Alert archive / North Carolina / Flash Flood Watches in 2016

Flash Flood Watch 1, NWS Greenville-Spartanburg, SC

February 3, 201622 counties in North Carolina; 4 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood watch at Feb 3, 2016, 4:11 AM EST for 22 counties in North Carolina; 4 counties in South Carolina. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 2016, 4:11 AM EST (09:11 UTC)
Expired
Feb 3, 2016, 2:57 PM EST
In force
11 hr
Issued by
NWS Greenville-Spartanburg, SC
Flood severity
None
All 26 counties

Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Cherokee County, SC, Chester County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 92 km from the middle of the area, began a volume at 09:11 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

Roanoke, VA (KRNK), launched 00:00Z, 9.2 hours before the alert went out and 263 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, Roanoke, VA at 00:00Z on 2016-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Roanoke, VA at 00:00Z on 2016-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 505 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
505 m²/s²
0-3 km storm-relative helicity
607 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 watch 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 watch went out at Feb 3, 3:54 AM EST, 17 minutes earlier.

Area forecast discussion, Feb 3, 3:54 AM EST, 17 minutes before
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Hazardous weather outlook, Feb 2, 9:38 PM EST, 6 hours 33 minutes before
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  <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 9:33 PM ESTWind AdvisoryGSPAvery, Buncombe, Graham, Haywood, Jackson, McDowell and 6 more12 hr
Feb 3, 6:32 AM ESTSpecial Weather StatementGSPGraham, Macon, Swain58 min
Feb 3, 6:34 AM ESTAreal Flood AdvisoryGSPGraham, Jackson, Macon, Swain3 hr
Feb 3, 6:37 AM ESTAreal Flood AdvisoryGSPHenderson, Transylvania3 hr
Feb 3, 7:33 AM ESTSpecial Weather StatementGSPMacon57 min
Feb 3, 7:45 AM ESTFlash Flood WarningGSPHenderson, Transylvania6 hr
Feb 3, 8:57 AM ESTAreal Flood AdvisoryGSPAvery, Buncombe, Burke, Caldwell, McDowell, Mitchell and 1 more3 hr
Feb 3, 9:01 AM ESTAreal Flood AdvisoryGSPPolk, Rutherford3 hr
Feb 3, 9:27 AM ESTAreal Flood AdvisoryGSPGraham, Jackson, Macon, Swain3 hr
Feb 3, 9:37 AM ESTSpecial Weather StatementGSPAvery, Burke, Caldwell, McDowell38 min
Feb 3, 9:49 AM ESTSpecial Weather StatementGSPAvery, Burke, Caldwell, McDowell26 min
Feb 3, 10:10 AM ESTRiver Flood WarningGSPHenderson, Transylvania66 hr
Feb 3, 10:37 AM ESTFlash Flood WarningGSPBuncombe, McDowell6 hr
Feb 3, 10:48 AM ESTFlash Flood WarningGSPBurke, Caldwell6 hr
Feb 3, 10:54 AM ESTSpecial Weather StatementGSPCleveland, Gaston51 min
Feb 3, 10:58 AM ESTFlash Flood WarningGSPAvery, Mitchell, Yancey4 hr
Feb 3, 11:04 AM ESTSpecial Weather StatementGSPIredell41 min
Feb 3, 11:10 AM ESTAreal Flood AdvisoryGSPAlexander, Catawba, Cleveland, Gaston, Iredell, Lincoln3 hr
Feb 3, 11:24 AM ESTFlash Flood WarningGSPPolk, Rutherford3 hr
Feb 3, 11:28 AM ESTRiver Flood AdvisoryGSPBuncombe12 hr
Feb 3, 11:41 AM ESTSpecial Weather StatementGSPGaston, Mecklenburg49 min
Feb 3, 11:44 AM ESTFlash Flood WarningGSPAlexander, Catawba4 hr
Feb 3, 12:21 PM ESTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union24 min
Feb 3, 12:31 PM ESTAreal Flood AdvisoryGSPCabarrus, Mecklenburg, Union3 hr
Feb 3, 12:32 PM ESTSpecial Weather StatementGSPDavie, Rowan43 min
Feb 3, 12:45 PM ESTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Rowan15 min
Feb 3, 12:50 PM ESTRiver Flood AdvisoryGSPHaywood12 hr
Feb 3, 12:57 PM ESTRiver Flood AdvisoryGSPSwain12 hr
Feb 3, 12:57 PM ESTSpecial Weather StatementGSPUnion63 min
Feb 3, 1:36 PM ESTRiver Flood WarningGSPMadison30 hr
Feb 3, 1:55 PM ESTAreal Flood AdvisoryGSPHenderson, Transylvania12 hr
Feb 3, 1:58 PM ESTSpecial Weather StatementGSPUnion47 min
Feb 3, 2:00 PM ESTAreal Flood AdvisoryGSPPolk, Rutherford3 hr
Feb 3, 2:24 PM ESTRiver Flood WarningGSPBuncombe, Henderson41 hr
Feb 3, 2:53 PM ESTFlash Flood WarningGSPMcDowell3 hr
Feb 3, 3:43 PM ESTAreal Flood AdvisoryGSPAlexander, Avery, Buncombe, Burke, Caldwell, Catawba and 5 more6 hr
Feb 3, 8:55 AM ESTSpecial Weather StatementGSPAnderson35 min
Feb 3, 9:32 AM ESTSpecial Weather StatementGSPAnderson43 min
Feb 3, 10:14 AM ESTSpecial Weather StatementGSPSpartanburg46 min
Feb 3, 10:52 AM ESTAreal Flood AdvisoryGSPAbbeville, Anderson, Cherokee, Greenville, Greenwood, Laurens and 2 more3 hr
Feb 3, 11:14 AM ESTSpecial Weather StatementGSPGreenwood, Laurens, Union46 min
Feb 3, 11:35 AM ESTAreal Flood AdvisoryGSPChester, York3 hr
Feb 3, 11:57 AM ESTSpecial Weather StatementGSPGreenwood, Union48 min
Feb 3, 12:43 PM ESTSpecial Weather StatementGSPChester47 min
Feb 3, 1:31 PM ESTSpecial Weather StatementGSPChester14 min
Feb 3, 7:00 AM ESTSpecial Weather StatementGSPHabersham, Rabun45 min
Feb 3, 8:24 AM ESTSpecial Weather StatementGSPFranklin, Hart36 min
Feb 3, 9:45 AM ESTAreal Flood AdvisoryGSPRabun3 hr

Nearby

Flash Flood Watches in North Carolina, 2016Flash Flood Watches in South Carolina, 2016Every flash flood watch 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.