New York, 2023

Flash Flooding and Damaging Wind in New York, July 18, 2023

July 18, 2023 · NWS ALY · 9 events in 3 counties and zones

Clusters of slow-moving, training, and heavy rain producing thunderstorms resulted in a downed tree and flash flooding over parts of eastern New York on July 18. The bulk of the heaviest rain and flooding reports were concentrated in and around the Capital District including the City of Albany, where some cars were stuck in rising flood waters.

Where it happened

Every event with a place to put it. 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$45,000
Crop damage
$1,000
Events
9

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 ALY wrote it up.

Clusters of slow-moving, training, and heavy rain producing thunderstorms resulted in a downed tree and flash flooding over parts of eastern New York on July 18. The bulk of the heaviest rain and flooding reports were concentrated in and around the Capital District including the City of Albany, where some cars were stuck in rising flood waters. More than 5,000 residents in Albany County lost power as a result of these storms.

The radar

The Albany radar (KENX), 41 km away, was scanning. The volume nearest the first event began at 18:14 UTC.

Open the radar archive at this moment

Event by event

8 flash flood, 1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Montgomery

When
July 18, 1:13 PM EST
Where
Montgomery County, 0.86 mi NW of Amsterdam
Measured
40 kt (46 mph) estimated gust
Crop damage
$1,000
Reported by
Broadcast Media
Coordinates
42.940, -74.190

A tree was reported down along with wires on Guy Park Avenue.

Flash Flood, Albany

When
July 18, 5:20 PM EST to 8:00 PM EST
Where
Albany County, 0.48 mi NNW of New Salem to 0.6 mi W of New Salem
Cause
Heavy Rain
Property damage
$10,000
Reported by
911 Call Center
Coordinates
42.626, -73.974

There was a report of a road washout near the intersection of New Salem South Road, New Salem Road and Route 85 in the Town of New Scotland.

Flash Flood, Albany

When
July 18, 5:30 PM EST to 8:00 PM EST
Where
Albany County, Voorheesville to 0.36 mi SSW of Voorheesville
Cause
Heavy Rain
Property damage
$10,000
Reported by
911 Call Center
Coordinates
42.650, -73.930

Multiple vehicles were stuck in flood waters at the intersection of Severson Hill Road and Stonnington Hill Road.

Flash Flood, Albany

When
July 18, 6:00 PM EST to 8:30 PM EST
Where
Albany County, 1.31 mi SE of Roessleville to 1.53 mi SE of Roessleville
Cause
Heavy Rain
Property damage
$15,000
Reported by
Newspaper
Coordinates
42.688, -73.800

Cars were reported stuck in flood waters on Central Avenue at the I-90 overpass.

Flash Flood, Albany

When
July 18, 6:00 PM EST to 8:30 PM EST
Where
Albany County, 0.9 mi NNE of North Bethlehem to 1.01 mi NNE of North Bethlehem
Cause
Heavy Rain
Property damage
$5,000
Reported by
Broadcast Media
Coordinates
42.682, -73.844

Route 20 at Stuyvesant Plaza was completely flooded. There was at least three feet of water with a vehicle stuck in flood waters.

Flash Flood, Albany

When
July 18, 6:00 PM EST to 8:30 PM EST
Where
Albany County, North Bethlehem to 0.65 mi E of North Bethlehem
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
42.670, -73.850

Schoolhouse Road at the Guilderland-Bethlehem town line was closed due to flooding.

Flash Flood, Albany

When
July 18, 6:00 PM EST to 8:30 PM EST
Where
Albany County, 1.23 mi NE of North Bethlehem to 1.06 mi ENE of North Bethlehem
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
42.680, -73.830

McKown Road and Ayre Drive were closed due to flooding.

Flash Flood, Albany

When
July 18, 6:15 PM EST to 8:30 PM EST
Where
Albany County, 0.51 mi W of Delmar to 1.23 mi SW of Delmar
Cause
Heavy Rain
Reported by
911 Call Center
Coordinates
42.620, -73.830

Delmar Police requested assistance from the Fire Department to close down a roadway due to flooding.

Flash Flood, Ulster

When
July 18, 6:45 PM EST to 8:30 PM EST
Where
Ulster County, 2.11 mi NNE of Ganahgote to 0.75 mi SSW of Ganahgote
Cause
Heavy Rain
Property damage
$5,000
Reported by
911 Call Center
Coordinates
41.710, -74.172

Several roads were closed in and around the Gardiner area due to flooding.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in New York in 2023Every state in 2023This day in weather historyWarnings in New York, July 2023

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 2026-10-01. Each event’s entry at NCEI: 1106129, 1106131, 1106133, 1106139, 1106141, 1106143, 1106144, 1106136, 1106140.