Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Atlanta, GA

May 19, 2016Bibb County, Crawford County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 19, 2016, 4:03 PM EDT for Bibb County, Crawford County, Georgia. It was in force for 42 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 19, 2016, 4:03 PM EDT (20:03 UTC)
Expired: May 19, 2016, 4:45 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bibb County, GA, Crawford County, GA

The radar

The Robins AFB radar (KJGX), 54 km from the middle of the area, began a volume at 20:02 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
May 19, 4:10 PM EDT	TSTM WND DMG	1 Ne Knoxville, GA	THREE TREES DOWN ON HIGHWAY 80 ABOUT 1 MILE NORTHEAST OF KNOXVILLE

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 12:00Z, 8.1 hours before the alert went out and 85 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: 74 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

417 
WUUS52 KFFC 192003
SVRFFC
GAC021-079-192045-
/O.NEW.KFFC.SV.W.0039.160519T2003Z-160519T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
403 PM EDT THU MAY 19 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BIBB COUNTY IN CENTRAL GEORGIA...
  NORTHEASTERN CRAWFORD COUNTY IN CENTRAL GEORGIA...

* UNTIL 445 PM EDT

* AT 403 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROBERTA...
  MOVING EAST AT 10 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MACON...ROBERTA...LAKE TOBESOFKEE...KNOXVILLE...SANDY
  POINT...LIZELLA... MUSELLA AND JACK BROWN ESTATES.

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 3271 8409 3285 8405 3285 8398 3286 8398
      3285 8396 3285 8390 3287 8385 3286 8369
      3269 8374 3269 8377 3263 8385
TIME...MOT...LOC 2003Z 274DEG 10KT 3279 8399 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 6:22 AM EDT	Special Weather Statement	FFC	Taylor	38 min
May 19, 8:36 AM EDT	Special Weather Statement	FFC	Baldwin, Jones, Twiggs, Wilkinson	39 min
May 19, 8:59 AM EDT	Special Weather Statement	FFC	Dodge, Pulaski, Wilcox	31 min
May 19, 9:10 AM EDT	Special Weather Statement	FFC	Baldwin, Greene, Hancock, Johnson, Putnam, Washington and 1 more	50 min
May 19, 9:41 AM EDT	Special Weather Statement	FFC	Emanuel, Jefferson, Johnson, Laurens, Treutlen, Washington	64 min
May 19, 10:43 AM EDT	Special Weather Statement	FFC	Emanuel, Jefferson, Montgomery, Telfair, Toombs, Treutlen and 1 more	32 min
May 19, 11:34 AM EDT	Special Weather Statement	FFC	Emanuel, Montgomery, Toombs	26 min
May 19, 3:39 PM EDT	Special Weather Statement	FFC	Crawford	36 min
May 19, 3:57 PM EDT	Special Weather Statement	FFC	Butts	33 min
May 19, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Houston, Peach, Twiggs	34 min
May 19, 4:47 PM EDT	Special Weather Statement	FFC	Houston, Macon, Peach, Schley	28 min
May 19, 5:31 PM EDT	Special Weather Statement	FFC	Hancock	29 min
May 19, 5:34 PM EDT	Special Weather Statement	FFC	Jones	26 min
May 19, 5:46 PM EDT	Special Weather Statement	FFC	Baldwin	29 min
May 19, 5:52 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion	38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016 Every severe thunderstorm warning in 2016

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.