Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

April 25, 2011Wythe County, Virginia

NWS Blacksburg, VA issued this special weather statement at Apr 25, 2011, 2:15 PM EDT for Wythe County, Virginia. It was in force for 45 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: Apr 25, 2011, 2:15 PM EDT (18:15 UTC)
Expired: Apr 25, 2011, 3:00 PM EDT
In force: 45 min
Issued by: NWS Blacksburg, VA

County Wythe County, VA

The radar

The Roanoke radar (KFCX), 88 km from the middle of the area, began a volume at 18:15 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, 6.3 hours before the alert went out and 149 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: 593 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -61 m²/s²
0-3 km storm-relative helicity: -18 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.

<!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>

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 Apr 25, 1:56 PM EDT, 19 minutes earlier.

Area forecast discussion, Apr 25, 1:56 PM EDT, 19 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, Apr 25, 4:57 AM EDT, 9 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
457 AM EDT MON APR 25 2011

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-261000-
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-
GREENBRIER-
457 AM EDT MON APR 25 2011

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...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TUESDAY AFTERNOON
AS WELL AS WEDNESDAY INTO THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Apr 25, 12:58 PM EDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1258 PM EDT MON APR 25 2011

VAZ009-012-015-251800-
GRAYSON VA-SMYTH VA-WYTHE VA-
1258 PM EDT MON APR 25 2011

...A STRONG THUNDERSTORM WILL AFFECT GRAYSON...SMYTH AND WYTHE
COUNTIES...

AT 1257 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES SOUTHEAST
OF SUGAR GROVE...MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

THIS STORM WILL BE NEAR COMERS ROCK AROUND 105 PM...COMERS ROCK...AND
ELK CREEK AROUND 110 PM...MARION WYTHEVILLE AROUND 120 PM...
SPEEDWELL...AND RURAL RETREAT AROUND 125 PM...CRIPPLE CREEK...AND
RURAL RETREAT AROUND 130 PM AND CROCKETT AROUND 135 PM.

LAT...LON 3699 8133 3700 8131 3703 8108 3695 8081
      3694 8080 3681 8102 3682 8103 3679 8104
      3658 8129 3659 8156

WERT

Special weather statement, Apr 25, 12:59 PM EDT, 1 hour 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1259 PM EDT MON APR 25 2011

NCZ001-018-251800-
ASHE NC-WATAUGA NC-
1259 PM EDT MON APR 25 2011

...A STRONG THUNDERSTORM WILL AFFECT ASHE AND WATAUGA COUNTIES...

AT 1257 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES WEST OF
BOONE...MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

THIS STORM WILL BE NEAR LOVILL...SUGAR GROVE...AND AHO AROUND 105
PM...BOONE AROUND 110 PM...SANDS...SILVERSTONE...AND REESE AROUND 115
PM...MEAT CAMP...AND RUTHERWOOD AROUND 120 PM AND TODD AROUND 125 PM.

LAT...LON 3636 8180 3635 8173 3641 8175 3647 8170
      3654 8171 3659 8168 3657 8136 3639 8127
      3636 8131 3637 8136 3632 8137 3611 8166
      3610 8179 3613 8183 3619 8185 3619 8189

WERT

Special weather statement, Apr 25, 1:09 PM EDT, 1 hour 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
109 PM EDT MON APR 25 2011

NCZ019-251815-
WILKES NC-
109 PM EDT MON APR 25 2011

...A STRONG THUNDERSTORM WILL AFFECT WILKES COUNTY...

AT 106 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
OF LENOIR...MOVING NORTHEAST AT 15 MPH.

WIND GUSTS TO 50 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

THIS STORM WILL BE NEAR ELKVILLE AROUND 135 PM...DARBY AROUND 140
PM...BOOMER AROUND 150 PM...BOOMER AROUND 155 PM...WILKESBORO
RESERVOIR AROUND 200 PM...MAPLE SPRINGS AND AND MORAVIAN FALLS AROUND
210 PM.

