Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 5, NWS Charleston, SC

January 4, 20235 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jan 4, 2023, 1:18 PM EST for 5 counties in Georgia. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 4, 2023, 1:18 PM EST (18:18 UTC)
Expired
Jan 4, 2023, 2:15 PM EST
In force
57 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, Long County, GA, McIntosh County, GA

The radar

The Charleston,SC radar (KCLX), 101 km from the middle of the area, began a volume at 18:16 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.

IssuedProductOfficeLasted
Jan 4, 8:36 AM ESTTornado WatchSPC9 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.3 hours before the alert went out and 148 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 2023-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2023-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.19395878Sfc1 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
430 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 4, 12:42 PM EST, 36 minutes earlier.

Area forecast discussion, Jan 4, 12:42 PM EST, 36 minutes before
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Hazardous weather outlook, Jan 4, 1:06 PM EST, 12 minutes before
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In the hours before

Special weather statement, Jan 4, 10:58 AM EST, 2 hours 20 minutes before
Special Weather Statement
National Weather Service Charleston SC
1058 AM EST Wed Jan 4 2023

GAZ088-100-101-SCZ040-042-047-041645-
Bulloch-Screven-Effingham-Allendale-Inland Jasper-Hampton-
1058 AM EST Wed Jan 4 2023

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SCREVEN, BULLOCH,
EFFINGHAM, HAMPTON, ALLENDALE AND JASPER COUNTIES...

At 1058 AM EST, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from 8 miles southeast of
Burtons Ferry Landing to Hunters to near Dover, and moving east at 35
mph.

HAZARD...strong winds 45 to 55 mph.

SOURCE...Radar Indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects.

Some locations in the path of these storms include...
Hampton, Lake Warren State Park, Varnville, Estill, Brunson, Gifford,
Newington and Oliver.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A severe thunderstorm watch is in effect. Thunderstorms can produce
large hail, damaging winds and isolated tornadoes suddenly, sometimes
with little or no warning. Be alert for rapidly changing weather
conditions and be ready to act quickly if severe weather is observed
or a warning is issued.

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3251 8178 3266 8165 3288 8142 3300 8105
      3296 8102 3290 8099 3266 8112 3248 8136
TIME...MOT...LOC 1558Z 268DEG 28KT 3285 8141 3266 8156 3253 8172

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
Local storm report, Jan 4, 11:00 AM EST, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1100 AM EST WED JAN 04 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1035 AM     TSTM WND GST     METTER AIRPORT          32.37N  82.08W
01/04/2023  M44 MPH          CANDLER            GA   AWOS

            A 44 MPH WIND GUST WAS MEASURED AT THE METTER MUNICIPAL
            AIRPORT (KMHP).

&&

EVENT NUMBER CHS2300001

BSH
Special weather statement, Jan 4, 11:49 AM EST, 1 hour 29 minutes before
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Special weather statement, Jan 4, 11:53 AM EST, 1 hour 25 minutes before
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Local storm report, Jan 4, 11:59 AM EST, 1 hour 19 minutes before
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Local storm report, Jan 4, 12:25 PM EST, 53 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 3:04 AM ESTSmall Craft AdvisoryCHS22 hr
Jan 4, 6:11 AM ESTMarine Dense Fog AdvisoryCHS12 hr
Jan 4, 10:20 AM ESTSevere Thunderstorm WarningCHSAllendale, Hampton55 min
Jan 4, 10:58 AM ESTSpecial Weather StatementCHSColleton47 min
Jan 4, 10:58 AM ESTSpecial Weather StatementCHSHampton47 min
Jan 4, 11:08 AM ESTSevere Thunderstorm WarningCHSAllendale, Hampton30 min
Jan 4, 11:19 AM ESTSevere Thunderstorm WarningCHSHampton, Jasper41 min
Jan 4, 11:31 AM ESTTornado WarningCHSHampton, Jasper16 min
Jan 4, 11:34 AM ESTSevere Thunderstorm WarningCHSColleton, Dorchester41 min
Jan 4, 11:49 AM ESTSpecial Weather StatementCHSBerkeley41 min
Jan 4, 11:53 AM ESTSpecial Weather StatementCHSColleton, Jasper37 min
Jan 4, 12:19 PM ESTSpecial Marine WarningCHS74 min
Jan 4, 12:23 PM ESTSpecial Marine WarningCHS107 min
Jan 4, 3:18 PM ESTSpecial Marine WarningCHS42 min
Jan 4, 9:47 AM ESTSpecial Weather StatementCHSCandler, Jenkins, Tattnall43 min
Jan 4, 10:56 AM ESTSpecial Weather StatementCHSBulloch, Evans, Tattnall49 min
Jan 4, 2:14 PM ESTSpecial Weather StatementCHSMcIntosh31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2023Every severe thunderstorm warning in 2023

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.