Alert archive / Florida / Dense Fog Advisories in 2012

Dense Fog Advisory 3, NWS Melbourne, FL

February 18, 20126 counties in Florida

NWS Melbourne, FL issued this dense fog advisory at Feb 18, 2012, 3:39 AM EST for 6 counties in Florida. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2012, 3:39 AM EST (08:39 UTC)
Expired
Feb 18, 2012, 9:00 AM EST
In force
5 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 08:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this dense fog advisory went out at Feb 17, 9:06 PM EST, 6 hours 33 minutes earlier.

Area forecast discussion, Feb 17, 9:06 PM EST, 6 hours 33 minutes before
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Hazardous weather outlook, Feb 17, 6:35 PM EST, 9 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
635 PM EST FRI FEB 17 2012

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-180645-
COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
OUT 20 NM-
COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN
INLET OUT 20 NM-
COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO
60 NM OFFSHORE-
WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO
60 NM OFFSHORE-
WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
635 PM EST FRI FEB 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.DENSE FOG/SMOKE IMPACT...
AREAS OF FOG WILL DEVELOP ACROSS EAST CENTRAL FLORIDA OVERNIGHT AS
DEEP MOISTURE AND LIGHT WINDS DEVELOP AROUND A FRONTAL BOUNDARY
STALLED JUST NORTH OF THE I-4 CORRIDOR. THE FOG COULD BECOME
LOCALLY DENSE IN THE EARLY MORNING HOURS WITH VISIBILITY FALLING
TO A QUARTER MILE OR LESS. THE BEST CHANCE FOR FOG FORMATION WILL
BE ALONG AND NORTH OF THE I-4 CORRIDOR...AS WELL AS EAST ORANGE
AND NORTH BREVARD COUNTY.

DRIVERS ARE URGED TO SLOW DOWN WHEN ENCOUNTERING FOG...ESPECIALLY
IN AREAS WITH ACTIVE WILDFIRES...AS VISIBILITY CAN CHANGE RAPIDLY
AT HIGHWAY SPEEDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
WINDS AND SEAS WILL INCREASE OVER THE WEEKEND INTO EARLY NEXT
WEEK...AS A LOW PRESSURE CENTER MOVES FROM THE NORTHERN GULF OF
MEXICO COAST TOWARDS THE CAROLINAS. THERE WILL BE A CHANCE OF
THUNDERSTORMS LATE SATURDAY INTO SUNDAY AS A COLD FRONT DROPS
THROUGH CENTRAL FLORIDA.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

BRAGAW

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 18, 4:07 AM ESTSmall Craft AdvisoryMLB54 hr

Nearby

Dense Fog Advisories in Florida, 2012Every dense fog advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.