Based on radar reports, a Severe Thunderstorm Warning was issued for east central Douglas county at 1608 PDT on 08/02 and expired at 1645 PDT. The above report verified the warning.
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 episode as NWS MFR wrote it up.
Based on radar reports, a Severe Thunderstorm Warning was issued for east central Douglas county at 1608 PDT on 08/02 and expired at 1645 PDT. The above report verified the warning.
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 Medford, OR wrote its last area forecast discussion before the first event at Aug 2, 12:40 PM PST, 4 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD OR 140 PM PDT MON AUG 2 2004 .DISCUSSION...12Z NGM/ETA/GFS IN. THE UPPER LOW THAT HAS HUNG OFFSHORE THE PAST FEW DAYS IS NOW OVER THE SISKIYOUS AND HEADING NORTHEAST WITH AN APPROACHING UPPER TROUGH ACTING AS THE KICKER. EXPECT THIS LOW TO CONTINUE MOVING NORTHEAST THIS AFTERNOON...THE MODELS PUT IT NEAR MOUNT SHASTA AT 03/00Z BUT THE MODELS MAY BE A BIT SLOW. THUNDERSTORMS ARE NOW BUSTING OUT ALL OVER THE MOUNTAIN RIDGES. THE 02/12Z MFR SOUNDING SHOWS CAPES OF 1450 J/KG AND A PW OF 0.91 INCHES. THESE THUNDERSTORMS WILL DIMINISH THIS EVENING AS SURFACE HEATING ENDS AND THE SHORT WAVE DEPARTS THE CWA. A SECOND SHORT WAVE MOVING THROUGH THE BASE OF THE KICKER TROUGH WILL MOVE THROUGH NORTHERN CALIFORNIA TUESDAY NIGHT. THE CWA WILL BE UNDER MUCH DRIER SW FLOW...SO DONT EXPECT MUCH FROM THIS SYSTEM. A DEEP UPPER TROUGH OFFSHORE WILL PUSH A COLD FRONT ONSHORE WEDNESDAY...AND SOME AREAS CAN EXPECT SOME FRONTAL TYPE PRECIPITATION...MOSTLY IN THE NORTH COAST/UMPQUA BASIN AND SOUTHERN CASCADES AROUND CRATER LAKE. POST-FRONTAL SHOWERS WILL BE A POSSIBILITY...ALBEIT A SMALL ONE...WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...FROM THE CASCADES WEST...BUT WILL NOT MENTION THEM AT THIS TIME. A SECONDARY FRONT WILL PUSH ONSHORE FRIDAY WITH POST-FRONTAL SHOWERS AGAIN A SLIGHT POSSIBILITY UNTIL THE UPPER TROUGH FINALLY SHEARS AND THE NORTHERN PORTION KICKS INLAND FRIDAY NIGHT. TEMPS WILL BE BELOW SEASONAL NORMALS WEDNESDAY THROUGH FRIDAY. WEAK UPPER RIDGING FROM THE SOUTH WILL DRIVE UP HEIGHTS OVER THE AREA SATURDAY THROUGH SUNDAY...SO EXPECT DRY CONDITIONS AND SOME WARMING THEN. ANOTHER TROUGH WILL APPROACH FROM THE WEST MONDAY...PUSHING YET ANOTHER FRONT ONSHORE. STOCKTON && .MFR WATCHES/WARNINGS/ADVISORIES... OR...NONE. CA...NONE. &&
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
339 PM PDT MON AUG 02 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0336 PM HEAVY RAIN 1 SSE DIAMOND LAKE 43.16N 122.13W
08/02/2004 1.00 INCH DOUGLAS OR TRAINED SPOTTER
1 INCH PLUS OF RAIN IN THE PAST 40 MINUTES FROM A
THUNDERSTORM. SMALL HAIL AT TIMES.
&&
CDGPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
411 PM PDT MON AUG 02 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0409 PM HEAVY RAIN 5 SSE MEDFORD 42.28N 122.81W
08/02/2004 1.20 INCH JACKSON OR TRAINED SPOTTER
FROM 1500-1600 PDT FROM A THUNDERSTORM.
&&
CDGPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
504 PM PDT MON AUG 02 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0502 PM HEAVY RAIN 1 N ASHLAND 42.20N 122.70W
08/02/2004 0.70 INCH JACKSON OR TRAINED SPOTTER
FROM A THUNDERSTORM IN A 15 MINUTE PERIOD ENDING AT 1630
PDT.
&&
CDGPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
533 PM PDT MON AUG 02 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0502 PM HAIL 10 SW DIAMOND LAKE 43.08N 122.28W
08/02/2004 0.75 INCH DOUGLAS OR PARK/FOREST SRVC
AT 440 PM PDT 2 INCHES OF HAIL ON THE GROUND.
&&
CDGThe Medford radar (KMAX), 117 km away, was scanning. The volume nearest the first event began at 01:00 UTC.
1 hail. Local standard time, as filed.
A park/forest ranger 10 miles southwest of Diamond Lake reported 3/4 inch hail with 2 inches of hail on the ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2004Every state in 2004This day in weather historyWarnings in Oregon, August 2004
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: 5417927.