1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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 Jun 18, 1:30 PM PST, 3 hours earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 230 PM PDT WED JUN 18 2003 CONCERN THIS PACKAGE IS WITH THE EXTEND OF THUNDERSTORMS THIS EVENING ALONG WITH RAIN CHANCES AND TEMPERATURES THE NEXT COUPLE OF DAYS. A MOISTURE PLUME OVER CENTRAL OREGON WILL CONTINUE TO BE THE TRIGGER FOR THUNDERSTORM DEVELOPMENT THIS EVENING. IN ADDITION A COLD FRONT WILL SLOWLY MOVE ACROSS THE CWA ALONG WITH A FAVORABLE REGION OF AN UPPER LEVEL JET WILL FURTHER DESTABILIZE THE ATMOSPHERE TO PRODUCE SOME STRONG THUNDERSTORMS THIS EVENING MAINLY EAST OF A LINE FROM WALLA WALLA TO JOHN DAY. IN ADDITION FORECAST SOUNDINGS INDICATED SOME VEERING WITH HEIGHT AND THERE IS A POTENTIAL FOR A SUPERCELL. OTHERWISE DRIER AND MORE STABLE AIR OVER THE WESTERN CWA WHERE TSRA ACTIVITY SHOULD BE LESS WILL PUSH EAST LATER TONIGHT BUT GET HUNG UP ALONG THE BLUE/WALLOWAS. MID LEVEL MOISTURE REMAINS OVER THE EASTERN FA MOUNTAINS THURSDAY AND TSRA ARE POSSIBLE HERE. THE REMAINDER OF THE CWA SHUD REMAIN DRY AND AFTN HIGH TEMPS WILL BE NOTICEABLY COOLER. ANOTHER DISTURBANCE WILL RACE ACROSS THE PACNW THURSDAY NIGHT AND SKIRT THE NW FA NEAR CLE ELUM WHERE SOME SHOWER ACTIVITY MAY DEVELOP PRIMARILY OVER THE WASHINGTON CASCADE CREST. SEVERAL DISTURBANCES WILL MOVE ACROSS THE PACIFIC NORTHWEST FRIDAY AND SATURDAY THAT MAY BRING ANOTHER ROUND OF SHOWERS TO THE WASHINGTON CASCADES AND BLUE MOUNTAINS INTO THE BEGINNING OF THE WEEKEND. TEMPERATURES THROUGH THE PERIOD WILL BE NEAR NORMAL. EXTENDED...THE UPPER LEVEL TROUGH OF LOW PRESSURE WILL REMAIN THE DOMINATE WEATHER FEATURE OVER THE PACIFIC NORTHWEST THROUGH MIDWEEK...WITH COOL AND UNSETTLED WEATHER CONDITIONS ACROSS OUR FORECAST AREA. A SERIES OF WAVES WILL BE MOVING AROUND THE TROUGH...BRINING MOSTLY MID AND HIGH LEVEL CLOUDS TO THE REGION...AS WELL AS MOUNTAIN SHOWERS...BREEZY WINDS AND COOLER TEMPERATURES. PALMER PDT 4-11 ALW 4-11 PSC 4-1- YKM 2-1- .KPDT...NONE.
ORZ041>050-WAZ024>030-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PENDLETON OR 455 AM PDT WED JUN 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON. .DAY ONE... TODAY A DRY COLD FRONT WILL MOVE EAST OF THE CASCADES TODAY. A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THIS AFTERNOON AND EVENING FOR THE YAKIMA VALLEY...THE EASTERN COLUMBIA RIVER GORGE... THE LOWER COLUMBIA BASIN AND THE FOOTHILLS OF THE BLUE MOUNTAINS FOR LOW RELATIVE HUMIDITIES AND BREEZY TO LOCALLY WINDY CONDITIONS ASSOCIATED WITH THE COLD FRONT. FOR MORE INFORMATION...REFER TO PRODUCT PDXRFWPDT (WWUS86 KPDT). IN ADDITION...SCATTERED THUNDERSTORMS ARE EXPECTED OVER THE MOUNTAINS OF NORTHEAST OREGON AND EXTREME SOUTHEAST WASHINGTON THIS AFTERNOON AND EVENING. ISOLATED STORMS MAY BECOME STRONG AND PRODUCE DAMAGING WIND GUSTS...MAINLY EAST OF A LINE FROM PRINEVILLE TO MEACHAM TO DAYTON. .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
ORZ044>050-WAZ028>030-182230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENDLETON OR 140 PM PDT WED JUN 18 2003 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEASTERN WASHINGTON AND EASTERN OREGON UNTIL 8 PM... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH BOX...NUMBER 545...FOR PORTIONS OF SOUTHEASTERN WASHINGTON AND EASTERN OREGON. THIS WATCH INCLUDES WALLOWA...UMATILLA... MORROW...AND UNION COUNTIES AND MOST OF GRANT COUNTY IN OREGON AND FRANKLIN...EASTERN BENTON...GARFIELD...COLUMBIA...AND WALLA WALLA COUNTIES IN WASHINGTON. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND FREQUENT LIGHTNING ARE POSSIBLE IN THESE AREAS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SPOTTERS ARE ENCOURAGED TO CALL AND REPORT SIGNIFICANT WEATHER.
ORZ044>050-WAZ028>030-190030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENDLETON OR 330 PM PDT WED JUN 18 2003 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEASTERN WASHINGTON AND EASTERN OREGON UNTIL 8 PM... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF SOUTHEAST WASHINGTON AND EASTERN OREGON UNTIL 8 PM. THIS WATCH INCLUDES WALLOWA...UMATILLA...MORROW...AND UNION COUNTIES AND MOST OF GRANT COUNTY IN OREGON AND FRANKLIN...EASTERN BENTON...GARFIELD...COLUMBIA...AND WALLA WALLA COUNTIES IN WASHINGTON. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND FREQUENT LIGHTNING ARE POSSIBLE IN THESE AREAS.
The Pendleton radar (KPDT), 159 km away, was scanning. The volume nearest the first event began at 00:32 UTC.
1 thunderstorm wind. Local standard time, as filed.
Strong winds from a thunderstorm knocked down several trees. In addition, an estimated one inch of rain fell in 10 to 15 minutes in Imnaha.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2003Every state in 2003This day in weather historyWarnings in Oregon, June 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: 5363102.