1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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 4, 5:35 PM EST, 9 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 535 PM EST FRI APR 4 2003 UPDATE INCLUDED MENTION OF HIGHER GUSTS NEAR STORMS TONIGHT. THE REST OF THE EVENING VERSION UNCHANGED. FOR THE EVENING FORECAST VERSION, BLENDED PREVIOUS IDEAS WITH LATEST ETA AND GFS RUNS, THAT CONTINUED TO SHOW MIDWEST COLD FRONT MOVING THROUGH SATURDAY MORNING. LATEST RADAR DATA SHOWS SEVERAL BANDS OF SHOWERS AND THUNDERSTORMS PRECEDING THE FRONTAL PASSAGE. ETA SOUNDINGS SHOW DEEP BUT SLIGHT INSTABILITY DURING THIS PERIOD. NEXT PRECIPITATION OPPORTUNITY COMES LATE SUNDAY NIGHT INTO TUESDAY, WITH A DEEP LOW PRESSURE SYSTEM COMING OUT OF THE SOUTHERN PLAINS. TEMPERATURES EARLY MONDAY ARE ALMOST COLD ENOUGH FOR SNOW, BUT PER COLLABORATION WITH CTP, ONLY MENTIONED A CHANCE OF SNOW WITH THE RAIN ACROSS THE NORTH, ALBEIT THERE CAN BE FLAKES ON THE WESTERN SLOPES OF ALLEGHENY RIDGES. REST OF THE PERIOD APPEARS DRY. NEXT WEEKS TEMPERATURES SHOULD BE NEAR OR SLIGHTLY ABOVE NORMAL PER THE CONTINUATION OF UPPER LEVEL ZONAL FLOW. ...GIORDANO .PBZ... MD...NONE. OH...NONE. PA...NONE. WV...NONE.
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-041200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 504 AM EST FRI APR 4 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS MAINLY FROM LATE THIS AFTERNOON THROUGH TONIGHT PRECEDING A COLD FRONT. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021-022-051000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 1209 AM EST SAT APR 5 2003 SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 500 AM EST SATURDAY MORNING FOR THE FOLLOWING COUNTIES... IN PENNSYLVANIA... ALLEGHENY ARMSTRONG BEAVER BUTLER CLARION FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MERCER VENANGO WASHINGTON WESTMORELAND IN WEST VIRGINIA... BROOKE HANCOCK MARION MARSHALL MONONGALIA OHIO WETZEL IN OHIO... BELMONT CARROLL COLUMBIANA COSHOCTON GUERNSEY HARRISON JEFFERSON MONROE MUSKINGUM NOBLE TUSCARAWAS
OHZ039>041-048>050-057>059-PAZ020-029-WVZ001>004-050715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 120 AM EST SAT APR 5 2003 ...MORE THUNDERSTORM APPROACH... A LINE OF THUNDERSTORMS WITH VERY FREQUENT AND DANGEROUS LIGHTNING IS MOVING INTO THE AREA. THESE STORMS HAVE BRIEF HEAVY RAIN...WIND GUSTS TO 50 MPH...AND SMALL HAIL. THE STORMS MAY INCREASE IN INTENSITY. A WARNING MAY BE NEEDED IN THE NEXT FEW HOURS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 A M.
PAZ014-021-022-030-050815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 217 AM EST SAT APR 5 2003 ...THUNDERSTORMS WITH STRONG WINDS MOVING THROUGH AREA... A LINE OF THUNDERSTORMS WITH STRONG WINDS AND FREQUENT AND DANGEROUS LIGHTNING IS MOVING THROUGH THE AREA. THESE STORMS CONTAIN BRIEF HEAVY RAIN...WIND GUSTS TO AROUND 50 MPH...AND SMALL HAIL. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 AM.
PAZ016-023-050845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 245 AM EST SAT APR 5 2003 ...STRONG THUNDERSTORMS ARE MOVING THROUGH THE REGION... THUNDERSTORMS WITH STRONG WINDS...BRIEF HEAVY RAINS AND FREQUENT LIGHTNING ARE MOVING RAPIDLY EASTWARD THROUGH INDIANA AND JEFFERSON COUNTIES IN PENNSYLVANIA. THE STORMS WILL CONTAIN WIND GUSTS TO AROUND 50 MPH. SMALL HAIL IS ALSO POSSIBLE. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 AM.
The Pittsburgh radar (KPBZ), 52 km away, was scanning. The volume nearest the first event began at 07:59 UTC.
1 thunderstorm wind. Local standard time, as filed.
Several businesses in a row lost their roofs to a thunderstorm wind.
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, April 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: 5351625.