Alert archive / Georgia / Lake Wind Advisories in 2007

Lake Wind Advisory 2, NWS Tallahassee, FL

February 18, 200716 counties in Florida; 26 counties in Georgia; 5 counties in Alabama

NWS Tallahassee, FL issued this lake wind advisory at Feb 18, 2007, 2:35 AM CST for 16 counties in Florida; 26 counties in Georgia; 5 counties in Alabama. It took effect at Feb 18, 2007, 8:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2007, 2:35 AM CST (08:35 UTC)
In effect from: Feb 18, 2007, 8:00 AM CST
Expired: Feb 18, 2007, 2:00 PM CST
In force: 6 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 08:34 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.6 hours before the alert went out and 265 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 6 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1574 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 156 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 Tallahassee, FL wrote its last area forecast discussion before this lake wind advisory went out at Feb 18, 1:37 AM CST, 58 minutes earlier.

Area forecast discussion, Feb 18, 1:37 AM CST, 58 minutes before

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Hazardous weather outlook, Feb 17, 4:15 AM CST, 22 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
515 AM EST SAT FEB 17 2007

ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161-
GMZ750-755-770-775-181015-
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-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT TO 20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL EXTENDING FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL EXTENDING FROM
20 TO 60 NM-
515 AM EST SAT FEB 17 2007 /415 AM CST SAT FEB 17 2007/

THIS OUTLOOK IS FOR SOUTHEAST ALABAMA...NORTHWEST FLORIDA...SOUTH
CENTRAL GEORGIA...SOUTHWEST GEORGIA...AND GULF COASTAL WATERS.

...HARD FREEZE WATCH REMAINS IN EFFECT UNTIL 800 AM EST (700 AM CST)
THIS MORNING FOR ALL AREAS EXCEPT THE IMMEDIATE GULF COAST...

.DAY ONE...TODAY AND TONIGHT...
LOW RELATIVE HUMIDITIES...SUSTAINED WINDS OF 15 TO 20 MPH AND HIGH
DISPERSIONS WILL ENHANCE THE SPREAD OF ANY WILDFIRES THAT DEVELOP
TODAY. ALSO...WINDS AND SEAS WILL BUILD THIS AFTERNOON AND
TONIGHT...WITH SMALL CRAFT ADVISORIES POSTED FOR THE COASTAL WATERS.
THERE IS A HIGH RISK OF RIP CURRENTS TODAY ALONG THE FLORIDA BIG
BEND AND PANHANDLE BEACHES. A COLD FRONT WILL MOVE THROUGH THE
REGION TONIGHT...WITH A SLIGHT CHANCE OF RAIN FOR THE EASTERN BIG
BEND AND A SMALL PORTION OF SOUTH CENTRAL GEORGIA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
IT WILL BE BRISK ON SUNDAY IN THE WAKE OF THE FRONTAL PASSAGE.
SUSTAINED WINDS OF 15 TO 20 MPH AND VERY LOW RELATIVE HUMIDITIES
WILL ENHANCE THE FIRE GROWTH POTENTIAL. OVER THE COASTAL
WATERS...WINDS AND SEAS WILL REMAIN ELEVATED SUNDAY BEFORE
DIMINISHING SUNDAY NIGHT AS HIGH PRESSURE BUILDS INTO THE REGION
FROM THE WEST. A WIDESPREAD FREEZE IS EXPECTED SUNDAY NIGHT AND
MONDAY MORNING. RED FLAG CONDITIONS WILL BE POSSIBLE FOR MUCH OF THE
FLORIDA PANHANDLE...BIG BEND AND SOUTHWEST AND SOUTH CENTRAL GEORGIA
AGAIN ON MONDAY. MOISTURE INCREASES BEGINNING MONDAY NIGHT AS WINDS
BECOME ONSHORE. THE NEXT WEATHER SYSTEM TO AFFECT THE REGION WILL BE
A COLD FRONT...WHICH WILL BRING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS FROM TUESDAY NIGHT THROUGH WEDNESDAY. AT THIS
TIME...THE THREAT FOR SEVERE THUNDERSTORMS REMAINS LOW. HIGH
PRESSURE OF PACIFIC ORIGIN WILL BUILD INTO THE REGION FOR THE END OF
THE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN TALLAHASSEE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/TAE.

JAMSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 18, 2:35 AM CST	Freeze Watch	TAE	Calhoun, Dixie, Gadsden, Holmes, Jackson, Jefferson and 7 more	11 hr
Feb 18, 2:00 PM CST	Freeze Warning	TAE	Calhoun, Dixie, Gadsden, Holmes, Jackson, Jefferson and 7 more	17 hr
Feb 18, 2:17 PM CST	Red Flag Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	28 hr

Nearby

Lake Wind Advisories in Georgia, 2007 Lake Wind Advisories in Florida, 2007 Lake Wind Advisories in Alabama, 2007 Every lake wind advisory in 2007

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.