Dense Fog in Florida, December 11, 1999

Name: Dense Fog in Florida, December 11, 1999
Start: 1999-12-11T03:00
End: 1999-12-11T09:00
Location: Florida

December 11, 1999 · NWS TBW · 10 events in 10 counties and zones

Widespread areas of dense fog reduced visibilities to less than a quarter mile south of a New Port Richey to Polk City line.

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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 10

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 TBW wrote it up.

Widespread areas of dense fog reduced visibilities to less than a quarter mile south of a New Port Richey to Polk City line.

The radar

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

Open the radar archive at this moment

Event by event

10 dense fog. Local standard time, as filed.

Dense Fog, Hillsborough

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Hillsborough forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

Dense Fog, Charlotte

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Charlotte forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

Dense Fog, De Soto

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: De Soto forecast zone
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 27.186, -81.809 (the zone’s center; the record gives no point)

Dense Fog, Hardee

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Hardee forecast zone
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 27.493, -81.810 (the zone’s center; the record gives no point)

Dense Fog, Highlands

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Highlands forecast zone
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 27.343, -81.341 (the zone’s center; the record gives no point)

Dense Fog, Lee

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Lee forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

Dense Fog, Manatee

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Manatee forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

Dense Fog, Pinellas

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Pinellas forecast zone
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 27.903, -82.739 (the zone’s center; the record gives no point)

Dense Fog, Polk

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Polk forecast zone
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 27.949, -81.698 (the zone’s center; the record gives no point)

Dense Fog, Sarasota

When: December 11, 3:00 AM EST to 9:00 AM EST
Where: Sarasota forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

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 Florida in 1999 Every state in 1999 This day in weather history Warnings in Florida, December 1999

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: 5724494, 5724495, 5724496, 5724497, 5724498, 5724499, 5724500, 5724501, 5724502, 5724503.