Dense Fog, Caroline
- When
- December 17, 3:00 AM EST to 11:00 AM EST
- Where
- Caroline forecast zone
- Reported by
- Emergency Manager
- Coordinates
- 38.872, -75.832 (the zone’s center; the record gives no point)
Dense Fog in Maryland, December 17, 2012
A quasi-stationary frontal boundary that lingered over the Delmarva Peninsula produced dense fog over the region during the morning of the 17th. Schools had delayed openings in Talbot County.
Where it happened
Every event with a place to put it; 5 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
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 quasi-stationary frontal boundary that lingered over the Delmarva Peninsula produced dense fog over the region during the morning of the 17th. Schools had delayed openings in Talbot County.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before the first event at Dec 16, 9:19 PM EST, 5 hours 41 minutes earlier.
Area forecast discussion, Dec 16, 9:19 PM EST, 5 hours 41 minutes before
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The national radar mosaic for the moment the first event began.
Event by event
5 dense fog. Local standard time, as filed.
Dense Fog, Cecil
- When
- December 17, 3:00 AM EST to 11:00 AM EST
- Where
- Cecil forecast zone
- Reported by
- Emergency Manager
- Coordinates
- 39.562, -75.948 (the zone’s center; the record gives no point)
Dense Fog, Kent
- When
- December 17, 3:00 AM EST to 11:00 AM EST
- Where
- Kent forecast zone
- Reported by
- Emergency Manager
- Coordinates
- 39.236, -76.096 (the zone’s center; the record gives no point)
Dense Fog, Queen Annes
- When
- December 17, 3:00 AM EST to 11:00 AM EST
- Where
- Queen Annes forecast zone
- Reported by
- Emergency Manager
- Coordinates
- 39.038, -76.085 (the zone’s center; the record gives no point)
Dense Fog, Talbot
- When
- December 17, 3:00 AM EST to 11:00 AM EST
- Where
- Talbot forecast zone
- Reported by
- Emergency Manager
- Coordinates
- 38.749, -76.179 (the zone’s center; the record gives no point)
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
- Winter Weather in Washington, December 17 to 25, 2012
- Coastal Flood in Washington, December 17 to 27, 2012
- High Wind in Washington, December 17, 2012
- Damaging Winds in Georgia, December 17, 2012
- High Wind and Strong Wind in Washington, December 17, 2012
- Damaging Winds in Georgia, December 17, 2012
- Tornadoes and Damaging Wind in Georgia, December 17, 2012
- Damaging Winds in Georgia, December 17, 2012
- Damaging Winds in Florida, December 17, 2012
- Damaging Winds in South Carolina, December 17, 2012
- Dense Fog in Virginia, December 17, 2012
- Frost and Freeze and Winter Weather in California, December 17 to 20, 2012
More
Every storm in Maryland in 2012Every state in 2012This day in weather historyWarnings in Maryland, December 2012
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: 423539, 423540, 423541, 423542, 423543.