Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Wilmington, NC

August 8, 2018Robeson County, North Carolina

NWS Wilmington, NC issued this special weather statement at Aug 8, 2018, 4:17 PM EDT for Robeson County, North Carolina. It was in force for 58 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 8, 2018, 4:17 PM EDT (20:17 UTC)
Expired
Aug 8, 2018, 5:15 PM EDT
In force
58 min
Issued by
NWS Wilmington, NC

County Robeson County, NC

The radar

The Wilmington radar (KLTX), 107 km from the middle of the area, began a volume at 20:17 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 12:00Z, 8.3 hours before the alert went out and 171 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2018-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 739 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2018-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
739 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1174 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-28 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 8, 3:38 PM EDT, 39 minutes earlier.

Area forecast discussion, Aug 8, 3:38 PM EDT, 39 minutes before
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Hazardous weather outlook, Aug 8, 3:45 PM EDT, 32 minutes before
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In the hours before

Special weather statement, Aug 8, 4:17 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Wilmington NC
417 PM EDT WED AUG 8 2018

NCZ087-SCZ024-082115-
Robeson NC-Dillon SC-
417 PM EDT WED AUG 8 2018

...SPECIAL WEATHER STATEMENT...

At 417 PM EDT, Doppler radar was tracking a strong thunderstorm near
Raemon, or 10 miles south of Laurinburg, moving east at 15 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Pembroke, Fairmont, Rowland, Raemon, South Of The Border, Purvis,
Elrod, Hamer, Mcdonald and Raynham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

&&

LAT...LON 3469 7905 3442 7912 3453 7950 3462 7945
      3463 7946 3464 7946 3471 7939
TIME...MOT...LOC 2017Z 281DEG 12KT 3462 7944

MBB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 1:30 AM EDTSpecial Weather StatementILMBladen60 min
Aug 8, 2:14 AM EDTSpecial Weather StatementILMBladen61 min
Aug 8, 4:13 AM EDTHeat AdvisoryILMBrunswick, Columbus, New Hanover, Pender15 hr
Aug 8, 5:32 PM EDTSpecial Weather StatementILMMarlboro43 min

Nearby

Special Weather Statements in North Carolina, 2018Every special weather statement in 2018

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.