Alert archive / North Carolina / Flash Flood Warnings in 2013

Flash Flood Warning 58, NWS Greenville-Spartanburg, SC

July 13, 2013Polk County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 13, 2013, 1:25 AM EDT for Polk County, North 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
Jul 13, 2013, 1:25 AM EDT (05:25 UTC)
Expired
Jul 13, 2013, 4:30 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Polk County, NC

The radar

The Greer radar (KGSP), 44 km from the middle of the area, began a volume at 05:28 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, 5.4 hours before the alert went out and 224 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 2013-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 335 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2013-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897Sfc1 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
335 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Jul 12, 10:56 PM EDT, 2 hours 29 minutes earlier.

Area forecast discussion, Jul 12, 10:56 PM EDT, 2 hours 29 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, Jul 12, 5:37 PM EDT, 7 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
537 PM EDT FRI JUL 12 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-132145-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
537 PM EDT FRI JUL 12 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS
AFTERNOON AND INTO TONIGHT. A FEW STORMS WILL BE SEVERE...WITH THE
POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING WINDS. HEAVY RAINFALL
AND ISOLATED FLOODING WILL REMAIN A THREAT WITH ANY STORMS THAT
DEVELOP...AS STORMS WILL BE SLOW MOVING AND THE GROUND IS
SATURATED ACROSS MUCH OF THE AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED TO WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED
THROUGH SUNDAY...WITH TROPICAL MOISTURE RETURNING FROM THE EAST.
HEAVY RAINFALL AND ISOLATED FLOODING WILL REMAIN A THREAT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

HG

In the hours before

Local storm report, Jul 12, 10:45 PM EDT, 2 hours 40 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, Jul 12, 10:46 PM EDT, 2 hours 39 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>
Local storm report, Jul 12, 10:53 PM EDT, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1053 PM EDT FRI JUL 12 2013

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

0952 PM     HAIL             3 SW GLEN ALPINE        35.70N 81.81W
07/12/2013  M1.25 INCH       BURKE              NC   TRAINED SPOTTER

            OBSERVED ALONG KATHY ROAD.

0952 PM     TSTM WND DMG     3 SW GLEN ALPINE        35.70N 81.81W
07/12/2013                   BURKE              NC   TRAINED SPOTTER

            TREES AND POWERLINES DOWN ALONG KATHY ROAD.

&&

CSH
Local storm report, Jul 12, 11:09 PM EDT, 2 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1109 PM EDT FRI JUL 12 2013

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

1055 PM     FLASH FLOOD      2 W GLEN ALPINE         35.73N 81.82W
07/12/2013                   BURKE              NC   TRAINED SPOTTER

            POWERHOUSE ROAD FLOODED.

1055 PM     FLASH FLOOD      5 SW MORGANTON          35.70N 81.76W
07/12/2013                   BURKE              NC   TRAINED SPOTTER

            SWIFT WATER RESCUE AT BYRD AND CONLEY ROADS.

1055 PM     FLASH FLOOD      4 S MORGANTON           35.68N 81.71W
07/12/2013                   BURKE              NC   TRAINED SPOTTER

            JENKINS ROAD NEAR BURKEMONT FLOODED.

1055 PM     FLASH FLOOD      3 SW GLEN ALPINE        35.71N 81.81W
07/12/2013                   BURKE              NC   TRAINED SPOTTER

            SWIFT WATER RESCUES NEAR HWY 70 AND KATHY ROAD.

&&

CSH
Special weather statement, Jul 12, 11:29 PM EDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1129 PM EDT FRI JUL 12 2013

NCZ506-508-130430-
EASTERN MCDOWELL-GREATER RUTHERFORD-
1129 PM EDT FRI JUL 12 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN RUTHERFORD AND
SOUTHEASTERN MCDOWELL COUNTIES THROUGH 1230 AM EDT...

AT 1127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES EAST OF THERMAL CITY...OR 12 MILES
SOUTHEAST OF MARION...MOVING SOUTHEAST AT 15 MPH.

