Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, SC

June 19, 2021Tattnall County, Georgia

NWS Charleston, SC issued this special weather statement at Jun 19, 2021, 7:31 PM EDT for Tattnall County, Georgia. It was in force for 29 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: Jun 19, 2021, 7:31 PM EDT (23:31 UTC)
Expired: Jun 19, 2021, 8:00 PM EDT
In force: 29 min
Issued by: NWS Charleston, SC
Hail: 0.00 in
Wind: 55

County Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 130 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 464 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 19, 5:50 PM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jun 19, 5:50 PM EDT, 1 hour 41 minutes before

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Hazardous weather outlook, Jun 19, 5:55 PM EDT, 1 hour 36 minutes before

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In the hours before

Special weather statement, Jun 19, 2:13 PM EDT, 5 hours 18 minutes before

Special Weather Statement
National Weather Service Charleston SC
213 PM EDT Sat Jun 19 2021

SCZ043-044-049-050-191845-
Coastal Colleton-Charleston-Inland Colleton-Dorchester-
213 PM EDT Sat Jun 19 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON, COLLETON
AND DORCHESTER COUNTIES...

At 212 PM EDT, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from near Ritter to near
Edisto Island, and moving northeast at 25 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...
Edisto Beach, Johns Island, Hollywood, Folly Beach, Ravenel, Seabrook
Island, Kiawah Island and Meggett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3257 8002 3252 8015 3253 8021 3247 8029
      3279 8079 3293 8044 3261 7995
TIME...MOT...LOC 1812Z 242DEG 22KT 3277 8066 3252 8024

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Special weather statement, Jun 19, 3:05 PM EDT, 4 hours 26 minutes before

Special Weather Statement
National Weather Service Charleston SC
305 PM EDT Sat Jun 19 2021

SCZ044-045-050-052-191930-
Inland Berkeley-Tidal Berkeley-Charleston-Dorchester-
305 PM EDT Sat Jun 19 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON, BERKELEY
AND DORCHESTER COUNTIES...

At 305 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over North Charleston, moving northeast at 40
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 this storm include...
North Charleston, Mount Pleasant, Summerville, Goose Creek, Hanahan,
Naval Weapons Station Charleston, West Ashley and Ladson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3278 8006 3298 8031 3320 7991 3299 7964
TIME...MOT...LOC 1905Z 235DEG 35KT 3292 8008

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Special weather statement, Jun 19, 3:16 PM EDT, 4 hours 15 minutes before

Special Weather Statement
National Weather Service Charleston SC
316 PM EDT Sat Jun 19 2021

SCZ043>045-191945-
Inland Berkeley-Inland Colleton-Dorchester-
316 PM EDT Sat Jun 19 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF COLLETON, BERKELEY
AND DORCHESTER COUNTIES...

At 316 PM EDT, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from near Reevesville to
near Givhans, and moving northeast at 25 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...
Summerville, Moncks Corner, Saint George, Givhans Ferry State Park,
Dorchester, Ridgeville, Harleyville and Reevesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3317 7996 3295 8034 3320 8075 3333 8051
      3333 8050 3328 8049 3326 8043 3327 8039
      3326 8036 3328 8035 3327 8030 3330 8025
      3336 8024
TIME...MOT...LOC 1916Z 222DEG 23KT 3321 8073 3294 8032

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

MTE

Special weather statement, Jun 19, 3:43 PM EDT, 3 hours 48 minutes before

Special Weather Statement
National Weather Service Charleston SC
343 PM EDT Sat Jun 19 2021

SCZ044-045-192015-
Inland Berkeley-Dorchester-
343 PM EDT Sat Jun 19 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY AND
DORCHESTER COUNTIES...

...MARINERS ON LAKE MOULTRIE AND EASTERN LAKE MARION SHOULD SEEK SAFE
HARBOR...

At 343 PM EDT, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from near Harleyville to
near Sangaree, and moving northeast at 30 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...
Moncks Corner, Harleyville, Bonneau, Southern Lake Moultrie,
Eadytown, Cross, Northern Lake Moultrie and Bonneau Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on Lake Moultrie and the eastern portions of Lake Marion
should seek safe harbor immediately. If caught on the open water,
stay as low as possible and wear a personal flotation device.
Remember, if you can hear thunder you are at risk for being struck by
lightning.

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 3332 7978 3305 8010 3323 8051 3327 8047
      3326 8043 3326 8036 3328 8035 3327 8030
      3330 8025 3338 8024 3339 8022 3345 8022
      3346 8015 3345 8014 3348 8015
TIME...MOT...LOC 1943Z 234DEG 27KT 3323 8038 3311 8010

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

MTE

Special weather statement, Jun 19, 7:31 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 2:13 PM EDT	Special Weather Statement	CHS	Colleton	32 min
Jun 19, 3:05 PM EDT	Special Weather Statement	CHS	Charleston	25 min
Jun 19, 3:16 PM EDT	Special Weather Statement	CHS	Dorchester	29 min
Jun 19, 3:43 PM EDT	Special Weather Statement	CHS	Berkeley	32 min
Jun 19, 5:21 PM EDT	Gale Watch	CHS		18 hr
Jun 19, 5:21 PM EDT	Small Craft Advisory	CHS		3 days
Jun 19, 7:57 PM EDT	Special Weather Statement	CHS	Tattnall	33 min

Nearby

Special Weather Statements in Georgia, 2021 Every special weather statement 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.