Maryland, 2000

Extreme Cold in Maryland, December 22 to 23, 2000

December 22 to 23, 2000 · NWS LWX · 14 events in 14 counties and zones

After a cold front moved across the region during the afternoon of the 22nd, northwest winds picked up to 20 to 30 MPH. Temperatures dropped into the teens which created wind chills between -10 and -20 degrees.

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.

After a cold front moved across the region during the afternoon of the 22nd, northwest winds picked up to 20 to 30 MPH. Temperatures dropped into the teens which created wind chills between -10 and -20 degrees. As the winds subsided during the early morning hours of the 23rd, temperatures ranged from the single digits above zero to the lower teens.

The radar

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

Open the radar archive at this moment

Event by event

14 extreme cold/wind chill. Local standard time, as filed.

Extreme Cold/Wind Chill, Allegany

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Allegany forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Extreme Cold/Wind Chill, Washington

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Washington forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.604, -77.814 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Carroll

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Carroll forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.563, -77.022 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Anne Arundel

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Anne Arundel forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.994, -76.568 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Frederick

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Frederick forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.472, -77.398 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Montgomery

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Montgomery forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Extreme Cold/Wind Chill, Howard

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Howard forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Extreme Cold/Wind Chill, Northern Baltimore

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Northern Baltimore forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.443, -76.616 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Southern Baltimore / Baltimore (C)

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Southern Baltimore / Baltimore (C) forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.367, -76.614 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Harford

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Harford forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Extreme Cold/Wind Chill, Prince Georges

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Prince Georges forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.830, -76.847 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Calvert

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Calvert forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.535, -76.531 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, Charles

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
Charles forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.474, -77.013 (the zone’s center; the record gives no point)

Extreme Cold/Wind Chill, St. Mary'S

When
December 22, 3:00 PM EST to December 23, 6:00 AM EST
Where
St. Mary'S forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.216, -76.529 (the zone’s center; the record gives no point)

What these are

Extreme Cold/Wind Chill
Temperatures or wind chills at or below the local warning criteria, or cold 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, December 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 2026-09-24. Each event’s entry at NCEI: 5168733, 5168734, 5168735, 5168736, 5168737, 5168738, 5168739, 5168740, 5168741, 5168742, 5169124, 5169125, 5169126, 5169127.