Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 235, NWS Atlanta, GA

June 15, 2017Houston County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 15, 2017, 9:04 PM EDT for Houston County, Georgia. It was in force for 41 min. 6 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 15, 2017, 9:04 PM EDT (01:04 UTC)
Expired: Jun 15, 2017, 9:45 PM EDT
In force: 41 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Houston County, GA

The radar

The Robins AFB radar (KJGX), 37 km from the middle of the area, began a volume at 01:04 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

Time	Report	Where	Remark
Jun 15, 9:06 PM EDT	TSTM WND DMG	1 Nnw Grove Park, GA	A TREE WAS REPORTED DOWN IN THE ROADWAY AT ELKO ROAD AND GILBERT ROAD.
Jun 15, 9:20 PM EDT	TSTM WND DMG	1 Nnw Grove Park, GA	TREE DOWN ON ROAD NEAR INTERESECTION OF GILBERT RD AND ELKO RD
Jun 15, 9:20 PM EDT	TSTM WND DMG	1 Nnw Grove Park, GA
Jun 15, 9:30 PM EDT	TSTM WND DMG	1 Nw Kathleen, GA	A TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF OLD PERRY ROAD AND ROBERTS ROAD.
Jun 15, 9:30 PM EDT	TSTM WND DMG	Willow Run, GA	A TREE WAS REPORTED DOWN IN THE ROADWAY NEAR THE INTERSECTION OF BEAR BRANCH ROAD AND SAND RIDGE DRIVE.
Jun 15, 9:42 PM EDT	TSTM WND DMG	River West, GA	A TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF CHATOOGA WAY AND HIWASSEE DRIVE.

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, 1.1 hours before the alert went out and 133 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1575 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -88 m²/s²
0-3 km storm-relative helicity: -22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

266 
WUUS52 KFFC 160104
SVRFFC
GAC153-160145-
/O.NEW.KFFC.SV.W.0235.170616T0104Z-170616T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
904 PM EDT THU JUN 15 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Houston County in central Georgia...

* Until 945 PM EDT

* At 903 PM EDT, a severe thunderstorm was located over Grove Park,
  or near Perry, moving northeast at 15 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Perry, Warner Robins, Robins Air Force Base, Hayneville,
  Meadowdale, Sand Bed, Houston Lake, Grovania, Elko, Grove Park,
  Moss Oak, Bonaire, Henderson, Kathleen, Klondike and Clinchfield.

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 3229 8377 3238 8385 3238 8384 3242 8384
      3263 8354 3258 8354 3257 8355 3253 8354
      3250 8352 3249 8349 3245 8350 3244 8349
      3241 8348 3239 8350 3240 8352 3231 8360
      3229 8366
TIME...MOT...LOC 0103Z 236DEG 15KT 3237 8374 

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

1 follow-up statement

892 
WWUS52 KFFC 160130
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
930 PM EDT THU JUN 15 2017

GAC153-160145-
/O.CON.KFFC.SV.W.0235.000000T0000Z-170616T0145Z/
Houston GA-
930 PM EDT THU JUN 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR CENTRAL HOUSTON COUNTY...

At 930 PM EDT, a severe thunderstorm was located over Houston Lake,
or near Perry, moving northeast at 20 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Perry, Warner Robins, Robins Air Force Base, Hayneville, Meadowdale,
Sand Bed, Houston Lake, Bonaire, Kathleen and Clinchfield.

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 3239 8374 3245 8380 3263 8354 3258 8354
      3257 8355 3253 8354 3250 8352 3249 8349
      3245 8350 3244 8349 3241 8348 3239 8351
      3240 8352 3237 8355
TIME...MOT...LOC 0130Z 223DEG 17KT 3249 8364 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 8:15 PM EDT	Special Weather Statement	FFC	Dooly	30 min
Jun 15, 8:16 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs	29 min
Jun 15, 8:22 PM EDT	Special Weather Statement	FFC	Putnam	23 min
Jun 15, 8:38 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston, Macon	37 min
Jun 15, 8:41 PM EDT	Special Weather Statement	FFC	Sumter	64 min
Jun 15, 9:05 PM EDT	Special Weather Statement	FFC	Peach	25 min
Jun 15, 9:08 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Washington	52 min
Jun 15, 9:36 PM EDT	Special Weather Statement	FFC	Twiggs	24 min
Jun 15, 9:37 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Twiggs	33 min
Jun 15, 10:10 PM EDT	Special Weather Statement	FFC	Wilkinson	35 min
Jun 15, 10:37 PM EDT	Special Weather Statement	FFC	Washington	23 min
Jun 15, 11:12 PM EDT	Special Weather Statement	FFC	Jefferson	33 min
Jun 16, 2:20 AM EDT	Dense Fog Advisory	FFC	Banks, Barrow, Bartow, Catoosa, Chattooga, Cherokee and 21 more	7 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every severe thunderstorm warning in 2017

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.