Alert archive / Georgia / Special Weather Statements in 2014

Special Weather Statement, NWS Atlanta, GA

July 19, 2014Washington County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 19, 2014, 2:12 PM EDT for Washington County, Georgia. It was in force for 48 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, 2:12 PM EDT (18:12 UTC)
Expired: Jul 19, 2014, 3:00 PM EDT
In force: 48 min
Issued by: NWS Atlanta, GA

County Washington County, GA

The radar

The Robins AFB radar (KJGX), 40 km from the middle of the area, began a volume at 18:14 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, 6.2 hours before the alert went out and 158 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: 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, 1:42 PM EDT, 30 minutes earlier.

Area forecast discussion, Jul 19, 1:42 PM EDT, 30 minutes before

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Hazardous weather outlook, Jul 19, 5:26 AM EDT, 8 hours 46 minutes before

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In the hours before

Special weather statement, Jul 19, 12:37 PM EDT, 1 hour 35 minutes before

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Special weather statement, Jul 19, 12:48 PM EDT, 1 hour 24 minutes before

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Special weather statement, Jul 19, 1:17 PM EDT, 55 minutes before

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Special weather statement, Jul 19, 1:18 PM EDT, 54 minutes before

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Special weather statement, Jul 19, 1:42 PM EDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
142 PM EDT SAT JUL 19 2014

GAZ084-191815-
142 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WILKINSON COUNTY
UNTIL 215 PM EDT...

AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER MCINTYRE...MOVING EAST AT 20 MPH.

THESE STORMS HAVE THE POTENTIAL TO FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 35 MPH AS THEY MOVE ACROSS WILKINSON
COUNTY THROUGH 215 PM EDT. SOME LOCATIONS IN THE PATH OF THESE
STORMS INCLUDE MCINTYRE...IVEY...IRWINTON AND TOOMSBORO. 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...OR SIGNIFICANT CLOUD-TO-GROUND
LIGHTNING.

&&

LAT...LON 3268 8302 3267 8303 3282 8335 3294 8327
      3295 8308 3291 8305 3288 8305 3285 8301
TIME...MOT...LOC 1742Z 289DEG 18KT 3282 8319

Special weather statement, Jul 19, 2:12 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
212 PM EDT SAT JUL 19 2014

GAZ073-074-084-085-191900-
212 PM EDT SAT JUL 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WASHINGTON...
JOHNSON...WILKINSON AND BALDWIN COUNTIES UNTIL 300 PM EDT...

AT 208 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM 7 MILES WEST OF HEBRON TO NICKLESVILLE...
MOVING EAST 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
WASHINGTON...JOHNSON...WILKINSON AND BALDWIN COUNTIES THROUGH 300 PM
EDT. SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
NICKLESVILLE...TOOMSBORO...OCONEE...HEBRON...DEEPSTEP...TENNILLE...SA
NDERSVILLE AND HARRISON. 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 3271 8279 3271 8295 3269 8300 3268 8311
      3281 8312 3297 8321 3306 8285 3286 8269
TIME...MOT...LOC 1812Z 263DEG 18KT 3296 8309 3283 8297
          3270 8304

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 6:13 AM EDT	Special Weather Statement	FFC	Clayton, DeKalb	47 min
Jul 19, 6:59 AM EDT	Special Weather Statement	FFC	Clayton, DeKalb	61 min
Jul 19, 7:55 AM EDT	Special Weather Statement	FFC	Clayton, DeKalb, Fulton, Gwinnett	65 min
Jul 19, 12:37 PM EDT	Special Weather Statement	FFC	Warren	8 min
Jul 19, 12:48 PM EDT	Special Weather Statement	FFC	McDuffie	27 min
Jul 19, 1:17 PM EDT	Special Weather Statement	FFC	Twiggs	43 min
Jul 19, 1:18 PM EDT	Special Weather Statement	FFC	Twiggs	42 min
Jul 19, 1:42 PM EDT	Special Weather Statement	FFC	Wilkinson	33 min
Jul 19, 3:12 PM EDT	Special Weather Statement	FFC	Treutlen	33 min
Jul 19, 3:21 PM EDT	Special Weather Statement	FFC	Montgomery	24 min
Jul 19, 4:43 PM EDT	Special Weather Statement	FFC	Newton	47 min
Jul 19, 6:46 PM EDT	Special Weather Statement	FFC	Clayton, Fayette, Rockdale	29 min
Jul 19, 7:16 PM EDT	Special Weather Statement	FFC	Clayton	29 min
Jul 19, 7:38 PM EDT	Flash Flood Warning	FFC	Clayton, Henry	6 hr
Jul 19, 7:48 PM EDT	Special Weather Statement	FFC	Rockdale	27 min

Nearby

Special Weather Statements in Georgia, 2014 Every 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.