Alert archive / Georgia / Heat Advisories in 2007

Heat Advisory 8, NWS Atlanta, GA

August 16, 200742 counties in Georgia

NWS Atlanta, GA issued this heat advisory at Aug 16, 2007, 6:47 AM EDT for 42 counties in Georgia. It took effect at Aug 16, 2007, 1:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Aug 16, 2007, 6:47 AM EDT (10:47 UTC)
In effect from
Aug 16, 2007, 1:00 PM EDT
Expired
Aug 16, 2007, 7:00 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
All 42 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Clarke County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Macon County, GA, Madison County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Schley County, GA, Sumter County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 18 km from the middle of the area, began a volume at 10:52 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.

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 16, 5:30 AM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Aug 16, 5:30 AM EDT, 1 hour 17 minutes before
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Hazardous weather outlook, Aug 16, 6:35 AM EDT, 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
635 AM EDT THU AUG 16 2007

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-171000-
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-
629 AM EDT THU AUG 16 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT
ISOLATED THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING.
DANGEROUS HEAT INDEX READINGS EXPECTED ACROSS EAST CENTRAL AND
MIDDLE GEORGIA THIS AFTERNOON AND EARLY EVENING.

.SYNOPSIS...
A LARGE SUBTROPICAL UPPER RIDGE OVER THE ARKLATEX REGION WILL
DRIFT EAST THROUGH THE REMAINDER OF THE WEEK AND SHOULD BE LOCATED
OVER ALABAMA AND GEORGIA BY SATURDAY. MEANWHILE...AN UPPER TROUGH
WILL MOVE FROM THE OHIO VALLEY INTO THE NORTHEAST TODAY THROUGH
FRIDAY...WHICH WILL PUSH A WEAK FRONT INTO NORTH GEORGIA FRIDAY
AFTERNOON.

.PRIMARY HAZARDS...
THE PRIMARY HAZARD FROM ANY THUNDERSTORMS THIS AFTERNOON WILL BE
FREQUENT CLOUD-TO-GROUND LIGHTNING. THE MOST LIKELY TIME FOR
THUNDERSTORMS WILL BE FROM 3 PM TO 10 PM EDT. ONE OR TWO
THUNDERSTORMS MAY ALSO PRODUCE WIND GUSTS OF 45 TO 50 MPH.

.DISCUSSION...
A LARGE SUBTROPICAL UPPER RIDGE WILL REMAIN IN CONTROL OF THE
WEATHER ACROSS MUCH OF THE SOUTHERN U.S. THROUGH THE WEEKEND.
THE UPPER RIDGE WILL SHIFT EAST FROM ITS CURRENT LOCATION OVER THE
ARKLATEX INTO THE MID-SOUTH AND SOUTHEAST BY SATURDAY. TROPICAL
STORM ERIN WILL BE STEERED NORTHWEST FROM THE WESTERN GULF INTO
CENTRAL TEXAS THROUGH SATURDAY. A STRONG TROUGH WILL MOVE THROUGH
THE OHIO VALLEY AND INTO THE NORTHEAST OVER THE NEXT COUPLE OF
DAYS. THIS PATTERN WILL ALLOW A SERIES OF WEAK SHORT WAVES TO MOVE
INTO THE SOUTHEAST AROUND THE EASTERN SIDE OF THE UPPER RIDGE. THE
AIR MASS ACROSS NORTH AND CENTRAL GEORGIA WILL BECOME QUITE UNSTABLE
THIS AFTERNOON AS SURFACE DEWPOINTS RISE TO NEAR 70 OR
BETTER AND TEMPERATURES AROUND 15,000 FEET COOL A COUPLE OF
DEGREES. CAPES WILL RISE TO IN EXCESS OF 2000 AND THE LIFTED INDEX
WILL FALL TO AROUND -3. INHIBITING FACTORS WILL BE THE LACK OF
DEEP LAYERED VERTICAL MOISTURE AND LITTLE TO NO SHEAR. THUS...ONLY
ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP. ANY STORMS THAT DO
DEVELOP...HOWEVER...WILL BE EFFICIENT CLOUD-TO-GROUND LIGHTNING
PRODUCERS. ALSO...GIVEN AFTERNOON SURFACE TEMPERATURES NEAR 100 OR
BETTER...A FEW STORMS MAY PRODUCE DOWNBURST WINDS OF 45 TO 50
MPH.

.OTHER HAZARDS...
AFTERNOON TEMPERATURES WILL REACH OR EXCEED 100 DEGREES IN MANY
AREAS OUTSIDE THE MOUNTAINS TODAY. HEAT INDEX READINGS THIS
AFTERNOON ARE EXPECTED TO EXCEED 105 FOR SEVERAL HOURS DURING THE
AFTERNOON AND EARLY EVENING...MAINLY SOUTHEAST OF A LINE FROM ATHENS
TO AMERICUS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY
AFTERNOON AND EVENING...A FEW OF WHICH MAY BECOME STRONG. ISOLATED
THUNDERSTORMS ARE EXPECTED EACH AFTERNOON AND EVENING SATURDAY
THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME...BUT SPOTTERS
ARE ENCOURAGED TO MONITOR CONDITIONS THIS AFTERNOON AND SUBMIT
ANY REPORTS OF SEVERE WEATHER THROUGH THE WEB BY GOING TO
WEATHER.GOV/ATLANTA.

19

Nearby

Heat Advisories in Georgia, 2007Every heat 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; radar from the NEXRAD Level II archive.