Alert archive / Georgia / Special Weather Statements in 2016
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Jul 11, 2016, 7:33 PM EDT for 5 counties in Georgia. It was in force for 27 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
- Jul 11, 2016, 7:33 PM EDT (23:33 UTC)
- Expired
- Jul 11, 2016, 8:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
Counties Barrow County, GA, Gwinnett County, GA, Jackson County, GA, Oconee County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 105 km from the middle of the area, began a volume at 23:35 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, 11.6 hours before the alert went out and 99 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
- 133 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 1028 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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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 Jul 11, 3:31 PM EDT, 4 hours 2 minutes earlier.
Area forecast discussion, Jul 11, 3:31 PM EDT, 4 hours 2 minutes before
Area Forecast Discussion National Weather Service Peachtree City GA 331 PM EDT MON JUL 11 2016 .SHORT TERM /Tonight through Tuesday Night/... Approaching max diurnal heating...instability and convective temp during the next hour. Radars show scattered tstms associated with an upper level disturbance are in AL just west of Franklin and over Lumpkin moving to the ENE at 15 kts. Hi-res models continue to indicate best potential for scattered tstms is during the next few hours over north and central GA. Will maintain 30-40 percent PoPs. The tstms should dissipate during the evening with partly cloudy skies. A bit less moisture on Tue as PW values decrease to around 1.5 inches for all but the extreme northern zones. Although the mid level remains cool...overall CAPE values will be limited and less than today with values closer to 1500 J/KG. This level of moisture and CAPE are still sufficient for storm development but will contribute to the overall reduced coverage of 20 percent PoPs. A blend of MOS guidance was used for temps and PoPs. Temps will be a few degrees above normal. 16 .LONG TERM /Wednesday through Monday/... No major changes made to the extended forecast. Climo pops continue through the extended period as a weakness in the mid- level ridge keeps enhanced moisture over the region. Zonal flow expected by late week, with convection triggering/focusing along residual outflows and where weak impulses impact the area. Have continued with largely good chance pops in the grids through the weekend, with majority of convection being diurnally driven. Temperatures will stay hot through the period, with highs in the mid to upper 90s into the weekend. AVIATION... 18Z UPDATE... VFR conditions will prevail over the TAF sites through the forecast period. Expect scattered thunderstorms to develop during the max diurnal time period late this afternoon and continue for a few hours. Generally a light west wind will prevail. //ATL CONFIDENCE...18Z UPDATE... Medium on TSRA chances. High on remaining elements. 16 && .PRELIMINARY POINT TEMPS/POPS... Athens 72 94 73 95 / 30 20 10 30 Atlanta 74 92 74 92 / 30 20 10 30 Blairsville 66 86 66 88 / 30 30 20 40 Cartersville 71 90 71 93 / 40 30 20 40 Columbus 74 95 75 95 / 30 20 20 30 Gainesville 72 90 73 92 / 30 20 10 40 Macon 73 96 74 96 / 30 10 10 30 Rome 71 91 71 93 / 30 30 20 40 Peachtree City 71 92 71 93 / 30 20 10 30 Vidalia 75 95 75 96 / 10 20 20 30 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...16 LONG TERM....01 AVIATION...16
Hazardous weather outlook, Jul 11, 3:01 PM EDT, 4 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 301 PM EDT MON JUL 11 2016 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-121915- 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- 301 PM EDT MON JUL 11 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED THUNDERSTORMS EXPECTED THROUGH THE EVENING HOURS. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS PORTIONS OF NORTH AND CENTRAL GEORGIA THROUGH THE EVENING HOURS. A FEW STORMS COULD BE STRONG TO SEVERE...PARTICULARLY NORTH OF A LINE FROM LA GRANGE...TO MACON....TO SWAINSBORO. ANY SEVERE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL. LOCALLY HEAVY RAINFALL AND FREQUENT LIGHTNING STRIKES WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... THERE IS A CHANCE OF THUNDERSTORMS EACH DAY ACROSS NORTH AND CENTRAL GEORGIA. A FEW STORMS COULD BECOME STRONG TO ISOLATED SEVERE DURING THE AFTERNOON AND EVENING...WITH THE MAIN THREATS BEING GUSTY WINDS...FREQUENT LIGHTNING...AND HEAVY RAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS OF SEVERE WEATHER THROUGH THE WEB BY GOING TO WEATHER.GOV/ATLANTA.
In the hours before
Local storm report, Jul 11, 6:42 PM EDT, 51 minutes before
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</html>Local storm report, Jul 11, 6:55 PM EDT, 38 minutes before
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</html>Local storm report, Jul 11, 6:57 PM EDT, 36 minutes before
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</html>Local storm report, Jul 11, 7:13 PM EDT, 20 minutes before
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</html>Special weather statement, Jul 11, 7:33 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 |
|---|---|---|---|---|
| Jul 11, 3:24 PM EDT | Special Weather Statement | FFC | Webster | 36 min |
| Jul 11, 3:39 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley, Stewart, Sumter, Webster | 51 min |
| Jul 11, 4:41 PM EDT | Special Weather Statement | FFC | Harris | 34 min |
| Jul 11, 5:08 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Meriwether, Talbot, Troup | 52 min |
| Jul 11, 5:10 PM EDT | Special Weather Statement | FFC | Troup | 35 min |
| Jul 11, 5:31 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette, Meriwether, Troup | 44 min |
| Jul 11, 6:02 PM EDT | Special Weather Statement | FFC | Fulton | 28 min |
| Jul 11, 6:06 PM EDT | Special Weather Statement | FFC | Cobb | 39 min |
| Jul 11, 6:12 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Forsyth, Fulton, Paulding | 48 min |
| Jul 11, 6:13 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Fayette | 32 min |
| Jul 11, 6:16 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 29 min |
| Jul 11, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett, Newton, Rockdale, Walton | 29 min |
| Jul 11, 7:01 PM EDT | Special Weather Statement | FFC | Bartow, Cherokee, Dawson, Floyd, Forsyth, Gordon and 3 more | 44 min |
| Jul 11, 7:01 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, DeKalb, Gwinnett, Newton, Rockdale, Walton | 29 min |
| Jul 11, 7:09 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Pickens | 36 min |
Nearby
Special Weather Statements in Georgia, 2016Every special weather statement in 2016
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.