Delaware, 1998

Heat in Delaware, November 28 to 30, 1998

November 28 to 30, 1998 · NWS PHI · 4 events in 4 counties and zones

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.

Where it happened

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.

  • 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
None recorded
Crop damage
None recorded
Events
4

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 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 radar

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

Open the radar archive at this moment

Event by event

4 heat. Local standard time, as filed.

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)

Heat, Inland Sussex

When
November 28, 10:00 AM EST to November 30, 11:59 PM EST
Where
Inland Sussex forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.683, -75.339 (the zone’s center; the record gives no point)

Heat, Kent

When
November 28, 10:00 AM EST to November 30, 11:59 PM EST
Where
Kent forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.096, -75.505 (the zone’s center; the record gives no point)

Heat, New Castle

When
November 28, 10:00 AM EST to November 30, 11:59 PM EST
Where
New Castle forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.578, -75.639 (the zone’s center; the record gives no point)

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

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

The same day elsewhere

More

Every storm in Delaware in 1998Every state in 1998This day in weather historyWarnings in Delaware, November 1998

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: 5676253, 5676254, 5676255, 5676256.