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 Cleveland, OH wrote its last area forecast discussion before the first event at Aug 26, 1:25 AM EST, 12 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CLEVELAND OH 225 AM EDT SUN AUG 26 2001 BASED ON NEW MODEL RUN...CURRENT FCST LOOKS GUD BUT WL NEED SOME ADJUSTMENTS. CDFNT MOVS SLOWLY INTO NERN IN THEN ACCELERATES EWRD THRU CWA AS PREFRONTAL TROF DVLPS THEN GETS TAKEN OVR BY CDFNT OVR PA MTNS TNGT. INSTABILITY NOT IMPRESSIVE TDA. CDFNT CURRENTLY SHOWING ONLY SCT ACTIVITY. WL SIDE MORE WITH FAN POPS AND GO FOR LOW LIKELY POP IN W...HI LIKELY IN CNTRL AND 90% FOR ERN AREA TDA. SHARP DRYING SHOWN FOR THIS EVE SO WL DROP POP FOR CNTRL GP THIS EVE AND LV FOR ERN AREA THRU MIDNIGHT. RDGG UP THRU 700 MB OVR AREA INTO MON AFTN THEN NEXT S/W WITH SECONDARY CDFNT COMES THRU MON NITE WHICH IS FASTER THAN EARLIER THOUGHT SO WL MOV CHC UP INTO MON NITE AND LINGER INTO TUE MORN CNTRL AND ERN AREAS. TEMPS NR GUIDANCE IN W TDA BUT WL BUMP UP FOR ERN PART OF AREA AS MODEL CLD COVER OVERDONE. WL STAY NR FWC GUIDANCE TEMP TNGT THRU MON NITE AND FAN NUMBER FOR TUE. .CLE... OH...NONE. PA...NONE. ADAMS
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
A 66 mph thunderstorm wind gust was measured by a trained spotter. Over a dozen trees were downed in Erie. At least two cars were damaged by the fallen trees.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2001Every state in 2001This day in weather historyWarnings in Pennsylvania, August 2001
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: 5265722.