Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Wilmington, NC
NWS Wilmington, NC issued this special weather statement at Aug 18, 2021, 5:47 AM EDT for Marlboro County, South Carolina. It was in force for 13 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
- Aug 18, 2021, 5:47 AM EDT (09:47 UTC)
- Expired
- Aug 18, 2021, 6:00 AM EDT
- In force
- 13 min
- Issued by
- NWS Wilmington, NC
- Hail
- 0.00 in
- Wind
- 40
County Marlboro County, SC
The radar
The Wilmington radar (KLTX), 130 km from the middle of the area, began a volume at 09:52 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.8 hours before the alert went out and 163 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
- 349 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.5
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 Wilmington, NC wrote its last area forecast discussion before this special weather statement went out at Aug 18, 2:52 AM EDT, 2 hours 55 minutes earlier.
Area forecast discussion, Aug 18, 2:52 AM EDT, 2 hours 55 minutes before
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</html>Hazardous weather outlook, Aug 18, 3:22 AM EDT, 2 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Wilmington NC 322 AM EDT Wed Aug 18 2021 NCZ106-108-110-SCZ054-056-190730- Coastal Pender-Coastal New Hanover-Coastal Brunswick-Coastal Horry- Coastal Georgetown- 322 AM EDT Wed Aug 18 2021 ...MODERATE RISK OF RIP CURRENTS IN EFFECT THROUGH THIS AFTERNOON... This Hazardous Weather Outlook is for southeast North Carolina and northeast South Carolina. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Moderate Risk of Rip Currents. Heavy rainfall today could lead to isolated flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. An elevated risk of rip currents at the beaches will continue Thursday through Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ087-096-099-105-109-SCZ017-023-024-032-033-039-055-058-059-190730- Robeson-Bladen-Columbus-Inland Pender-Inland Brunswick-Marlboro- Darlington-Dillon-Florence-Marion-Williamsburg-Inland Georgetown- Central Horry-Northern Horry- 322 AM EDT Wed Aug 18 2021 This Hazardous Weather Outlook is for southeast North Carolina and northeast South Carolina. .DAY ONE...Today and tonight. Heavy rainfall today could lead to isolated flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. AMZ250-252-254-256-190730- Coastal waters from Surf City to Cape Fear NC out 20 nm- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 nm- Coastal waters from Murrells Inlet to South Santee River SC out 20 nm- 322 AM EDT Wed Aug 18 2021 This Hazardous Weather Outlook is for the adjacent Coastal Waters. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ107-190730- Inland New Hanover- 322 AM EDT Wed Aug 18 2021 This Hazardous Weather Outlook is for southeast North Carolina. .DAY ONE...Today and tonight. Heavy rainfall today could lead to isolated flooding. Minor coastal flooding could occur along the Cape Fear River at downtown Wilmington during this evening's high tide around 7 PM. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding could occur along the Cape Fear River at downtown Wilmington during Thursday night's high tide around 8 PM. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. 9
In the hours before
Special weather statement, Aug 18, 5:47 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 10:38 AM EDT | Special Weather Statement | ILM | Bladen | 37 min |
| Aug 18, 2:39 PM EDT | Coastal Flood Advisory | ILM | New Hanover | 6 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.