Alert archive / Georgia / Tornado Warnings in 2021
Tornado Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Mar 18, 2021, 2:55 PM EDT for Bryan County, Chatham County, Georgia; Jasper County, South Carolina. It was in force for 21 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
- Mar 18, 2021, 2:55 PM EDT (18:55 UTC)
- Expired
- Mar 18, 2021, 3:16 PM EDT
- In force
- 21 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Bryan County, GA, Chatham County, GA, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 71 km from the middle of the area, began a volume at 18:54 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 |
|---|---|---|---|
| Mar 18, 11:42 AM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 6.9 hours before the alert went out and 151 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
- 219 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
425
WFUS52 KCHS 181855
TORCHS
GAC029-051-SCC053-181930-
/O.NEW.KCHS.TO.W.0002.210318T1855Z-210318T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
255 PM EDT Thu Mar 18 2021
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Bryan County in southeastern Georgia...
Chatham County in southeastern Georgia...
Jasper County in southeastern South Carolina...
* Until 330 PM EDT.
* At 255 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Burroughs, moving northeast at 25 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...
Pooler, Richmond Hill, Windsor Forest, I-16/I-95 Interchange,
Hunter Army Airfield, Downtown Savannah, Godley Station, Savannah
International Airport, Midtown Savannah, Garden City, Port
Wentworth, Bloomingdale, Thunderbolt, Savannah Historic District
and Whitemarsh Island.
This warning includes...
I-16 between mile markers 153 and 168.
I-516 between mile markers 3 and 9.
I-95 in Georgia between mile markers 91 and 111.
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 3192 8131 3206 8139 3223 8118 3204 8098
TIME...MOT...LOC 1855Z 237DEG 23KT 3202 8132
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
RFM1 follow-up statement
999
WWUS52 KCHS 181916
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
316 PM EDT Thu Mar 18 2021
GAC029-051-SCC053-181926-
/O.CAN.KCHS.TO.W.0002.000000T0000Z-210318T1930Z/
Bryan GA-Chatham GA-Jasper SC-
316 PM EDT Thu Mar 18 2021
...THE TORNADO WARNING FOR BRYAN...CHATHAM AND JASPER COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 3192 8131 3206 8139 3223 8118 3204 8098
TIME...MOT...LOC 1913Z 237DEG 23KT 3209 8119
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 1:47 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty, Long, Tattnall | 43 min |
| Mar 18, 6:11 AM EDT | Marine Dense Fog Advisory | CHS | 4 hr | |
| Mar 18, 4:08 PM EDT | Areal Flood Advisory | CHS | Charleston | 52 min |
| Mar 18, 4:36 PM EDT | Special Marine Warning | CHS | 54 min | |
| Mar 18, 5:30 PM EDT | Special Marine Warning | CHS | 60 min | |
| Mar 18, 5:33 PM EDT | Special Marine Warning | CHS | 24 min | |
| Mar 18, 6:26 PM EDT | Special Marine Warning | CHS | 64 min |
Nearby
Tornado Warnings in Georgia, 2021Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes in 2021
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.