Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 16, NWS Charleston, SC

April 23, 2020McIntosh County, Georgia

NWS Charleston, SC issued this tornado warning at Apr 23, 2020, 2:59 PM EDT for McIntosh County, Georgia. It was in force for 46 min. 2 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 23, 2020, 2:59 PM EDT (18:59 UTC)
Expired
Apr 23, 2020, 3:45 PM EDT
In force
46 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
1.75 in

County McIntosh County, GA

The radar

The Jacksonville radar (KJAX), 101 km from the middle of the area, began a volume at 18:58 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

TimeReportWhereRemark
Apr 23, 3:20 PM EDTHAIL 1Darien, GAA 911 CALL CENTER REPORTED QUARTER-SIZED HAIL.
Apr 23, 3:45 PM EDTMARINE TSTM WIND 445 Se Valona, GATHE NOAA SAPELO ISLAND NERRS SITE MEASURED A MAXIMUM WIND GUST OF 38 KNOTS.

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.

IssuedProductOfficeLasted
Apr 23, 10:52 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 7.0 hours before the alert went out and 99 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, Jacksonville, FL at 12:00Z on 2020-04-23Temperature 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, Jacksonville, FL at 12:00Z on 2020-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
1362 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

363 
WFUS52 KCHS 231859
TORCHS
GAC191-231945-
/O.NEW.KCHS.TO.W.0016.200423T1859Z-200423T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
259 PM EDT Thu Apr 23 2020

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  McIntosh County in southeastern Georgia...

* Until 345 PM EDT.
    
* At 259 PM EDT, a confirmed large and extremely dangerous tornado
  was located over Thalmann, moving east at 50 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Darien, Wolf Island, Carnigan, Sapelo Island, Little Saint Simons
  Island, Ridgeville and Meridian.

This warning includes I-95 in Georgia between mile markers 50 and 52.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3129 8142 3130 8142 3132 8144 3133 8144
      3133 8145 3135 8152 3142 8160 3148 8117
      3140 8123 3137 8122 3135 8124 3131 8122
      3129 8123
TIME...MOT...LOC 1859Z 259DEG 45KT 3129 8169 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$
3 follow-up statements
207 
WWUS52 KCHS 231916
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
316 PM EDT Thu Apr 23 2020

GAC191-231945-
/O.CON.KCHS.TO.W.0016.000000T0000Z-200423T1945Z/
McIntosh GA-
316 PM EDT Thu Apr 23 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR MCINTOSH
COUNTY...
    
At 314 PM EDT, a large and extremely dangerous tornado was located
just southwest of Darien, moving east at 45 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar indicated rotation. At Glynn County emergency 
         management reported a tornado east of Waynesville.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Darien, Wolf Island, Carnigan, Sapelo Island, Little Saint Simons
Island, Ridgeville and Meridian.

This warning includes I-95 in Georgia between mile markers 50 and 52.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3129 8142 3130 8142 3132 8144 3133 8144
      3135 8152 3142 8160 3148 8117 3140 8123
      3137 8122 3135 8124 3131 8122 3129 8123
TIME...MOT...LOC 1914Z 254DEG 38KT 3134 8150 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$
572 
WWUS52 KCHS 231928
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
328 PM EDT Thu Apr 23 2020

GAC191-231945-
/O.CON.KCHS.TO.W.0016.000000T0000Z-200423T1945Z/
McIntosh GA-
328 PM EDT Thu Apr 23 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR MCINTOSH
COUNTY...
    
At 328 PM EDT, a large and extremely dangerous tornado was located
over Wolf Island, moving east at 40 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar indicated rotation.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Sapelo Island, Little Saint Simons Island, Wolf Island, Meridian and
Carnigan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To protect your life, 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 3129 8136 3130 8137 3129 8140 3142 8140
      3142 8141 3143 8140 3145 8140 3148 8118
      3140 8123 3137 8122 3135 8124 3131 8122
      3129 8123
TIME...MOT...LOC 1928Z 263DEG 36KT 3136 8133 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$
964 
WWUS52 KCHS 231943
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
343 PM EDT Thu Apr 23 2020

GAC191-231952-
/O.EXP.KCHS.TO.W.0016.000000T0000Z-200423T1945Z/
McIntosh GA-
343 PM EDT Thu Apr 23 2020

...THE TORNADO WARNING FOR MCINTOSH COUNTY WILL EXPIRE AT 345 PM
EDT...
    
The tornado threat has diminished and the Tornado Warning has been 
allowed to expire. However, large hail and damaging winds remain 
likely and a Severe Thunderstorm Warning remains in effect for the 
area.

Remember, a Severe Thunderstorm Warning still remains in effect for
for McIntosh County until 430 PM.

LAT...LON 3129 8136 3130 8137 3129 8140 3142 8140
      3142 8141 3143 8140 3145 8140 3148 8118
      3140 8123 3137 8122 3135 8124 3131 8122
      3129 8123
TIME...MOT...LOC 1942Z 259DEG 45KT 3139 8114 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 2:01 PM EDTSpecial Weather StatementCHSScreven29 min
Apr 23, 2:40 PM EDTSevere Thunderstorm WarningCHSLiberty, McIntosh65 min
Apr 23, 3:37 PM EDTSevere Thunderstorm WarningCHSLiberty, McIntosh24 min
Apr 23, 3:40 PM EDTSpecial Weather StatementCHSEffingham35 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.