Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

July 13, 2013Clarke County, Madison County, Oglethorpe County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 13, 2013, 2:29 PM EDT for Clarke County, Madison County, Oglethorpe County, Georgia. It was in force for 61 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 13, 2013, 2:29 PM EDT (18:29 UTC)
Expired: Jul 13, 2013, 3:30 PM EDT
In force: 61 min
Issued by: NWS Atlanta, GA

Counties Clarke County, GA, Madison County, GA, Oglethorpe County, GA

The radar

The Greer radar (KGSP), 120 km from the middle of the area, began a volume at 18:33 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, 6.5 hours before the alert went out and 157 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: 576 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 13 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 Jul 13, 1:57 PM EDT, 32 minutes earlier.

Area forecast discussion, Jul 13, 1:57 PM EDT, 32 minutes before

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Hazardous weather outlook, Jul 13, 12:05 PM EDT, 2 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1205 PM EDT SAT JUL 13 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-141615-
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-
1205 PM EDT SAT JUL 13 2013

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

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

WEATHER HAZARDS EXPECTED...

...FLASH FLOOD WATCH IN EFFECT UNTIL EARLY SUNDAY MORNING FOR EASTERN GEORGIA...

PERIODS OF MODERATE TO LOCALLY HEAVY RAINFALL ARE STILL POSSIBLE
THROUGH TONIGHT...MAINLY ACROSS EASTERN GEORGIA. SOILS REMAIN SATURATED
AND FLOODING IS POSSIBLE.

THE STRONGER THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE FREQUENT
LIGHTNING...GUSTY WINDS...AND SMALL HAIL. WITH SATURATED
SOILS...IT WILL NOT TAKE MUCH WIND TO BLOW DOWN TREES. SOME
ISOLATED STORMS MAY BECOME SEVERE...PRODUCING WINDS IN EXCESS OF
60 MPH AND QUARTER SIZE HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
SHOWERS AND THUNDERSTORMS WILL BECOME MORE SCATTERED AND DIURNAL
INTO NEXT WEEK. THERE WILL STILL BE PERIODS OF MODERATE TO
HEAVY RAINFALL IN THE STRONGER THUNDERSTORMS SO LOCALIZED FLOODING
WILL REMAIN A POSSIBILITY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO REPORT ANY HEAVY RAINFALL...FLOODING
OR SEVERE WEATHER.

In the hours before

Special weather statement, Jul 13, 1:06 PM EDT, 1 hour 23 minutes before

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Local storm report, Jul 13, 1:11 PM EDT, 1 hour 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
111 PM EDT SAT JUL 13 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1031 AM     FLOOD            AVERA                   33.19N 82.53W
07/13/2013                   JEFFERSON          GA   EMERGENCY MNGR

            JEFFERSON COUNTY EMERGENCY MANAGER REPORTED WASHED OUT
            ROADS NEAR AVERA. ALMOST TWO INCHES OF RAIN FELL IN A
            THREE HOUR PERIOD. WITH ALREADY WET SOIL...THIS RAINFALL
            QUICKLY OVERWHELMED DRAINAGE SYSTEMS LEADING TO WASHED
            OUT ROADS.

1045 AM     FLOOD            WARRENTON               33.41N 82.66W
07/13/2013                   WARREN             GA   EMERGENCY MNGR

            WARREN COUNTY EMERGENCY MANAGEMENT OFFICIALS REPORTED
            THAT A FEW ROADS WERE WASHED OUT ACROSS THE COUNTY.
            RECENT RAINFALL HAS OVERWHELMED THE DRAINAGE SYSTEMS
            LEADING TO WASHED OUT ROADS.

1215 PM     FLOOD            WRIGHTSVILLE            32.73N 82.72W
07/13/2013                   JOHNSON            GA   EMERGENCY MNGR

            JOHNSON COUNTY EM RELAYED A REPORT OF NUMEROUS WASHED OUT
            ROADS THROUGOUT THE COUNTY. RECENT RAINFALL HAD
            OVERWHELMED THE DRAINAGE SYSTEMS LEADING TO WASHED OUT
            ROADS. IN SOME AREAS THERE IS SO MUCH WATER THAT CREWS
            CANNOT GET OUT TO FIX THE BOX CULVERTS AND WASHED OUT
            ROADS.

&&

AGIBBS

Special weather statement, Jul 13, 2:07 PM EDT, 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
207 PM EDT SAT JUL 13 2013

GAZ025-027-036-038-039-131830-
207 PM EDT SAT JUL 13 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WILKES...
OGLETHORPE...MADISON...CLARKE AND JACKSON COUNTIES UNTIL 230 PM
EDT...

