Alert archive / South Carolina / Special Marine Warnings in 2021

Special Marine Warning 77, NWS Charleston, SC

August 2, 2021

NWS Charleston, SC issued this special marine warning at Aug 2, 2021, 1:10 AM EDT. It was in force for 95 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: Aug 2, 2021, 1:10 AM EDT (05:10 UTC)
Expired: Aug 2, 2021, 2:45 AM EDT
In force: 95 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.0 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at Aug 2, 12:41 AM EDT, 29 minutes earlier.

Area forecast discussion, Aug 2, 12:41 AM EDT, 29 minutes before

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Hazardous weather outlook, Aug 1, 10:07 PM EDT, 3 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Charleston SC
1007 PM EDT Sun Aug 1 2021

SCZ043>045-049-050-052-030215-
Inland Colleton-Dorchester-Inland Berkeley-Coastal Colleton-
Charleston-Tidal Berkeley-
1007 PM EDT Sun Aug 1 2021

This Hazardous Weather Outlook is for southeast South Carolina.

.DAY ONE...Tonight.

Severe Thunderstorms: Scattered thunderstorms will impact the area
the first part of tonight. Isolated severe thunderstorms with
damaging winds will be possible. In addition, intense, frequent
cloud-to-ground lightning could also occur. Take shelter if
thunderstorms approach.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Heavy Rainfall/Flooding: Unsettled weather will develop across the
area this week as a cold front stalls near the region. Periods of
locally heavy rainfall are likely with flooding possible, especially
in low-lying and poor drainage areas.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ330-350-352-030215-
Charleston Harbor-
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1007 PM EDT Sun Aug 1 2021

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

Strong Thunderstorms: A band of thunderstorms will track east across
the South Carolina tonight. These thunderstorms can produce strong
wind gusts and frequent cloud to surface lightning. Special Marine
Warnings might be issued.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-042-047-048-051-
030215-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans-
Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long-
Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh-
Allendale-Hampton-Inland Jasper-Beaufort-Coastal Jasper-
1007 PM EDT Sun Aug 1 2021

This Hazardous Weather Outlook is for Atlantic coastal waters,
southeast Georgia and southeast South Carolina.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Heavy Rainfall/Flooding: Unsettled weather will develop across the
area this week as a cold front stalls near the region. Periods of
locally heavy rainfall are likely with flooding possible, especially
in low-lying and poor drainage areas.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

In the hours before

Local storm report, Aug 1, 8:53 PM EDT, 4 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
853 PM EDT SUN AUG 01 2021

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

0525 PM     TSTM WND DMG     3 S RINCON              32.25N  81.24W
08/01/2021                   EFFINGHAM          GA   EMERGENCY MNGR

            A TREE FELL THROUGH A WINDOW OF A HOME ON EXLEY LOOP.
            ON DOGWOOD DRIVE, A TREE FELL ON A CARPORT CRUSHING A
            CAR, AND ANOTHER TREE FELL ON A HOME. DAMAGE WAS ALSO
            DONE TO A CANOPY ON OAK STREET.

&&

EVENT NUMBER CHS2100502

RFM

Special weather statement, Aug 1, 9:22 PM EDT, 3 hours 48 minutes before

Special Weather Statement
National Weather Service Charleston SC
922 PM EDT Sun Aug 1 2021

SCZ040-042-020145-
Allendale-Hampton-
922 PM EDT Sun Aug 1 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF HAMPTON AND ALLENDALE
COUNTIES...

At 922 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Barton, or near Allendale, moving east at 20
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...
Allendale, Hampton, Lake Warren State Park, Varnville, Fairfax,
Brunson, Gifford and Sycamore.

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 3300 8105 3296 8102 3273 8109 3290 8148
      3293 8149 3305 8143
TIME...MOT...LOC 0122Z 287DEG 19KT 3293 8131

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

Special weather statement, Aug 1, 10:09 PM EDT, 3 hours 1 minute before

Special Weather Statement
National Weather Service Charleston SC
1009 PM EDT Sun Aug 1 2021

SCZ045-020245-
Inland Berkeley-
1009 PM EDT Sun Aug 1 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY COUNTY...

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

At 1009 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm near Eadytown, or 17 miles north of Moncks
Corner, 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 this storm include...
Saint Stephen, Eadytown, Eastern Lake Marion and Northern Lake
Moultrie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on 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 3345 7988 3340 7985 3337 7980 3338 7979
      3333 7974 3337 8024 3338 8024 3339 8022
      3345 8022 3346 8015 3345 8014 3348 8015
      3350 8012 3350 8009 3351 8008 3351 7999
TIME...MOT...LOC 0209Z 270DEG 29KT 3344 8008

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

Special weather statement, Aug 1, 10:57 PM EDT, 2 hours 13 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
Aug 1, 9:22 PM EDT	Special Weather Statement	CHS	Allendale, Hampton	23 min
Aug 1, 10:09 PM EDT	Special Weather Statement	CHS	Berkeley	36 min
Aug 1, 10:57 PM EDT	Special Weather Statement	CHS	Berkeley	33 min
Aug 1, 11:32 PM EDT	Special Marine Warning	CHS		118 min
Aug 2, 3:48 PM EDT	Special Weather Statement	CHS	Charleston	27 min
Aug 2, 3:58 PM EDT	Special Marine Warning	CHS		78 min
Aug 2, 4:04 PM EDT	Special Marine Warning	CHS		86 min
Aug 2, 4:13 PM EDT	Special Weather Statement	CHS	Charleston	32 min
Aug 2, 4:33 PM EDT	Special Marine Warning	CHS		117 min
Aug 2, 4:47 PM EDT	Special Weather Statement	CHS	Charleston	28 min
Aug 2, 5:27 PM EDT	Special Marine Warning	CHS		93 min
Aug 2, 6:05 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston	85 min
Aug 2, 6:12 PM EDT	Special Marine Warning	CHS		93 min
Aug 2, 6:38 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Dorchester	97 min
Aug 2, 7:24 PM EDT	Special Weather Statement	CHS	Charleston	36 min
Aug 2, 7:27 PM EDT	Special Weather Statement	CHS	Jasper	33 min
Aug 2, 7:31 PM EDT	Special Weather Statement	CHS	Dorchester	29 min
Aug 2, 7:59 PM EDT	Special Weather Statement	CHS	Dorchester	31 min
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, 5:11 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, McIntosh	37 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

Special Marine Warnings in South Carolina, 2021 Every special marine 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.