Alert archive / Georgia / Lake Wind Advisories in 2009

Lake Wind Advisory 2, NWS Tallahassee, FL

January 7, 200916 counties in Florida; 26 counties in Georgia; 5 counties in Alabama

NWS Tallahassee, FL issued this lake wind advisory at Jan 7, 2009, 12:36 PM CST for 16 counties in Florida; 26 counties in Georgia; 5 counties in Alabama. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2009, 12:36 PM CST (18:36 UTC)
Expired
Jan 7, 2009, 5:00 PM CST
In force
4 hr
Issued by
NWS Tallahassee, FL
All 47 counties

Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 66 km from the middle of the area, began a volume at 18:36 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.6 hours before the alert went out and 66 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, Tallahassee Rgnl, FL at 12:00Z on 2009-01-07Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2009-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -364 square meters per square second.1939587897117136Sfc1 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
986 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
-364 m²/s²
0-3 km storm-relative helicity
-256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Tallahassee, FL wrote its last area forecast discussion before this lake wind advisory went out at Jan 7, 7:40 AM CST, 4 hours 56 minutes earlier.

Area forecast discussion, Jan 7, 7:40 AM CST, 4 hours 56 minutes before
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Hazardous weather outlook, Jan 7, 5:16 AM CST, 7 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
616 AM EST WED JAN 7 2009

ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161-
GMZ730-750-755-765-770-775-081100-
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-COASTAL WALTON-
HOLMES-WASHINGTON-JACKSON-BAY-CALHOUN-GULF-FRANKLIN-GADSDEN-LEON-
JEFFERSON-MADISON-LIBERTY-WAKULLA-TAYLOR-LAFAYETTE-DIXIE-QUITMAN-
CLAY-RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-
IRWIN-EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-
DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM-
COASTAL WATERS FROM  OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO KEATON BEACH OUT 20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL FROM 20 TO 60 NM-
616 AM EST WED JAN 7 2009 /516 AM CST WED JAN 7 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA...
SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND
AND PANHANDLE...AND ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...
WINDY CONDITIONS WILL DEVELOP BEHIND A COLD FRONT THAT PASSED
THROUGH THE REGION EARLY THIS MORNING. WINDS WILL INCREASE TO 20
TO 25 MPH WITH GUSTS UP TO 35 MPH POSSIBLE AT TIMES...ESPECIALLY
IN THE AFTERNOON. THESE WINDS WILL MAKE FOR DIFFICULT CONDITIONS
ON AREA LAKES.

THESE SAME STRONG WESTERLY WINDS WILL CREATE LARGE AND DANGEROUS
SURF ALONG THE FLORIDA PANHANDLE BEACHES...ESPECIALLY BETWEEN
PANAMA CITY BEACH AND CAPE SAN BLAS. SURF HEIGHTS WILL BUILD TO 9
FEET BY AFTERNOON. THIS WILL LIKELY CREATE MINOR TO MODERATE BEACH
EROSION IN THE VULNERABLE LOCATIONS ALONG THE FLORIDA PANHANDLE
COAST.

THE COMBINATION OF THE LARGE SURF AND STRONG WESTERLY WINDS WILL
CREATE ESPECIALLY DANGEROUS RIP CURRENTS ALONG THE FLORIDA
PANHANDLE AND BIG BEND BEACHES. AS A RESULT...A HIGH RISK OF RIP
CURRENTS IS INDICATED FOR TODAY. THUS...NO ONE SHOULD ENTER THE
WATER...EVEN EXPERIENCED SWIMMERS AND SURFERS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...
A DRY AIRMASS WILL BUILD OVER THE REGION INTO THE EARLY PORTION OF
THE WEEKEND BEFORE ANOTHER STORM SYSTEM APPROACHES FROM THE
NORTHWEST ON SATURDAY NIGHT. THERE IS SOME INDICATION THAT A MUCH
COOLER AND DRIER AIRMASS WILL SURGE IN BEHIND THIS SYSTEM ON
SUNDAY AFTERNOON AND MONDAY WITH TEMPERATURES MONDAY MORNING
APPROACHING THE FREEZING MARK WELL INLAND.

.SPOTTER INFORMATION STATEMENT...
WITH STRONG STORMS EXITING THE REGION TO THE EAST EARLY THIS
MORNING...SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA
OF INTEREST ON THE NATIONAL MAP.

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 3:15 AM CSTLake Wind AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more4 hr
Jan 7, 4:05 AM CSTFire Weather WatchTAECalhoun, Dixie, Gadsden, Holmes, Jackson, Jefferson and 6 more24 hr
Jan 7, 7:15 AM CSTWind AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more5 hr
Jan 7, 8:00 AM CSTRed Flag WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more9 hr
Jan 7, 3:12 AM CSTSevere Thunderstorm WarningTAEBaker, Dougherty, Mitchell, Worth33 min
Jan 7, 3:39 AM CSTSevere Thunderstorm WarningTAEColquitt, Mitchell51 min
Jan 7, 3:49 AM CSTSevere Thunderstorm WarningTAEIrwin, Tift, Worth41 min
Jan 7, 4:02 AM CSTSevere Thunderstorm WarningTAEBerrien, Colquitt, Cook, Irwin, Tift, Turner and 1 more43 min
Jan 6, 11:29 PM CSTSevere Thunderstorm WarningTAECoffee, Dale35 min

Nearby

Lake Wind Advisories in Georgia, 2009Lake Wind Advisories in Florida, 2009Lake Wind Advisories in Alabama, 2009Every lake 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.