2 thunderstorm wind, 1 hail, 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 Jul 7, 1:35 PM PST, 4 hours 46 minutes earlier.
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 235 PM PDT SUN JUL 7 2002 A LOW PRESSURE SYSTEM HAS MOVED ONSHORE...AND STARTING TO CROSS OVER TO THE EAST SIDE OF THE CASCADES. CONVECTIVE SHOWERS ARE FORMING ALONG THE EAST SLOPES OF THE CASCADES...SOUTH OF MADRAS AND NORTH OF JOHN DAY EXTENDING INTO THE BLUE MOUNTAINS AS SEEN ON SATELLITE IMAGERY AND RADAR. THIS SYSTEM IS VERY UNSTABLE AND MOIST...AND THE SHOWER AND THUNDERSTORM ACTIVITY WILL LAST THROUGH TONIGHT. SOME OF THESE THUNDERSTORMS ALSO HAVE THE POTENTIAL OF BECOMING SEVERE WITH HIGH WINDS...HEAVY RAINS AND HAIL. SOME SHOWERS MAY LINGER INTO THE THE EARLY MORNING HOURS. HOWEVER...DRY AND COOLER TEMPERATURES WILL FOLLOW TOMORROW AS A RIDGE BEGINS TO BUILD INTO THE PACIFIC NORTHWEST ON MONDAY. BY TUESDAY...THE TEMPERATURE WILL START TO WARM AGAIN. PALMER EXTENDED...A RIDGE WILL BE OVER THE AREA THROUGH THURSDAY PROVIDING SUNNY SKIES AND INCREASING TEMPERATURES. AS THE RIDGE SHIFTS EAST ON THURSDAY EVENING AND FRIDAY MOISTURE WILL MIGRATE NORTHWARD IN THE THE AREA AROUND THE EDGE OF THE RIDGE. THIS MOISTURE AND THE RECEDING RIDGE WILL INCREASE THE INSTABILITY OVER CENTRAL OREGON... THE OCHOCOS AND THE BLUE MOUNTAINS. SOME AFTERNOON AND EVENING THUNDERSTORMS MAY DEVELOP. THE REST OF THE AREA WILL REMAIN HOT AND DRY. BY SATURDAY THE 850 MB TEMPERATURES AND VARIOUS THICKNESS VALUES WILL DECREASE SLIGHTLY SUGGESTING THAT TEMPERATURES WILL DROP SLIGHTLY. COONFIELD PDT 3200 ALW 3200 PSC 3000 YKM 3000 KPDT...VCP32/CSR21...OPERATIONAL. .KPDT...NONE
The Pendleton radar (KPDT), 63 km away, was scanning. The volume nearest the first event began at 02:23 UTC.
2 thunderstorm wind, 1 hail. Local standard time, as filed.
Strong wind gusts from a thunderstorm flipped two small airplanes at the Tri-Cities airport in Pasco. Five feeding bunks at DeVries Dairy were also destroyed. The winds knocked out power to thousands of residents in the county, and toppled many trees.
Hail from this storm severely damaged thousands of acres of crops in Pasco. Some of the hardest hit crops were tomatoes, cucumbers, corn, green beans, and peppers.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2002Every state in 2002This day in weather historyWarnings in Washington, July 2002
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: 5307179, 5307180, 5307181.