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 State College, PA wrote its last area forecast discussion before the first event at Aug 12, 7:50 PM EST, 1 hour 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 850 PM EDT TUE AUG 12 2003 EVENING ACTIVITY FINALLY DWINDLING AFTER SUNSET. SOME LOCALLY HEAVY RAIN FELL OVER THE SOUTH CENTRAL MOUNTAINS...NO WIDESPREAD PROBLEMS THOUGH AS RELAYED BY COUNTY 911/ETAS ALTHOUGH YORK COUNTY HAD RESPONDED TO 2 HOURS FIRES CAUSED BY LIGHTNING. OVERNIGHT WILL FEATURE MORE FOG FORMATION...SOME LOCALLY DENSE. THIS IS COVERED IN GOING FORECAST GRIDS AND TEXT...SO EVENING UPDATE WL CLEAN UP AND REMOVE EVENING WORDING. CONTINUED IMPROVEMENT IN STORE AS LARGE SCALE RETROGRESSION OF UPPER LEVEL FEATURE RESULTS IN RISING HEIGHTS AND DEPARTURE OF PESKY UPPER TROF WHICH HAS PLAGUED US WITH LOCALLY HEAVY RAINFALL FOR MUCH OF THE LAST TWO WEEKS. DEVOIR PREVIOUS DISCUSSION: -------------------- .SHORT TERM... SCATTERED CONVECTION THIS EVENING WILL AGAIN DIE OFF QUICKLY AFTER LOSS OF DAYTIME HEATING. COULD SEE A HEAVY RAINER OR TWO ACROSS THE SOUTHERN TIER...BUT ANY STRONGER STORMS WILL REMAIN ISOLATED. PATCHY DENSE FOG AGAIN OVERNIGHT AS GROUND REMAINS QUITE WET KEEPING HUMIDITY LEVELS HIGH. THEN ANOTHER CHANCE FOR A TSTORM TOMORROW BEFORE RIDGING BEGINS TO TAKE OVER. .EXTENDED... BROAD RIDGE BUILDING IN FOR THE LATER PERIODS. COULD SEE ENOUGH LOW LEVEL MOISTURE RETURN BY MON/TUE FOR AN ISOLATED AFTERNOON TSTORM. OTHERWISE TEMPS AT OR ABOVE AVERAGE THROUGH THE PERIOD. .PRELIMINARY POINT TEMPS/POPS... MDT 69 86 69 88 / 20 30 10 10 IPT 66 84 64 86 / 20 30 10 10 BFD 58 81 57 82 / 20 30 10 10 JST 62 80 63 82 / 20 30 10 20 AOO 64 83 65 84 / 20 30 10 10 UNV 64 84 63 86 / 20 30 10 10 SEG 68 86 66 87 / 20 30 10 10 LNS 68 87 68 88 / 20 30 10 10 THV 68 86 69 88 / 20 30 10 10 .CTP... PA...NONE. RXR
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-121100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 454 AM EDT TUE AUG 12 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY SCATTERED...SLOW MOVING SHOWERS AND THUNDERSTORMS WILL AFFECT CENTRAL PENNSYLVANIA TODAY. A FEW OF THESE STORMS COULD PRODUCE EXCESSIVE RAINFALL AND LOCALIZED FLOODING. .DAYS TWO THROUGH SEVEN... LOCALLY HEAVY RAIN FROM SCATTERED SHOWERS AND THUNDERSTORMS WILL STILL BE POSSIBLE ON WEDNESDAY. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. KF
The State College radar (KCCX), 109 km away, was scanning. The volume nearest the first event began at 02:00 UTC.
1 flash flood. Local standard time, as filed.
Flash Flooding caused numerous secondary roads and three state roads to be closed in the town of Eldred. Rapidly rising water on Knapp Creek also caused the flooding of a fire station in Eldred.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2003Every state in 2003This day in weather historyWarnings in Pennsylvania, August 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: 5369551.