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 Apr 28, 2:39 AM EST, 4 hours 9 minutes earlier.
AREA FORECAST DISCUSSION...CORRECTION TO ADD FLOOD WATCH NATIONAL WEATHER SERVICE PITTSBURGH PA 339 AM EDT SUN APR 28 2002 ...FLOOD WATCH ADDED TIL 4 PM FOR SOUTHERN ZONES... AM PLEASED TO SEE WEAKENING H5 TROF, TRYING TO LIFT NE-WARD. IS THAT ENUF TO DIMINISH OUR SVR WX THREAT? ABSOLUTELY NOT. AVERAGING ETA & AVN MODEL TIMING, FROPA WUD BE 19Z ZZV, 21Z PIT, 22Z MGW. MESOETA LI LESS UNSTABLE THAN YDAS RUN. WHILE ITS -8 IN INDIANA 12Z, ONLY -4 ZZV AT 15Z, -4 MGW 18Z. THERE IS A -8 IN CNTRL WV 21Z. THIS RUN PUTS WORST PART JUST S OF CWA. CAPES 1-2K, WORSE JUST TO THE S. BAD NEWS IS: LEFT FRONT 250 JET ARRIVES AT 15Z OVR SRN PART OF CWA. ALMOST 100KT STAYS ALONG SRN BORDER OF CWA. SO THATS WHERE THE WORST OF IT WL PROB BE. WONDER HOW I CAN EXPLAIN THIS IS SVR WX STMT. H8 JET IS SHOWN TO DIMINISH A BIT, REACHING 60KT 12Z, 45KT 15-18Z, AND IT TOO KEEPS TO THE S. BUT A FINAL 50KT ARRIVES AT 21Z, JUST AS FRONT PASSES PIT. HELICITY IS AROUND 300 AS THE FRONT PASSES. PW IS 1.4, HI ENUF FOR GOOD TSTMS THIS TIME OF YR. SPC PUT MODERATE RISK IN SRN HALF OF MY CWA OTHER PROBLEM IS FLASH FLOOD POTENTIAL. 1 HR FFG FOR SRN COUNTIES IS 0.9. THERE IS A THREAT, BUT I AM NOT SURE WHEN AND WHERE, BUT SRN ZONES LOOK LIKE BEST BET AT THIS TIME. CLE AND PIT DECLINE TO ISSUE WIND ADV, SINCE THIS IS MAINLY A CONVECTIVE EVENT. WL PUT WINDY IN THE ZONE FORECAST AND MENTION SVR TSTMS. .PBZ... MD...FLOOD WATCH TIL 4PM MDZ001. OH...FLOOD WATCH TIL 4PM OHZ057-068-069. PA...NONE. WV...FLOOD WATCH TIL 4 PM WVZ012-021>023-041.
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-281400- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 420 AM EDT SUN APR 28 2002 ...MODERATE RISK THIS AFTERNOON AND EARLY TONIGHT... THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS...PRIMARILY SOUTH OF A LINE...FROM COSHOCTON TO STEUBENVILLE OHIO...TO PITTSBURGH PA. THIS RISK IS GREATER THAN USUAL. VERY STRONG WINDS...GUSTING OVER 60 MPH...ARE QUITE LIKELY. THESE WINDS COULD BE WIDESPREAD...WITH NUMEROUS TREES AND UTILITY LINES DOWN. LARGE HAIL IS ALSO POSSIBLE. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ELSEWHERE...NORTH OF PITTSBURGH. THERE IS ALSO THE POTENTIAL FOR FLOODING TODAY FROM ZANESVILLE TO MORGANTOWN TO OAKLAND MARYLAND...WHERE THE SOILS ARE QUITE SATURATED. THE BEST TIME FOR SEVERE WEATHER IN EASTERN OHIO WILL BE THIS AFTERNOON. FOR THE NORTHERN PANHANDLE OF WEST VIRGINIA...LATE THIS AFTERNOON. FOR THE REST OF NORTHERN WEST VIRGINIA...FOR WESTERN PENNSYLVANIA...AND FOR GARRETT COUNTY MARYLAND...THE BEST TIME FOR SEVERE WEATHER IS LATE THIS AFTERNOON AND EVENING. SKYWARN ACTIVATION WILL BE NEEDED. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES...AND WARNINGS.
The Pittsburgh radar (KPBZ), 137 km away, was scanning. The volume nearest the first event began at 11:46 UTC.
1 flash flood. Local standard time, as filed.
Heavy thunderstorm rains forced Buffalo Run Creek out of its banks, producing minor roadway flooding on Buffalo Run Road. Minor street flooding was also reported in the Oakland area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2002Every state in 2002This day in weather historyWarnings in Maryland, April 2002
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: 5287815.