10 thunderstorm wind, 1 lightning, 1 hail, as filed by the National Weather Service.
Every event with a place to put it; 6 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 May 27, 2:00 PM EST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 300 PM EDT SUN MAY 27 2001 LINE OF SHRA AND TSRA PROGRESSING INTO WESTERN FA ATTM. ALSO SOME SHRA AND TSRA DEVELOPING AHEAD OF THE LINE MAINLY ACROSS THE CATSKILLS. LINE SHOULD BE THROUGH MOST OF THE FA BY THE EARLY EVENING HOURS. STORMS HAVE NOT BEEN SUSTAINING THEMSELVES FOR A LONG PERIOD. HAD A REPORT OF PEA SIZE HAIL FROM A SPOTTER IN SUSQUEHANNA COUNTY, PA WITH A SMALL THUNDERSTORM THERE. ANOTHER VORT MAX APPROACHES WESTERN NY BY 12Z MONDAY AND IS PROGGED TO BE CENTERED OVER THE FA AROUND 18Z AS THE UPPER LOW LIFTS ACROSS WESTERN NY. THE AVN IS STRONGER THAN THE ETA MODEL WITH THIS FEATURE. WILL GO WITH LIKELY POPS ON MONDAY AND CUT BACK TO CHC MONDAY NIGHT AS THE S/W LIFTS OUT OF THE AREA. ON TUESDAY...THE ATMOSPHERE BEGINS TO DRY OUT AS THE UPPER LOW LIFTS NORTH OF THE AREA ALONG THE ST LAWRENCE RIVER VALLEY. LINGERING CHC OF SH>RA BUT SHOULD BECOME PTSUNNY MOST AREAS DURING THE DAY. .BGM...NONE. JML
NYZ018-017-016-015-022-023-024-PAZ038-NYZ055-025-044-056-PAZ039-044- 047-043-272300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BINGHAMTON NY 101 PM EDT SUN MAY 27 2001 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 700 PM EDT FOR THE FOLLOWING COUNTIES: ONONDAGA NY... CAYUGA NY... SENECA NY... YATES NY... STEUBEN NY... SCHUYLER NY... CHEMUNG NY... BRADFORD PA... TIOGA NY... TOMPKINS NY... CORTLAND NY... BROOME NY... SUSQUEHANNA PA... LACKAWANNA PA... LUZERNE PA... WYOMING PA... SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER AND DANGEROUS CLOUD TO GROUND LIGHTNING. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD WATCH FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. TUNE TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS FROM THE NATIbONAL WEATHER SERVICE IN BINGHAMTON. ONCE AGAIN A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EDT.
The national radar mosaic for the moment the first event began.
10 thunderstorm wind, 1 lightning, 1 hail. Local standard time, as filed.
Local newspapers reported a few trees and wires were blown down by thunderstorm winds across Tompkins county.
Half inch diameter hail was reported by a SKYWARN spotter.
Trees and wires were blown down by thunderstorm winds.
Lightning struck a barn where people were taking shelter from a thunderstorm. 3 people were injured as the lightning moved through an electrical box in the barn. One victim was reported to be in critical condition.
Trees and wires were blown down by thunderstorm winds from Cortlandville to Cortland.
Trees were blown down by thunderstorm winds.
Thunderstorm wind gust measured by a SKYWARN spotter.
Large hail was reported from Jamesville through Syracuse. Smaller hail up to half inch diameter was reported in DeWitt and Camillus. Thunderstorm winds also brought a tree down onto the front porch of a house on Peters Street in Syracuse.
Pea-sized hail and wind gusts to 50 MPH were reported by a television meteorologist.
Small hail was reported by a NWS cooperative weather observer.
Small hail up to half an inch in diameter was reported from Bath to Prattsburg. The hail accumulated to a depth of 3 inches in Prattsburg.
Small hail was reported by SKYWARN spotters in Horseheads and Alpine Junction.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2001Every state in 2001This day in weather historyWarnings in New York, May 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: 5246494, 5246208, 5246283, 5246284, 5246285, 5246417, 5246418, 5246489, 5246490, 5246492, 5246491, 5246493.