Alert archive / South Carolina / Special Marine Warnings in 2021
Special Marine Warning 112, NWS Charleston, SC
NWS Charleston, SC issued this special marine warning at Sep 20, 2021, 3:31 PM EDT. It was in force for 119 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
- Sep 20, 2021, 3:31 PM EDT (19:31 UTC)
- Expired
- Sep 20, 2021, 5:30 PM EDT
- In force
- 119 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 Sep 20, 2:14 PM EDT, 1 hour 17 minutes earlier.
Area forecast discussion, Sep 20, 2:14 PM EDT, 1 hour 17 minutes before
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</html>Hazardous weather outlook, Sep 20, 11:20 AM EDT, 4 hours 11 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 1120 AM EDT Mon Sep 20 2021 SCZ049-050-211530- Coastal Colleton-Charleston- 1120 AM EDT Mon Sep 20 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...MODERATE RISK FOR RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast South Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. Moderate Risk for Rip Currents. Coastal Flooding: Moderate coastal flooding is possible with the evening high tide. Coastal Flood Advisories could be needed. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Coastal Flooding: Minor coastal flooding will be possible with the high tides through mid week. Coastal Flood Advisories could be needed. Flooding: Pockets of heavy rainfall could occur across much of southeast South Carolina Tuesday through Wednesday. Minor flooding of low-lying and poor drainage areas could occur. The risk for flash flooding could increase if heavy rainfall falls during already elevated high tides. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ101-116-118-138-140-SCZ042>045-047-052-211530- Effingham-Inland Bryan-Inland Chatham-Inland Liberty-Inland McIntosh- Hampton-Inland Colleton-Dorchester-Inland Berkeley-Inland Jasper- Tidal Berkeley- 1120 AM EDT Mon Sep 20 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Flooding: Pockets of heavy rainfall could occur across much of southeast South Carolina and southeast Georgia Tuesday through Wednesday. Minor flooding of low-lying and poor drainage areas could occur. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ087-088-099-100-114-115-137-SCZ040-211530- Jenkins-Screven-Candler-Bulloch-Tattnall-Evans-Long-Allendale- 1120 AM EDT Mon Sep 20 2021 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...Tuesday through Sunday. Flooding: Pockets of heavy rainfall could occur across much of southeast South Carolina and southeast Georgia Tuesday through Wednesday. Minor flooding of low-lying and poor drainage areas could occur. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ117-119-139-141-SCZ048-051-211530- Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh- Beaufort-Coastal Jasper- 1120 AM EDT Mon Sep 20 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...MODERATE RISK FOR RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. Moderate Risk for Rip Currents. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Flooding: Pockets of heavy rainfall could occur across much of southeast South Carolina and southeast Georgia Tuesday through Wednesday. Minor flooding of low-lying and poor drainage areas could occur. For the coastal areas, the risk for flash flooding could increase if heavy rainfall falls during already elevated high tides. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ330-350-352-354-374-211530- 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- 1120 AM EDT Mon Sep 20 2021 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...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time.
In the hours before
Local storm report, Sep 20, 10:15 AM EDT, 5 hours 16 minutes before
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</html>Local storm report, Sep 20, 1:25 PM EDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
125 PM EDT MON SEP 20 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0109 PM MARINE TSTM WIND 1 ENE SULLIVANS ISLAND 32.77N 79.82W
09/20/2021 M48 MPH CHARLESTON SC MESONET
SULLIVANS ISLAND WXFLOW SENSOR REPORTED 42 KNOT WIND
GUST.
&&
EVENT NUMBER CHS2100647
ETMLocal storm report, Sep 20, 2:32 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
232 PM EDT MON SEP 20 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0225 PM MARINE TSTM WIND 4 ESE CHARLESTON 32.75N 79.87W
09/20/2021 M39 MPH AMZ330 SC MESONET
FORT SUMTER WXFLOW SENSOR REPORTED 34 KNOT WIND GUST.
&&
EVENT NUMBER CHS2100648
ETMLocal storm report, Sep 20, 2:35 PM EDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
235 PM EDT MON SEP 20 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0223 PM MARINE TSTM WIND 1 ESE ISLE OF PALMS 32.78N 79.79W
09/20/2021 M43 MPH AMZ350 SC MESONET
ISLE OF PALMS WXFLOW SENSOR REPORTED 37 KNOT WIND GUST.
&&
EVENT NUMBER CHS2100649
ETMLocal storm report, Sep 20, 2:49 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
249 PM EDT MON SEP 20 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0243 PM MARINE TSTM WIND 2 WSW FOLLY BEACH 32.64N 79.97W
09/20/2021 M47 MPH CHARLESTON SC MESONET
FOLLY BEACH WXFLOW SENSOR REPORTED 41 KNOT WIND GUST.
&&
EVENT NUMBER CHS2100650
ETMThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 2:50 AM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Sep 20, 3:16 AM EDT | Flash Flood Watch | CHS | Berkeley, Colleton, Dorchester, Hampton | 36 hr |
| Sep 20, 5:48 AM EDT | Areal Flood Advisory | CHS | Beaufort, Charleston, Colleton, Jasper | 117 min |
| Sep 20, 7:37 AM EDT | Areal Flood Advisory | CHS | Beaufort, Charleston, Colleton | 113 min |
| Sep 20, 8:56 AM EDT | Small Craft Advisory | CHS | 13 hr | |
| Sep 20, 1:30 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 20, 3:34 PM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Sep 20, 6:40 PM EDT | Areal Flood Advisory | CHS | Beaufort, Jasper | 3 hr |
| Sep 20, 7:53 PM EDT | Areal Flood Advisory | CHS | Chatham | 4 hr |
Nearby
Special Marine Warnings in South Carolina, 2021Every 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.