Alert archive / Georgia / Tornado Warnings in 2018
Tornado Warning 3, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Mar 20, 2018, 3:07 PM EDT for Liberty County, McIntosh County, Georgia. It was in force for 38 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
- Mar 20, 2018, 3:07 PM EDT (19:07 UTC)
- Expired
- Mar 20, 2018, 3:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Liberty County, GA, McIntosh County, GA
The radar
The Jacksonville radar (KJAX), 120 km from the middle of the area, began a volume at 19:10 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 |
|---|---|---|---|
| Mar 20, 3:10 PM EDT | HAIL 0.75 | 2 Nw Townsend, GA | PENNY SIZE HAIL REPORTED BY TOWNSEND BOMBING RANGE. TIME ESTIMATED BY RADAR. |
| Mar 20, 3:45 PM EDT | MARINE TSTM WIND 48 | 5 Se Valona, GA | THE SAPELO ISLAND NERRS SITE MEASURED A 41 KNOT WIND GUST. |
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 |
|---|---|---|---|
| Mar 20, 12:43 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.1 hours before the alert went out and 118 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.
- Mixed-layer CAPE
- 1315 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 494 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 8.3
The text
As transmitted.
740
WFUS52 KCHS 201907
TORCHS
GAC179-191-201945-
/O.NEW.KCHS.TO.W.0003.180320T1907Z-180320T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
307 PM EDT TUE MAR 20 2018
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Liberty County in southeastern Georgia...
McIntosh County in southeastern Georgia...
* Until 345 PM EDT
* At 306 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Gardi, moving east at 55 mph.
HAZARD...Tornado and ping pong ball 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...
Darien, Harris Neck, St. Catherines Island, Eulonia, Valona, Cox,
Meridian and Townsend.
This warning includes I-95 in Georgia between mile markers 48 and 66.
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 3143 8161 3145 8162 3147 8161 3152 8167
3154 8166 3159 8156 3167 8126 3166 8124
3167 8125 3171 8110 3162 8110 3140 8123
3135 8152
TIME...MOT...LOC 1906Z 255DEG 47KT 3146 8168
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$3 follow-up statements
532
WWUS52 KCHS 201919
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
319 PM EDT TUE MAR 20 2018
GAC179-191-201945-
/O.CON.KCHS.TO.W.0003.000000T0000Z-180320T1945Z/
Liberty GA-McIntosh GA-
319 PM EDT TUE MAR 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR LIBERTY
AND MCINTOSH COUNTIES...
At 319 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles north of Darien, moving east at 55 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Harris Neck, St. Catherines Island, Eulonia, Valona, Meridian,
Townsend, Crescent and Carnigan.
This warning includes I-95 in Georgia between mile markers 51 and 64.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3144 8151 3155 8153 3158 8148 3167 8126
3166 8126 3166 8123 3167 8125 3167 8120
3168 8121 3171 8110 3162 8110 3140 8123
3138 8138
TIME...MOT...LOC 1919Z 256DEG 48KT 3150 8146
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$164
WWUS52 KCHS 201934
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
334 PM EDT TUE MAR 20 2018
GAC179-191-201945-
/O.CON.KCHS.TO.W.0003.000000T0000Z-180320T1945Z/
Liberty GA-McIntosh GA-
334 PM EDT TUE MAR 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR LIBERTY
AND MCINTOSH COUNTIES...
At 334 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles northeast of Darien, moving east at 45 mph.
HAZARD...Tornado and ping pong ball 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...
Blackbeard Island, Valona and Sapelo Island.
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 3142 8131 3146 8137 3155 8135 3159 8129
3161 8124 3163 8122 3164 8119 3164 8114
3162 8110 3140 8123
TIME...MOT...LOC 1934Z 256DEG 37KT 3149 8129
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$759
WWUS52 KCHS 201944
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
344 PM EDT TUE MAR 20 2018
GAC179-191-201954-
/O.EXP.KCHS.TO.W.0003.000000T0000Z-180320T1945Z/
Liberty GA-McIntosh GA-
344 PM EDT TUE MAR 20 2018
...THE TORNADO WARNING FOR LIBERTY AND MCINTOSH COUNTIES WILL EXPIRE
AT 345 PM EDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Charleston.
LAT...LON 3142 8131 3146 8137 3155 8135 3159 8129
3161 8124 3163 8122 3164 8119 3164 8114
3162 8110 3140 8123
TIME...MOT...LOC 1944Z 255DEG 47KT 3152 8117
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 8:35 PM EDT | Special Weather Statement | CHS | McIntosh | 25 min |
| Mar 20, 2:50 AM EDT | Severe Thunderstorm Warning | CHS | Jenkins, Screven | 55 min |
| Mar 20, 3:53 AM EDT | Special Weather Statement | CHS | Jenkins, Screven | 37 min |
| Mar 20, 4:15 AM EDT | Special Weather Statement | CHS | Effingham | 30 min |
| Mar 20, 4:42 AM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Jenkins, Screven | 48 min |
| Mar 20, 2:28 PM EDT | Severe Thunderstorm Warning | CHS | Chatham | 62 min |
| Mar 20, 3:02 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, McIntosh | 58 min |
| Mar 20, 4:43 PM EDT | Special Weather Statement | CHS | McIntosh | 32 min |
Nearby
Tornado Warnings in Georgia, 2018Every tornado warning in 2018Tornadoes in 2018
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.