Flood, Jefferson
- When
- March 30, 7:35 AM EST to March 31, 11:00 PM EST
- Where
- Jefferson forecast zone
- Property damage
- $25,000
- Coordinates
- 43.999, -76.052 (the zone’s center; the record gives no point)
Unseasonably warm weather resulted in rapid melt of the snowpack on the Tug Hill plateau. The snowmelt combined with additional rainfall caused the Black River to rise over its banks and exceed flood stage at Watertown.
Every event with a place to put it; 2 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 episode as NWS BUF wrote it up.
Unseasonably warm weather resulted in rapid melt of the snowpack on the Tug Hill plateau. The snowmelt combined with additional rainfall caused the Black River to rise over its banks and exceed flood stage at Watertown. Lowland flooding occurred both at Carthage and Castorland. The river remained above flood stage at Watertown through the first week of April.
The national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 1998Every state in 1998This day in weather historyWarnings in New York, March 1998
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: 5630956, 5630957.