Alert archive / North Carolina / Special Weather Statements in 2015

Special Weather Statement, NWS Blacksburg, VA

September 10, 2015City of Danville, Virginia; Rockingham County, Stokes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Sep 10, 2015, 2:21 PM EDT for City of Danville, Virginia; Rockingham County, Stokes County, North Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 10, 2015, 2:21 PM EDT (18:21 UTC)
Expired
Sep 10, 2015, 3:15 PM EDT
In force
54 min
Issued by
NWS Blacksburg, VA

Counties Rockingham County, NC, Stokes County, NC, City of Danville, VA

The radar

The Roanoke radar (KFCX), 80 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 33 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 2015-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 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 2015-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
261 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
684 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Sep 9, 7:04 PM EDT, 19 hours 17 minutes earlier.

Area forecast discussion, Sep 9, 7:04 PM EDT, 19 hours 17 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Sep 9, 3:53 PM EDT, 22 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
353 PM EDT WED SEP 9 2015

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-102000-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
EASTERN GREENBRIER-WESTERN GREENBRIER-
353 PM EDT WED SEP 9 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE INTO THE
OVERNIGHT HOURS. SOME OF THESE MAY PRODUCE LOCALLY HEAVY RAINFALL.

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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 9, 8:00 PM EDTSpecial Weather StatementRNKPittsylvania, City of Danville15 min
Sep 9, 8:17 PM EDTSpecial Weather StatementRNKPittsylvania, City of Danville, City of Martinsville58 min
Sep 9, 9:00 PM EDTSpecial Weather StatementRNKCity of Danville15 min
Sep 9, 9:17 PM EDTSpecial Weather StatementRNKHalifax, Pittsylvania58 min
Sep 9, 10:13 PM EDTSpecial Weather StatementRNKCampbell, Charlotte, Halifax62 min
Sep 10, 2:13 PM EDTSpecial Weather StatementRNKAppomattox, Buckingham62 min
Sep 10, 2:53 PM EDTSpecial Weather StatementRNKAppomattox22 min
Sep 10, 4:09 PM EDTSpecial Weather StatementRNKAmherst66 min
Sep 10, 4:39 PM EDTSpecial Weather StatementRNKCity of Lynchburg36 min
Sep 10, 4:42 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington48 min
Sep 10, 5:02 PM EDTSpecial Weather StatementRNKPatrick58 min
Sep 10, 5:14 PM EDTSpecial Weather StatementRNKAppomattox, City of Lynchburg61 min
Sep 10, 5:40 PM EDTSpecial Weather StatementRNKPittsylvania, City of Martinsville65 min
Sep 10, 6:16 PM EDTSpecial Weather StatementRNKAppomattox59 min
Sep 10, 6:20 PM EDTSpecial Weather StatementRNKHenry25 min
Sep 10, 6:35 PM EDTSpecial Weather StatementRNKCampbell40 min
Sep 10, 7:18 PM EDTSpecial Weather StatementRNKCharlotte57 min
Sep 10, 3:16 PM EDTSpecial Weather StatementRNKRockingham59 min
Sep 10, 3:49 PM EDTSpecial Weather StatementRNKSurry, Wilkes56 min
Sep 10, 4:23 PM EDTSpecial Weather StatementRNKYadkin22 min

Nearby

Special Weather Statements in North Carolina, 2015Special Weather Statements in Virginia, 2015Every special weather statement 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.