Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, SC

July 15, 2017Berkeley County, South Carolina

NWS Charleston, SC issued this special weather statement at Jul 15, 2017, 4:10 PM EDT for Berkeley County, South Carolina. It was in force for 35 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: Jul 15, 2017, 4:10 PM EDT (20:10 UTC)
Expired: Jul 15, 2017, 4:45 PM EDT
In force: 35 min
Issued by: NWS Charleston, SC

County Berkeley County, SC

The radar

The Columbia radar (KCAE), 112 km from the middle of the area, began a volume at 20:12 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 hours before the alert went out and 58 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: 692 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 1147 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 28 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 Jul 15, 1:53 PM EDT, 2 hours 17 minutes earlier.

Area forecast discussion, Jul 15, 1:53 PM EDT, 2 hours 17 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 15, 3:40 PM EDT, 30 minutes before

Hazardous Weather Outlook
National Weather Service Charleston SC
340 PM EDT Sat Jul 15 2017

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-161945-
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 Colleton-Dorchester-Inland Berkeley-
Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper-
Tidal Berkeley-
340 PM EDT Sat Jul 15 2017

This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Severe thunderstorms and heavy rain: Numerous thunderstorms are
expected Sunday, especially from late morning into the evening.
Isolated thunderstorms could briefly become severe with damaging wind
gusts. Also, some thunderstorms will produce very heavy rain, and
localized flooding is possible.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ330-350-352-354-374-161945-
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-
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 extending from 20 to
60 nm-
340 PM EDT Sat Jul 15 2017

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Strong thunderstorms: Thunderstorms will impact coastal waters Sunday
into Monday. Some thunderstorms could produce hazardous conditions
for small craft, including strong wind gusts, rough seas, frequent
cloud to water lightning and poor visibility in heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

In the hours before

Special weather statement, Jul 15, 1:17 PM EDT, 2 hours 53 minutes before

Special Weather Statement
National Weather Service Charleston SC
117 PM EDT SAT JUL 15 2017

GAZ099-114-151745-
Candler-Tattnall-
117 PM EDT SAT JUL 15 2017

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CANDLER AND TATTNALL
COUNTIES...

At 117 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Aline, or 7 miles southwest of Metter,
moving east at 10 mph.

  HAZARD...strong winds 45 to 55 mph.

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

Some locations in the path of this storm include...
Metter, Cobbtown and Aline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3242 8218 3238 8197 3219 8208 3224 8221
      3228 8223
TIME...MOT...LOC 1717Z 280DEG 8KT 3232 8217

Special weather statement, Jul 15, 2:45 PM EDT, 1 hour 25 minutes before

Special Weather Statement
National Weather Service Charleston SC
245 PM EDT SAT JUL 15 2017

GAZ116-151900-
Inland Bryan-
245 PM EDT SAT JUL 15 2017

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

At 244 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm near Ellabell, or 10 miles southeast of Pembroke,
moving south at 10 mph.

  HAZARD...strong winds 45 to 55 mph and up to nickel sized hail.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light, unsecured objects. Minor hail damage to plants,
           trees and crops is possible. Damage to windshields is
           unlikely.

Some locations in the path of this storm include...
Lanier and Ellabell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify. Be certain to monitor local radio and TV
stations as well as local cable TV outlets for additional information
and possible warnings from the National Weather Service.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3213 8156 3214 8141 3195 8139 3201 8155
TIME...MOT...LOC 1844Z 355DEG 9KT 3207 8147

NED

Special weather statement, Jul 15, 3:01 PM EDT, 1 hour 9 minutes before

Special Weather Statement
National Weather Service Charleston SC
301 PM EDT SAT JUL 15 2017

GAZ116-151915-
Inland Bryan-
301 PM EDT SAT JUL 15 2017

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

At 301 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm 7 miles south of Ellabell, or 11 miles southeast
of Pembroke, moving south at 15 mph.

  HAZARD...strong winds 45 to 55 mph, up to penny sized hail and
           excessive cloud to ground lightning.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light, unsecured objects. Minor hail damage to plants,
           trees and crops is possible. Damage to windshields is
           unlikely. All outdoor activities should cease. Move
           indoors immediately.

This storm will remain over mainly rural areas of Bryan County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify. Be certain to monitor local radio and TV
stations as well as local cable TV outlets for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3211 8151 3211 8141 3196 8145 3196 8147
      3197 8148 3197 8149 3199 8158
TIME...MOT...LOC 1901Z 008DEG 13KT 3202 8149

NED

Special weather statement, Jul 15, 3:15 PM EDT, 55 minutes before

Special Weather Statement
National Weather Service Charleston SC
315 PM EDT SAT JUL 15 2017

GAZ117>119-151945-
Coastal Chatham-Inland Chatham-Coastal Bryan-
315 PM EDT SAT JUL 15 2017

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BRYAN AND CHATHAM
COUNTIES...

