Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 37, NWS Atlanta, GA

May 14, 20149 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 14, 2014, 8:29 PM EDT for 9 counties in Georgia. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 14, 2014, 8:29 PM EDT (00:29 UTC)
Expired
May 14, 2014, 9:15 PM EDT
In force
46 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Greer radar (KGSP), 155 km from the middle of the area, began a volume at 00:32 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.

What was reported inside it

TimeReportWhereRemark
May 14, 8:35 PM EDTTSTM WND DMGDahlonega, GASEVERAL TREES AND POWERLINES WERE REPORTED DOWN NEAR HAPPY HOLLOW AND ROCK CHIMNEY LANES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.5 hours before the alert went out and 156 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 2014-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2014-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
302 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.7

Open this sounding in Storm Lab

The text

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

970 
WUUS52 KFFC 150029
SVRFFC
GAC085-111-123-187-213-227-281-291-311-150115-
/O.NEW.KFFC.SV.W.0037.140515T0029Z-140515T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
829 PM EDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  GILMER COUNTY IN NORTH CENTRAL GEORGIA
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  UNION COUNTY IN NORTH CENTRAL GEORGIA
  TOWNS COUNTY IN NORTHEAST GEORGIA
  WHITE COUNTY IN NORTHEAST GEORGIA
  NORTHEASTERN MURRAY COUNTY IN NORTHWEST GEORGIA

* UNTIL 915 PM EDT

* AT 826 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60 MPH. 
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CLEVELAND TO
  12 MILES WEST OF DAHLONEGA TO NELSON...MOVING NORTH AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  JASPER...TALKING ROCK...HELEN...SUCHES...UNICOI STATE PARK...EAST
  ELLIJAY...ELLIJAY...BLAIRSVILLE...BLUE RIDGE...MORGANTON...
  HIAWASSEE...YOUNG HARRIS AND MCCAYSVILLE-COPPERHILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK SHELTER 
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3495 8354 3488 8365 3482 8365 3480 8367
      3475 8362 3465 8365 3453 8362 3450 8366
      3452 8378 3447 8389 3445 8417 3438 8436
      3438 8447 3453 8460 3499 8480 3500 8355
TIME...MOT...LOC 0028Z 164DEG 41KT 3459 8374 3456 8421
          3442 8446

$$
1 follow-up statement
185 
WWUS52 KFFC 150102
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
902 PM EDT WED MAY 14 2014

GAC085-187-227-311-150111-
/O.CAN.KFFC.SV.W.0037.000000T0000Z-140515T0115Z/
WHITE GA-PICKENS GA-LUMPKIN GA-DAWSON GA-
902 PM EDT WED MAY 14 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DAWSON...
LUMPKIN...PICKENS AND WHITE COUNTIES IS CANCELLED...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

LAT...LON 3495 8354 3488 8365 3482 8365 3480 8367
      3482 8371 3471 8415 3461 8441 3456 8461
      3499 8480 3500 8355
TIME...MOT...LOC 0101Z 164DEG 41KT 3495 8390 3491 8437
          3477 8462

$$

GAC111-123-213-281-291-150115-
/O.CON.KFFC.SV.W.0037.000000T0000Z-140515T0115Z/
UNION GA-TOWNS GA-MURRAY GA-FANNIN GA-GILMER GA-
902 PM EDT WED MAY 14 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR GILMER...FANNIN...NORTHEASTERN MURRAY...TOWNS AND UNION
COUNTIES...

AT 859 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM YOUNG HARRIS TO BLUE RIDGE TO MOUNTAINTOWN..MOVING
NORTH AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HIGDON...ALEXANDERS MILL...GUMLOG...NOTTELY DAM...IVY LOG...
COLWELL...EPWORTH...JONES MILL...MCCAYSVILLE-COPPERHILL...CONASAUGA
LAKE...CRANDALL...COHUTTA WILDERNESS...CISCO...GREGORY AND TENNGA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3495 8354 3488 8365 3482 8365 3480 8367
      3482 8371 3471 8415 3461 8441 3456 8461
      3499 8480 3500 8355
TIME...MOT...LOC 0101Z 164DEG 41KT 3495 8390 3491 8437
          3477 8462

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:02 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Cherokee, Dawson, Forsyth, Hall and 4 more28 min
May 14, 8:22 PM EDTSpecial Weather StatementFFCMarion, Meriwether, Pike, Talbot, Taylor, Upson38 min
May 14, 9:33 PM EDTSpecial Weather StatementFFCCoweta, Douglas, Fayette, Meriwether, Paulding42 min
May 14, 10:04 PM EDTSpecial Weather StatementFFCBaldwin, Bleckley, Twiggs, Wilkinson41 min
May 14, 10:37 PM EDTFlash Flood WarningFFCBleckley6 hr
May 14, 10:50 PM EDTSpecial Weather StatementFFCDodge, Pulaski, Wilcox85 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.