National Weather Service United States Department of Commerce
Slowing moving thunderstorms dropped an estimated 6 to 8 inches over southern Delaware County at the western end of New York's Catskill Mountain Park. The rain occurred between 430 pm and 830 pm Tuesday June 19th 2007 with the bulk of the rain occurring from 6 pm to 8 pm.

Preliminary information after the event...
  • There was a flash flood warning issued with 29 minutes lead time for Delaware County.
  • There were also 3 severe thunderstorm warnings issued for Delaware County that day too.
  • The first minor flood reports came in at 705 PM EDT with the more significant flash flooding occurring between 730 PM EDT and 830 PM EDT.
  • Route 206 between Rockland NY and Downsville, NY and the surrounding neighborhoods were hardest hit with major flash flooding. Route 206 is completely gone in one area with a 25 foot gully cut across the road from flood waters.
  • 10 other roads in this area severely damaged by flood waters.
  • A 4 foot wall of water was observing flowing in this area by state police.
  • 37 homes were affected by flood waters, with 30 homes either totally destroyed or damaged beyond repair including 4 homes completely washed away on the side of a hill.
  • 2 bridges destroyed.
  • Estimated 4-5 million dollars worth of damage to county infrastructure.
  • Unfortunately there were 2 fatalities and 2 people missing.

Below in a Storm Total Precipitation (STP) image from the National Weather Service radar at Binghamton, NY. The image shows the storm total rainfall estimates from 11:15 AM EDT June 19, 2007 to 2:01 AM EDT June 20, 2007. The radar estimated between 6 to 8 inches of rainfall. The yellow circle shows where the greatest amount of rainfall fell. 

Storm Total Precipitation for June 19 to 20, 2007.

Below is a close up of Storm Total Precipitation for June 19 to 20, 2007 shown above. 

Storm Total Precipitation for June 19 to 20, 2007.

This is a 0.5 Base Reflectivity loop from the NWS Binghamton, NY WSR-88D. The loop is from 4:12 PM EDT to 8:57 PM EDT.

The white circle shows the approximate area where the flash flooding occurring.



Pictures of some of the flooding that occurred in the area. The following pictures were taken by a National Weather Service Survey Team as they traveled along Route 206 in Delaware County on June 22, 2007. The team consisted of Dave Morford, NWS BGM IMET/Forecaster, and Mike Schaffner, NWS BGM Service Hydrologist. Click on an image for a larger view.


Private road and bridge washed out.

Section of Route 206 washed out.

House damaged.

Van caught in flash flood. Note the debris trapped beneath the van.

Flash flood debris.

Crossing a stream on Route 206.

Damage to a home and vehicle.

Damage to barn.

Condemned house due to flood damage.

Another condemned house due to flood damage.

Flood Damage.

Damage to truck and mobile home.

Home swept away in flood.

Flood damge to vehicle and structure.

Major damage to a van.

Property damage.

Mike Schaffner, NWS BGM Service Hydrologist, looking over damage caused by Berry Brook flooding.

Flood damage along Holiday Brook.