Alert archive / Georgia / Special Weather Statements in 2015
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 13, 2015, 3:01 PM EDT for Clayton County, Georgia. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 13, 2015, 3:01 PM EDT (19:01 UTC)
- Expired
- Aug 13, 2015, 3:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Atlanta, GA
County Clayton County, GA
The radar
The Atlanta radar (KFFC), 20 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 21 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
- 356 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 13, 1:38 PM EDT, 1 hour 23 minutes earlier.
Area forecast discussion, Aug 13, 1:38 PM EDT, 1 hour 23 minutes before
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</html>Hazardous weather outlook, Aug 13, 11:47 AM EDT, 3 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1147 AM EDT THU AUG 13 2015 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-141600- 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- 1147 AM EDT THU AUG 13 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... ...ISOLATED THUNDERSTORMS POSSIBLE ACROSS THE NORTHEAST HIGHER ELEVATIONS AND CENTRAL GEORGIA THROUGH THE EARLY EVENING... WEATHER HAZARDS EXPECTED... OCCASIONAL LIGHTNING WILL BE THE MAIN THREAT. DISCUSSION... SHALLOW ATLANTIC MOISTURE COMBINED WITH DAYTIME HEATING AND TERRAIN EFFECTS WILL ALLOW FOR SOME ISOLATED THUNDERSTORM POTENTIAL TODAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... SLIGHT TO LOW END CHANCES OF THUNDERSTORMS ARE POSSIBLE WITH DAYTIME HEATING FOR PORTIONS OF THE AREA THROUGH THE WEEKEND. CHANCES LOOK TO INCREASE SOMEWHAT GOING INTO THE WORK WEEK AS SOME WEAK UPPER DISTURBANCES COULD AID IN COVERAGE OF DEVELOPMENT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
In the hours before
Special weather statement, Aug 13, 3:01 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
301 PM EDT THU AUG 13 2015
GAZ044-053-054-131930-
SOUTH FULTON GA-COWETA GA-FAYETTE GA-
301 PM EDT THU AUG 13 2015
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN SOUTH FULTON...
NORTHERN COWETA AND NORTHWESTERN FAYETTE COUNTIES UNTIL 330 PM EDT...
AT 301 PM EDT...A STRONG THUNDERSTORM WAS OVER FAIRBURN...OR 12 MILES
NORTHWEST OF FAYETTEVILLE. THIS STORM WAS NEARLY STATIONARY.
HAZARD...WINDS UP TO 40 MPH...FREQUENT LIGHTNING AND HEAVY RAIN.
IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
LIGHT...UNSECURED OBJECTS. ELECTRICAL APPLIANCES SHOULD
NOT BE USED UNLESS IN AN EMERGENCY. LOCALIZED FLOODING IN
LOW LYING AND POOR DRAINAGE AREAS IS ALSO LIKELY.
MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE
LOSS OF CONTROL DUE TO HYDROPLANING. WHEN WATER COVERS
THE ROAD...REMEMBER TO TURN AROUND DON'T DROWN.
SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
UNION CITY...FAIRBURN...TYRONE...PALMETTO AND SANDY CREEK.
LAT...LON 3345 8463 3358 8475 3365 8459 3355 8449
TIME...MOT...LOC 1901Z 202DEG 2KT 3356 8461The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:42 PM EDT | Special Weather Statement | FFC | Douglas | 33 min |
| Aug 13, 3:43 PM EDT | Special Weather Statement | FFC | Henry | 32 min |
| Aug 13, 4:14 PM EDT | Special Weather Statement | FFC | Henry | 31 min |
| Aug 13, 4:42 PM EDT | Special Weather Statement | FFC | Butts | 48 min |
| Aug 13, 4:45 PM EDT | Special Weather Statement | FFC | Paulding | 45 min |
| Aug 13, 4:48 PM EDT | Special Weather Statement | FFC | DeKalb | 42 min |
| Aug 13, 5:27 PM EDT | Special Weather Statement | FFC | Carroll | 33 min |
| Aug 13, 5:29 PM EDT | Special Weather Statement | FFC | Gwinnett | 31 min |
| Aug 13, 5:36 PM EDT | Special Weather Statement | FFC | Newton | 24 min |
| Aug 13, 5:38 PM EDT | Special Weather Statement | FFC | Taylor | 37 min |
| Aug 13, 5:49 PM EDT | Severe Thunderstorm Warning | FFC | Taylor | 26 min |
| Aug 13, 6:13 PM EDT | Special Weather Statement | FFC | Taylor | 32 min |
| Aug 13, 6:15 PM EDT | Special Weather Statement | FFC | Heard | 30 min |
| Aug 13, 6:46 PM EDT | Special Weather Statement | FFC | Heard | 44 min |
| Aug 13, 7:49 PM EDT | Special Weather Statement | FFC | Marion | 26 min |
Nearby
Special Weather Statements in Georgia, 2015Every special weather statement 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.