Flash Flood, New Castle
- When
- March 21, 9:00 PM EST to March 22, 8:00 AM EST
- Where
- New Castle County, North Portion
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.578, -75.639 (the zone’s center; the record gives no point)
Flash Flood in Delaware, March 21 to 22, 1999
Heavy rain affected the Delmarva Peninsula during the late afternoon and evening of the 21st. This caused flooding along the Christina River and significant, but within bankfull rises on some of the other major streams and creeks in New Castle County.
Where it happened
Every event with a place to put it; 1 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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 PHI wrote it up.
Heavy rain affected the Delmarva Peninsula during the late afternoon and evening of the 21st. This caused flooding along the Christina River and significant, but within bankfull rises on some of the other major streams and creeks in New Castle County. The Christina River at Coochs Bridge reached its flood stage of 9 feet at 9 p.m. EST on the 21st, crested at 11.63 feet at 1230 a.m. EST on the 22nd and was back within bankfull at 8 a.m. EST on the 22nd. This was the highest crest at Coochs Bridge on the Christina River since the January 19, 1996 crest of 11.8 feet. Storm totals included 2.20 inches in Newark, 2.03 inches in Wilmington and 1.98 inches at the New Castle County Airport. No serious damage or injuries were reported. The low pressure system responsible for the heavy rain moved northeast from Atlanta, Georgia the morning of the 21st to Albany, New York the morning of the 22nd.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- 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
- Avalanche in Alaska, March 21, 1999
- Damaging Wind in South Carolina, March 21, 1999
- Lightning Strike in South Carolina, March 21, 1999
- Lightning Strike in North Carolina, March 21, 1999
- Damaging Wind in South Carolina, March 21, 1999
- Winter Storm in New York, March 21 to 22, 1999
- Heavy Snow in New York, March 21 to 23, 1999
- Heavy Rain in New Jersey, March 21 to 22, 1999
- Winter Storm in New York, March 21 to 22, 1999
- Heavy Snow in Pennsylvania, March 21 to 22, 1999
- Flash Flooding in Pennsylvania, March 21 to 22, 1999
- Heavy Rain in Maryland, March 21 to 22, 1999
More
Every storm in Delaware in 1999Every state in 1999This day in weather historyWarnings in Delaware, March 1999
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: 5692116.