Alert archive / Georgia / Heat Advisories in 2010
Heat Advisory 7, NWS Atlanta, GA
NWS Atlanta, GA issued this heat advisory at Aug 6, 2010, 3:20 PM EDT for 31 counties in Georgia. It took effect at Aug 7, 2010, 12:00 PM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 6, 2010, 3:20 PM EDT (19:20 UTC)
- In effect from
- Aug 7, 2010, 12:00 PM EDT
- Expired
- Aug 7, 2010, 6:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
All 31 counties
Bibb County, GA, Bleckley County, GA, Chattahoochee County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Houston County, GA, Jefferson County, GA, Johnson County, GA, Laurens County, GA, Macon County, GA, Marion County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA
The radar
The Robins AFB radar (KJGX), 36 km from the middle of the area, began a volume at 19:24 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 12:00Z, 7.3 hours before the alert went out and 142 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
- 2227 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Atlanta, GA wrote its last area forecast discussion before this heat advisory went out at Aug 6, 1:46 PM EDT, 1 hour 34 minutes earlier.
Area forecast discussion, Aug 6, 1:46 PM EDT, 1 hour 34 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 204 PM EDT FRI AUG 6 2010 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-071815- BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA- CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA- CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL- FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE- GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON- JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON- MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY- MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH- PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON- SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS- TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN- WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES- WILKINSON- 204 PM EDT FRI AUG 6 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING ACROSS PORTIONS OF NORTH AND CENTRAL GEORGIA...WITH SOME SEVERE STORMS POSSIBLE. .SYNOPSIS... A WEAK FRONTAL BOUNDARY CONTINUES TO SETTLE SOUTHWARD INTO THE STATE TODAY. .PRIMARY HAZARDS... DANGEROUS CLOUD TO GROUND LIGHTNING...STRONG GUSTY WINDS AND VERY HEAVY DOWNPOURS WILL BE THE PRIMARY HAZARDS. .OTHER HAZARDS... DANGEROUS HEAT CONDITIONS ARE AGAIN EXPECTED TODAY WITH INDEX VALUES OF 100 TO 110 SOUTH OF A LINE FROM LAGRANGE TO MILLEDGEVILLE TO LOUISVILLE. .DISCUSSION... AS THE WEAK FRONTAL BOUNDARY SETTLES INTO GEORGIA TODAY...IT WILL PROVIDE A FOCUS FOR THUNDERSTORM DEVELOPMENT. INSTABILITY WILL BE HIGH THIS AFTERNOON...WITH MODELED CAPE VALUES BETWEEN 2500 AND 3500 AND LIFTED INDEX VALUES BETWEEN -2 AND -4. THIS INSTABILITY WILL BE ENOUGH FOR STRONG STORMS TO DEVELOP AND SOME COULD BE SEVERE. THE PRIMARY HAZARD WITH SEVERE STORMS WILL BE DAMAGING WINDS...ALTHOUGH SOME HAIL MAY ALSO BE POSSIBLE. HEAT AND AMPLE MOISTURE WILL FUEL DEVELOPMENT...AND WITH PRECIPITABLE WATER VALUES APPROACHING TWO INCHES...LOCALLY HEAVY RAINFALL CAN BE EXPECTED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ISOLATED THUNDERSTORMS EXPECTED SATURDAY THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED FOR THIS AFTERNOON THROUGH 9 PM ACROSS NORTH AND CENTRAL GEORGIA.
In the hours before
Special weather statement, Aug 6, 1:40 PM EDT, 1 hour 40 minutes before
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</html>Special weather statement, Aug 6, 3:20 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:32 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 28 min |
| Aug 6, 5:49 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Newton, Rockdale | 32 min |
| Aug 6, 6:13 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 32 min |
Nearby
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.