Alert archive / Georgia / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 290, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Oct 15, 2009, 7:07 PM EDT for Lee County, Turner County, Worth County, Georgia. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2009, 7:07 PM EDT (23:07 UTC)
- Expired
- Oct 15, 2009, 7:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Lee County, GA, Turner County, GA, Worth County, GA
The radar
The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 23:09 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, 11.1 hours before the alert went out and 148 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
- 1305 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 442 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Oct 15, 3:40 PM EDT, 3 hours 27 minutes earlier.
Area forecast discussion, Oct 15, 3:40 PM EDT, 3 hours 27 minutes before
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</html>Hazardous weather outlook, Oct 15, 5:29 AM EDT, 13 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TALLAHASSEE FL 529 AM EDT THU OCT 15 2009 ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161- GMZ730-750-755-765-770-775-160930- 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- 529 AM EDT THU OCT 15 2009 /429 AM CDT THU OCT 15 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... A WEAK QUASI-STATIONARY FRONT NEAR THE FLORIDA-GEORGIA BORDER COMBINED WITH A PASSING UPPER DISTURBANCE WILL FAVOR SHOWERS ACROSS COASTAL FLORIDA AND THE COASTAL WATERS MAINLY THIS MORNING. THEN...A STRONG COLD FRONT WILL MOVE SOUTHEAST AND APPROACH THE FORECAST AREA BY THIS EVENING AND BEGIN TO MOVE ACROSS OVERNIGHT INTO FRIDAY MORNING. ASSOCIATED SHOWERS AND THUNDERSTORMS WILL SPREAD SOUTHWARD OVER THE AREA...ESPECIALLY AFTER LATE AFTERNOON AND OVER SOUTHEAST ALABAMA AND ADJACENT GEORGIA AND FLORIDA. ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED... SOME OF THE STORMS ACCOMPANYING THIS COLD FRONT MAY BE STRONG WITH GUSTY WINDS TO POSSIBLY SEVERE WITH DAMAGING WINDS THE GREATEST THREAT ...ESPECIALLY TONIGHT. WINDS AND SEAS WILL PICK UP AHEAD OF THE SYSTEM AS WELL AND INCREASE SIGNIFICANTLY IN THE OFFSHORE FLOW BEHIND IT. ADVISORY LEVEL CONDITIONS ARE CERTAINLY POSSIBLE BEGINNING LATE TONIGHT AND CONTINUING INTO THE UPCOMING EARLY WORK WEEK. THERE IS A MODERATE RISK FOR RIP CURRENTS TODAY...ESPECIALLY WEST OF MEXICO BEACH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THE FRONT WILL EXIT SOUTHEAST INTO THE ADJACENT WATERS BY FRIDAY LATE MORNING OR EARLY AFTERNOON. STRONG WEST TO NORTHWEST WINDS AND INCREASING SEAS WILL GENERATE A MODERATE TO HIGH RISK OF RIP CURRENTS ON FRIDAY ALONG WITH HAZARDOUS MARINE CONDITIONS. IN THE WAKE OF THIS FRONT...NOTICEABLY COOLER AND DRIER AIR WILL BE FELT THROUGH THE UPCOMING WEEKEND. HIGH TEMPERATURES FOR FRIDAY THROUGH SUNDAY ARE FORECAST TO RANGE FROM AROUND 70 TO THE MID 70S EACH DAY. LOW TEMPERATURES SHOULD DIP INTO THE UPPER 40S TO MID 50S OVER THE WEEKEND AND MONDAY MORNING. TEMPERATURES WILL THEN BEGIN TO MODERATE TO MORE SEASONAL LEVELS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. HOWEVER SPOTTERS AND EMERGENCY MANAGERS SHOULD MONITOR THE WEATHER ASSOCIATED WITH THIS COLD FRONT AND REPORT ANY CONCERNS TO THE WEATHER SERVICE. 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. BLOCK
In the hours before
Special weather statement, Oct 15, 5:23 PM EDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 523 PM EDT THU OCT 15 2009 GAZ155-156-152215- DECATUR-SEMINOLE- 523 PM EDT THU OCT 15 2009 ...SIGNIFICANT WEATHER ALERT IN EFFECT FOR DECATUR AND SEMINOLE COUNTIES... * UNTIL 615 PM EDT AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTHWEST OF DONALSONVILLE TO WEST BAINBRIDGE...OR ALONG A LINE EXTENDING FROM DONALSONVILLE TO 6 MILES NORTHWEST OF BAINBRIDGE...MOVING EAST AT 15 MPH. THESE STORMS WILL BE NEAR... DONALSONVILLE BY 540 PM EDT. BAINBRIDGE BY 545 PM EDT. WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS. 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. 25-CAMP
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 3:16 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 33 min |
| Oct 15, 7:45 PM EDT | Severe Thunderstorm Warning | TAE | Lee, Turner, Worth | 45 min |
| Oct 15, 7:56 PM EDT | Tornado Warning | TAE | Turner, Worth | 49 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning 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.