Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Mar 1, 2021, 11:25 AM EST for Dorchester 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
- Mar 1, 2021, 11:25 AM EST (16:25 UTC)
- Expired
- Mar 1, 2021, 12:00 PM EST
- In force
- 35 min
- Issued by
- NWS Charleston, SC
- Hail
- 0.00 in
- Wind
- 55
County Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 62 km from the middle of the area, began a volume at 16:25 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, 4.4 hours before the alert went out and 50 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
- 14 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1129 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 266 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 Mar 1, 9:55 AM EST, 1 hour 30 minutes earlier.
Area forecast discussion, Mar 1, 9:55 AM EST, 1 hour 30 minutes before
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</html>Hazardous weather outlook, Mar 1, 4:09 AM EST, 7 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 409 AM EST Mon Mar 1 2021 GAZ117-119-139-141-SCZ048>051-020915- Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh- Beaufort-Coastal Colleton-Charleston-Coastal Jasper- 409 AM EST Mon Mar 1 2021 This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Coastal Flooding: Minor coastal flooding is possible during the Tuesday late morning high tide near Charleston and along the entire southeast South Carolina and southeast Georgia coast during the evening high tide. There is even an outside chance of moderate coastal flooding near Charleston during the evening high tide. In addition, heavy rainfall will be possible during the evening high tide which could exacerbate any flooding issues. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ087-088-099>101-114>116-118-137-138-140-SCZ040-042>045-047-052- 020915- Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Inland Chatham-Long-Inland Liberty-Inland McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Tidal Berkeley- 409 AM EST Mon Mar 1 2021 This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ330-350-352-354-374-020915- 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- 409 AM EST Mon Mar 1 2021 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Gales: There is a low risk for some gale force wind gusts Tuesday night into Wednesday as a low pressure system passes through the waters. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time.
In the hours before
Special weather statement, Mar 1, 10:58 AM EST, 27 minutes before
Special Weather Statement
National Weather Service Charleston SC
1058 AM EST Mon Mar 1 2021
SCZ043-044-011630-
Inland Colleton-Dorchester-
1058 AM EST Mon Mar 1 2021
...HAZARDOUS SHOWERS WILL IMPACT PORTIONS OF COLLETON AND DORCHESTER
COUNTIES...
At 1057 AM EST, National Weather Service doppler radar indicated
hazardous showers along a line extending from near Padgetts to near
Islandton, and moving east at 45 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 showers include...
Walterboro, Colleton, Smoaks, Lodge, Williams, Round O, Ruffin and
Padgetts.
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 3313 8049 3287 8055 3293 8099 3309 8093
3306 8090 3309 8088 3310 8089 3313 8089
TIME...MOT...LOC 1557Z 268DEG 38KT 3309 8086 3294 8093
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPHSpecial weather statement, Mar 1, 11:25 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Charleston SC
1125 AM EST Mon Mar 1 2021
SCZ043>045-011700-
Inland Berkeley-Inland Colleton-Dorchester-
1125 AM EST Mon Mar 1 2021
...HAZARDOUS SHOWERS WILL IMPACT PORTIONS OF COLLETON, BERKELEY AND
DORCHESTER COUNTIES...
At 1125 AM EST, National Weather Service doppler radar indicated a
hazardous shower near Canadys, or 9 miles west of Givhans Ferry State
Park, moving east at 45 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 shower include...
Summerville, Givhans Ferry State Park, Ridgeville, Cottageville,
Round O, Givhans, Jedburg and Canadys.
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 3294 8071 3302 8064 3310 8069 3316 8017
3287 8019
TIME...MOT...LOC 1625Z 268DEG 38KT 3302 8055
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPHThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 10:58 AM EST | Special Weather Statement | CHS | Colleton | 32 min |
| Mar 1, 12:33 PM EST | Special Marine Warning | CHS | 23 min | |
| Mar 1, 12:56 PM EST | Special Marine Warning | CHS | 68 min | |
| Mar 1, 2:58 PM EST | Small Craft Advisory | CHS | 61 hr |
Nearby
Special Weather Statements in South Carolina, 2021Every 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.