Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 276, NWS Greenville-Spartanburg, SC

July 27, 2013Buncombe County, Madison County, Yancey County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 27, 2013, 6:45 PM EDT for Buncombe County, Madison County, Yancey County, North 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 counties it named.

The facts

Issued
Jul 27, 2013, 6:45 PM EDT (22:45 UTC)
Expired
Jul 27, 2013, 7:45 PM EDT
In force
60 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Buncombe County, NC, Madison County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 90 km from the middle of the area, began a volume at 22:47 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.8 hours before the alert went out and 238 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 12:00Z on 2013-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 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 12:00Z on 2013-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 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
408 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 27, 2:46 PM EDT, 3 hours 59 minutes earlier.

Area forecast discussion, Jul 27, 2:46 PM EDT, 3 hours 59 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 27, 11:38 AM EDT, 7 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1138 AM EDT SAT JUL 27 2013

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-503>510-
SCZ001>007-010>012-019-281545-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-
ANDERSON-ABBEVILLE-LAURENS-GREENWOOD-
1138 AM EDT SAT JUL 27 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS THE NORTH CAROLINA MOUNTAINS...NORTHEAST GEORGIA...AND THE
WESTERN HALF OF UPSTATE SOUTH CAROLINA THIS AFTERNOON...WITH SOME
ACTIVITY CONTINUING INTO THE EVENING. CLOUD TO GROUND LIGHTNING
WILL BE FREQUENT AT TIMES...AND LOCALIZED HEAVY RAINFALL MAY LEAD
TO FLASH FLOODING. CONDITIONS ARE ALSO FAVORABLE FOR SOME OF THE
THUNDERSTORMS TO PRODUCE SEVERE WEATHER...MAINLY IN THE FORM OF
DAMAGING WIND GUSTS. BRIEF LARGE HAIL WILL ALSO BE POSSIBLE...
WHILE A BRIEF...WEAK TORNADO CANNOT BE RULED OUT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

NCZ035>037-056-057-068>072-082-501-502-SCZ008-009-013-014-281545-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-
CHEROKEE-YORK-UNION SC-CHESTER-
1138 AM EDT SAT JUL 27 2013

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

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

.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.

   FLASH FLOOD WATCH.

IN ADDITION TO THE FLOODING THREAT...SOME THUNDERSTORMS MAY BECOME
SEVERE THIS AFTERNOON...WITH DAMAGING WINDS AND PERHAPS BRIEF LARGE
HAIL BEING THE PRIMARY THREATS. A BRIEF...WEAK TORNADO ALSO CANNOT
BE RULED OUT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

LANE

In the hours before

Special weather statement, Jul 27, 3:13 PM EDT, 3 hours 32 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 27, 3:53 PM EDT, 2 hours 52 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 27, 6:12 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
612 PM EDT SAT JUL 27 2013

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

0215 PM     FLOOD            2 SW NEWTON             35.65N 81.24W
07/27/2013                   CATAWBA            NC   TRAINED SPOTTER

            4 HOMES REPORTED EVACUATED AS FLOOD WATERS CONTINUE TO
            RISE AT THE INTERSECTION OF BOSTON ROAD AND HIGHWAY 10.
            CATAWBA COUNTY OFFICIALS HAVE SAID AT THE HEIGHT OF THE
            FLOODING AS MANY AS 60 ROADS IN THE COUNTY HAD SOME LEVEL
            OF FLOODING.

&&

OUTLAW
Special weather statement, Jul 27, 6:17 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
617 PM EDT SAT JUL 27 2013

NCZ049-053-505-272300-
BUNCOMBE-MCDOWELL MOUNTAINS-YANCEY-
617 PM EDT SAT JUL 27 2013

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MCDOWELL...NORTHEASTERN
BUNCOMBE AND SOUTHEASTERN YANCEY COUNTIES THROUGH 700 PM EDT...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTH OF SWANNANOA...OR 11 MILES
NORTHEAST OF DOWNTOWN ASHEVILLE...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  BLACK MOUNTAIN...
  BUSICK...

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

LAT...LON 3586 8214 3582 8214 3585 8209 3572 8202
      3570 8204 3563 8206 3554 8242 3571 8251
      3588 8215

07
Local storm report, Jul 27, 6:32 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
632 PM EDT SAT JUL 27 2013

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

0215 PM     FLOOD            5 NNE NEWTON            35.74N 81.19W
07/27/2013                   CATAWBA            NC   TRAINED SPOTTER

            THE ROAD CONTINUES TO BE CLOSED THIS AFTERNOON AT THE
            INTERSECTION OF HIGHWAY 16 AND C AND B FARM ROAD AT LYLE
            CREEK.

0215 PM     FLOOD            4 NNE NEWTON            35.72N 81.19W
07/27/2013                   CATAWBA            NC   TRAINED SPOTTER

            ROAD CLOSED DUE TO FLOODING AT THE INTERSECTION OF ROCK
            BARN ROAD AND MCLIN CREEK ROAD.

0215 PM     FLOOD            5 NE VALE               35.58N 81.32W
07/27/2013                   CATAWBA            NC   TRAINED SPOTTER

            ROAD CONTINUES TO BE CLOSED LATE THIS AFTERNOON DUE TO
            FLOODING AT THE INTERSECTION OF POTTS CREEK ROAD AND
            REEPSVILLE ROAD WHERE POTT CREEK IS OUT OF ITS BANKS.