At 315 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Vernonburg, or near Savannah, moving south
at 5 mph.

  HAZARD...strong winds 45 to 55 mph, up to nickel sized hail and
           excessive cloud to ground lightning.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light, unsecured objects. Minor hail damage to plants,
           trees and crops is possible. Damage to windshields is
           unlikely. All outdoor activities should cease. Move
           indoors immediately.

Some locations in the path of this storm include...
Savannah, Wilmington Island, Montgomery, Thunderbolt, Vernonburg,
Skidaway Island, Sandfly and White Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify. Be certain to monitor local radio and TV
stations as well as local cable TV outlets for additional information
and possible warnings from the National Weather Service.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3206 8111 3205 8100 3198 8095 3182 8107
      3192 8123
TIME...MOT...LOC 1915Z 010DEG 6KT 3197 8109

NED

Special weather statement, Jul 15, 3:23 PM EDT, 47 minutes before

Special Weather Statement
National Weather Service Charleston SC
323 PM EDT SAT JUL 15 2017

GAZ114-137-152000-
Tattnall-Long-
323 PM EDT SAT JUL 15 2017

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF LONG AND TATTNALL
COUNTIES...

At 323 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Glennville, or 17 miles southeast of
Reidsville, moving south at 5 mph.

  HAZARD...strong winds 45 to 55 mph and up to nickel sized hail.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light, unsecured objects. Minor hail damage to plants,
           trees and crops is possible. Damage to windshields is
           unlikely.

Some locations in the path of this storm include...
Glennville and Mendes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify. Be certain to monitor local radio and TV
stations as well as local cable TV outlets for additional information
and possible warnings from the National Weather Service.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3202 8198 3195 8181 3175 8190 3178 8195
      3179 8195 3179 8196 3186 8208
TIME...MOT...LOC 1923Z 010DEG 6KT 3190 8193

NED

Special weather statement, Jul 15, 4:10 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Charleston SC
410 PM EDT SAT JUL 15 2017

SCZ045-152045-
Inland Berkeley-
410 PM EDT SAT JUL 15 2017

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

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

At 410 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Eadytown, or 16 miles northwest of Moncks
Corner, moving east at 35 mph.

  HAZARD...strong winds 45 to 55 mph and up to penny sized hail.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light, unsecured objects. Minor hail damage to plants,
           trees and crops is possible. Damage to windshields is
           unlikely.

Some locations in the path of this storm include...
St. Stephen, Bonneau, Southern Lake Moultrie, Eadytown, Cross,
Northern Lake Moultrie, Bonneau Beach and Eastern Lake Marion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on Lake Moultrie and Eastern 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.

This storm may intensify. Be certain to monitor local radio and TV
stations as well as local cable TV outlets for additional information
and possible warnings from the National Weather Service.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3343 7987 3341 7986 3322 7997 3331 8025
      3344 8022 3346 8016 3345 8016 3345 8015
      3346 8015 3345 8014 3348 8015 3349 8012
TIME...MOT...LOC 2010Z 289DEG 29KT 3340 8016

NED

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 4:45 PM EDT	Special Weather Statement	CHS	Berkeley	30 min
Jul 15, 5:01 PM EDT	Special Weather Statement	CHS	Berkeley	29 min
Jul 15, 5:04 PM EDT	Special Weather Statement	CHS	Colleton	26 min
Jul 15, 5:15 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	60 min
Jul 15, 5:27 PM EDT	Special Weather Statement	CHS	Berkeley	33 min
Jul 15, 6:23 PM EDT	Special Weather Statement	CHS	Charleston	37 min
Jul 15, 1:17 PM EDT	Special Weather Statement	CHS	Candler	28 min
Jul 15, 1:24 PM EDT	Severe Thunderstorm Warning	CHS	Candler, Evans, Tattnall	66 min
Jul 15, 2:45 PM EDT	Special Weather Statement	CHS	Bryan	15 min
Jul 15, 3:01 PM EDT	Special Weather Statement	CHS	Bryan	14 min
Jul 15, 3:15 PM EDT	Special Weather Statement	CHS	Chatham	30 min
Jul 15, 3:23 PM EDT	Special Weather Statement	CHS	Tattnall	37 min
Jul 15, 4:17 PM EDT	Special Weather Statement	CHS	Liberty	28 min
Jul 15, 4:39 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	66 min

Nearby

Special Weather Statements in South Carolina, 2017 Every special weather statement in 2017

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.