Alert archive / Florida / Lake Wind Advisories in 2020

Lake Wind Advisory 4, NWS Melbourne, FL

January 11, 20205 counties in Florida

NWS Melbourne, FL issued this lake wind advisory at Jan 11, 2020, 3:30 AM EST for 5 counties in Florida. It took effect at Jan 11, 2020, 10:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2020, 3:30 AM EST (08:30 UTC)
In effect from
Jan 11, 2020, 10:00 AM EST
Expired
Jan 11, 2020, 5:00 PM EST
In force
7 hr
Issued by
NWS Melbourne, FL

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

The radar

The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 08:29 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 8.5 hours before the alert went out and 65 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, Cape Canaveral, FL at 00:00Z on 2020-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cape Canaveral, FL at 00:00Z on 2020-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
45 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
951 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
57 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 10, 8:33 PM EST, 6 hours 57 minutes earlier.

Area forecast discussion, Jan 10, 8:33 PM EST, 6 hours 57 minutes before
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Hazardous weather outlook, Jan 10, 7:25 PM EST, 8 hours 5 minutes before
Hazardous Weather Outlook
National Weather Service Melbourne FL
725 PM EST Fri Jan 10 2020

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-111230-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-Volusia-
Brevard County Line to Sebastian Inlet 0-20 nm-
Sebastian Inlet to Jupiter Inlet 0-20 nm-Flagler Beach to Volusia-
Brevard County Line 20-60 nm-Volusia-
Brevard County Line to Sebastian Inlet 20-60 nm-
Sebastian Inlet to Jupiter Inlet 20-60 nm-Inland Volusia-
Northern Lake-Orange-Seminole-Southern Brevard-Osceola-
Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
725 PM EST Fri Jan 10 2020

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.COASTAL FLOOD IMPACT...
Large breaking waves of 6 to 7 feet will produce dangerous surf
conditions at the central Florida Atlantic beaches overnight,
especially near the times of high tide. Minor beach erosion will
also possible.

.WIND AND SEA IMPACT...
Strong, gusty east-southeast winds of 20 to 25 knots will produce
seas between 7 and 10 feet over the adjacent Atlantic through at
least tonight. A Small Craft Advisory continues due to these
hazardous boating conditions.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
Strong southeast winds will continue to produce hazardous beach
and boating conditions into Sunday followed by a gradual
improvement early next week.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight.

Bragaw

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 5:10 AM ESTRip Current StatementMLBVolusia14 hr

Nearby

Lake Wind Advisories in Florida, 2020Every lake wind advisory in 2020

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.