Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

July 19, 2014Rockdale County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 19, 2014, 7:48 PM EDT for Rockdale County, 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 19, 2014, 7:48 PM EDT (23:48 UTC)
Expired
Jul 19, 2014, 8:15 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA

County Rockdale County, GA

The radar

The Atlanta radar (KFFC), 53 km from the middle of the area, began a volume at 23:48 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, 11.8 hours before the alert went out and 47 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 2014-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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 2014-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 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
201 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
164 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 19, 7:26 PM EDT, 22 minutes earlier.

Area forecast discussion, Jul 19, 7:26 PM EDT, 22 minutes before
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Hazardous weather outlook, Jul 19, 5:40 PM EDT, 2 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT SAT JUL 19 2014

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-200930-
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-
540 PM EDT SAT JUL 19 2014

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

.DAY ONE...TONIGHT...

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED TONIGHT.

DISCUSSION...

A STRONG STORM SYSTEM WILL MOVE ACROSS THE SOUTHEAST THIS WEEKEND.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED. THE
PRIMARY THREAT WILL BE LOCALLY HEAVY RAINFALL. SOME OF THE STORMS
COULD BRIEFLY BECOME STRONG...BUT SEVERE THUNDERSTORMS ARE NOT
EXPECTED.

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

A PROLONGED PERIOD OF SCATTERED TO WIDESPREAD SHOWERS AND
THUNDERSTORMS IS EXPECTED. ISOLATED STRONG TO BRIEFLY SEVERE
STORMS CANNOT BE RULED OUT ESPECIALLY MONDAY THROUGH THURSDAY
AFTERNOON...BUT THE MAIN THREAT WILL CONTINUE TO BE LOCALLY HEAVY
RAINFALL.

.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.

16

In the hours before

Special weather statement, Jul 19, 3:12 PM EDT, 4 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
312 PM EDT SAT JUL 19 2014

GAZ097-098-191945-
312 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND LIGHTNING IN
   TREUTLEN AND LAURENS COUNTIES UNTIL 345 PM EDT...

AT 309 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER LOWERY...MOVING NORTHEAST AT 20 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 35 MPH AS THEY MOVE ACROSS TREUTLEN AND
LAURENS COUNTIES THROUGH 345 PM EDT. SOME LOCATIONS IN THE PATH OF
THESE STORMS INCLUDE
LOWERY...MINTER...ROCKLEDGE...ORLAND...ROCKLEDGE...ORIANNA AND
BLACKVILLE. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50
MPH...HAIL LESS THAN THE SIZE OF QUARTERS...SIGNIFICANT
CLOUD-TO-GROUND LIGHTNING OR HEAVY RAIN.

&&

LAT...LON 3234 8281 3243 8288 3257 8267 3252 8267
      3250 8262 3251 8257 3250 8253 3242 8247
TIME...MOT...LOC 1912Z 240DEG 16KT 3240 8279
Special weather statement, Jul 19, 3:21 PM EDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
321 PM EDT SAT JUL 19 2014

GAZ111>113-191945-
321 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND FREQUENT
LIGHTNING IN WHEELER...TOOMBS AND MONTGOMERY COUNTIES UNTIL
345 PM EDT...

AT 317 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTHWEST OF CHARLOTTEVILLE...MOVING
NORTHEAST AT 20 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 35 MPH AS IT MOVES ACROSS
WHEELER...TOOMBS AND MONTGOMERY COUNTIES THROUGH 345 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE CHARLOTTEVILLE...MCNATT
FALLS...UVALDA...GRAYS LANDING AND ALSTON. HEAVY DOWNPOURS WILL CAUSE
PONDING OF WATER ON ROADWAYS.

SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50
MPH...HAIL LESS THAN THE SIZE OF QUARTERS...SIGNIFICANT
CLOUD-TO-GROUND LIGHTNING OR HEAVY RAIN.

&&

LAT...LON 3199 8265 3210 8247 3196 8240 3195 8243
      3196 8248 3195 8248 3194 8250 3195 8252
      3195 8256 3192 8262
TIME...MOT...LOC 1921Z 243DEG 16KT 3197 8259
Special weather statement, Jul 19, 4:43 PM EDT, 3 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
443 PM EDT SAT JUL 19 2014

GAZ047>049-192130-
443 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN NEWTON...MORGAN AND
WALTON COUNTIES UNTIL 530 PM EDT...

AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM SOCIAL CIRCLE TO PORTERDALE...MOVING EAST
AT 5 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND HEAVY RAIN THEY MOVE ACROSS NEWTON...MORGAN AND
WALTON COUNTIES THROUGH 530 PM EDT. SOME LOCATIONS IN THE PATH OF
THESE STORMS INCLUDE PORTERDALE...COVINGTON...HERNDONVILLE...SOCIAL
CIRCLE...BRICK STORE...EBENEZER...GOOD HOPE...RUTLEDGE...HARD LABOR
CREEK STATE PARK AND STARRSVILLE. HEAVY DOWNPOURS WILL CAUSE PONDING
OF WATER ON ROADWAYS.

&&

LAT...LON 3363 8355 3357 8367 3352 8387 3355 8400
      3359 8390 3381 8359
TIME...MOT...LOC 2043Z 276DEG 5KT 3365 8369 3358 8379
          3355 8395
Special weather statement, Jul 19, 6:46 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
646 PM EDT SAT JUL 19 2014

GAZ046-054-055-057-192315-
646 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN ROCKDALE...
FAYETTE...HENRY AND CLAYTON COUNTIES UNTIL 715 PM EDT...

AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM PANOLA MOUNTAIN STATE PARK TO
FAYETTEVILLE...MOVING EAST AT 5 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND HEAVY RAIN AS THEY MOVE ACROSS
ROCKDALE...FAYETTE...HENRY AND CLAYTON COUNTIES THROUGH 715 PM EDT.
SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE KENWOOD...PANOLA
MOUNTAIN STATE PARK...HIDDEN VALLEY PARK...ELLENWOOD...LAKE
CITY...REX...MORROW...RICHARDSON PARK...EAGLES
LANDING...STOCKBRIDGE...LAKE SPIVEY...BONANZA...IRONDALE...JW SMITH
RESERVOIR AND JONESBORO. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER
ON ROADWAYS.

SIGNIFICANT WEATHER ADVISORIES ARE ISSUED FOR WINDS UP TO 50
MPH...HAIL LESS THAN THE SIZE OF QUARTERS...SIGNIFICANT
CLOUD-TO-GROUND LIGHTNING OR HEAVY RAIN.

&&

LAT...LON 3355 8445 3365 8427 3365 8424 3363 8424
      3365 8422 3365 8418 3363 8413 3361 8412
      3367 8408 3367 8397 3340 8437 3341 8454
TIME...MOT...LOC 2246Z 259DEG 4KT 3363 8417 3354 8440
          3342 8451
Special weather statement, Jul 19, 7:16 PM EDT, 32 minutes before
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Special weather statement, Jul 19, 7:48 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
Jul 19, 6:13 AM EDTSpecial Weather StatementFFCClayton, DeKalb47 min
Jul 19, 6:59 AM EDTSpecial Weather StatementFFCClayton, DeKalb61 min
Jul 19, 7:55 AM EDTSpecial Weather StatementFFCClayton, DeKalb, Fulton, Gwinnett65 min
Jul 19, 12:37 PM EDTSpecial Weather StatementFFCWarren8 min
Jul 19, 12:48 PM EDTSpecial Weather StatementFFCMcDuffie27 min
Jul 19, 1:17 PM EDTSpecial Weather StatementFFCTwiggs43 min
Jul 19, 1:18 PM EDTSpecial Weather StatementFFCTwiggs42 min
Jul 19, 1:42 PM EDTSpecial Weather StatementFFCWilkinson33 min
Jul 19, 2:12 PM EDTSpecial Weather StatementFFCWashington48 min
Jul 19, 3:12 PM EDTSpecial Weather StatementFFCTreutlen33 min
Jul 19, 3:21 PM EDTSpecial Weather StatementFFCMontgomery24 min
Jul 19, 4:43 PM EDTSpecial Weather StatementFFCNewton47 min
Jul 19, 6:46 PM EDTSpecial Weather StatementFFCClayton, Fayette, Rockdale29 min
Jul 19, 7:16 PM EDTSpecial Weather StatementFFCClayton29 min
Jul 19, 7:38 PM EDTFlash Flood WarningFFCClayton, Henry6 hr

Nearby

Special Weather Statements in Georgia, 2014Every special weather statement in 2014

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.