Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 150, NWS Atlanta, GA

July 28, 2014Crisp County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 28, 2014, 4:18 PM EDT for Crisp County, Sumter County, Georgia. It was in force for 27 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
Jul 28, 2014, 4:18 PM EDT (20:18 UTC)
Expired
Jul 28, 2014, 4:45 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Crisp County, GA, Sumter County, GA

The radar

The Robins AFB radar (KJGX), 103 km from the middle of the area, began a volume at 20:17 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
Jul 28, 4:25 PM EDTTSTM WND DMGLeslie, GAREPORTS OF 2 TREES KNOCKED DOWN NEAR 280 EAST.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 28, 3:25 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.3 hours before the alert went out and 169 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, Tallahassee Rgnl, FL at 12:00Z on 2014-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2052 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, Tallahassee Rgnl, FL at 12:00Z on 2014-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
2052 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
25 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.

532 
WUUS52 KFFC 282018
SVRFFC
GAC081-261-282045-
/O.NEW.KFFC.SV.W.0150.140728T2018Z-140728T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
418 PM EDT MON JUL 28 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRISP COUNTY IN CENTRAL GEORGIA
  SOUTHEASTERN SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 445 PM EDT

* AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR DESOTO...
  MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  COBB...GEORGIA VETERANS MEMORIAL STATE PARK...FORT EARLY...WENONA
  AND RAINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

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 OR TWEET US YOUR REPORT AT NWSATLANTA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR SOUTHERN GEORGIA.

&&

LAT...LON 3183 8388 3184 8394 3185 8395 3191 8394
      3191 8416 3192 8418 3207 8407 3191 8369
      3190 8369 3180 8376 3180 8380
TIME...MOT...LOC 2018Z 301DEG 19KT 3195 8403

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 1:59 AM EDTSpecial Weather StatementFFCUnion46 min
Jul 28, 2:31 AM EDTSpecial Weather StatementFFCCatoosa, Walker, Whitfield29 min
Jul 28, 2:39 AM EDTSpecial Weather StatementFFCUnion, White51 min
Jul 28, 2:55 AM EDTSpecial Weather StatementFFCCatoosa, Whitfield35 min
Jul 28, 3:40 AM EDTSpecial Weather StatementFFCWalker, Whitfield50 min
Jul 28, 3:04 PM EDTSpecial Weather StatementFFCChattahoochee, Marion26 min
Jul 28, 3:06 PM EDTSpecial Weather StatementFFCEmanuel, Johnson24 min
Jul 28, 3:19 PM EDTSpecial Weather StatementFFCLaurens26 min
Jul 28, 3:28 PM EDTSpecial Weather StatementFFCMarion32 min
Jul 28, 3:44 PM EDTSpecial Weather StatementFFCLaurens31 min
Jul 28, 3:52 PM EDTSpecial Weather StatementFFCEmanuel38 min
Jul 28, 4:02 PM EDTSpecial Weather StatementFFCSumter43 min
Jul 28, 4:29 PM EDTSpecial Weather StatementFFCLaurens31 min
Jul 28, 4:40 PM EDTSpecial Weather StatementFFCJefferson35 min
Jul 28, 4:42 PM EDTSpecial Weather StatementFFCCrisp33 min
Jul 28, 4:44 PM EDTSpecial Weather StatementFFCSumter31 min
Jul 28, 5:15 PM EDTSpecial Weather StatementFFCStewart, Webster45 min
Jul 28, 5:22 PM EDTSpecial Weather StatementFFCLaurens38 min
Jul 28, 7:21 PM EDTSpecial Weather StatementFFCHouston, Pulaski24 min
Jul 28, 7:53 PM EDTSpecial Weather StatementFFCEmanuel37 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.