Alert archive / Georgia / Heat Advisories in 2015

Heat Advisory 14, NWS Atlanta, GA

July 19, 201552 counties in Georgia

NWS Atlanta, GA issued this heat advisory at Jul 19, 2015, 2:03 PM EDT for 52 counties in Georgia. It took effect at Jul 20, 2015, 1:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 19, 2015, 2:03 PM EDT (18:03 UTC)
In effect from: Jul 20, 2015, 1:00 PM EDT
Expired: Jul 20, 2015, 7:00 PM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA

All 52 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Chattahoochee 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, Harris County, GA, Houston County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 25 km from the middle of the area, began a volume at 18:06 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, 6.1 hours before the alert went out and 110 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: 886 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1097 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 4 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 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 Jul 19, 1:03 PM EDT, 1 hour earlier.

Area forecast discussion, Jul 19, 1:03 PM EDT, 1 hour before

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Hazardous weather outlook, Jul 19, 12:00 PM EDT, 2 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1200 PM EDT SUN JUL 19 2015

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-201030-
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-
1200 PM EDT SUN JUL 19 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL
GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

HEAT INDICES IN PORTIONS OF NORTH AND CENTRAL GEORGIA WILL REACH OR
EXCEED 105 THIS AFTERNOON INTO THE EARLY EVENING...MAINLY ALONG AND
SOUTH OF A LINE FROM LAGRANGE TO MILLEDGEVILLE TO WARRENTON. PLEASE
SEE THE HEAT ADVISORY /ATLNPWFFC/ FOR MORE INFORMATION. OTHERWISE...
ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS NORTH AND
CENTRAL GEORGIA THIS AFTERNOON AND EVENING.

WEATHER HAZARDS EXPECTED...
OCCASIONAL LIGHTNING AND BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

STRONG THUNDERSTORMS WILL BE POSSIBLE DURING THE AFTERNOON AND
EVENING HOURS EACH DAY. STRONG GUSTY WINDS...FREQUENT LIGHTNING AND
BRIEF HEAVY RAINFALL WILL BE THE MAIN HAZARDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

In the hours before

Special weather statement, Jul 19, 12:50 PM EDT, 1 hour 13 minutes before

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Special weather statement, Jul 19, 1:32 PM EDT, 31 minutes before

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Special weather statement, Jul 19, 1:53 PM EDT, 10 minutes before

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The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 8:34 PM EDT	Special Weather Statement	FFC	Douglas, Paulding	26 min
Jul 18, 8:47 PM EDT	Special Weather Statement	FFC	Glascock	28 min
Jul 19, 4:03 AM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more	15 hr
Jul 19, 12:50 PM EDT	Special Weather Statement	FFC	Fulton	25 min
Jul 19, 1:32 PM EDT	Special Weather Statement	FFC	Coweta	28 min
Jul 19, 1:53 PM EDT	Special Weather Statement	FFC	Fayette	37 min
Jul 19, 2:06 PM EDT	Special Weather Statement	FFC	Henry	24 min
Jul 19, 2:12 PM EDT	Special Weather Statement	FFC	Haralson	33 min
Jul 19, 2:33 PM EDT	Special Weather Statement	FFC	Carroll	27 min
Jul 19, 2:37 PM EDT	Special Weather Statement	FFC	Henry	23 min
Jul 19, 2:46 PM EDT	Special Weather Statement	FFC	Douglas	29 min
Jul 19, 2:55 PM EDT	Special Weather Statement	FFC	Carroll	35 min
Jul 19, 2:57 PM EDT	Special Weather Statement	FFC	Butts	33 min
Jul 19, 3:04 PM EDT	Special Weather Statement	FFC	Coweta	26 min
Jul 19, 3:07 PM EDT	Special Weather Statement	FFC	Fulton	23 min
Jul 19, 3:31 PM EDT	Special Weather Statement	FFC	Polk	29 min
Jul 19, 4:14 PM EDT	Special Weather Statement	FFC	Gordon	31 min
Jul 19, 4:17 PM EDT	Special Weather Statement	FFC	Emanuel	28 min
Jul 19, 4:25 PM EDT	Special Weather Statement	FFC	Paulding	35 min
Jul 19, 4:36 PM EDT	Special Weather Statement	FFC	Montgomery, Treutlen, Wheeler	24 min
Jul 19, 4:42 PM EDT	Special Weather Statement	FFC	Taylor	33 min
Jul 19, 4:48 PM EDT	Severe Thunderstorm Warning	FFC	Macon, Schley, Taylor	42 min
Jul 19, 4:55 PM EDT	Special Weather Statement	FFC	Bartow	35 min
Jul 19, 4:59 PM EDT	Special Weather Statement	FFC	Greene, Morgan	31 min
Jul 19, 5:05 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs, Treutlen, Wheeler	25 min
Jul 19, 5:12 PM EDT	Special Weather Statement	FFC	Sumter	33 min
Jul 19, 5:28 PM EDT	Special Weather Statement	FFC	Laurens	32 min
Jul 19, 5:32 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs, Wheeler	43 min
Jul 19, 5:36 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens	24 min
Jul 19, 5:45 PM EDT	Special Weather Statement	FFC	Bleckley	45 min
Jul 19, 5:50 PM EDT	Special Weather Statement	FFC	Sumter	25 min
Jul 19, 5:55 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	35 min
Jul 19, 6:01 PM EDT	Special Weather Statement	FFC	Laurens	44 min
Jul 19, 6:16 PM EDT	Special Weather Statement	FFC	Crisp	29 min
Jul 19, 6:23 PM EDT	Special Weather Statement	FFC	Dodge	37 min
Jul 19, 6:34 PM EDT	Special Weather Statement	FFC	Crisp	41 min
Jul 19, 6:46 PM EDT	Special Weather Statement	FFC	Treutlen	29 min
Jul 19, 6:50 PM EDT	Severe Thunderstorm Warning	FFC	Crisp	40 min
Jul 19, 6:55 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Telfair, Wilcox	50 min

Nearby

Heat Advisories in Georgia, 2015 Every heat advisory in 2015

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.