1 flash flood, 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 Pittsburgh, PA wrote its last area forecast discussion before the first event at Jul 9, 2:05 PM EST, 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 305 PM EDT WED JUL 9 2003 PER LATEST RADAR DATA, WILL KEEP MENTION OF SHOWERS AND SCATTERED THUNDERSTORMS ACROSS THE UPPER OHIO VALLEY FOR TONIGHT. SATELLITE DATA SHOWS SKY CONDITION WILL REMAIN AT LEAST MOSTLY CLOUDY OVER THE AREA. SURFACE DATA SHOWS A WIND SHIFT AND DEW POINTS IN THE LOWER 60S BEHIND THE BAND OF SHOWERS CURRENTLY MOVING SOUTHWARD THROUGH WESTERN PENNSYLVANIA. PER THE LATEST RUC, INSTABILITY WILL BE MARGINAL ACROSS MOST OF THE AREA, EXCEPT CONTINUED UNSTABLE OVER NORTHERN WEST VIRGINIA AND WESTERN MARYLAND. RUC LIKEWISE SHOWS THE WIND-SHIFT LINE MIDWAY ACROSS WESTERN PENNSYLVANIA CONTINUING INTO SOUTHERN PENNSYLVANIA. PER RECENT SATELLITE AND RADAR DATA, WILL CONTINUE TO MONITOR IN SHORT-TERM FOR THUNDERSTORMS OVER THE NORTHERN WEST VIRGINIA AND MARYLAND MOUNTAINS, AND WILL MONITOR SATELLITE FOR EVOLUTION AND MOVEMENT OF THUNDERSTORM COMPLEX ENTERING INDIANA. USING COMPOSITE OF 00Z ETA AND GFS, AND AVAILABLE 12Z MODELS, STILL LOOKS LIKE NEXT OUTBREAK OF NUMEROUS THUNDERSTORMS WILL BE THURSDAY INTO THURSDAY NIGHT AHEAD OF FINAL PUSH OF DEW POINT FRONT. AFTER THAT, GFS LOOKS RELATIVELY DRY, ALBEIT GFS ENSEMBLES SHOWS AN UPPER TROUGH OVER THE OHIO VALLEY SUNDAY AND MONDAY, THAT MAY CAUSE THUNDERSTORMS DURING AND AFTER PEAK HEATING TIMES. FOR TEMPERATURES, USED A BLEND OF GFS ENSEMBLE MEAN VALUES AND 06Z GFS MOS, WHICH WERE FAIRLY CLOSE TO VALUES FROM PREVIOUS RUNS. ...GIORDANO .PBZ... MD...FLOOD WATCH TIL 10 PM FOR ZONE MDZ001. SEVERE THUNDERSTORM WATCH UNTIL 6 PM MDZ001. OH...FLOOD WATCH TIL 10 PM FOR ZONES OHZ039>041...OHZ048>050...OHZ057>059...OHZ068>069. PA...FLOOD WATCH TIL 10 PM FOR ZONES PAZ007>009...PAZ013>016...PAZ020>023...PAZ029>032. WV...FLOOD WATCH TIL 10 PM FOR ZONES WVZ001>004...WVZ012...WVZ021>023...WVZ041. SEVERE THUNDERSTORM WATCH UNTIL 6 PM...WVZ021>023-041.
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-090915- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 529 AM EDT WED JUL 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY A FLOOD WATCH IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE ENTIRE AREA. THUNDERSTORMS THAT PRODUCE HEAVY RAINS IN EXCESS OF AN INCH IN AN HOUR...CAN CAUSE STREAMS AND CREEKS TO COME OUT OF THEIR BANKS. .DAYS TWO THROUGH SEVEN... THUNDERSTORMS WITH HEAVY RAIN ARE POSSIBLE AGAIN ON THURSDAY AND THURSDAY NIGHT. IN ADDITION THERE WILL BE A SLIGHT RISK OF SEVERE THUNDERSTORMS BOTH THURSDAY AND THURSDAY NIGHT IN EAST CENTRAL OHIO AND EXTREME WESTERN PENNSYLVANIA. .SPOTTER CALL TO ACTION STATEMENT... SKYWARN ACTIVATION IS POSSIBLE TODAY AND EARLY TONIGHT. SKYWARN OBSERVERS PLEASE REPORT RAINFALL AMOUNTS OF AN INCH OR MORE IN A SHORT TIME.
MDZ001-WVZ021>023-041-092200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 1202 PM EDT WED JUL 9 2003 SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 600 PM EDT WEDNESDAY EVENING FOR THE FOLLOWING COUNTIES... IN WEST VIRGINIA... MARION MONONGALIA PRESTON TUCKER IN MARYLAND... GARRETT <<< CALL TO ACTION >>> SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAIN FLOODS ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH, PA
159 PM EDT WED JUL 9 2003
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 PM DEEP CREEK MD WIND DAMAGE
07/09/03 GARRETT LARGE TREE DOWN REPORTED
BY EMERGENCY MANAGEMENT
LSMDZ001-WVZ023-041-092100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 200 PM EDT WED JUL 9 2003 ...MORE HEAVY RAIN ON THE WAY... THUNDERSTORMS HAVE PRODUCED LOCALLY HEAVY RAINFALL AMOUNTS EXCEEDING ONE INCH. ADDITIONAL THUNDERSTORMS ARE DEVELOPING WEST OF THE AREA AND WILL MOVE ACROSS ALREADY SATURATED GROUND THIS AFTERNOON. RESIDENT SHOULD PAY ATTENTION TO THE WEATHER AND REMAIN ALERT FOR POSSIBLE FLASH FLOOD WARNINGS THROUGH 5 PM. BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IN THE EVENT OF FLOODING.
WVZ023-092145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 344 PM EDT WED JUL 9 2003 ...HEAVY RAIN AND RUNOFF FROM THUNDERSTORMS... BETWEEN 1 AND 2 INCHES OF RAIN HAS FALLEN ACROSS PARTS OF PRESTON COUNTY WEDNESDAY AFTERNOON. THE GROUND IS ALREADY SATURATED FROM PREVIOUS HEAVY RAIN, SO WATER RUNOFF MAY CAUSE MINOR FLOODING. POOR DRAINAGE AREAS AND LOW LANDS ARE ESPECIALLY VULNERABLE TO FLOODING. THE HEAVIEST RAIN HAS FALLEN IN THE ROWLESBURG, MACOMBER, ETAM, AND ERWIN AREAS IN SOUTHERN PRESTON COUNTY. STREAMS AND CREEKS IN THESE AREAS INCLUDE WOLF CREEK, FLAG RUN, AND BUFFALO CREEK. IF YOU LIVE IN A FLOOD PRONE AREA, KEEP ALERT TO RAPIDLY RISING WATER. IF FLOODING IS OBSERVED OR A WARNING ISSUED, MOVE TO HIGHER GROUND. NEVER DRIVE THROUGH FLOODED ROADWAYS, IT MAY BE TOO DEEP TO DRIVE THROUGH SAFELY. REHAK
The Pittsburgh radar (KPBZ), 137 km away, was scanning. The volume nearest the first event began at 19:58 UTC.
1 flash flood. Local standard time, as filed.
1 to 2 feet of water covered numerous roads near Oakland, including Mason School Rd, Pleasant Rd, and Jasper Valley Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2003Every state in 2003This day in weather historyWarnings in Maryland, July 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: 5370849.