Alert archive / Georgia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 13, NWS Charleston, SC

April 13, 20207 counties in Georgia; Allendale County, Hampton County, Jasper County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Apr 13, 2020, 5:33 AM EDT for 7 counties in Georgia; Allendale County, Hampton County, Jasper County, South Carolina. It was in force for 57 min. 9 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: Apr 13, 2020, 5:33 AM EDT (09:33 UTC)
Expired: Apr 13, 2020, 6:30 AM EDT
In force: 57 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Hampton County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 50 km from the middle of the area, began a volume at 09:35 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
Apr 13, 5:37 AM EDT	TSTM WND DMG	3 N Woodcliff, GA	A 911 CALL CENTER REPORTED 2 TREES DOWN NEAR BAY BRANCH ROAD. TIME ESTIMATED VIA RADAR DATA.
Apr 13, 5:48 AM EDT	TSTM WND DMG	Dover, GA	A TREE WAS REPORTED DOWN ON DOVER ROAD. TIME IS ESTIMATED BY RADAR.
Apr 13, 5:58 AM EDT	TORNADO	4 E Hunters, GA	A NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-1 TORNADO. THE TORNADO TOUCHED DOWN ALONG WEISMAN ROAD. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 5:59 AM EDT	TSTM WND DMG	5 E Hunters, GA	REPORTS OF MULTIPLE LARGE TREES SNAPPED AND/OR DOWNED, STRUCTURAL DAMAGE TO TWO NEARBY HOMES AND ATLEAST ONE VEHICLE NEAR THE 8300 BLOCK OF NEWINGTON HWY. POSSIBLE TORNADO DAMAGE. TIME WAS ESTIMATED VIA RADAR DATA.
Apr 13, 6:10 AM EDT	TORNADO	3 Wnw Scotia, SC	* 5 FATAL, 60 INJ * A NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-3 TORNADO WHICH INITIALLY TOUCHED DOWN NEAR COLLIE ROAD. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 6:13 AM EDT	TSTM WND DMG	Estill, SC	A PICTURE OF A HOUSE SHOWS EXTENSIVE DAMAGE. TIME IS ESTIMATED BY RADAR. POSSIBLE TORNADO DAMAGE.
Apr 13, 6:20 AM EDT	TSTM WND DMG	4 Ese Lena, SC	* 3 FATAL * HAMPTON COUNTY EMA REPORTED 3 FATALITIES DUE TO THUNDERSTORM WIND DAMAGE IN NIXVILLE. THIS DAMAGE AND RESULTING FATALITIES WERE LIKELY DUE TO A TORNADO.
Apr 13, 6:20 AM EDT	TSTM WND DMG	4 Ese Lena, SC	* 5 FATAL, 12 INJ * UPDATE: HAMPTON COUNTY EMA REPORTED 5 FATALITIES AND 12 INJURIES DUE TO THUNDERSTORM WIND DAMAGE IN NIXVILLE. THIS DAMAGE AND RESULTING FATALITIES WERE LIKELY DUE TO A TORNADO.
Apr 13, 6:35 AM EDT	TSTM WND DMG	1 Sw Register, GA	A TREE WAS REPORTED DOWN ON KENNEDY BRIDGE ROAD. TIME IS ESTIMATED BY RADAR.

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.

Issued	Product	Office	Lasted
Apr 13, 3:20 AM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 9.6 hours before the alert went out and 150 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 944 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 371 m²/s²
0-3 km storm-relative helicity: 494 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

668 
WUUS52 KCHS 130933
SVRCHS
GAC031-043-103-109-165-251-267-SCC005-049-053-131030-
/O.NEW.KCHS.SV.W.0013.200413T0933Z-200413T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
533 AM EDT Mon Apr 13 2020

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Screven County in southeastern Georgia...
  Evans County in southeastern Georgia...
  Bulloch County in southeastern Georgia...
  Candler County in southeastern Georgia...
  Jenkins County in southeastern Georgia...
  Effingham County in southeastern Georgia...
  Tattnall County in southeastern Georgia...
  Hampton County in southeastern South Carolina...
  Allendale County in southeastern South Carolina...
  Jasper County in southeastern South Carolina...

* Until 630 AM EDT.

* At 532 AM EDT, severe thunderstorms were located along a line
  extending from 6 miles west of Barnwell to near Santa Claus, moving
  east at 60 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Statesboro, Reidsville, Metter, Allendale, Sylvania, Springfield,
  Hampton, Claxton, Lake Warren State Park, Varnville, Estill,
  Fairfax, Guyton, Brooklet and Hagan.

The Statesboro COVID-19 outside testing site is in the path of this
storm. TAKE PRECAUTIONS NOW!

This warning includes I-16 between mile markers 97 and 139.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3256 8207 3254 8203 3291 8176 3304 8156
      3310 8161 3316 8154 3311 8137 3312 8120
      3305 8113 3305 8110 3287 8096 3271 8106
      3256 8128 3248 8122 3224 8137 3224 8144
      3214 8178 3208 8220 3218 8218 3233 8224
TIME...MOT...LOC 0932Z 254DEG 51KT 3324 8147 3216 8227 

HAIL...0.75IN
WIND...60MPH
 
$$

1 follow-up statement

972 
WWUS52 KCHS 131003
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
603 AM EDT Mon Apr 13 2020

GAC165-131012-
/O.CAN.KCHS.SV.W.0013.000000T0000Z-200413T1030Z/
Jenkins GA-
603 AM EDT Mon Apr 13 2020

...THE SEVERE THUNDERSTORM WARNING FOR JENKINS COUNTY IS CANCELLED...
    