AT 202 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN OVER NORTHERN OGLETHORPE
AND NORTHERN WILKES COUNTIES...MOVING WEST AT 15 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WILKES...OGLETHORPE...MADISON...CLARKE AND JACKSON COUNTIES...
INCLUDING AREAS AROUND JACKSONS CROSSROADS...MALLORYSVILLE...
NEWTOWN...NORMAN...TIGNALL...VESTA...POINT PETER...CARLTON...SANDY
CROSS...DUNLAP...SMITHONIA...LEXINGTON...CRAWFORD...ARNOLDSVILLE AND
WINTERVILLE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3395 8353 3420 8339 3424 8335 3419 8309
      3417 8309 3401 8293 3402 8291 3399 8286
      3400 8283 3398 8279 3399 8265 3388 8260
      3387 8256 3382 8259 3374 8254
TIME...MOT...LOC 1806Z 103DEG 12KT 3399 8297

Special weather statement, Jul 13, 2:29 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
229 PM EDT SAT JUL 13 2013

GAZ025-027-036>039-131930-
229 PM EDT SAT JUL 13 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WILKES...
OGLETHORPE...OCONEE...MADISON...CLARKE AND JACKSON COUNTIES UNTIL 330
PM EDT...

AT 226 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS WITH HEAVY RAIN FROM COLBERT TO
TIGNALL...MOVING WEST AT 15 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
WILKES...OGLETHORPE...OCONEE...MADISON...CLARKE AND JACKSON
COUNTIES...INCLUDING AREAS AROUND FLORAL HILL...METASVILLE...
DANBURG...MALLORYSVILLE...PAOLI...COMER...CARLTON...DANIELSVILLE...
COLBERT...WATSON MILL BRIDGE STATE PARK...HULL...TIGNALL...POINT
PETER...VESTA AND JACKSONS CROSSROADS. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO
MINOR FLOODING.

&&

LAT...LON 3395 8354 3421 8340 3420 8338 3425 8333
      3419 8309 3417 8309 3401 8293 3402 8291
      3399 8286 3398 8279 3399 8265 3388 8260
      3387 8256 3382 8259 3375 8255
TIME...MOT...LOC 1829Z 100DEG 15KT 3404 8326 3402 8304
          3385 8272

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 8:44 PM EDT	Special Weather Statement	FFC	Bibb	46 min
Jul 12, 8:54 PM EDT	Special Weather Statement	FFC	Wilkes	51 min
Jul 12, 9:17 PM EDT	River Flood Warning	FFC	Gwinnett	2 hr
Jul 12, 9:32 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro, Warren, Wilkes	43 min
Jul 12, 10:41 PM EDT	Special Weather Statement	FFC	Greene, Hancock, Putnam, Taliaferro, Warren	49 min
Jul 12, 11:29 PM EDT	Special Weather Statement	FFC	Jasper, Putnam	46 min
Jul 13, 12:17 AM EDT	Special Weather Statement	FFC	Jones	43 min
Jul 13, 12:48 AM EDT	Special Weather Statement	FFC	Twiggs	42 min
Jul 13, 1:37 AM EDT	Special Weather Statement	FFC	Bibb, Crawford, Peach, Taylor	38 min
Jul 13, 10:41 AM EDT	Areal Flood Warning	FFC	Glascock, Jefferson, Warren	24 hr
Jul 13, 11:29 AM EDT	Flash Flood Watch	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 80 more	33 hr
Jul 13, 12:48 PM EDT	Areal Flood Warning	FFC	Johnson	24 hr
Jul 13, 1:06 PM EDT	Special Weather Statement	FFC	Laurens	84 min
Jul 13, 2:07 PM EDT	Special Weather Statement	FFC	Clarke, Madison, Oglethorpe	23 min
Jul 13, 3:34 PM EDT	Special Weather Statement	FFC	Clarke, Madison, Oglethorpe	116 min
Jul 13, 4:15 PM EDT	Special Weather Statement	FFC	Marion, Schley, Sumter, Taylor, Webster	45 min
Jul 13, 4:17 PM EDT	Special Weather Statement	FFC	Troup	43 min
Jul 13, 4:47 PM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee	43 min
Jul 13, 5:00 PM EDT	Special Weather Statement	FFC	Troup	30 min

Nearby

Special Weather Statements in Georgia, 2013 Every special weather statement in 2013

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.