New York, 2001

Flooding in New York, April 9 to 16, 2001

April 9 to 16, 2001 · NWS BGM · 4 events in 4 counties and zones

Rainfall and snowmelt combined to bring the Susquehanna River out of its banks from Unadilla through Waverly in Otsego, Chenango, Broome, and Tioga counties. The flooding was minor and confined mostly to rural agricultural lands in the flood plain.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

What happened

The episode as NWS BGM wrote it up.

Rainfall and snowmelt combined to bring the Susquehanna River out of its banks from Unadilla through Waverly in Otsego, Chenango, Broome, and Tioga counties. The flooding was minor and confined mostly to rural agricultural lands in the flood plain.

What forecasters said that day

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 8, 8:30 PM EST, 4 hours 58 minutes earlier.

Area forecast discussion, Apr 8, 8:30 PM EST, 4 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
930 PM EDT SUN APR 8 2001

WILL UPDATE THE FORECAST TO REMOVE THE BECOMING WORDING. FOR THE
WYOMING VALLEY REPLACED DECREASING CLOUDS WITH PARTLY CLOUDY. CLOUDS
STILL HANGING TOUGH ACROSS THE SE ZONES HOWEVER. HAVE ADDED THE
MENTION OF FOG THERE. WIDE RANGE IN TEMPS CURRENTLY ACROSS THE FA.
WILL BROADEN THE RANGE OF OVERNIGHT LOWS IN SOME PLACES.

.BGM...NONE.

SwMF

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 flood. Local standard time, as filed.

Flood, Chenango

When
April 9, 1:28 AM EST to April 16, 3:58 AM EST
Where
Chenango forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.494, -75.612 (the zone’s center; the record gives no point)

Flood, Tioga

When
April 9, 11:00 AM EST to April 14, 5:00 AM EST
Where
Tioga forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.170, -76.306 (the zone’s center; the record gives no point)

Flood, Broome

When
April 9, 3:00 PM EST to April 16, 11:00 PM EST
Where
Broome forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.160, -75.820 (the zone’s center; the record gives no point)

Flood, Otsego

When
April 10, 8:52 AM EST to April 12, 12:15 AM EST
Where
Otsego forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.634, -75.033 (the zone’s center; the record gives no point)

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New York in 2001Every state in 2001This day in weather historyWarnings in New York, April 2001

Sources

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: 5242603, 5242605, 5242602, 5242604.