Maryland, 2000

Excessive Heat in Maryland, January 2 to 4, 2000

January 2 to 4, 2000 · NWS LWX · 14 events in 14 counties and zones

S. coast turned winds southerly over the Mid-Atlantic region on the 2nd, starting a conveyer belt of warm air that would remain over the region through the 4th.

Where it happened

Every event with a place to put it; 10 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
14

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 LWX wrote it up.

High pressure off the Southeast U.S. coast turned winds southerly over the Mid-Atlantic region on the 2nd, starting a conveyer belt of warm air that would remain over the region through the 4th. With ample sunshine, high temperatures reached the middle 60s to lower 70s. Normal high temperatures for the first week of January are in the lower 40s. On the 2nd, high temperatures included 68 degrees at Baltimore/Washington International Airport (BWI) and downtown Baltimore, 70 degrees in Waldorf, 66 degrees in Frederick, 67 degrees at Hagerstown, and 69 degrees in Cumberland. On the 3rd, a new record high of 68 degrees was set at BWI Airport. Other high temperatures included downtown Baltimore at 66 degrees, Waldorf at 72 degrees, Frederick at 65 degrees, Hagerstown at 67 degrees, and Cumberland at 62 degrees. On the 4th, the record high of 70 degrees was tied at BWI Airport. Other high temperatures included downtown Baltimore at 70 degrees, Waldorf at 73 degrees, Frederick at 62 degrees, Hagerstown at 67 degrees and Cumberland at 65 degrees. During the evening of the 4th, a strong cold front moved across the region, bringing an end to the unseasonably warm weather.

The radar

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

Open the radar archive at this moment

Event by event

14 excessive heat. Local standard time, as filed.

Excessive Heat, Allegany

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Allegany forecast zone
Reported by
OFFICIAL NWS OBS.

Excessive Heat, Washington

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Washington forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
39.604, -77.814 (the zone’s center; the record gives no point)

Excessive Heat, Frederick

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Frederick forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
39.472, -77.398 (the zone’s center; the record gives no point)

Excessive Heat, Carroll

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Carroll forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
39.563, -77.022 (the zone’s center; the record gives no point)

Excessive Heat, Northern Baltimore

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Northern Baltimore forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
39.443, -76.616 (the zone’s center; the record gives no point)

Excessive Heat, Southern Baltimore / Baltimore (C)

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Southern Baltimore / Baltimore (C) forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
39.367, -76.614 (the zone’s center; the record gives no point)

Excessive Heat, Harford

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Harford forecast zone
Reported by
OFFICIAL NWS OBS.

Excessive Heat, Howard

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Howard forecast zone
Reported by
OFFICIAL NWS OBS.

Excessive Heat, Montgomery

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Montgomery forecast zone
Reported by
OFFICIAL NWS OBS.

Excessive Heat, Anne Arundel

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Anne Arundel forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
38.994, -76.568 (the zone’s center; the record gives no point)

Excessive Heat, Prince Georges

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Prince Georges forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
38.830, -76.847 (the zone’s center; the record gives no point)

Excessive Heat, Calvert

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Calvert forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
38.535, -76.531 (the zone’s center; the record gives no point)

Excessive Heat, Charles

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
Charles forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
38.474, -77.013 (the zone’s center; the record gives no point)

Excessive Heat, St. Mary'S

When
January 2, 8:00 AM EST to January 4, 6:00 PM EST
Where
St. Mary'S forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
38.216, -76.529 (the zone’s center; the record gives no point)

What these are

Excessive Heat
Heat at or above the local excessive heat warning criteria, or heat that caused deaths.

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

The same day elsewhere

More

Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, January 2000

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 2026-10-01. Each event’s entry at NCEI: 5130647, 5130648, 5130649, 5130650, 5130651, 5130652, 5130653, 5130654, 5130655, 5130656, 5130657, 5130658, 5130659, 5130660.