Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Columbia, SC

May 1, 2016Chesterfield County, Kershaw County, South Carolina

NWS Columbia, SC issued this special weather statement at May 1, 2016, 9:03 AM EDT for Chesterfield County, Kershaw County, South Carolina. It was in force for 57 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: May 1, 2016, 9:03 AM EDT (13:03 UTC)
Expired: May 1, 2016, 10:00 AM EDT
In force: 57 min
Issued by: NWS Columbia, SC

Counties Chesterfield County, SC, Kershaw County, SC

The radar

The Columbia radar (KCAE), 91 km from the middle of the area, began a volume at 13:02 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 12:00Z, 1.1 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-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: 264 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 705 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Columbia, SC wrote its last area forecast discussion before this special weather statement went out at May 1, 8:10 AM EDT, 53 minutes earlier.

Area forecast discussion, May 1, 8:10 AM EDT, 53 minutes before

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Hazardous weather outlook, May 1, 4:37 AM EDT, 4 hours 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
437 AM EDT SUN MAY 1 2016

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-020845-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
437 AM EDT SUN MAY 1 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA
AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS TODAY AND THIS EVENING COULD POSSIBLY CONTAIN
DAMAGING WIND AND HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS MONDAY AND TUESDAY COULD POSSIBLY CONTAIN DAMAGING
WIND AND HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, May 1, 9:03 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
903 AM EDT SUN MAY 1 2016

SCZ015-016-022-028-029-031-011400-
LEE-RICHLAND-SUMTER-CHESTERFIELD-LANCASTER-KERSHAW-
903 AM EDT SUN MAY 1 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN KERSHAW...
SOUTHEASTERN LANCASTER...EAST CENTRAL RICHLAND...CHESTERFIELD...
NORTHWESTERN LEE AND NORTHWESTERN SUMTER COUNTIES...

AT 901 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 9 MILES SOUTH OF MONROE TO 9 MILES NORTHEAST OF CAMDEN
TO NEAR EASTOVER...AND MOVING NORTHEAST AT 45 MPH.

WIND GUSTS OF 45 TO 55 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
CAMDEN...BISHOPVILLE...PAGELAND...KERSHAW...CHESTERFIELD...LUGOFF...MCBEE...
JEFFERSON...RUBY...BETHUNE...MOUNT CROGHAN...REMBERT...DALZELL AND
STATEBURG.

BRIEF TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE
STORMS...REDUCING VISIBILITIES TO LESS THAN 1 MILE. MOTORISTS
SHOULD SLOW DOWN TO AVOID HYDROPLANING.

LAT...LON 3443 8015 3437 8029 3432 8024 3437 8018
      3408 8028 3391 8078 3434 8060 3482 8060
      3481 8007 3466 8007
TIME...MOT...LOC 1301Z 234DEG 40KT 3486 8054 3439 8054 3396 8069

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 8:14 PM EDT	Areal Flood Advisory	CAE	Lancaster	61 min
Apr 30, 8:31 PM EDT	Flash Flood Warning	CAE	Lancaster	2 hr
May 1, 7:38 AM EDT	Areal Flood Advisory	CAE	Lancaster	3 hr
May 1, 7:38 AM EDT	Areal Flood Advisory	CAE	Lancaster	3 hr
May 1, 11:21 AM EDT	Areal Flood Advisory	CAE	Chesterfield, Kershaw	3 hr
May 1, 1:12 PM EDT	Special Weather Statement	CAE	Lee	63 min
May 1, 1:26 PM EDT	Special Weather Statement	CAE	Kershaw	64 min
May 1, 1:45 PM EDT	Special Weather Statement	CAE	Lee, Sumter	60 min
May 1, 1:53 PM EDT	Special Weather Statement	CAE	Calhoun	67 min
May 1, 2:48 PM EDT	Special Weather Statement	CAE	Orangeburg	57 min
May 1, 2:58 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	62 min
May 1, 4:03 PM EDT	Areal Flood Advisory	CAE	Orangeburg	117 min
May 1, 4:10 PM EDT	Special Weather Statement	CAE	Lexington	35 min
May 1, 5:01 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	119 min
May 1, 5:43 PM EDT	Special Weather Statement	CAE	Fairfield	47 min
May 1, 5:49 PM EDT	Flash Flood Warning	CAE	Lexington, Richland	86 min
May 1, 5:52 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield	38 min
May 1, 6:24 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield	51 min
May 1, 7:13 PM EDT	Special Weather Statement	CAE	Fairfield	47 min
May 1, 7:24 PM EDT	Special Weather Statement	CAE	Edgefield	51 min

Nearby

Special Weather Statements in South Carolina, 2016 Every special weather statement in 2016

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.