Alert archive / Georgia / Lake Wind Advisories in 2007
Lake Wind Advisory 7, NWS Tallahassee, FL
NWS Tallahassee, FL issued this lake wind advisory at Dec 15, 2007, 10:57 PM CST for 16 counties in Florida; 26 counties in Georgia; 5 counties in Alabama. It took effect at Dec 16, 2007, 6:00 AM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2007, 10:57 PM CST (04:57 UTC)
- In effect from
- Dec 16, 2007, 6:00 AM CST
- Expired
- Dec 16, 2007, 4:00 PM CST
- In force
- 10 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 04:57 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 00:00Z, 5.0 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.
- Mixed-layer CAPE
- 641 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 306 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 5.7
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 Dec 15, 10:10 PM CST, 47 minutes earlier.
Area forecast discussion, Dec 15, 10:10 PM CST, 47 minutes before
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</html>Hazardous weather outlook, Dec 15, 12:40 PM CST, 10 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TALLAHASSEE FL 140 PM EST SAT DEC 15 2007 ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161- GMZ730-750-755-765-770-775-161030- 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- 140 PM EST SAT DEC 15 2007 /1240 PM CST SAT DEC 15 2007/ ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE REGION... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH CENTRAL GEORGIA...THE FLORIDA BIG BEND AND PANHANDLE...AND THE ADJACENT GULF COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... A WARM FRONT WILL MOVE THROUGH THE REGION FROM SOUTH TO NORTH EARLY THIS AFTERNOON USHERING IN A MORE MOIST AND UNSTABLE AIRMASS WHILE A STRONG COLD FRONT APPROACHES FROM THE WEST. THE COMBINATION OF THIS MOIST UNSTABLE AIRMASS AND THE STRONG COLD FRONT WILL LEAD TO THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THESE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS AND EVEN AN ISOLATED TORNADO OR TWO...ESPECIALLY IN ANY STORMS THAT DEVELOP AHEAD OF THE MAIN SQUALL LINE. SOME STORMS MAY ALSO PRODUCE LOCALLY HEAVY RAINFALL. WINDS WILL INCREASE AND SEAS WILL GRADUALLY BUILD OVER THE COASTAL WATERS THIS AFTERNOON AHEAD OF THE COLD FRONT. WINDS WILL SHIFT TO OFFSHORE BEHIND THE COLD FRONT AND INCREASE SIGNIFICANTLY LATE TONIGHT. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED FOR THE ENTIRE MARINE AREA BY TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... THE FRONT WILL MOVE EAST OF THE REGION BY SUNDAY MORNING. GUSTY NORTHWEST WINDS WILL PERSIST THROUGH THE AFTERNOON AS A STRONG HIGH PRESSURE SYSTEM BUILDS IN BEHIND BRINGING A MUCH COOLER AND DRIER AIRMASS. FREEZING TEMPERATURES ARE EXPECTED ON MONDAY MORNING WITH THE POTENTIAL FOR A HARD FREEZE ON TUESDAY MORNING WITH TEMPERATURES BOTTOMING OUT IN THE MID 20S. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND TONIGHT. SPOTTERS SHOULD CONSIDER THEMSELVES ACTIVATED AT THE FIRST ISSUANCE OF A WATCH OR WARNING. EMERGENCY MANAGERS AND SPOTTERS SHOULD CLOSELY MONITOR THIS DEVELOPING WEATHER SITUATION AND FORWARD ANY SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE OFFICE IN TALLAHASSEE. 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. GODSEY
In the hours before
Special weather statement, Dec 15, 8:16 PM CST, 2 hours 41 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 1151 PM EST SAT DEC 15 2007 FLZ029-034-160545- DIXIE-LAFAYETTE- 1151 PM EST SAT DEC 15 2007 ...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR DIXIE AND LAFAYETTE COUNTIES IN THE FLORIDA BIG BEND... * UNTIL 1245 AM EST AT 1142 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS 16 MILES SOUTHWEST OF MAYO...MOVING EAST AT 25 TO 35 MPH. WINDS AROUND 40 MPH ARE POSSIBLE WITH THESE STORMS. THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY CAUSE LOCALIZED FLOODING OF STREETS AND LOW LYING AREAS...AND IS ALSO PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING. RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE IN TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. 85-GIBBS
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 6:20 PM CST | Special Marine Warning | TAE | 115 min | |
| Dec 15, 8:05 PM CST | Special Marine Warning | TAE | 115 min | |
| Dec 15, 8:56 PM CST | Special Marine Warning | TAE | 2 hr | |
| Dec 15, 8:58 PM CST | Severe Thunderstorm Warning | TAE | Franklin, Wakulla | 47 min |
| Dec 15, 9:26 PM CST | Special Marine Warning | TAE | 64 min | |
| Dec 15, 9:41 PM CST | Coastal Flood Statement | TAE | Dixie, Taylor | 7 hr |
| Dec 15, 9:42 PM CST | Flash Flood Watch | TAE | Dixie, Jefferson, Lafayette, Madison, Taylor | 7 hr |
| Dec 15, 9:44 PM CST | Special Marine Warning | TAE | 2 hr | |
| Dec 15, 10:09 PM CST | Severe Thunderstorm Warning | TAE | Taylor | 51 min |
| Dec 16, 4:12 AM CST | Red Flag Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 38 hr |
| Dec 16, 2:44 PM CST | Freeze Watch | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 23 hr |
| Dec 16, 2:44 PM CST | Freeze Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 17 hr |
| Dec 15, 6:31 PM CST | Severe Thunderstorm Warning | TAE | Early, Miller | 29 min |
| Dec 15, 6:58 PM CST | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Dougherty, Early | 32 min |
| Dec 15, 8:01 PM CST | Severe Thunderstorm Warning | TAE | Turner, Worth | 29 min |
| Dec 15, 8:06 PM CST | Tornado Warning | TAE | Turner, Worth | 23 min |
Nearby
Lake Wind Advisories in Georgia, 2007Lake Wind Advisories in Florida, 2007Lake Wind Advisories in Alabama, 2007Every 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.