Alert archive / Florida / Wind Advisories in 2012

Wind Advisory 1, NWS Melbourne, FL

March 4, 20126 counties in Florida

NWS Melbourne, FL issued this wind advisory at Mar 4, 2012, 2:40 AM EST for 6 counties in Florida. It took effect at Mar 4, 2012, 9:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 4, 2012, 2:40 AM EST (07:40 UTC)
In effect from
Mar 4, 2012, 9:00 AM EST
Expired
Mar 4, 2012, 5:00 PM EST
In force
8 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 07:40 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

Tampa Bay, FL (KTBW), launched 00:00Z, 7.7 hours before the alert went out and 139 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, Tampa Bay, FL at 00:00Z on 2012-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Tampa Bay, FL at 00:00Z on 2012-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
13 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

140 
WWUS72 KMLB 040740
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
240 AM EST SUN MAR 4 2012

...STRONG WINDS WILL DEVELOP ACROSS ALL OF EAST CENTRAL FLORIDA THIS
MORNING AND CONTINUE WELL INTO THE AFTERNOON...

.WINDS WILL SHIFT TO NORTHWEST AND BECOME STRONG AND GUSTY AFTER
PASSAGE OF A COLD FRONT THIS MORNING.

FLZ041-044>047-053-054-058-059-064-141-144-147-041545-
/O.NEW.KMLB.WI.Y.0001.120304T1400Z-120304T2200Z/
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
240 AM EST SUN MAR 4 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 5 PM EST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM EST
THIS AFTERNOON. 

* WINDS...NORTHWEST WINDS WILL AVERAGE NEAR 25 MPH WITH GUSTS OF
  35 TO 40 MPH AT TIMES AFTER PASSAGE OF A STRONG COLD FRONT. THE
  STRONG WINDS WILL FIRST DEVELOP NORTH OF ORLANDO AND COCOA BEACH
  BY MID MORNING...AND BY LATE MORNING FOR AREAS FARTHER SOUTH.
  THE STRONG AND GUSTY WINDS WILL LAST THROUGH LATE AFTERNOON
  ACROSS ALL OF EAST CENTRAL FLORIDA.

* IMPACTS...THESE STRONG WINDS WILL BLOW LOOSE OBJECTS ABOUT AND
  WILL BUFFET HIGH PROFILE VEHICLES WHEN CROSSING ELEVATED
  ROADWAYS SUCH AS CAUSEWAYS. THESE CONDITIONS WILL MAKE BOATING
  ON INLAND LAKES AND WATERWAYS VERY DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

BOATING ON INLAND LAKES AND INTRACOASTAL WATERWAYS SHOULD BE
POSTPONED UNTIL WINDS SUBSIDE.

&&

$$

SPRATT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 2:59 AM ESTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Mar 4, 2:59 AM ESTRed Flag WarningMLBLake, Orange, Osceola, Seminole, Volusia16 hr
Mar 4, 4:20 AM ESTSpecial Weather StatementMLBLake85 min
Mar 4, 5:26 AM ESTSpecial Marine WarningMLB2 hr
Mar 4, 5:36 AM ESTSpecial Weather StatementMLBLake, Seminole, Volusia54 min
Mar 4, 5:37 AM ESTSpecial Marine WarningMLB83 min
Mar 4, 5:39 AM ESTSevere Thunderstorm WarningMLBVolusia18 min
Mar 4, 5:59 AM ESTSevere Thunderstorm WarningMLBVolusia31 min
Mar 4, 6:19 AM ESTSpecial Weather StatementMLBBrevard, Indian River, Orange, Osceola, Seminole86 min
Mar 4, 7:00 AM ESTSpecial Marine WarningMLB2 hr
Mar 4, 7:44 AM ESTSpecial Weather StatementMLBIndian River, Okeechobee46 min
Mar 4, 7:57 AM ESTSevere Thunderstorm WarningMLBBrevard, Indian River46 min
Mar 4, 8:27 AM ESTSpecial Weather StatementMLBMartin, Saint Lucie93 min
Mar 4, 8:58 AM ESTSpecial Marine WarningMLB107 min

Nearby

Wind Advisories in Florida, 2012Every wind 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.