Heat, Delaware Beaches
- When
- November 28, 10:00 AM EST to November 30, 11:59 PM EST
- Where
- Delaware Beaches forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.683, -75.339 (the zone’s center; the record gives no point)
A very strong and persistent ridge of high pressure at all levels of the atmosphere remained anchored across the western Atlantic Ocean and the Middle and South Atlantic States from November 28th through December 7th. The result was 10 consecutive days of record breaking, unseasonably warm weather in Delaware.
Every event with a place to put it; 4 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 PHI wrote it up.
A very strong and persistent ridge of high pressure at all levels of the atmosphere remained anchored across the western Atlantic Ocean and the Middle and South Atlantic States from November 28th through December 7th. The result was 10 consecutive days of record breaking, unseasonably warm weather in Delaware. The warmest weather during this stretch occurred in December. The warmest day during November was the 29th. High temperatures that day included 73 degrees in Greenwood (Sussex County), 72 degrees in Georgetown (Sussex County) and 70 degrees at the New Castle County Airport (a new record high for the date).
The national radar mosaic for the moment the first event began.
4 heat. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Delaware in 1998Every state in 1998This day in weather historyWarnings in Delaware, November 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: 5676253, 5676254, 5676255, 5676256.