Alert archive / South Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Wilmington, NC

August 23, 2017Horry County, South Carolina

NWS Wilmington, NC issued this special weather statement at Aug 23, 2017, 11:52 PM EDT for Horry County, South Carolina. It was in force for 38 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 23, 2017, 11:52 PM EDT (03:52 UTC)
Expired: Aug 24, 2017, 12:30 AM EDT
In force: 38 min
Issued by: NWS Wilmington, NC

County Horry County, SC

The radar

The Wilmington radar (KLTX), 28 km from the middle of the area, began a volume at 03:51 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 00:00Z, 3.9 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.

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: 2111 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1119 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 92 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 Wilmington, NC wrote its last area forecast discussion before this special weather statement went out at Aug 23, 9:12 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, Aug 23, 9:12 PM EDT, 2 hours 40 minutes before

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Hazardous weather outlook, Aug 23, 3:38 PM EDT, 8 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington NC
338 PM EDT Wed Aug 23 2017

NCZ087-096-099-105-107-109-SCZ017-023-024-032-033-039-053-055-241945-
Robeson-Bladen-Columbus-Inland Pender-Inland New Hanover-
Inland Brunswick-Marlboro-Darlington-Dillon-Florence-Marion-
Williamsburg-Inland Horry-Inland Georgetown-
338 PM EDT Wed Aug 23 2017

This Hazardous Weather Outlook is for southeast North Carolina and
northeast South Carolina.

.DAY ONE...This Afternoon and Tonight.

There is a marginal risk for severe weather tonight.

.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.

NCZ106-108-110-241945-
Coastal Pender-Coastal New Hanover-Coastal Brunswick-
338 PM EDT Wed Aug 23 2017

...MODERATE RISK OF RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

This Hazardous Weather Outlook is for southeast North 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.

   Moderate Risk of Rip Currents.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

SCZ054-056-241945-
Coastal Horry-Coastal Georgetown-
338 PM EDT Wed Aug 23 2017

...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

This Hazardous Weather Outlook is for northeast South Carolina.

.DAY ONE...This Afternoon and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

AMZ250-252-254-256-241945-
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-
338 PM EDT Wed Aug 23 2017

This Hazardous Weather Outlook is for The adjacent Coastal Waters.

.DAY ONE...This Afternoon and Tonight.

There is a marginal risk for severe weather tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Small craft advisory conditions are possible Saturday through
Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 23, 9:58 PM EDT, 1 hour 54 minutes before

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Special weather statement, Aug 23, 10:33 PM EDT, 1 hour 19 minutes before

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Local storm report, Aug 23, 10:54 PM EDT, 58 minutes before

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Special weather statement, Aug 23, 11:00 PM EDT, 52 minutes before

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Special weather statement, Aug 23, 11:14 PM EDT, 38 minutes before

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Special weather statement, Aug 23, 11:52 PM EDT, 0 minutes before

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The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 23, 8:44 PM EDT	Special Weather Statement	ILM	Williamsburg	46 min
Aug 23, 9:00 PM EDT	Special Weather Statement	ILM	Marion	45 min
Aug 23, 9:04 PM EDT	Special Marine Warning	ILM		86 min
Aug 23, 9:17 PM EDT	Severe Thunderstorm Warning	ILM	Horry, Marion	22 min
Aug 23, 9:40 PM EDT	Special Weather Statement	ILM	Marion	50 min
Aug 23, 9:44 PM EDT	Special Weather Statement	ILM	Horry	46 min
Aug 23, 9:58 PM EDT	Special Weather Statement	ILM	Florence	32 min
Aug 23, 10:05 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Marion	25 min
Aug 23, 10:21 PM EDT	Special Marine Warning	ILM		84 min
Aug 23, 10:33 PM EDT	Special Weather Statement	ILM	Dillon, Florence, Marion	42 min
Aug 23, 11:00 PM EDT	Special Weather Statement	ILM	Horry	45 min
Aug 23, 11:07 PM EDT	Areal Flood Advisory	ILM	Dillon, Horry, Marion	3 hr
Aug 23, 11:14 PM EDT	Special Weather Statement	ILM	Florence	46 min
Aug 23, 11:59 PM EDT	Areal Flood Advisory	ILM	Florence, Horry, Marion	2 hr
Aug 24, 12:34 AM EDT	Areal Flood Advisory	ILM	Horry	86 min
Aug 24, 7:11 PM EDT	Special Weather Statement	ILM	Dillon	64 min
Aug 23, 8:26 PM EDT	Special Weather Statement	ILM	Pender	49 min
Aug 23, 8:41 PM EDT	Special Weather Statement	ILM	Brunswick, Columbus	64 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.