Alert archive / South Carolina / Areal Flood Warnings in 2015

Areal Flood Warning 6, NWS Columbia, SC

December 30, 2015Newberry County, South Carolina

NWS Columbia, SC issued this areal flood warning at Dec 30, 2015, 3:09 PM EST for Newberry County, South Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 30, 2015, 3:09 PM EST (20:09 UTC)
Expired: Dec 30, 2015, 6:15 PM EST
In force: 3 hr
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Flood severity: None

County Newberry County, SC

The radar

The Columbia radar (KCAE), 58 km from the middle of the area, began a volume at 20:10 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, 8.2 hours before the alert went out and 214 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: 610 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Dec 30, 3:01 PM EST, 8 minutes earlier.

Area forecast discussion, Dec 30, 3:01 PM EST, 8 minutes before

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Hazardous weather outlook, Dec 30, 11:19 AM EST, 3 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
1119 AM EST WED DEC 30 2015

GAZ040-063>065-077-SCZ015-016-018-020>022-025>028-030-311630-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-AIKEN-
1119 AM EST WED DEC 30 2015

...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLOOD WATCH.

IN ADDITION...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS
AFTERNOON AND EARLY EVENING. DAMAGING WIND GUSTS ARE THE PRIMARY
RISK WITH THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLOOD WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

SCZ029-031-035>038-041-311630-
LEE-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG-
1119 AM EST WED DEC 30 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SOME AREA RIVERS WILL REMAIN ABOVE FLOOD STAGE. THERE IS A CHANCE
FOR LOCALLY HEAVY RAINFALL TODAY AND TONIGHT THAT MAY LEAD TO NEW
OR WORSENING FLOODING CONDITIONS.

IN ADDITION... ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS
AFTERNOON AND EARLY EVENING. DAMAGING WIND GUSTS ARE THE PRIMARY
RISK WITH THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

SOME AREA RIVERS WILL REMAIN ABOVE FLOOD STAGE. ADDITIONAL
RAINFALL WILL CONTINUE THE POTENTIAL FOR NEW OR WORSENING
FLOODING CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MANNING

In the hours before

Special weather statement, Dec 30, 12:52 PM EST, 2 hours 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1252 PM EST WED DEC 30 2015

SCZ015-021-022-301815-
FAIRFIELD-LANCASTER-KERSHAW-
1252 PM EST WED DEC 30 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN KERSHAW...SOUTHERN
LANCASTER AND NORTHEASTERN FAIRFIELD COUNTIES...

AT 1252 PM EST...A STRONG THUNDERSTORM WAS 8 MILES SOUTH OF GREAT
FALLS...OR 11 MILES NORTHEAST OF WINNSBORO...MOVING EAST AT 35 MPH.

WIND GUSTS OF 45 TO 55 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
KERSHAW...HEATH SPRINGS AND BETHUNE.

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

LAT...LON 3440 8032 3435 8097 3453 8101 3455 8091
      3454 8088 3455 8087 3463 8044
TIME...MOT...LOC 1752Z 258DEG 32KT 3446 8090

MANNING

Local storm report, Dec 30, 1:01 PM EST, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
101 PM EST WED DEC 30 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1255 PM     FLASH FLOOD      WINNSBORO               34.37N 81.10W
12/30/2015                   FAIRFIELD          SC   911 CALL CENTER

            WINNSBORO PUBLIC SAFETY REPORTED WASHINGTON
            ST. AT MOULTRIE ST. WAS BEING BLOCKED OFF
            DUE TO FLOODING.

&&

WRS

Local storm report, Dec 30, 1:15 PM EST, 1 hour 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
115 PM EST WED DEC 30 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1251 PM     TSTM WND DMG     1 NNE LANCASTER         34.73N 80.77W
12/30/2015                   LANCASTER          SC   LAW ENFORCEMENT

            TREES IN ROADWAY SC HWY 97

&&

DA

Local storm report, Dec 30, 2:07 PM EST, 1 hour 2 minutes before

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Local storm report, Dec 30, 2:27 PM EST, 42 minutes before

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Local storm report, Dec 30, 2:30 PM EST, 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 30, 9:04 AM EST	Areal Flood Advisory	CAE	McCormick	116 min
Dec 30, 10:33 AM EST	Flash Flood Warning	CAE	McCormick	4 hr
Dec 30, 10:57 AM EST	Special Weather Statement	CAE	Newberry	48 min
Dec 30, 11:09 AM EST	Flash Flood Warning	CAE	Newberry	4 hr
Dec 30, 11:43 AM EST	Flash Flood Warning	CAE	Fairfield, Lancaster	6 hr
Dec 30, 12:30 PM EST	Severe Thunderstorm Warning	CAE	Lancaster	45 min
Dec 30, 12:52 PM EST	Special Weather Statement	CAE	Kershaw	23 min
Dec 30, 1:05 PM EST	Severe Thunderstorm Warning	CAE	Chesterfield	40 min
Dec 30, 1:13 PM EST	Severe Thunderstorm Warning	CAE	Lancaster	32 min
Dec 30, 1:37 PM EST	Flash Flood Warning	CAE	Chesterfield	4 hr
Dec 30, 1:45 PM EST	Severe Thunderstorm Warning	CAE	Chesterfield	60 min
Dec 30, 2:02 PM EST	River Flood Warning	CAE	Lexington, Richland	4 days
Dec 30, 2:02 PM EST	River Flood Warning	CAE	Chesterfield, Marlboro	4 days
Dec 30, 2:02 PM EST	River Flood Warning	CAE	Newberry, Union	63 hr
Dec 30, 2:25 PM EST	Areal Flood Advisory	CAE	McCormick	4 hr
Dec 30, 3:53 PM EST	Areal Flood Advisory	CAE	Aiken, Calhoun, Fairfield, Kershaw, Lexington, Richland	2 hr
Dec 30, 4:07 PM EST	Areal Flood Advisory	CAE	Aiken, Edgefield, Lexington, McCormick, Newberry, Saluda	113 min
Dec 30, 4:56 PM EST	Special Weather Statement	CAE	Lexington	49 min
Dec 30, 5:53 PM EST	Areal Flood Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more	3 hr

Nearby

Areal Flood Warnings in South Carolina, 2015 Every areal flood warning in 2015

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.