The immediate risk for severe weather has ended. 

LAT...LON 3239 8199 3248 8186 3269 8167 3283 8153
      3297 8142 3309 8133 3312 8120 3305 8113
      3305 8110 3287 8096 3271 8106 3256 8128
      3248 8122 3224 8137 3224 8144 3214 8178
      3208 8220 3218 8218 3233 8224
TIME...MOT...LOC 1002Z 254DEG 51KT 3335 8099 3228 8179 

$$

GAC031-043-103-109-251-267-SCC005-049-053-131030-
/O.CON.KCHS.SV.W.0013.000000T0000Z-200413T1030Z/
Screven GA-Evans GA-Bulloch GA-Candler GA-Effingham GA-Tattnall GA-
Hampton SC-Allendale SC-Jasper SC-
603 AM EDT Mon Apr 13 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM EDT
FOR SCREVEN...EVANS...BULLOCH...CANDLER...EFFINGHAM...TATTNALL...
HAMPTON...ALLENDALE AND JASPER COUNTIES...

At 602 AM EDT, severe thunderstorms were located along a line
extending from near Bamberg to near Nevils, moving east at 60 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Statesboro, Reidsville, Metter, Allendale, Springfield, Hampton,
Claxton, Lake Warren State Park, Varnville, Estill, Fairfax, Guyton,
Brooklet, Hagan and Collins.

This warning includes I-16 between mile markers 106 and 139.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. 

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

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3239 8199 3248 8186 3269 8167 3283 8153
      3297 8142 3309 8133 3312 8120 3305 8113
      3305 8110 3287 8096 3271 8106 3256 8128
      3248 8122 3224 8137 3224 8144 3214 8178
      3208 8220 3218 8218 3233 8224
TIME...MOT...LOC 1002Z 254DEG 51KT 3335 8099 3228 8179 

HAIL...0.75IN
WIND...60MPH
 
$$

JRL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 4:44 AM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Jenkins, Screven	61 min
Apr 13, 5:54 AM EDT	Tornado Warning	CHS	Screven	36 min
Apr 13, 6:22 AM EDT	Severe Thunderstorm Warning	CHS	Effingham	53 min
Apr 13, 6:29 AM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Candler, Effingham, Evans, Liberty and 2 more	61 min
Apr 13, 7:15 AM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Liberty, Long, McIntosh, Tattnall	60 min
Apr 13, 7:33 AM EDT	Tornado Warning	CHS	Liberty, Long	27 min
Apr 13, 7:57 AM EDT	Tornado Warning	CHS	Bryan, Liberty, Long	33 min
Apr 13, 8:13 AM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Liberty, McIntosh	62 min
Apr 13, 8:21 AM EDT	Tornado Warning	CHS	Bryan, Chatham	24 min
Apr 12, 10:23 PM EDT	Coastal Flood Advisory	CHS		4 hr
Apr 13, 6:02 AM EDT	Tornado Warning	CHS	Allendale	14 min
Apr 13, 6:18 AM EDT	Tornado Warning Tornado observed	CHS	Colleton, Hampton	27 min
Apr 13, 6:38 AM EDT	Tornado Warning EmergencyTornado observed	CHS	Colleton, Hampton	37 min
Apr 13, 6:53 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Berkeley, Charleston, Colleton, Dorchester	52 min
Apr 13, 7:01 AM EDT	Tornado Warning Tornado observedConsiderable damage threat	CHS	Colleton, Dorchester	29 min
Apr 13, 7:08 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	67 min
Apr 13, 7:26 AM EDT	Tornado Warning	CHS	Berkeley, Dorchester	34 min
Apr 13, 7:42 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Berkeley, Charleston, Colleton, Dorchester	63 min
Apr 13, 7:47 AM EDT	Special Marine Warning	CHS		88 min
Apr 13, 7:50 AM EDT	Special Marine Warning	CHS		115 min
Apr 13, 7:54 AM EDT	Tornado Warning Tornado observed	CHS	Berkeley	18 min
Apr 13, 8:00 AM EDT	Tornado Warning	CHS	Charleston, Colleton	30 min
Apr 13, 8:26 AM EDT	Tornado Warning	CHS	Charleston	34 min
Apr 13, 8:42 AM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	33 min
Apr 13, 9:06 AM EDT	Special Marine Warning	CHS		54 min
Apr 13, 9:38 AM EDT	Special Marine Warning	CHS		86 min
Apr 13, 9:41 AM EDT	Special Marine Warning	CHS		82 min
Apr 13, 9:53 AM EDT	Small Craft Advisory	CHS		17 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2020 Severe Thunderstorm Warnings in South Carolina, 2020 Every severe thunderstorm warning in 2020

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.