Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Columbia, SC

July 9, 2021Chesterfield County, South Carolina

NWS Columbia, SC issued this special weather statement at Jul 9, 2021, 4:14 PM EDT for Chesterfield County, South Carolina. It was in force for 46 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
Jul 9, 2021, 4:14 PM EDT (20:14 UTC)
Expired
Jul 9, 2021, 5:00 PM EDT
In force
46 min
Issued by
NWS Columbia, SC

County Chesterfield County, SC

The radar

The Columbia radar (KCAE), 107 km from the middle of the area, began a volume at 20:16 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, 8.2 hours before the alert went out and 173 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 2021-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
127 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

535 
WWUS82 KCAE 092014
SPSCAE

Special Weather Statement
National Weather Service Columbia SC
414 PM EDT Fri Jul 9 2021
 
SCZ016-022-116-092100-
Chesterfield SC-Southern Lancaster SC-Kershaw SC-
414 PM EDT Fri Jul 9 2021

...Strong Thunderstorms Will Impact Portions of Chesterfield...
Southern Lancaster and northeastern Kershaw Counties Until 500 PM
EDT....

At 414 PM EDT...National Weather Service doppler radar indicated
strong thunderstorms along a line extending from near Pageland to
near Mt Pisgah, moving east at 25 mph.

  HAZARD...gusty winds 40 to 50 mph.

  IMPACT...expect minor damage to tree limbs and blowing around of 
           light, unsecured objects.

Some locations in the path of these storms include...
Pageland, Chesterfield, Carolina Sandhills Wildlife Refuge, Mt
Pisgah, Mcbee, Jefferson, Ruby, Patrick, Mount Croghan, Chesterfield
Ruby Middle School, High Point Fire Station, Alligator Fire Station,
Middendorf, Bay Springs Fire Station, Taxahaw, Chesterfield Detention
Center and Central High School.

LAT...LON 3449 8005 3440 8022 3442 8023 3444 8048
      3482 8054 3481 8004 3449 8003
TIME...MOT...LOC 2014Z 288DEG 21KT 3476 8049 3448 8044 

$$

gpl

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 2:16 PM EDTSpecial Weather StatementCAEMcCormick29 min
Jul 9, 2:42 PM EDTSpecial Weather StatementCAESaluda33 min
Jul 9, 3:15 PM EDTSpecial Weather StatementCAELexington30 min
Jul 9, 3:21 PM EDTSpecial Weather StatementCAEKershaw24 min
Jul 9, 3:39 PM EDTSpecial Weather StatementCAELexington36 min
Jul 9, 3:46 PM EDTSpecial Weather StatementCAEKershaw, Lee44 min
Jul 9, 4:23 PM EDTSpecial Weather StatementCAEClarendon, Sumter37 min
Jul 9, 4:32 PM EDTSpecial Weather StatementCAECalhoun, Orangeburg43 min
Jul 9, 4:48 PM EDTSevere Thunderstorm WarningCAEKershaw, Lancaster27 min
Jul 9, 5:03 PM EDTSpecial Weather StatementCAEClarendon27 min
Jul 9, 5:14 PM EDTSpecial Weather StatementCAEOrangeburg31 min
Jul 9, 3:21 PM EDTSpecial Weather StatementCAELincoln24 min

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.