Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 14, NWS Charleston, SC

April 5, 2017Evans County, Tattnall County, Georgia

NWS Charleston, SC issued this tornado warning at Apr 5, 2017, 6:32 PM EDT for Evans County, Tattnall County, Georgia. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 5, 2017, 6:32 PM EDT (22:32 UTC)
Expired: Apr 5, 2017, 7:15 PM EDT
In force: 43 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

Counties Evans County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 119 km from the middle of the area, began a volume at 22:36 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 5, 12:54 PM EDT	Tornado Watch PDS	SPC	10 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 10.5 hours before the alert went out and 176 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: 1209 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

939 
WFUS52 KCHS 052232
TORCHS
GAC109-267-052315-
/O.NEW.KCHS.TO.W.0014.170405T2232Z-170405T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
632 PM EDT WED APR 5 2017

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Evans County in southeastern Georgia...
  Tattnall County in southeastern Georgia...

* Until 715 PM EDT
    
* At 632 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Plant Hatch, moving east at 45 mph.

  HAZARD...Tornado and half dollar size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Reidsville, Claxton, Hagan, Bellville, Manassas, Gordonia Altamaha
  State Park and Mendes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3211 8220 3222 8190 3203 8183 3191 8220
      3192 8222
TIME...MOT...LOC 2232Z 249DEG 41KT 3197 8232 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

2 follow-up statements

786 
WWUS52 KCHS 052248
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
648 PM EDT WED APR 5 2017

GAC109-267-052315-
/O.CON.KCHS.TO.W.0014.000000T0000Z-170405T2315Z/
Evans GA-Tattnall GA-
648 PM EDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR EVANS AND
TATTNALL COUNTIES...
    
At 648 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Reidsville, moving east at 45 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Reidsville, Claxton, Hagan, Bellville, Manassas, Gordonia Altamaha
State Park and Mendes.

LAT...LON 3211 8220 3222 8190 3203 8183 3191 8220
      3192 8222
TIME...MOT...LOC 2248Z 249DEG 41KT 3204 8212 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

894 
WWUS52 KCHS 052307
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
707 PM EDT WED APR 5 2017

GAC109-267-052317-
/O.EXP.KCHS.TO.W.0014.000000T0000Z-170405T2315Z/
Evans GA-Tattnall GA-
707 PM EDT WED APR 5 2017

...THE TORNADO WARNING FOR EVANS AND TATTNALL COUNTIES WILL EXPIRE AT
715 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

A tornado watch remains in effect until 800 PM EDT for southeastern
Georgia.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Charleston.

LAT...LON 3211 8220 3222 8190 3203 8183 3191 8220
      3192 8222
TIME...MOT...LOC 2307Z 249DEG 41KT 3212 8189 

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 5, 2:44 PM EDT	Wind Advisory	CHS	Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more	29 hr
Apr 5, 4:33 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Jenkins, Screven	57 min
Apr 5, 4:50 PM EDT	Tornado Warning	CHS	Bulloch, Candler, Jenkins, Screven	40 min
Apr 5, 4:56 PM EDT	Special Weather Statement	CHS	Tattnall	34 min
Apr 5, 5:19 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Candler, Evans, Tattnall	56 min
Apr 5, 5:27 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Effingham, Jenkins, Screven	63 min
Apr 5, 5:56 PM EDT	Special Weather Statement	CHS	Effingham	34 min
Apr 5, 6:05 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Effingham	55 min
Apr 5, 6:21 PM EDT	Tornado Warning	CHS	Bulloch, Candler, Evans, Tattnall	39 min
Apr 5, 7:06 PM EDT	Special Weather Statement	CHS	Evans	24 min

Nearby

Tornado Warnings in Georgia, 2017 Every tornado warning in 2017 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.