Alert archive / South Carolina / Special Weather Statements in 2020
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Jun 24, 2020, 4:02 PM EDT for Georgetown County, South Carolina. It was in force for 43 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 24, 2020, 4:02 PM EDT (20:02 UTC)
- Expired
- Jun 24, 2020, 4:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Charleston, SC
County Georgetown County, SC
The radar
The Wilmington radar (KLTX), 138 km from the middle of the area, began a volume at 20:05 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, 8.0 hours before the alert went out and 55 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
- 483 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 24, 3:55 PM EDT, 7 minutes earlier.
Area forecast discussion, Jun 24, 3:55 PM EDT, 7 minutes before
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</html>Hazardous weather outlook, Jun 24, 3:56 PM EDT, 6 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 356 PM EDT Wed Jun 24 2020 AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040- 042>045-047>052-252000- 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 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 Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 356 PM EDT Wed Jun 24 2020 This Hazardous Weather Outlook is for Atlantic coastal waters, southeast Georgia and southeast South Carolina. .DAY ONE...This afternoon and tonight. Severe Weather: A line of thunderstorms is expected to move across the area this evening. Some of these storms could generate damaging winds. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time.
In the hours before
Local storm report, Jun 24, 11:23 AM EDT, 4 hours 39 minutes before
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</html>Special weather statement, Jun 24, 2:42 PM EDT, 1 hour 20 minutes before
Special Weather Statement
National Weather Service Charleston SC
242 PM EDT Wed Jun 24 2020
SCZ045-241930-
Inland Berkeley-
242 PM EDT Wed Jun 24 2020
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY COUNTY...
...MARINERS ON LAKE MOULTRIE SHOULD SEEK SAFE HARBOR...
At 241 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Southern Lake Moultrie, or near Moncks
Corner, moving east at 15 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...
Moncks Corner, Saint Stephen, Bonneau, Southern Lake Moultrie,
Northern Lake Moultrie, Bonneau Beach, Old Santee Canal State Park
and Pinopolis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on Lake Moultrie 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
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.
&&
LAT...LON 3340 7985 3338 7981 3337 7980 3338 7979
3337 7978 3332 7974 3320 7979 3318 7990
3319 8016 3340 8014 3343 7988
TIME...MOT...LOC 1841Z 273DEG 12KT 3328 8007
DPBSpecial weather statement, Jun 24, 3:31 PM EDT, 31 minutes before
Special Weather Statement
National Weather Service Charleston SC
331 PM EDT Wed Jun 24 2020
SCZ045-242015-
Inland Berkeley-
331 PM EDT Wed Jun 24 2020
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY COUNTY...
At 331 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm 8 miles southwest of Jamestown, or 10 miles east
of Moncks Corner, moving east at 20 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...
Bonneau and Jamestown.
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 3332 7974 3332 7970 3330 7966 3327 7956
3324 7950 3325 7948 3321 7945 3321 7947
3319 7949 3314 7952 3316 7956 3313 7964
3310 7966 3314 7991 3332 7995 3336 7978
TIME...MOT...LOC 1931Z 272DEG 19KT 3323 7982
DPBLocal storm report, Jun 24, 3:49 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
349 PM EDT WED JUN 24 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0811 PM TSTM WND DMG 1 SSE BLUFFTON 32.22N 80.86W
06/23/2020 BEAUFORT SC EMERGENCY MNGR
A TREE WAS REPORTED DOWN ON ALLJOY ROAD AT CONFEDERATE
AVENUE.
&&
EVENT NUMBER CHS2000455Special weather statement, Jun 24, 4:02 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Charleston SC
402 PM EDT Wed Jun 24 2020
SCZ050-242045-
Charleston-
402 PM EDT Wed Jun 24 2020
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON COUNTY...
At 401 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm 9 miles south of Jamestown, or 10 miles northwest
of McClellanville, moving east at 20 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...
McClellanville, Awendaw, Hampton Plantation State Park, Cape Island,
Lighthouse Island, Cape Romain and Santee Coastal Reserve.
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 3307 7931 3299 7935 3298 7952 3300 7960
3305 7970 3313 7964 3313 7960 3316 7956
3314 7952 3319 7949 3322 7944 3316 7937
3314 7928 3311 7927
TIME...MOT...LOC 2001Z 285DEG 21KT 3316 7963
DPBThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:03 PM EDT | Special Marine Warning | CHS | 117 min | |
| Jun 23, 8:08 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 52 min |
| Jun 23, 8:34 PM EDT | Special Marine Warning | CHS | 103 min | |
| Jun 23, 8:50 PM EDT | Special Marine Warning | CHS | 87 min | |
| Jun 24, 2:42 PM EDT | Special Weather Statement | CHS | Berkeley | 48 min |
| Jun 24, 3:31 PM EDT | Special Weather Statement | CHS | Berkeley | 44 min |
| Jun 24, 4:18 PM EDT | Special Marine Warning | CHS | 117 min | |
| Jun 24, 4:45 PM EDT | Special Weather Statement | CHS | Georgetown | 30 min |
| Jun 24, 5:28 PM EDT | Special Marine Warning | CHS | 63 min | |
| Jun 24, 7:39 PM EDT | Special Weather Statement | CHS | Allendale | 36 min |
| Jun 23, 8:12 PM EDT | Special Weather Statement | CHS | Effingham | 33 min |
Nearby
Special Weather Statements in South Carolina, 2020Every special weather statement in 2020
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.