL ABOVE NORMAL. HOWEVER...SMOKE FROM AREA WILDFIRES WILD CARD IN TEMP FORECAST...THOUGH SHOULD NOT PREVENT AFTERNOON HIGHS FROM REACHING AROUND 100 DEGREES OVER THE BASIN AREAS EACH DAY. MJB. .EXTENDED...UPPER RIDGE FINALLY MOVES EAST OF THE FORECAST AREA FRIDAY AS A TROUGH APPROACHES THE WEST COAST. THE MAIN LIFT ASSOCIATED WITH THIS FEATURE WILL REMAIN OVER CANADA. HOWEVER... DAYTIME HEATING AND MARGINAL MOISTURE SHOULD COMBINE TO PRODUCE SOME WEAK CONVECTION OVER THE MOUNTAINS FRIDAY. A MARINE PUSH WILL SWEEP ACROSS THE AREA FRIDAY WITH COOLER TEMPERATURES AND LOCALLY BREEZY CONDITIONS IN ITS WAKE. RELATIVE ZONAL FLOW WILL PERSIST THROUGH EARLY NEXT WEEK FOR CONTINUED DRY WEATHER WITH TEMPERATURES REMAINING NEAR NORMAL. PDT 0000 ALW 0000 PSC 0000 YKM 0000 .KPDT...WSR-88D...VCP21/CSR21...OPERATIONAL. .KPDT...NONE.
The national radar mosaic for the moment the first event began.
1 lightning. Local standard time, as filed.
Lightning sparked the Horse Creek fire, which burned over 15,000 acres along a ridge between Horse Creek and the Imnaha River. This fire, which was finally contained on the 24th of August, threatened the town of Imnaha and led to the closure of Hat Point Road.
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, August 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: 5265699.