Monsoonal moisture combined with strong surface heating made for scattered afternoon and evening thunderstorms on this date. A few of the thunderstorms achieved severe status.
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.
Monsoonal moisture combined with strong surface heating made for scattered afternoon and evening thunderstorms on this date. A few of the thunderstorms achieved severe status.
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 Jul 11, 2:04 AM PST, 9 hours 56 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
304 AM PDT WED JUL 11 2007
.DISCUSSION...NOCTURNAL CONVECTION HAS DISSIPATED EARLY THIS
MORNING WITH A FEW STRIKES STILL LINGERING OFF THE COAST. A CLOUD
SHIELD OVER MUCH OF THE CWA REMAINS AND WILL MOVE OFF THIS
MORNING. TROUGH CHURNING OVER 30N 140W WILL HAS KEPT SE FLOW OVER
THE FA...THEREFORE AIDING IN THE MONSOONAL FLOW THAT BROUGHT ENOUGH
MOISTURE TO GENERATE LAST NIGHTS THUNDERSTORMS. THE MONSOONAL
MOISTURE AIDED IN THESE STORMS BEING MORE WET IN NATURE...HOWEVER
STORMS ALSO PRODUCE COPIOUS LIGHTNING STRIKES...INCREASING
POTENTIAL FOR NEW FIRE STARTS.
LAST NIGHTS ENVIRONMENT FOR THUNDERSTORMS FOR HAIL GROWTH WAS TOO
HOSTILE AS THE FREEZING LEVEL OVER 15KFT AND SFC TEMPS WERE FROM
THE UPPER 90S TO THE 100S. FROM THE 00Z SOUNDING...CAPE VALUES
WERE JUST OVER 800J/KG...NOT VERY SUPPORTIVE FOR HAIL GROWTH. IF
ANY HAIL WERE FALLING OUT OF THE STORM IT WOULD NOT LAST LONG AS
IT DESCENDED INTO A VERY WARM ENVIRONMENT.
LOOKS LIKE TODAY WILL BE A REPEAT AS THE LOW OFF THE COAST HAS EMBEDDED
IN ITS FLOW A PRETTY POTENT SHORTWAVE THAT IS FORECAST TO ADVECT
THROUGH OUR REGION THIS AFTERNOON/EVENING OPENING THE DOOR TO
ANOTHER WAVE OF THUNDERSTORMS. HOWEVER THERE WILL BE A DIFFERENCE.
AS THE LOW PUSHES CLOSER...1000-500MB HEIGHTS DROP RELAXING MAX
TEMPS TODAY AND FORECAST SOUNDINGS HOLD CAPE VALUES IN EXCESS OF
2000 J/KG DUE TO TO THE SHORTWAVE PUSHING THROUGH...SO SMALL HAIL
GROWTH LOOKS IS NOT OUT OF THE QUESTION TODAY.
STORM ACTIVITY WILL INITIATE EAST AND PROGRESS WEST THROUGH THE
EARLY NIGHTTIME HOURS AND DISSIPATE A FEW HOURS AFTER MAXIMUM
HEATING. VORTMAX ASSOCIATED WITH THE LOW OVER THE COAST WILL PUSH
NORTH OVER THE FA DURING MAXIMUM HEATING TODAY INITIATING
THUNDERSTORMS. STORMS WILL BE SCATTERED AND SHOULD FIZZLE A FEW
HOURS PAST SUNSET.
AS THIS LOW MOVES TOWARD THE COAST...SOUTHERLY FLOW WILL DOMINATE
THE FORECAST AS THE MARINE INFLUENCE PUSHES ON SHORE CUTTING OFF
THUNDERSTORM ACTIVITY WEST OF THE CASCADES BY THE END OF THE WEEK.
TEMPERATURES THROUGH THE FORECAST PERIOD LOOK TO BE
WARM...REACHING INTO THE UPPER 90S EACH DAY. TOWARD THE END OF
THE FORECAST PERIOD...MODELS BEGIN TO DIVERGE FROM
EACH OTHER. WITH LITTLE FORECAST CONFIDENCE BETWEEN THE
MODELS...DID NOT TOUCH TOO MUCH IN THE EXTENDED.
&&
.AVIATION...VFR INLAND WITH AFTERNOON/EVENING THUNDERSTORMS. ALONG
THE COASTLINE...MAINLY IFR CEILINGS WITH REDUCED VISIBILITY.
MARINE LAYER WILL BURN OFF WITH HEATING TOWARD LATE MORNING.
&&
.MFR WATCHES/WARNINGS/ADVISORIES...
OR...RED FLAG WARNING UNTIL 5 AM PDT EARLY THIS MORNING FOR ORZ620-
ORZ621-ORZ622-ORZ623.
CA...RED FLAG WARNING UNTIL 5 AM PDT EARLY THIS MORNING FOR CAZ280.
PACIFIC COASTAL WATERS...NONE.
BURTISHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 515 AM PDT WED JUL 11 2007 ORZ021>031-121215- SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST- CENTRAL DOUGLAS COUNTY-EASTERN CURRY COUNTY AND JOSEPHINE COUNTY- EASTERN DOUGLAS COUNTY FOOTHILLS-JACKSON COUNTY- SOUTH CENTRAL OREGON CASCADES- SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- 515 AM PDT WED JUL 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL OREGON AND SOUTHWEST OREGON. .DAY ONE...TODAY AND TONIGHT RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT THIS EVENING FOR THUNDERSTORMS WITH LITTLE OR NO PRECIPITATION FOR FIRE WEATHER ZONES 615 THROUGH 625 IN OREGON INCLUDING THE UMPQUA ROGUE RIVER-SISKIYOU AND AND FREMONT-WINEMA NATIONAL FORESTS.FOR FURTHER DETAILS PLEASE REFER TO THE FIRE WEATHER FORECAST. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Medford radar (KMAX), 63 km away, was scanning. The volume nearest the first event began at 19:59 UTC.
1 lightning, 1 thunderstorm wind. Local standard time, as filed.
The steeple of the Newman United Methodist Church was struck twice this day, damaging the steeple, windows, organ, and some other stuff. Damage amounted to $60,000.
Strong straight-line winds associated with a thunderstorm swept through portions of Jackson County. Numerous downed large trees were reported, and some of them damaged vehicles and trailers when they fell. Most of the damage was reported near the city of Rogue River. No injuries or deaths were reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2007Every state in 2007This day in weather historyWarnings in Oregon, July 2007
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: 59375, 38031.