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED
WITH THIS STORM.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3561 8183 3558 8182 3558 8180 3560 8179
      3556 8169 3539 8170 3533 8171 3551 8203
      3565 8195
Special weather statement, Jul 13, 12:00 AM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1200 AM EDT SAT JUL 13 2013

NCZ049-053-130445-
BUNCOMBE-YANCEY-
1200 AM EDT SAT JUL 13 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BUNCOMBE AND
SOUTHERN YANCEY COUNTIES THROUGH 1245 AM EDT...

AT 1156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF BARNARDSVILLE...OR 11 MILES
SOUTHWEST OF BURNSVILLE...MOVING EAST AT 5 MPH.

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED
WITH THIS STORM.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3570 8225 3571 8242 3583 8241 3584 8225

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 8:14 PM EDTSpecial Weather StatementGSPCaldwell61 min
Jul 12, 8:17 PM EDTSevere Thunderstorm WarningGSPCaldwell43 min
Jul 12, 8:57 PM EDTSevere Thunderstorm WarningGSPCaldwell63 min
Jul 12, 9:01 PM EDTSevere Thunderstorm WarningGSPBurke59 min
Jul 12, 9:26 PM EDTSpecial Weather StatementGSPMcDowell64 min
Jul 12, 9:39 PM EDTSevere Thunderstorm WarningGSPBuncombe, McDowell66 min
Jul 12, 9:45 PM EDTAreal Flood AdvisoryGSPMcDowell105 min
Jul 12, 9:55 PM EDTSevere Thunderstorm WarningGSPBurke, Rutherford50 min
Jul 12, 10:28 PM EDTSevere Thunderstorm WarningGSPBuncombe, McDowell, Rutherford62 min
Jul 12, 10:39 PM EDTSpecial Weather StatementGSPYancey51 min
Jul 12, 10:44 PM EDTFlash Flood WarningGSPBurke3 hr
Jul 12, 11:20 PM EDTAreal Flood AdvisoryGSPBuncombe, Madison2 hr
Jul 12, 11:29 PM EDTSpecial Weather StatementGSPRutherford61 min
Jul 13, 12:00 AM EDTSpecial Weather StatementGSPYancey45 min
Jul 13, 12:26 AM EDTAreal Flood WarningGSPBurke2 hr
Jul 13, 12:47 AM EDTAreal Flood AdvisoryGSPMcDowell, Rutherford2 hr
Jul 13, 1:09 AM EDTAreal Flood AdvisoryGSPPolk111 min
Jul 13, 2:17 AM EDTAreal Flood WarningGSPBurke4 hr
Jul 13, 2:48 AM EDTAreal Flood AdvisoryGSPRutherford2 hr
Jul 13, 3:54 AM EDTFlash Flood WatchGSPAlexander, Avery, Buncombe, Burke, Caldwell, Catawba and 17 more24 hr
Jul 13, 6:13 PM EDTSpecial Weather StatementGSPMecklenburg47 min
Jul 13, 6:51 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg69 min
Jul 12, 8:01 PM EDTSpecial Weather StatementGSPChester44 min
Jul 12, 8:30 PM EDTSpecial Weather StatementGSPAbbeville45 min
Jul 12, 9:05 PM EDTSpecial Weather StatementGSPCherokee40 min
Jul 12, 9:17 PM EDTFlash Flood WarningGSPAbbeville3 hr
Jul 12, 10:23 PM EDTAreal Flood AdvisoryGSPCherokee, Union2 hr
Jul 12, 10:46 PM EDTSpecial Weather StatementGSPUnion44 min
Jul 12, 11:46 PM EDTAreal Flood AdvisoryGSPUnion2 hr
Jul 13, 3:26 AM EDTSpecial Weather StatementGSPPickens49 min
Jul 13, 3:47 AM EDTAreal Flood AdvisoryGSPAnderson, Oconee, Pickens2 hr
Jul 13, 4:03 AM EDTFlash Flood WarningGSPAnderson, Pickens3 hr
Jul 13, 5:19 AM EDTFlash Flood WarningGSPAnderson, Oconee, Pickens3 hr
Jul 13, 7:00 AM EDTAreal Flood WarningGSPAnderson, Pickens2 hr

Nearby

Flash Flood Warnings in North Carolina, 2013Every flash flood warning in 2013

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.