Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Columbia, SC

March 26, 2021Lancaster County, South Carolina

NWS Columbia, SC issued this special weather statement at Mar 26, 2021, 5:01 AM EDT for Lancaster County, South Carolina. It was in force for 29 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
Mar 26, 2021, 5:01 AM EDT (09:01 UTC)
Expired
Mar 26, 2021, 5:30 AM EDT
In force
29 min
Issued by
NWS Columbia, SC

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 97 km from the middle of the area, began a volume at 09:00 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, 9.0 hours before the alert went out and 166 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 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 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 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 square meters per square second.19395878Sfc1 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
28 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

221 
WWUS82 KCAE 260901
SPSCAE

Special Weather Statement
National Weather Service Columbia SC
501 AM EDT Fri Mar 26 2021
 
SCZ115-116-260930-
Northern Lancaster SC-Southern Lancaster SC-
501 AM EDT Fri Mar 26 2021

...Strong Thunderstorms Will Impact Portions of Northern Lancaster
and Southern Lancaster Counties Until 530 AM EDT....

At 501 AM EDT...National Weather Service doppler radar indicated a
strong thunderstorm over Fort Lawn, or near Lancaster, moving east at
65 mph.

  HAZARD...gusty winds 40 to 50 mph and pea sized hail.

  IMPACT...expect minor damage to tree limbs and blowing around of 
           light, unsecured objects. Minor hail damage to plants, 
           trees and crops is possible. Damage to windshields is 
           unlikely.

Some locations in the path of this storm include...
Lancaster, Elgin, Andrew Jackson State Park, USC Lancaster, Van Wyck,
Irwin, Buford, Fishing Creek Reservoir, Arrowood Estates,
Tradesville, Camp Creek Fire Station, Antioch, Unity Fire Station,
Lancaster Mill and McWhirter Airfield.

LAT...LON 3482 8079 3482 8062 3475 8052 3462 8089
      3467 8089 3470 8086 3474 8088 3479 8087
      3483 8090 3484 8087 3487 8088 3492 8079
TIME...MOT...LOC 0901Z 256DEG 57KT 3471 8088 

$$

LM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 7:27 AM EDTSpecial Weather StatementCAERichland33 min
Mar 26, 8:11 AM EDTSpecial Weather StatementCAEMcCormick64 min
Mar 26, 8:23 AM EDTSevere Thunderstorm WarningCAEMcCormick22 min
Mar 26, 10:39 AM EDTRiver Flood WarningCAECalhoun, Lexington, Richland5 days
Mar 26, 10:39 AM EDTRiver Flood WarningCAECalhoun, Richland6 days
Mar 26, 10:41 AM EDTRiver Flood AdvisoryCAELexington, Richland43 hr
Mar 26, 11:56 AM EDTSpecial Weather StatementCAEKershaw49 min
Mar 26, 12:27 PM EDTSpecial Weather StatementCAEDarlington33 min
Mar 26, 2:09 PM EDTSpecial Weather StatementCAEChesterfield51 min
Mar 26, 2:46 PM EDTSevere Thunderstorm WarningCAEMcCormick44 min
Mar 26, 9:10 AM EDTSpecial Weather StatementCAEColumbia, McDuffie50 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.