Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Columbia, SC

May 1, 2016Lee County, Sumter County, South Carolina

NWS Columbia, SC issued this special weather statement at May 1, 2016, 1:45 PM EDT for Lee County, Sumter County, South Carolina. It was in force for 60 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, 1:45 PM EDT (17:45 UTC)
Expired: May 1, 2016, 2:45 PM EDT
In force: 60 min
Issued by: NWS Columbia, SC

Counties Lee County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 95 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 116 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, 11:46 AM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, May 1, 11:46 AM EDT, 1 hour 59 minutes before

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Hazardous weather outlook, May 1, 4:37 AM EDT, 9 hours 8 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, 4 hours 42 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

Special weather statement, May 1, 1:12 PM EDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
112 PM EDT SUN MAY 1 2016

SCZ022-029-031-011815-
LEE-SUMTER-KERSHAW-
112 PM EDT SUN MAY 1 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL KERSHAW...LEE AND
NORTHWESTERN SUMTER COUNTIES...

AT 112 PM EDT...A STRONG THUNDERSTORM WAS 8 MILES NORTH OF OAKLAND...
OR 11 MILES SOUTH OF CAMDEN...MOVING EAST AT 25 MPH.

WIND GUSTS OF 35 TO 45 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
BISHOPVILLE AND REMBERT.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 3405 8059 3418 8059 3431 8017 3428 8013
      3423 8011 3420 8011 3416 8016 3413 8013
      3408 8007
TIME...MOT...LOC 1712Z 255DEG 23KT 3411 8054

Special weather statement, May 1, 1:26 PM EDT, 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
126 PM EDT SUN MAY 1 2016

SCZ015-021-022-028-029-011830-
LEE-RICHLAND-FAIRFIELD-LANCASTER-KERSHAW-
126 PM EDT SUN MAY 1 2016

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL KERSHAW...SOUTH CENTRAL
LANCASTER...NORTHERN RICHLAND...EAST CENTRAL FAIRFIELD AND WEST
CENTRAL LEE COUNTIES...

AT 126 PM EDT...A STRONG THUNDERSTORM WAS NEAR WINNSBORO...MOVING
EAST AT 25 MPH.

HALF INCH HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CAMDEN...WINNSBORO...LUGOFF...RIDGEWAY AND WINNSBORO MILLS.

LAT...LON 3432 8108 3445 8106 3451 8039 3418 8042
TIME...MOT...LOC 1726Z 274DEG 23KT 3436 8099

CJR

Special weather statement, May 1, 1:45 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
145 PM EDT SUN MAY 1 2016

SCZ022-028-029-031-037-038-011845-
LEE-CLARENDON-RICHLAND-CALHOUN-SUMTER-KERSHAW-
145 PM EDT SUN MAY 1 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN KERSHAW...
NORTHWESTERN CALHOUN...EASTERN RICHLAND...SOUTHERN LEE...NORTHERN
CLARENDON AND SUMTER COUNTIES...

AT 142 PM EDT...A STRONG THUNDERSTORM WAS NEAR OAKLAND...OR NEAR
SUMTER...MOVING EAST AT 20 MPH.

AN AREA FAVORABLE FOR THUNDERSTORM DEVELOPMENT WILL PRODUCE STRONG
STORMS CAPABLE OF WIND GUSTS OF 35 TO 45 MPH AND HALF INCH HAIL. THE
STRONGEST STORM IS LOCATED NEAR SUMTER MOVING EAST AT 20 MPH. STRONG
THUNDERSTORMS WILL CONTINUE TO DEVELOP IN THIS AREA OVER THE NEXT
HOUR.

LOCATIONS IMPACTED INCLUDE...
COLUMBIA...SUMTER...MANNING...SOUTH SUMTER...EASTOVER...MILLWOOD...OAKLAND...
MULBERRY...LUGOFF...TURBEVILLE...MAYESVILLE...PINEWOOD...LYNCHBURG...
PAXVILLE...SHILOH...LAKEWOOD...DALZELL...OSWEGO...CANE SAVANNAH AND
WEDGEWOOD.

LAT...LON 3382 7992 3377 7999 3372 7997 3367 8002
      3380 8096 3421 8083 3417 8016 3413 8013
      3409 8008 3408 8003 3404 7999 3401 7991
      3399 7989 3395 7998 3388 7994 3388 7988
TIME...MOT...LOC 1742Z 281DEG 16KT 3403 8041

CJR

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, 9:03 AM EDT	Special Weather Statement	CAE	Chesterfield, Kershaw	57 min
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, 1:53 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.