&&

OUTLAW
Special weather statement, Jul 27, 6:37 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
637 PM EDT SAT JUL 27 2013

NCZ068-508-SCZ008-272315-
CHEROKEE-CLEVELAND-GREATER RUTHERFORD-
637 PM EDT SAT JUL 27 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CHEROKEE...SOUTHERN
RUTHERFORD AND SOUTHWESTERN CLEVELAND COUNTIES THROUGH 715 PM EDT...

AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF HARRIS...OR 12 MILES SOUTHEAST OF
RUTHERFORDTON...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CLIFFSIDE...
  BOILING SPRINGS NC...

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

LAT...LON 3525 8146 3501 8156 3513 8185 3519 8188
      3519 8194 3534 8187

07

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:16 PM EDTSpecial Weather StatementGSPGraham44 min
Jul 26, 11:38 PM EDTSpecial Weather StatementGSPTransylvania67 min
Jul 27, 12:35 AM EDTAreal Flood AdvisoryGSPHenderson115 min
Jul 27, 1:03 AM EDTAreal Flood AdvisoryGSPAvery, Burke, Caldwell87 min
Jul 27, 1:12 AM EDTSpecial Weather StatementGSPPolk48 min
Jul 27, 2:07 AM EDTSpecial Weather StatementGSPMcDowell38 min
Jul 27, 2:35 AM EDTAreal Flood AdvisoryGSPAvery, Burke, Caldwell, McDowell, Mitchell115 min
Jul 27, 5:11 AM EDTAreal Flood AdvisoryGSPCleveland, Rutherford109 min
Jul 27, 5:28 AM EDTAreal Flood AdvisoryGSPCatawba2 hr
Jul 27, 6:06 AM EDTFlash Flood WarningGSPCatawba, Cleveland, Lincoln3 hr
Jul 27, 6:53 AM EDTFlash Flood WarningGSPCatawba3 hr
Jul 27, 7:54 AM EDTAreal Flood AdvisoryGSPHenderson, Polk2 hr
Jul 27, 9:05 AM EDTFlash Flood WarningGSPCatawba, Lincoln3 hr
Jul 27, 9:52 AM EDTFlash Flood WarningGSPAlexander, Catawba, Iredell5 hr
Jul 27, 10:06 AM EDTFlash Flood WarningGSPCatawba, Lincoln5 hr
Jul 27, 10:20 AM EDTFlash Flood WarningGSPCleveland3 hr
Jul 27, 10:27 AM EDTRiver Flood WarningGSPGaston67 hr
Jul 27, 10:34 AM EDTSpecial Weather StatementGSPDavie, Iredell56 min
Jul 27, 10:59 AM EDTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln46 min
Jul 27, 11:02 AM EDTFlash Flood WatchGSPAlexander, Cabarrus, Caldwell, Catawba, Cleveland, Davie and 6 more19 hr
Jul 27, 11:26 AM EDTAreal Flood AdvisoryGSPAlexander, Catawba, Iredell12 hr
Jul 27, 12:04 PM EDTAreal Flood WarningGSPCatawba, Lincoln3 hr
Jul 27, 12:08 PM EDTAreal Flood WarningGSPAlexander, Catawba, Iredell12 hr
Jul 27, 12:44 PM EDTAreal Flood AdvisoryGSPMecklenburg106 min
Jul 27, 1:05 PM EDTSpecial Weather StatementGSPCabarrus40 min
Jul 27, 1:12 PM EDTSpecial Weather StatementGSPRowan48 min
Jul 27, 1:43 PM EDTAreal Flood AdvisoryGSPCabarrus107 min
Jul 27, 3:04 PM EDTAreal Flood WarningGSPCatawba, Iredell, Lincoln6 hr
Jul 27, 3:13 PM EDTSpecial Weather StatementGSPUnion47 min
Jul 27, 3:17 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg2 hr
Jul 27, 6:17 PM EDTSpecial Weather StatementGSPMcDowell43 min
Jul 27, 6:59 PM EDTSpecial Weather StatementGSPMcDowell46 min
Jul 27, 7:02 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford58 min
Jul 27, 7:47 PM EDTSpecial Weather StatementGSPBurke, McDowell43 min
Jul 27, 7:54 PM EDTFlash Flood WarningGSPBurke, McDowell3 hr
Jul 26, 10:05 PM EDTSpecial Weather StatementGSPPickens40 min
Jul 26, 10:33 PM EDTSpecial Weather StatementGSPPickens42 min
Jul 27, 12:12 AM EDTSpecial Weather StatementGSPGreenville48 min
Jul 27, 12:50 AM EDTSpecial Weather StatementGSPSpartanburg40 min
Jul 27, 10:30 AM EDTRiver Flood AdvisoryGSPGreenville, Pickens12 hr
Jul 27, 10:32 AM EDTSpecial Weather StatementGSPSpartanburg58 min
Jul 27, 11:12 AM EDTAreal Flood AdvisoryGSPCherokee, Spartanburg108 min
Jul 27, 6:37 PM EDTSpecial Weather StatementGSPCherokee38 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013Every severe thunderstorm 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.