Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Atlanta, GA

January 2, 2017Twiggs County, Georgia

NWS Atlanta, GA issued this special weather statement at Jan 2, 2017, 3:31 AM EST for Twiggs 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
Jan 2, 2017, 3:31 AM EST (08:31 UTC)
Expired
Jan 2, 2017, 4:00 AM EST
In force
29 min
Issued by
NWS Atlanta, GA

County Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 24 km from the middle of the area, began a volume at 08:35 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 00:00Z, 8.5 hours before the alert went out and 109 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 00:00Z on 2017-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2017-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
451 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jan 2, 1:49 AM EST, 1 hour 42 minutes earlier.

Area forecast discussion, Jan 2, 1:49 AM EST, 1 hour 42 minutes before
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Hazardous weather outlook, Jan 1, 6:00 PM EST, 9 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
600 PM EST SUN JAN 1 2017

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-021915-
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-
600 PM EST SUN JAN 1 2017

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

.DAY ONE...TONIGHT...

ISOLATED THUNDERSTORMS POSSIBLE TONIGHT ACROSS WESTERN PORTIONS OF
NORTH GEORGIA AND MUCH OF CENTRAL GEORGIA.

MARGINAL INSTABILITY AND A WEAK UPPER-LEVEL SHORT WAVE WILL BRING A
CHANCE FOR ISOLATED THUNDERSTORMS TO PORTIONS OF NORTH AND CENTRAL
GEORGIA...GENERALLY SOUTH AND WEST OF A LINE FROM LAFAYETTE TO
EASTMAN. THE PRIMARY HAZARDS FROM ANY THUNDERSTORMS WILL BE
OCCASIONAL LIGHTNING...GUSTY WINDS AND HEAVY RAIN.

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

THERE IS A CHANCE OF THUNDERSTORMS ACROSS NORTH AND CENTRAL GEORGIA
MONDAY AND MONDAY NIGHT. ISOLATED STORMS COULD BE STRONG TO
SEVERE...MAINLY OVER WEST GEORGIA.

THERE IS ALSO A SLIGHT CHANCE OF MIXED RAIN AND SNOW ACROSS NORTH
GEORGIA THURSDAY INTO SATURDAY. NO ACCUMULATIONS ARE EXPECTED AT
THIS TIME AS THE CHANCES REMAIN LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

In the hours before

Special weather statement, Jan 1, 11:28 PM EST, 4 hours 3 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1128 PM EST SUN JAN 1 2017

GAZ092-093-104-105-020500-
Sumter GA-Macon GA-Schley GA-Dooly GA-
1128 PM EST SUN JAN 1 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SUMTER...MACON...
SOUTHEASTERN SCHLEY AND NORTHWESTERN DOOLY COUNTIES UNTIL midnight
EST...

At 1128 PM EST...a strong thunderstorm was over Andersonville, or 8
miles southwest of Oglethorpe...moving northeast at 30 mph.

  HAZARD...40 to 50 mph wind and heavy rain.

  IMPACT...People outdoors should seek shelter immediately. Expect
           minor damage to tree limbs and blowing around of
           light...unsecured objects. Motorists should slow down and
           be prepared for possible loss of control due to
           hydroplaning. Also...the heavy rain may cause temporary
           street flooding or road ponding in slow drainage areas.
           When water covers the road...remember to Turn Around
           Don't Drown.

Some locations in the path of this storm include
Oglethorpe, Unadilla, Montezuma, Marshallville, Byromville,
Andersonville, Dooling, Fountainville, New Era, Clearview, La Crosse,
Andersonville National Historic, Methvins, Bumphead, Winchester,
Flint River Wma, Whitewater State Park and Pennington.

LAT...LON 3206 8415 3221 8427 3247 8392 3238 8385
      3238 8386 3236 8386 3236 8385 3229 8385
      3229 8377 3225 8374
TIME...MOT...LOC 0428Z 235DEG 27KT 3219 8414
Special weather statement, Jan 1, 11:37 PM EST, 3 hours 54 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1137 PM EST SUN JAN 1 2017

GAZ072-082>084-020500-
Twiggs GA-Wilkinson GA-Jones GA-Bibb GA-
1137 PM EST SUN JAN 1 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN TWIGGS...WESTERN
WILKINSON...SOUTHEASTERN JONES AND EASTERN BIBB COUNTIES UNTIL
midnight EST...

At 1137 PM EST...a strong thunderstorm was over Rutland, or near
Macon...moving northeast at 45 mph.

  HAZARD...40 to 50 mph wind and heavy rain.

  IMPACT...People outdoors should seek shelter immediately. Expect
           minor damage to tree limbs and blowing around of
           light...unsecured objects. Motorists should slow down and
           be prepared for possible loss of control due to
           hydroplaning. Also...the heavy rain may cause temporary
           street flooding or road ponding in slow drainage areas.
           When water covers the road...remember to Turn Around
           Don't Drown.

Some locations in the path of this storm include
Macon, Gordon, Ivey, James, Dry Branch, Skipperton, Rutland,
Franklinton, Huber, Griswoldville, Mountain Springs, Myricks Mill,
Postell, Fitzpatrick, Greenberry Crossroads, Cross Keys, Middle
Georgia Regional Airport and Elberta.

LAT...LON 3266 8362 3267 8363 3268 8365 3276 8375
      3302 8349 3294 8337 3293 8336 3293 8335
      3286 8325 3266 8356
TIME...MOT...LOC 0437Z 226DEG 40KT 3275 8362
Special weather statement, Jan 2, 12:11 AM EST, 3 hours 20 minutes before
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Special weather statement, Jan 2, 1:07 AM EST, 2 hours 24 minutes before
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Special weather statement, Jan 2, 3:00 AM EST, 31 minutes before
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Special weather statement, Jan 2, 3:31 AM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 10:21 PM ESTSpecial Weather StatementFFCMacon, Schley, Sumter39 min
Jan 1, 10:44 PM ESTSpecial Weather StatementFFCSumter46 min
Jan 1, 11:28 PM ESTSpecial Weather StatementFFCMacon32 min
Jan 1, 11:37 PM ESTSpecial Weather StatementFFCBibb23 min
Jan 2, 12:11 AM ESTSpecial Weather StatementFFCHouston, Peach34 min
Jan 2, 1:07 AM ESTSpecial Weather StatementFFCChattahoochee, Stewart23 min
Jan 2, 3:00 AM ESTSpecial Weather StatementFFCTwiggs30 min
Jan 2, 4:40 AM ESTFlood WatchFFCBaldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more26 hr
Jan 2, 1:39 PM ESTSpecial Weather StatementFFCLaurens51 min
Jan 2, 1:51 PM ESTTornado WarningFFCLaurens39 min
Jan 2, 2:29 PM ESTTornado WarningFFCLaurens29 min
Jan 2, 2:52 PM ESTSevere Thunderstorm WarningFFCJohnson23 min
Jan 2, 3:17 PM ESTSpecial Weather StatementFFCEmanuel28 min
Jan 2, 3:45 PM ESTSpecial Weather StatementFFCEmanuel30 min
Jan 2, 5:31 PM ESTSpecial Weather StatementFFCStewart, Webster29 min
Jan 2, 5:37 PM ESTTornado Warning Tornado observedFFCStewart, Webster38 min
Jan 2, 6:06 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee39 min
Jan 2, 6:14 PM ESTSevere Thunderstorm WarningFFCMarion, Schley, Sumter, Webster31 min
Jan 2, 6:44 PM ESTSpecial Weather StatementFFCSchley31 min

Nearby

Special Weather Statements in Georgia, 2017Every special weather statement in 2017

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.