Delaware, 1997

Heavy Rain in Delaware, May 25 to 26, 1997

May 25 to 26, 1997 · NWS PHI · 3 events in 3 counties and zones

A series of low pressure systems traveling west to east along a nearly stationary frontal boundary produced some locally heavy rain across the Delmarva Peninsula from the daylight hours on the 25th through the early morning of the 26th. Bands of heavier rain affected northern parts of the peninsula mainly on the 25th and southern parts of the peninsula during the late evening on the 25th and the…

Where it happened

Every event with a place to put it; 3 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
3

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.

A series of low pressure systems traveling west to east along a nearly stationary frontal boundary produced some locally heavy rain across the Delmarva Peninsula from the daylight hours on the 25th through the early morning of the 26th. Bands of heavier rain affected northern parts of the peninsula mainly on the 25th and southern parts of the peninsula during the late evening on the 25th and the early morning on the 26th. Storm totals averaged 1 to 2 inches, with some locally higher amounts in Kent County. Representative totals included 3.68 inches at the Dover AFB, 3.5 inches in Camden, 1.90 inches in Bridgeville, 1.3 inches in Georgetown and 1.00 inch in Pennyhill.

The radar

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

Open the radar archive at this moment

Event by event

3 heavy rain. Local standard time, as filed.

Heavy Rain, New Castle

When
May 25, 7:00 AM EST to 9:00 PM EST
Where
New Castle County, Countywide
Coordinates
39.578, -75.639 (the zone’s center; the record gives no point)

Heavy Rain, Kent

When
May 25, 1:00 PM EST to May 26, 3:00 AM EST
Where
Kent County, Countywide
Coordinates
39.096, -75.505 (the zone’s center; the record gives no point)

Heavy Rain, Sussex

When
May 25, 3:00 PM EST to May 26, 6:00 AM EST
Where
Sussex County, Countywide
Coordinates
38.683, -75.339 (the zone’s center; the record gives no point)

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

More

Every storm in Delaware in 1997Every state in 1997This day in weather historyWarnings in Delaware, May 1997

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: 5609073, 5609074, 5609075.