Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

September 5, 2015Oconee County, Oglethorpe County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 5, 2015, 6:52 PM EDT for Oconee County, Oglethorpe County, Georgia. It was in force for 38 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
Sep 5, 2015, 6:52 PM EDT (22:52 UTC)
Expired
Sep 5, 2015, 7:30 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA

Counties Oconee County, GA, Oglethorpe County, GA

The radar

The Robins AFB radar (KJGX), 133 km from the middle of the area, began a volume at 22:54 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, 10.9 hours before the alert went out and 130 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2015-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 459 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2015-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
459 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Sep 5, 3:53 PM EDT, 2 hours 59 minutes earlier.

Area forecast discussion, Sep 5, 3:53 PM EDT, 2 hours 59 minutes before
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Hazardous weather outlook, Sep 5, 11:55 AM EDT, 6 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1155 AM EDT SAT SEP 5 2015

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-061200-
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-
1155 AM EDT SAT SEP 5 2015

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

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

SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF NORTH AND CENTRAL
GEORGIA THIS AFTERNOON AND EARLY EVENING.

WEATHER HAZARDS EXPECTED...
ALTHOUGH SEVERE WEATHER IS NOT ANTICIPATED...A FEW STRONG STORMS ARE
POSSIBLE WITH BRIEF GUSTY WINDS...OCCASIONAL CLOUD TO GROUND LIGHTNING
AND LOCALLY HEAVY RAIN DUE TO SLOW MOVING STORMS. MOTORISTS SHOULD SLOW
DOWN AND BE PREPARED FOR POSSIBLE LOSS OF CONTROL DUE TO HYDROPLANING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH DAY.
SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME...BUT THUNDERSTORMS
WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL AND
FREQUENT LIGHTNING STRIKES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

16

In the hours before

Special weather statement, Sep 5, 2:50 PM EDT, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
250 PM EDT SAT SEP 5 2015

GAZ074-076-085-086-051930-
JOHNSON GA-WASHINGTON GA-EMANUEL GA-JEFFERSON GA-
250 PM EDT SAT SEP 5 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JOHNSON...EASTERN
WASHINGTON...NORTHERN EMANUEL AND JEFFERSON COUNTIES UNTIL 330 PM
EDT...

AT 249 PM EDT...A STRONG THUNDERSTORM WAS 7 MILES NORTHEAST OF
LOUISVILLE...MOVING SOUTH AT 25 MPH.

  HAZARD...WINDS UP TO 40 MPH AND FREQUENT LIGHTNING.

  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.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
LOUISVILLE...WRENS...WADLEY...DAVISBORO...STAPLETON...BARTOW...
RIDDLEVILLE...STELLAVILLE...MODOC...COLEMANS LAKE...BLUNDALE...
STAPLETONS CROSSROADS AND MOXLEY.

LAT...LON 3307 8229 3293 8227 3284 8232 3282 8227
      3263 8231 3291 8266 3325 8245 3319 8225
TIME...MOT...LOC 1849Z 015DEG 20KT 3308 8233
Special weather statement, Sep 5, 5:09 PM EDT, 1 hour 43 minutes before
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Special weather statement, Sep 5, 5:53 PM EDT, 59 minutes before
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Special weather statement, Sep 5, 6:11 PM EDT, 41 minutes before
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Special weather statement, Sep 5, 6:20 PM EDT, 32 minutes before
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Special weather statement, Sep 5, 6:52 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 12:19 AM EDTSpecial Weather StatementFFCOglethorpe41 min
Sep 5, 1:02 AM EDTSpecial Weather StatementFFCGreene, Taliaferro28 min
Sep 5, 2:50 PM EDTSpecial Weather StatementFFCJefferson40 min
Sep 5, 5:09 PM EDTSpecial Weather StatementFFCFannin, Gilmer51 min
Sep 5, 5:53 PM EDTSpecial Weather StatementFFCGreene, Morgan52 min
Sep 5, 6:11 PM EDTSpecial Weather StatementFFCGilmer49 min
Sep 5, 6:20 PM EDTSpecial Weather StatementFFCOglethorpe, Wilkes25 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.