1 waterspout, 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 Cleveland, OH wrote its last area forecast discussion before the first event at Sep 10, 5:57 AM EST, 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CLEVELAND OH 657 AM EDT MON SEP 10 2001 UPDATED TO REMOVE THE MENTION OF PRECIPITATION FOR ERY THIS AM. WL HOLD OFF TIL ABT 715 AM. DCRSG CLDS STILL LOOKS GOOD. .CLE... OH...NONE. PA...NONE.
The Buffalo radar (KBUF), 145 km away, was scanning. The volume nearest the first event began at 11:24 UTC.
1 waterspout. Local standard time, as filed.
Two waterspouts, one large and one small were observed on Lake Erie just offshore from Erie. No damage occurred.
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, September 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: 5267889.