Alert archive / South Carolina / Flash Flood Warnings in 2015

Flash Flood Warning 1, NWS Columbia, SC

June 2, 2015Richland County, South Carolina

NWS Columbia, SC issued this flash flood warning at Jun 2, 2015, 10:05 PM EDT for Richland County, South Carolina. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2015, 10:05 PM EDT (02:05 UTC)
Expired: Jun 2, 2015, 11:00 PM EDT
In force: 55 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Flood severity: None

County Richland County, SC

The radar

The Columbia radar (KCAE), 21 km from the middle of the area, began a volume at 02:09 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, 2.1 hours before the alert went out and 246 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: 679 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Jun 2, 7:49 PM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 2, 7:49 PM EDT, 2 hours 16 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jun 2, 4:17 AM EDT, 17 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
417 AM EDT TUE JUN 2 2015

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
030830-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
417 AM EDT TUE JUN 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
GEORGIA AND CENTRAL SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT
NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS
AFTERNOON INTO THE EVENING. A FEW STORMS COULD CONTAIN DAMAGING
WINDS AND HAIL. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

In the hours before

Special weather statement, Jun 2, 6:24 PM EDT, 3 hours 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
624 PM EDT TUE JUN 2 2015

SCZ022-028-022300-
RICHLAND-KERSHAW-
624 PM EDT TUE JUN 2 2015

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN KERSHAW AND
NORTHEASTERN RICHLAND COUNTIES...

AT 622 PM EDT...A STRONG THUNDERSTORM WAS NEAR FORT JACKSON...OR 7
MILES EAST OF WOODFIELDS...MOVING NORTHEAST AT 20 MPH.

WIND GUSTS OF 45 TO 55 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
COLUMBIA...DENTSVILLE...LUGOFF...FORT JACKSON AND WOODFIELD.

LAT...LON 3410 8058 3411 8062 3409 8062 3409 8064
      3408 8062 3406 8062 3397 8081 3410 8095
      3426 8068 3415 8051
TIME...MOT...LOC 2222Z 229DEG 18KT 3409 8081

Special weather statement, Jun 2, 6:29 PM EDT, 3 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
629 PM EDT TUE JUN 2 2015

SCZ036-022315-
ORANGEBURG-
629 PM EDT TUE JUN 2 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL ORANGEBURG
COUNTY...

AT 628 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF ST. MATTHEWS TO 11 MILES WEST OF
ORANGEBURG...AND MOVING EAST AT 10 MPH.

WIND GUSTS OF 45 TO 55 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ORANGEBURG...BROOKDALE...NEESES...NORWAY...CORDOVA...LIVINGSTON...
COPE...WILKINSON HEIGHTS AND EDISTO.

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

LAT...LON 3349 8126 3364 8098 3364 8094 3361 8094
      3362 8087 3360 8080 3352 8069 3347 8066
      3335 8102
TIME...MOT...LOC 2229Z 249DEG 8KT 3358 8074 3347 8106

Local storm report, Jun 2, 6:49 PM EDT, 3 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
649 PM EDT TUE JUN 2 2015

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

0622 PM     HAIL             1 S ELGIN               34.17N 80.80W
06/02/2015  E0.50 INCH       KERSHAW            SC   PUBLIC

            DIME-SIZE HAIL WAS REPORTED IN THE ELGIN
            AREA OF SOUTHWESTERN KERSHAW COUNTY.

&&

ACM

Special weather statement, Jun 2, 7:16 PM EDT, 2 hours 49 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jun 2, 7:18 PM EDT, 2 hours 47 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jun 2, 9:32 PM EDT, 33 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 9:32 PM EDT	Special Weather Statement	CAE	Lee	43 min
Jun 2, 9:53 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	2 hr
Jun 3, 12:44 AM EDT	Areal Flood Advisory	CAE	Edgefield, McCormick, Saluda	2 hr
Jun 3, 12:52 AM EDT	Special Weather Statement	CAE	Newberry	38 min
Jun 3, 2:35 AM EDT	Areal Flood Advisory	CAE	Edgefield, McCormick	115 min
Jun 3, 9:09 AM EDT	River Flood Warning	CAE	Edgefield, McCormick	65 hr
Jun 3, 7:59 PM EDT	Special Weather Statement	CAE	Edgefield, McCormick	61 min
Jun 3, 6:37 PM EDT	Special Weather Statement	CAE	Burke	38 min
Jun 3, 6:59 PM EDT	Special Weather Statement	CAE	Columbia, McDuffie, Richmond	61 min

Nearby

Flash Flood Warnings in South Carolina, 2015 Every flash 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.