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 Binghamton, NY wrote its last area forecast discussion before the first event at Aug 9, 2:10 AM EST, 6 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 310 AM EDT SAT AUG 9 2003 CURRENT FORECAST IN GOOD SHAPE. DEEP SOUTHERLY FLOW CONTINUES TODAY ALONG THE ATLANTIC COAST AROUND WESTERN SIDE OF OF ATLANTIC RIDGE. MEANWHILE A WEAK SFC LOW TRACKS SLOWLY NORTHWARD ALONG THE APPALACHIANS TODAY ALONG SFC TROF ACROSS CENTRAL NYS WITH WEAK S/W IMPULSES ALSO RIDING NORTH ROUND THE BASE OF THE PERSISTENT DEEP UPPER TROF ACROSS THE NORTHEAST. THEREFORE ANOTHER ROUND OF SHRA/TSRA TODAY, ESPECIALLY THIS AFTN WITH DAYTIME HEATING COMBINED WITH PLENTY OF AVAILABLE MOISTURE AND PWS APPROACHING 1.5 TO 2 INCHES. BEST S/W ENERGY THIS AFTN/EVE AND HIGHEST PWS FORECAST TO BE TO THE EAST OF OUR CWA. STILL, SLOW-MOVING TSRA WITH HEAVY DOWNPOURS LIKELY, WILL HIGHLIGHT IN ZONES. TONIGHT...SHORT WAVE ENERGY AND LIFT MOVE NORTH OF CWA AND LOSS OF DAYTIME HEATING SHOULD DAMPEN SOME OF THE TSRA ACTIVITY. WILL KEEP CHC OR SCAT POPS. AREAS OF DENSE FOG EXPECTED ONCE AGAIN, ESPECIALLY ACROSS THE TWIN TIERS. SUNDAY...SURFACE TROF PROGGED TO CROSS AREA DURING THE MIDDAY HOURS. ETA MODEL SOUNDINGS A BIT MORE UNSTABLE THAN TODAY. KEPT LIKELY POPS FOR ALL ZONES MAINLY DURING THE AFTERNOON. NO CHANGES TO EXTENDED. AVIATION... HIT AND MISS SHOWERS WILL CONTINUE TO TRAVERSE THE AREA INTO THE PRE-DAWN HOURS. THEREAFTER, SOME OF THE CONVECTIVE CLOUD DEBRIS SHOULD CLEAR, BUT WITH WET ANTECEDENT CONDITIONS / HIGH DEW POINTS, PLENTY OF STRATUS AND FOG SHOULD FORM AGAIN. IFR/LIFR CEILINGS AND/OR VISIBILITIES COULD CONCEIVABLY OCCUR ANYWHERE FROM ABOUT 08Z-12Z, BUT ELM/BGM/ITH ARE THE MOST LIKELY CULPRITS. LOW CLOUDS AND FOG SHOULD LIFT BY LATE MORNING, WITH VFR CONDITIONS THEN EXPECTED THROUGH MUCH OF THE AFTERNOON. MORE SHOWERS AND THUNDERSTORMS WILL FORM BY MID TO LATE AFTERNOON AS INSTABILITY TEAMS UP WITH THE NEXT APPROACHING SHORT WAVE. OCCASIONAL MVFR CEILINGS / VISIBILITIES IN HEAVIER SHOWERS AND STORMS CAN BE ANTICIPATED INTO THE EVENING HOURS ON SATURDAY. MJ .BGM...NONE. JML
NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-101045- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BINGHAMTON NY 650 AM SAT AUG 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA. .DAY ONE...TODAY... SHOWERS AND THUNDERSTORMS WILL DEVELOP AGAIN TODAY WITH DAYTIME HEATING AND A MOIST ATMOSPHERE IN PLACE. SOME THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL WHICH MAY CAUSE PONDING OF WATER OR FLOODING OF LOW-LYING OR URBAN AREAS. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH TUESDAY. THE GREATEST THREAT WILL BE LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT EXPECTED TODAY.
The Binghamton radar (KBGM), 115 km away, was scanning. The volume nearest the first event began at 14:01 UTC.
1 flash flood. Local standard time, as filed.
During the early morning hours of the 9th, up to 3 inches of rain fell in a short time in areas that were ravaged by flash flooding that occurred on July 22nd. Numerous roads were flooded and/or washed out by the flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2003Every state in 2003This day in weather historyWarnings in New York, 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: 5332693.