Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Apr 24, 2021, 1:29 PM EDT for 4 counties in Georgia. It was in force for 61 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 24, 2021, 1:29 PM EDT (17:29 UTC)
- Expired
- Apr 24, 2021, 2:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bryan County, GA, Chatham County, GA, Liberty County, GA, McIntosh County, GA
The radar
The Jacksonville radar (KJAX), 121 km from the middle of the area, began a volume at 17:28 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 24, 1:30 PM EDT | TSTM WND DMG | 1 Nne South Newport, GA | LIBERTY CO WARNING POINT RELAYED A REPORT OF A TREE DOWN AT S COASTAL HWY AND MONTAGUE ST. TIME ESTIMATED FROM REPORT TIME AND RADAR. |
| Apr 24, 1:33 PM EDT | TSTM WND DMG | 4 N Shellman Bluff, GA | SOCIAL MEDIA REPORT OF TREES DOWN ALONG HARRIS NECK ROAD. TIME ESTIMATED FROM 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 24, 10:35 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 5.5 hours before the alert went out and 119 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
841
WUUS52 KCHS 241729
SVRCHS
GAC029-051-179-191-241830-
/O.NEW.KCHS.SV.W.0015.210424T1729Z-210424T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
129 PM EDT Sat Apr 24 2021
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Bryan County in southeastern Georgia...
Liberty County in southeastern Georgia...
McIntosh County in southeastern Georgia...
Chatham County in southeastern Georgia...
* Until 230 PM EDT.
* At 128 PM EDT, severe thunderstorms were located along a line
extending from Hunter Army Airfield to near Retreat to near
Everett, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
* Locations impacted include...
Darien, Midtown Savannah, Coffee Bluff, Hunter Army Airfield,
Wilmington Island, Jones, Montgomery, Vernonburg, Harris Neck,
Eulonia, Valona, South Newport, Isle Of Hope, Sunbury and Belfast.
This warning includes I-95 in Georgia between mile markers 47 and 74.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3129 8135 3145 8162 3147 8161 3149 8164
3168 8143 3202 8117 3196 8083 3171 8110
3162 8110 3140 8122 3137 8122 3135 8124
3131 8122 3129 8123
TIME...MOT...LOC 1728Z 262DEG 33KT 3202 8116 3170 8136 3145 8166
HAIL...0.75IN
WIND...60MPH
$$
RFM1 follow-up statement
667
WWUS52 KCHS 241821
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
221 PM EDT Sat Apr 24 2021
GAC029-051-179-191-241831-
/O.EXP.KCHS.SV.W.0015.000000T0000Z-210424T1830Z/
Bryan GA-Liberty GA-McIntosh GA-Chatham GA-
221 PM EDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR BRYAN...LIBERTY...MCINTOSH AND
CHATHAM COUNTIES WILL EXPIRE AT 230 PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.
LAT...LON 3129 8135 3145 8162 3147 8161 3149 8164
3168 8143 3202 8117 3196 8083 3171 8110
3162 8110 3140 8122 3137 8122 3135 8124
3131 8122 3129 8123
TIME...MOT...LOC 1821Z 262DEG 33KT 3208 8062 3176 8082 3151 8113
$$
RFMThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 12:16 PM EDT | Special Weather Statement | CHS | Evans, Long, Tattnall | 29 min |
| Apr 24, 12:44 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, McIntosh | 61 min |
| Apr 24, 12:45 PM EDT | Special Weather Statement | CHS | Bryan | 45 min |
| Apr 24, 7:25 PM EDT | Areal Flood Advisory | CHS | Liberty, Long, McIntosh, Tattnall | 95 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.