Dense Fog in Virginia, January 12 to 14, 2013

Name: Dense Fog in Virginia, January 12 to 14, 2013
Start: 2013-01-12T17:49
End: 2013-01-14T00:00
Location: Virginia

January 12 to 14, 2013 · NWS LWX · 21 events in 21 counties and zones

High pressure was centered off the Atlantic coast. Southerly flow has transported mild temperatures and moisture northward into the Mid Atlantic Region.

Where it happened

Every event with a place to put it; 19 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 21

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 was centered off the Atlantic coast. Southerly flow has transported mild temperatures and moisture northward into the Mid Atlantic Region. Calm winds and low level moisture led to dense fog overnight. This was the second consecutive day of dense fog in the region.

The radar

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

Open the radar archive at this moment

Event by event

21 dense fog. Local standard time, as filed.

Dense Fog, Loudoun

When: January 12, 5:49 PM EST to January 14, 12:00 AM EST
Where: Loudoun forecast zone
Reported by: ASOS

Visibility was reported around a quarter mile at Dulles International and Leesburg Airports.

Dense Fog, Northern Fauquier

When: January 12, 5:49 PM EST to January 14, 12:00 AM EST
Where: Northern Fauquier forecast zone
Reported by: ASOS
Coordinates: 38.739, -77.809 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Dulles International and Leesburg Airports.

Dense Fog, Fairfax

When: January 12, 5:49 PM EST to January 14, 12:00 AM EST
Where: Fairfax forecast zone
Reported by: ASOS
Coordinates: 38.841, -77.291 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Dulles International Airport.

Dense Fog, Orange

When: January 12, 6:15 PM EST to 11:55 PM EST
Where: Orange forecast zone
Reported by: ASOS
Coordinates: 38.246, -78.013 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Orange Airport.

Dense Fog, Culpeper

When: January 12, 6:15 PM EST to January 13, 10:00 AM EST
Where: Culpeper forecast zone
Reported by: ASOS
Coordinates: 38.486, -77.956 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Culpeper Airport.

Dense Fog, Southern Fauquier

When: January 12, 6:15 PM EST to January 13, 8:55 AM EST
Where: Southern Fauquier forecast zone
Reported by: ASOS
Coordinates: 38.739, -77.809 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Warrenton Airport.

Dense Fog, Stafford

When: January 12, 6:35 PM EST to 11:15 PM EST
Where: Stafford forecast zone
Reported by: AWOS
Coordinates: 38.421, -77.457 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Stafford Airport.

Dense Fog, Rappahannock

When: January 12, 7:49 PM EST to January 14, 12:00 AM EST
Where: Rappahannock forecast zone
Reported by: ASOS
Coordinates: 38.685, -78.159 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Dulles International and Leesburg Airports.

Dense Fog, Prince William

When: January 12, 9:55 PM EST to January 13, 3:55 AM EST
Where: Prince William forecast zone
Reported by: ASOS

Visibility was reported around a quarter mile at Manassas Airport.

Dense Fog, King George

When: January 12, 10:35 PM EST to January 13, 11:15 PM EST
Where: King George forecast zone
Reported by: AWOS
Coordinates: 38.274, -77.156 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Stafford and Fredericksburg Airports.

Dense Fog, Madison

When: January 13, 12:53 AM EST to 4:50 AM EST
Where: Madison forecast zone
Reported by: ASOS
Coordinates: 38.414, -78.279 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Charlottesville Airport.

Dense Fog, Spotsylvania

When: January 13, 1:15 AM EST to 11:35 AM EST
Where: Spotsylvania forecast zone
Reported by: AWOS
Coordinates: 38.244, -77.558 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Fredericksburg Airport.

Dense Fog, Albemarle

When: January 13, 1:53 AM EST to 4:50 AM EST
Where: Albemarle forecast zone
Reported by: ASOS
Coordinates: 38.029, -78.477 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Charlottesville Airport.

Dense Fog, Greene

When: January 13, 1:53 AM EST to 4:50 AM EST
Where: Greene forecast zone
Reported by: ASOS
Coordinates: 38.298, -78.467 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Charlottesville Airport.

Dense Fog, Nelson

When: January 13, 1:53 AM EST to 4:50 AM EST
Where: Nelson forecast zone
Reported by: ASOS
Coordinates: 37.787, -78.887 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Charlottesville Airport.

Dense Fog, Arlington

When: January 13, 2:52 AM EST to 5:45 AM EST
Where: Arlington forecast zone
Reported by: ASOS
Coordinates: 38.855, -77.106 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Reagan National Airport.

Dense Fog, Frederick

When: January 13, 4:15 AM EST to 9:15 AM EST
Where: Frederick forecast zone
Reported by: AWOS
Coordinates: 39.195, -78.213 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Winchester Airport.

Dense Fog, Clarke

When: January 13, 4:15 AM EST to 9:15 AM EST
Where: Clarke forecast zone
Reported by: AWOS
Coordinates: 39.112, -77.997 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Winchester Airport.

Dense Fog, Shenandoah

When: January 13, 5:05 AM EST to 9:15 AM EST
Where: Shenandoah forecast zone
Reported by: AWOS
Coordinates: 38.858, -78.571 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Shenandoah and Winchester Airports.

Dense Fog, Augusta

When: January 13, 5:35 AM EST to 8:30 AM EST
Where: Augusta forecast zone
Reported by: ASOS
Coordinates: 38.109, -78.974 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Shenandoah Airport.

Dense Fog, Rockingham

When: January 13, 5:35 AM EST to 8:30 AM EST
Where: Rockingham forecast zone
Reported by: AWOS
Coordinates: 38.481, -78.872 (the zone’s center; the record gives no point)

Visibility was reported around a quarter mile at Shenandoah Airport.

What these are

Dense Fog: Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.

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

The same day elsewhere

Every storm in Virginia in 2013 Every state in 2013 This day in weather history Warnings in Virginia, January 2013

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: 431897, 431898, 431903, 431900, 431901, 431908, 431904, 431899, 431902, 431906, 431909, 431907, 431910, 431912, 431914, 431895, 431917, 431918, 431920, 431915, 431916.