Alert archive / Florida / Lake Wind Advisories in 2014

Lake Wind Advisory 21, NWS Melbourne, FL

October 31, 20146 counties in Florida

NWS Melbourne, FL issued this lake wind advisory at Oct 31, 2014, 3:21 PM EDT for 6 counties in Florida. It took effect at Nov 1, 2014, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Oct 31, 2014, 3:21 PM EDT (19:21 UTC)
In effect from
Nov 1, 2014, 8:00 AM EDT
Expired
Nov 1, 2014, 8:00 PM EDT
In force
12 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 19:21 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 12:00Z, 7.4 hours before the alert went out and 73 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 12:00Z on 2014-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2014-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 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
794 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

665 
WWUS72 KMLB 311921
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
321 PM EDT FRI OCT 31 2014

FLZ041-044>047-053-054-058-059-064-141-144-147-020000-
/O.NEW.KMLB.LW.Y.0021.141101T1200Z-141102T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO...
SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD...
VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND...
DAYTONA BEACH...CLERMONT...TITUSVILLE
321 PM EDT FRI OCT 31 2014

...LAKE WIND ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY. 

* WINDS...GUSTY WEST TO NORTHWEST WINDS 20 TO 25 MPH WILL KICK IN
  SHORTLY AFTER SUNRISE ON SATURDAY WITH OCCASIONAL GUSTS TO
  AROUND 30 MPH.

* IMPACTS...GUSTY WINDS OVER OPEN BODIES OF WATER WILL PRODUCE
  ROUGH CONDITIONS FOR SMALL VESSELS. NAVIGATION WILL BE
  HAZARDOUS OVER LAKES AND INLAND WATERWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

LASCODY
1 follow-up statement
135 
WWUS72 KMLB 020001
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
801 PM EDT SAT NOV 1 2014

FLZ041-044>047-053-054-058-059-064-141-144-147-020115-
/O.EXP.KMLB.LW.Y.0021.000000T0000Z-141102T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO...
SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD...
VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND...
DAYTONA BEACH...CLERMONT...TITUSVILLE
801 PM EDT SAT NOV 1 2014

...LAKE WIND ADVISORY HAS EXPIRED...


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 12:48 AM EDTSpecial Marine WarningMLB87 min
Oct 31, 4:01 AM EDTSmall Craft AdvisoryMLB3 days
Oct 31, 4:02 PM EDTGale WarningMLB30 hr

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.