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 Binghamton, NY wrote its last area forecast discussion before the first event at Apr 3, 12:05 PM EST, 6 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 105 PM EDT TUE APR 3 2001 SCATTERED SHOWERS THIS EVNG ACRS NE PA AS THE S/WV SLIDES BY. REMAINDER OF FCST FEATURES RIDGING AND SLOWLY MODERATING TEMPS. INDICATIONS OF A SLIGHTLY MORE LOW LVL MSTR ACRS ERN ZONES TMRW...SO MIGHT GO PARTLY SUNNY THERE AS OPPOSED TO MOSTLY SUNNY ELSEWHERE. SOME UPR LVL MSTR TRIES TO WORK OVER THE TOP OF THE RDG LATER TMRW NGT AND THU. WITH THE RDG AXIS SO FAR TO THE WEST XPCT ANY CI/AC TO BE THINNING AS IT MOVS INTO THE RGN. PREV AVN RUN WAS MUCH WETTER SO NOT MUCH CONSISTENCY. WILL BE CONSERVATIVE AND FCST PARTLY (VS MOSTLY) SUNNY ON THU. NXT CHC FOR SIG PCPN APPEARS TO BE FRI NGT AS A WMFNT APRCHS. .BGM...NONE. BRADY
The Binghamton radar (KBGM), 63 km away, was scanning. The volume nearest the first event began at 23:30 UTC.
1 flash flood. Local standard time, as filed.
Failure of the earthen Saco Lake Dam caused flash flooding on Hemlock Run Creek.
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, April 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: 5242515.