1 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 Feb 23, 9:10 PM EST, 2 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 910 PM EST SUN FEB 23 2003 UPDATE TO REMOVE SCT EVE FLRYS.-SHSN. 18Z ETA JUST A BIT N OF OP AVN AND ENSEMBLE MEAN...CONTS TREND OF POTENT YET FILLING SYS MOVG EWD MON AM ACROSS E CNTRL OH AND W PA. STILL LKS LIKE A FEW HRS OF MDT SNOW ACRS CNTRL PARTS OF CWA...SO PREVIOUS FCST IS REASONABLE. NO CHGS. .PBZ... MD...WINTER WEATHER ADVISORY MON MDZ001 PA...WINTER WEATHER ADVISORY MON PAZ007>009-013>016-020>023-029>032 OH...WINTER WEATHER ADVISORY LTE TNGT/MON OHZ039>041-048>050-057>059-068-069 WV...WINTER WEATHER ADVISORY MON WVZ001>004-012-021>023-041.
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-231200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 520 AM EST SUN FEB 23 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA...EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY A HIGH WIND WARNING IS IN EFFECT TODAY. A WINTER WEATHER ADVISORY IS IN EFFECT TODAY FOR 2 TO 4 INCHES OF SNOW IN THE MOUNTAINS OF WEST VIRGINIA AND WESTERN MARYLAND. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... NO SPOTTER ACTIVATION IS ANTICIPATED.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Monongahela River crested at Charleroi Lock and Dam 4 at 28.7 feet around 1 AM. Flood stage is 28 ft.
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, February 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: 5342658.