Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 15, NWS Charleston, SC

April 19, 2020Bryan County, Bulloch County, Evans County, Georgia

NWS Charleston, SC issued this tornado warning at Apr 19, 2020, 1:23 PM EDT for Bryan County, Bulloch County, Evans County, Georgia. It was in force for 14 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 19, 2020, 1:23 PM EDT (17:23 UTC)
Expired
Apr 19, 2020, 1:37 PM EDT
In force
14 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Bryan County, GA, Bulloch County, GA, Evans County, GA

The radar

The Charleston,SC radar (KCLX), 79 km from the middle of the area, began a volume at 17:26 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.4 hours before the alert went out and 177 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, Charleston AFB, SC at 12:00Z on 2020-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 2020-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1444 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

526 
WFUS52 KCHS 191723
TORCHS
GAC029-031-109-191800-
/O.NEW.KCHS.TO.W.0015.200419T1723Z-200419T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
123 PM EDT Sun Apr 19 2020

The National Weather Service in Charleston has issued a

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

* Until 200 PM EDT.
    
* At 123 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Nevils, moving east at 50 mph.

  HAZARD...Tornado.

  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...
  Pembroke, Daisy, Denmark, Nevils, Bay and Stilson. 

This warning includes I-16 between mile markers 123 and 142.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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 3215 8185 3225 8189 3239 8154 3219 8145
TIME...MOT...LOC 1723Z 254DEG 44KT 3222 8181 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
594 
WWUS52 KCHS 191731
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
131 PM EDT Sun Apr 19 2020

GAC109-191740-
/O.CAN.KCHS.TO.W.0015.000000T0000Z-200419T1800Z/
Evans GA-
131 PM EDT Sun Apr 19 2020

...THE TORNADO WARNING FOR EVANS COUNTY IS CANCELLED...
    
The immediate risk for tornadoes has ended. 

LAT...LON 3216 8173 3227 8178 3239 8154 3219 8145
TIME...MOT...LOC 1730Z 235DEG 51KT 3224 8170 

$$

GAC029-031-191800-
/O.CON.KCHS.TO.W.0015.000000T0000Z-200419T1800Z/
Bryan GA-Bulloch GA-
131 PM EDT Sun Apr 19 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM EDT FOR BRYAN AND
BULLOCH COUNTIES...
    
At 130 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Denmark, moving northeast at 60 mph.

HAZARD...Tornado.

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...
Pembroke, Denmark, Nevils, Bay and Stilson. 

This warning includes I-16 between mile markers 124 and 142.
 
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.

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

&&

LAT...LON 3216 8173 3227 8178 3239 8154 3219 8145
TIME...MOT...LOC 1730Z 235DEG 51KT 3224 8170 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
055 
WWUS52 KCHS 191737
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
137 PM EDT Sun Apr 19 2020

GAC029-031-191747-
/O.CAN.KCHS.TO.W.0015.000000T0000Z-200419T1800Z/
Bryan GA-Bulloch GA-
137 PM EDT Sun Apr 19 2020

...THE TORNADO WARNING FOR BRYAN AND BULLOCH COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

LAT...LON 3216 8173 3227 8178 3239 8154 3219 8145
TIME...MOT...LOC 1736Z 254DEG 44KT 3226 8160 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 9:39 PM EDTRiver Flood WarningCHSEffingham, Screven25 days
Apr 19, 9:33 AM EDTRiver Flood WarningCHSTattnall, Toombs16 days
Apr 19, 12:52 PM EDTSpecial Weather StatementCHSCandler, Evans23 min
Apr 19, 1:10 PM EDTSpecial Weather StatementCHSBulloch, Candler35 min
Apr 19, 6:37 PM EDTSpecial Weather StatementCHSMcIntosh53 min
Apr 19, 7:26 PM EDTFlash Flood WatchCHSBulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more11 hr

Nearby

Tornado Warnings in Georgia, 2020Every tornado warning in 2020Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.