Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 47, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 2, 2021, 5:11 PM EDT for Liberty County, McIntosh County, Georgia. It was in force for 37 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
- Aug 2, 2021, 5:11 PM EDT (21:11 UTC)
- Expired
- Aug 2, 2021, 5:48 PM EDT
- In force
- 37 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Liberty County, GA, McIntosh County, GA
The radar
The Jacksonville radar (KJAX), 122 km from the middle of the area, began a volume at 21:11 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
Jacksonville, FL (KJAX), launched 12:00Z, 9.2 hours before the alert went out and 120 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
- 1472 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 815 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
417
WUUS52 KCHS 022111
SVRCHS
GAC179-191-022215-
/O.NEW.KCHS.SV.W.0047.210802T2111Z-210802T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
511 PM EDT Mon Aug 2 2021
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Liberty County in southeastern Georgia...
McIntosh County in southeastern Georgia...
* Until 615 PM EDT.
* At 511 PM EDT, severe thunderstorms were located along a line
extending from St. Catherines Island to near Harris Neck, moving
east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
* Locations impacted include...
Blackbeard Island and St. Catherines Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3129 8125 3135 8125 3173 8120 3171 8117
3171 8113 3173 8111 3171 8110 3162 8110
3140 8122 3137 8122 3134 8124 3131 8122
3129 8123
TIME...MOT...LOC 2111Z 290DEG 15KT 3167 8113 3165 8121
HAIL...<.75IN
WIND...60MPH
$$3 follow-up statements
897
WWUS52 KCHS 022122
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
522 PM EDT Mon Aug 2 2021
GAC179-191-022215-
/O.CON.KCHS.SV.W.0047.000000T0000Z-210802T2215Z/
Liberty GA-McIntosh GA-
522 PM EDT Mon Aug 2 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR LIBERTY AND MCINTOSH COUNTIES...
At 522 PM EDT, severe thunderstorms were located along a line
extending from 10 miles east of Harris Neck to near St. Catherines
Island, moving southeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
Locations impacted include...
Blackbeard Island and St. Catherines Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3129 8125 3135 8125 3166 8120 3168 8119
3171 8110 3161 8110 3140 8122 3137 8122
3134 8124 3131 8122 3129 8123
TIME...MOT...LOC 2122Z 314DEG 12KT 3165 8109 3163 8116
HAIL...<.75IN
WIND...60MPH
$$606
WWUS52 KCHS 022139
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
539 PM EDT Mon Aug 2 2021
GAC179-022149-
/O.CAN.KCHS.SV.W.0047.000000T0000Z-210802T2215Z/
Liberty GA-
539 PM EDT Mon Aug 2 2021
...THE SEVERE THUNDERSTORM WARNING FOR LIBERTY COUNTY IS CANCELLED...
The immediate risk for severe weather has ended.
LAT...LON 3129 8125 3135 8125 3152 8123 3154 8120
3153 8118 3154 8117 3153 8115 3140 8122
3137 8122 3135 8124 3131 8122 3129 8123
TIME...MOT...LOC 2139Z 303DEG 9KT 3152 8119 3147 8125
$$
GAC191-022215-
/O.CON.KCHS.SV.W.0047.000000T0000Z-210802T2215Z/
McIntosh GA-
539 PM EDT Mon Aug 2 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR MCINTOSH COUNTY...
At 539 PM EDT, severe thunderstorms were located along a line
extending from Blackbeard Island to near Sapelo Island, moving
southeast at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
Locations impacted include...
Blackbeard Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3129 8125 3135 8125 3152 8123 3154 8120
3153 8118 3154 8117 3153 8115 3140 8122
3137 8122 3135 8124 3131 8122 3129 8123
TIME...MOT...LOC 2139Z 303DEG 9KT 3152 8119 3147 8125
HAIL...<.75IN
WIND...60MPH
$$724
WWUS52 KCHS 022148
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
548 PM EDT Mon Aug 2 2021
GAC191-022158-
/O.CAN.KCHS.SV.W.0047.000000T0000Z-210802T2215Z/
McIntosh GA-
548 PM EDT Mon Aug 2 2021
...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF MCINTOSH COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore the warning has been cancelled.
LAT...LON 3129 8125 3135 8125 3152 8123 3154 8120
3153 8118 3154 8117 3153 8115 3140 8122
3137 8122 3135 8124 3131 8122 3129 8123
TIME...MOT...LOC 2146Z 290DEG 15KT 3151 8116 3146 8122
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:54 PM EDT | Special Weather Statement | CHS | Liberty | 36 min |
| Aug 2, 4:02 PM EDT | Special Weather Statement | CHS | McIntosh | 28 min |
| Aug 2, 4:29 PM EDT | Special Weather Statement | CHS | Liberty | 31 min |
| Aug 2, 4:58 PM EDT | Special Weather Statement | CHS | McIntosh | 32 min |
| Aug 2, 5:35 PM EDT | Areal Flood Advisory | CHS | Bryan, Liberty | 55 min |
| Aug 2, 5:46 PM EDT | Areal Flood Advisory | CHS | Chatham | 89 min |
| Aug 2, 6:43 PM EDT | Special Weather Statement | CHS | Effingham | 32 min |
| Aug 2, 7:05 PM EDT | Areal Flood Advisory | CHS | Bulloch, Candler, Tattnall | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.