Alert archive / Florida / Lake Wind Advisories in 2014

Lake Wind Advisory 4, NWS Melbourne, FL

January 21, 20146 counties in Florida

NWS Melbourne, FL issued this lake wind advisory at Jan 21, 2014, 2:57 AM EST for 6 counties in Florida. It took effect at Jan 21, 2014, 12:00 PM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2014, 2:57 AM EST (07:57 UTC)
In effect from
Jan 21, 2014, 12:00 PM EST
Expired
Jan 21, 2014, 7:00 PM EST
In force
7 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 07:56 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 8.0 hours before the alert went out and 236 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 00:00Z on 2014-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2014-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1870 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake wind 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 lake wind advisory went out at Jan 20, 8:55 PM EST, 6 hours 2 minutes earlier.

Area forecast discussion, Jan 20, 8:55 PM EST, 6 hours 2 minutes before
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Hazardous weather outlook, Jan 20, 6:00 PM EST, 8 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MELBOURNE FL
600 PM EST MON JAN 20 2014

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-210900-
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-
600 PM EST MON JAN 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
A STRONG COLD FRONT WILL MOVE THROUGH THE AREA LATE TUESDAY AFTERNOON
AND TUESDAY EVENING AND WILL BRING COLD WIND CHILL VALUES ACROSS
ALL OF EAST CENTRAL FLORIDA TUESDAY NIGHT. MOSTLY CLEAR SKIES AND
LIGHT WINDS WEDNESDAY NIGHT WILL BRING THE POTENTIAL FOR AREAS OF
FROST AND NEAR FREEZING TEMPERATURES...MAINLY ACROSS INTERIOR
PORTIONS OF EAST CENTRAL FLORIDA.

MARINE CONDITIONS WILL BECOME HAZARDOUS BEHIND THE FRONT TUESDAY
NIGHT AND WEDNESDAY FOR SMALL CRAFT...ESPECIALLY OFFSHORE. DRY
CONDITIONS WILL ALSO CONTINUE WITH PERIODIC ELEVATED WEST TO
NORTHWEST WINDS INTO LATE WEEK THAT WILL INCREASE FIRE SENSITIVITY.

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

VOLKMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 2:57 AM ESTFreeze WatchMLBLake, Volusia7 hr
Jan 21, 3:42 AM ESTGale WarningMLB24 hr
Jan 21, 3:42 AM ESTSmall Craft AdvisoryMLB36 hr
Jan 21, 2:42 PM ESTWind Chill AdvisoryMLBLake, Orange, Osceola, Seminole, Volusia19 hr
Jan 21, 2:54 PM ESTSmall Craft AdvisoryMLB25 hr
Jan 21, 5:00 PM ESTSpecial Weather StatementMLBSaint Lucie45 min

Nearby

Lake Wind Advisories in Florida, 2014Every lake wind advisory in 2014

Sources

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