Alert archive / Florida / Wind Advisories in 2009

Wind Advisory 4, NWS Melbourne, FL

May 19, 2009Volusia County, Florida

NWS Melbourne, FL issued this wind advisory at May 19, 2009, 7:39 PM EDT for Volusia County, Florida. It took effect at May 19, 2009, 8:00 PM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
May 19, 2009, 7:39 PM EDT (23:39 UTC)
In effect from
May 19, 2009, 8:00 PM EDT
Expired
May 20, 2009, 11:00 AM EDT
In force
15 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 91 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 2009-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2009-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
133 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS72 KMLB 192339
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
739 PM EDT TUE MAY 19 2009


FLZ141-147-201400-
/O.CAN.KMLB.LW.Y.0010.000000T0000Z-090520T0000Z/
/O.NEW.KMLB.WI.Y.0004.090520T0000Z-090520T1400Z/
COASTAL VOLUSIA-NORTHERN BREVARD-
INCLUDING THE CITIES OF...DAYTONA BEACH...TITUSVILLE
739 PM EDT TUE MAY 19 2009

...WIND ADVISORY IN EFFECT UNTIL 10 AM EDT WEDNESDAY...
...LAKE WIND ADVISORY IS CANCELED...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EDT WEDNESDAY. THE LAKE
WIND ADVISORY HAS BEEN CANCELED. 

THE STRENGTHENING PRESSURE GRADIENT BETWEEN DEVELOPING LOW
PRESSURE OVER SOUTHERN FLORIDA AND STRONG HIGH PRESSURE OVER THE
SOUTHEAST UNITED STATES WILL PRODUCE VERY STRONG WINDS ALONG THE
VOLUSIA AND BREVARD COUNTY COAST TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

FLZ047-201400-
/O.NEW.KMLB.WI.Y.0004.090520T0000Z-090520T1400Z/
SOUTHERN BREVARD-
INCLUDING THE CITIES OF...MELBOURNE...PALM BAY
739 PM EDT TUE MAY 19 2009

...WIND ADVISORY IN EFFECT UNTIL 10 AM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EDT WEDNESDAY. 

THE STRENGTHENING PRESSURE GRADIENT BETWEEN DEVELOPING LOW
PRESSURE OVER SOUTHERN FLORIDA AND STRONG HIGH PRESSURE OVER THE
SOUTHEAST UNITED STATES WILL PRODUCE VERY STRONG WINDS ALONG THE
VOLUSIA AND BREVARD COUNTY COAST TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

67
2 follow-up statements
000 
WWUS72 KMLB 201221
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
821 AM EDT WED MAY 20 2009

FLZ047-141-147-202000-
/O.EXT.KMLB.WI.Y.0004.000000T0000Z-090520T2000Z/
SOUTHERN BREVARD-COASTAL VOLUSIA-NORTHERN BREVARD-
INCLUDING THE CITIES OF...MELBOURNE...PALM BAY...DAYTONA BEACH...
TITUSVILLE
821 AM EDT WED MAY 20 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THE STRENGTHENING PRESSURE GRADIENT BETWEEN LOW PRESSURE OFF OF
THE SOUTHWEST FLORIDA COAST AND STRONG HIGH PRESSURE OVER THE
SOUTHEAST UNITED STATES WILL PRODUCE VERY STRONG WINDS ALONG THE
VOLUSIA AND BREVARD COUNTY COAST AGAIN TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

SEDLOCK
000 
WWUS72 KMLB 201500
NPWMLB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
1100 AM EDT WED MAY 20 2009

...GUSTY EAST WINDS EXPECTED THIS AFTERNOON...

FLZ047-141-147-202000-
/O.CAN.KMLB.WI.Y.0004.000000T0000Z-090520T2000Z/
/O.NEW.KMLB.LW.Y.0011.090520T1500Z-090520T2000Z/
SOUTHERN BREVARD-COASTAL VOLUSIA-NORTHERN BREVARD-
INCLUDING THE CITIES OF...MELBOURNE...PALM BAY...DAYTONA BEACH...
TITUSVILLE
1100 AM EDT WED MAY 20 2009

...LAKE WIND ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON.

THE STRENGTHENING PRESSURE GRADIENT BETWEEN LOW PRESSURE OFF OF
THE SOUTHWEST FLORIDA COAST AND STRONG HIGH PRESSURE OVER THE
SOUTHEAST UNITED STATES WILL PRODUCE GUSTY EAST WINDS ALONG THE
VOLUSIA AND BREVARD COUNTY COAST AGAIN TODAY. EAST WINDS WILL
INCREASE TO AROUND 20 MPH AND BECOME GUSTY DURING THE AFTERNOON
HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG AND GUSTY WINDS WILL CREATE ROUGH AND HAZARDOUS BOATING
CONDITIONS ON AREA LAKES AND THE INTRACOASTAL WATERS. THIS MAY
RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALL CRAFT.

&&

$$

FLZ041-045-046-202000-
/O.NEW.KMLB.LW.Y.0011.090520T1500Z-090520T2000Z/
INLAND VOLUSIA-ORANGE-SEMINOLE-
INCLUDING THE CITIES OF...DE LAND...ORLANDO...SANFORD
1100 AM EDT WED MAY 20 2009

...LAKE WIND ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. 

THE STRENGTHENING PRESSURE GRADIENT BETWEEN LOW PRESSURE OFF OF
THE SOUTHWEST FLORIDA COAST AND STRONG HIGH PRESSURE OVER THE
SOUTHEAST UNITED STATES WILL PRODUCE GUSTY EAST WINDS ACROSS
INTERIOR PORTIONS OF EAST CENTRAL FLORIDA TODAY. EAST WINDS WILL
INCREASE TO AROUND 20 MPH AND BECOME GUSTY DURING THE AFTERNOON
HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG AND GUSTY WINDS WILL CREATE ROUGH AND HAZARDOUS BOATING
CONDITIONS ON AREA LAKES AND THE INTRACOASTAL WATERS. THIS MAY
RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALL CRAFT.

&&

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 4:28 AM EDTCoastal Flood StatementMLBVolusia33 hr
May 19, 5:24 AM EDTLake Wind AdvisoryMLBLake, Orange, Osceola, Seminole, Volusia14 hr
May 19, 9:05 AM EDTFlood WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia3 days
May 19, 7:34 PM EDTAreal Flood WarningMLBVolusia3 hr

Nearby

Wind Advisories in Florida, 2009Every wind advisory in 2009

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.