Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 154, NWS Atlanta, GA

June 23, 2018Catoosa County, Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2018, 1:32 PM EDT for Catoosa County, Dade County, Walker County, Georgia. It was in force for 43 min. 8 reports 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
Jun 23, 2018, 1:32 PM EDT (17:32 UTC)
Expired
Jun 23, 2018, 2:15 PM EDT
In force
43 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Catoosa County, GA, Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 63 km from the middle of the area, began a volume at 17:34 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
Jun 23, 1:48 PM EDTTSTM WND DMG1 W Cloudland Canyon St, GAGA 511 REPORTING A TREE DOWN ON SUNSET RD BLOCKING ALL LANES OF TRAFFIC, NEAR GA 136.
Jun 23, 1:48 PM EDTTSTM WND DMG1 Wnw Cloudland Canyon, GA911 REPORTING A FERW TREES BLOWN OVER ALONG HWY 136 AT MM10
Jun 23, 1:48 PM EDTTSTM WND DMG2 Ese New England, GA911 CALL CENTER REPORTING CALLER COUNTED APPROX 6 TREES DOWN ALONG BURKHALTER GAP RD.
Jun 23, 1:48 PM EDTTSTM WND DMG2 Ese New England, GAREPORT VIA TWITTER OF A TREE BLOWN DOWN ON BURKHALTER GAP RD BLOCKING 1 LANE, ON THE SIDE OF LOOKOUT MOUNTAIN.
Jun 23, 1:48 PM EDTTSTM WND DMGTrenton, GATREES ARE DOWN ALL OVER DADE COUNTY, INCLUDING 3 LARGE TREES DOWN ALONG N SUNSET DR IN TRENTON
Jun 23, 1:50 PM EDTTSTM WND DMG1 Ese New England, GAREPORT OF A TREE DOWN ON CREEK RD
Jun 23, 2:05 PM EDTTSTM WND DMG1 S Fort Oglethorpe, GATREES AND POWER LINES DOWN AT THE INTERSECTION OF ALEXANDER BRIDGE RD AND LAFAYETTE RD.
Jun 23, 2:15 PM EDTTSTM WND DMG1 Ene Boynton, GATWO TREES REPORTED DOWN ON THREE NOTCH RD NEAR THE INTERSECTION WITH BATTLEFIELD PKWY.

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
Jun 23, 12:09 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.5 hours before the alert went out and 173 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, Nashville Metro, TN at 12:00Z on 2018-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Nashville Metro, TN at 12:00Z on 2018-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897Sfc1 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
25 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

043 
WUUS52 KFFC 231732
SVRFFC
GAC047-083-295-231815-
/O.NEW.KFFC.SV.W.0154.180623T1732Z-180623T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
132 PM EDT SAT JUN 23 2018

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Catoosa County in northwestern Georgia...
  Northwestern Walker County in northwestern Georgia...
  Dade County in northwestern Georgia...

* Until 215 PM EDT.

* At 132 PM EDT, severe thunderstorms were located along a line
  extending from near South Pittsburg to near Bridgeport, moving east
  at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Trenton, Fort Oglethorpe, Rossville, Chickamauga, Lookout Mountain,
  Lakeview, Indian Springs, Blue Spring, Cole City, Wildwood,
  Fairview, Stephensville, Boynton, Beaumont, Chattanooga  Valley,
  New England, Morganville, Hooker, Cloudland Canyon State Park and
  East Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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.

&&

LAT...LON 3498 8543 3499 8516 3482 8515 3483 8558
      3498 8560
TIME...MOT...LOC 1732Z 261DEG 38KT 3499 8575 3488 8574 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:01 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Harris, Muscogee29 min
Jun 22, 8:08 PM EDTSpecial Weather StatementFFCMorgan, Newton52 min
Jun 22, 8:23 PM EDTSpecial Weather StatementFFCTaylor52 min
Jun 22, 8:37 PM EDTSpecial Weather StatementFFCChattooga, Walker53 min
Jun 22, 8:40 PM EDTSpecial Weather StatementFFCBaldwin, Bibb, Jones, Monroe50 min
Jun 22, 8:54 PM EDTSpecial Weather StatementFFCGreene51 min
Jun 22, 9:06 PM EDTSevere Thunderstorm WarningFFCCrawford, Houston, Macon, Peach, Taylor39 min
Jun 22, 9:23 PM EDTSpecial Weather StatementFFCBartow, Floyd, Gordon52 min
Jun 22, 9:28 PM EDTSpecial Weather StatementFFCBaldwin, Wilkinson47 min
Jun 22, 9:45 PM EDTSpecial Weather StatementFFCTwiggs30 min
Jun 22, 9:53 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd22 min
Jun 22, 10:05 PM EDTSpecial Weather StatementFFCGlascock, Jefferson40 min
Jun 22, 10:40 PM EDTSpecial Weather StatementFFCJefferson, Johnson50 min
Jun 22, 11:15 PM EDTSpecial Weather StatementFFCEmanuel, Johnson45 min
Jun 23, 1:31 AM EDTSpecial Weather StatementFFCTroup29 min
Jun 23, 2:27 AM EDTSpecial Weather StatementFFCMeriwether, Pike33 min
Jun 23, 3:06 AM EDTSpecial Weather StatementFFCCoweta, Fayette24 min
Jun 23, 1:26 PM EDTSpecial Weather StatementFFCDade, Walker49 min
Jun 23, 1:48 PM EDTSpecial Weather StatementFFCWashington27 min
Jun 23, 2:02 PM EDTSevere Thunderstorm WarningFFCCatoosa, Gordon, Murray, Walker, Whitfield43 min
Jun 23, 2:16 PM EDTSpecial Weather StatementFFCJefferson29 min
Jun 23, 2:37 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray38 min
Jun 23, 2:39 PM EDTSpecial Weather StatementFFCBibb51 min
Jun 23, 2:45 PM EDTSpecial Weather StatementFFCJohnson45 min
Jun 23, 3:14 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Lumpkin, Towns, Union, White46 min
Jun 23, 3:37 PM EDTSpecial Weather StatementFFCEmanuel38 min
Jun 23, 3:39 PM EDTSpecial Weather StatementFFCJohnson51 min
Jun 23, 4:13 PM EDTSpecial Weather StatementFFCMontgomery, Treutlen47 min
Jun 23, 5:09 PM EDTSpecial Weather StatementFFCHaralson36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018

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.