LAT...LON 3607 8142 3610 8152 3614 8151 3620 8146
      3624 8147 3629 8141 3629 8137 3636 8137
      3637 8134 3630 8097 3602 8122 3602 8127
      3599 8133

WERT

Special weather statement, Apr 25, 1:24 PM EDT, 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
124 PM EDT MON APR 25 2011

VAZ009-251830-
SMYTH VA-
124 PM EDT MON APR 25 2011

...A STRONG THUNDERSTORM WILL AFFECT SMYTH COUNTY...

AT 120 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER WHITETOP...
MOVING NORTHEAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR THOMAS BRIDGE...ADWOLF...AND CHILHOWIE AROUND
150 PM...QUARRY...AND SALTVILLE AROUND 155 PM...ALLISON GAP AROUND
200 PM...MARION AROUND 205 PM...HUNGRY MOTHER STATE PARK...AND
BROADFORD AROUND 210 PM AND ATKINS AROUND 215 PM.

LAT...LON 3696 8179 3698 8171 3693 8167 3699 8158
      3701 8148 3699 8147 3701 8144 3693 8136
      3671 8149 3671 8153 3666 8154 3663 8161
      3668 8166 3679 8170 3693 8184

WERT

Special weather statement, Apr 25, 2:15 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
215 PM EDT MON APR 25 2011

VAZ009-010-012-015-251900-
BLAND VA-GRAYSON VA-SMYTH VA-WYTHE VA-
215 PM EDT MON APR 25 2011

...SCATTERED THUNDERSTORMS WILL AFFECT BLAND...GRAYSON...SMYTH AND
WYTHE COUNTIES...

AT 211 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 4 MILES
WEST OF RURAL RETREAT TO TROUTDALE...MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
OR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR FLATRIDGE AROUND 220 PM...COMERS ROCK
AROUND 225 PM...CERES AROUND 230 PM...SPEEDWELL AROUND 240 PM...RURAL
RETREAT...AND CRIPPLE CREEK AROUND 245 PM AND CROCKETT AROUND 250 PM.

LAT...LON 3691 8136 3701 8143 3713 8112 3682 8097
      3682 8103 3679 8103 3659 8164

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 12:58 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	62 min
Apr 25, 1:24 PM EDT	Special Weather Statement	RNK	Smyth	66 min
Apr 25, 2:30 PM EDT	Special Weather Statement	RNK	Smyth	45 min
Apr 25, 3:08 PM EDT	Special Weather Statement	RNK	Tazewell	37 min
Apr 25, 3:13 PM EDT	Severe Thunderstorm Warning	RNK	Smyth, Tazewell	32 min
Apr 25, 3:21 PM EDT	Special Weather Statement	RNK	Carroll	39 min
Apr 25, 3:51 PM EDT	Special Weather Statement	RNK	Smyth, Tazewell	39 min
Apr 25, 3:58 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	62 min
Apr 25, 4:44 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Smyth, Wythe	61 min
Apr 25, 5:17 PM EDT	Tornado Warning	RNK	Wythe	14 min
Apr 25, 5:47 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Pulaski, Wythe	11 min
Apr 25, 6:06 PM EDT	Special Weather Statement	RNK	Bath	24 min
Apr 25, 6:55 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Smyth, Tazewell	30 min
Apr 25, 12:59 PM EDT	Special Weather Statement	RNK	Ashe, Watauga	61 min
Apr 25, 1:09 PM EDT	Special Weather Statement	RNK	Wilkes	66 min
Apr 25, 1:41 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Wilkes	64 min
Apr 25, 4:08 PM EDT	Special Weather Statement	RNK	Ashe	37 min
Apr 25, 4:47 PM EDT	Special Weather Statement	RNK	Ashe	43 min
Apr 25, 3:24 PM EDT	Special Weather Statement	RNK	Mercer	51 min
Apr 25, 3:54 PM EDT	Special Weather Statement	RNK	Summers	51 min
Apr 25, 4:41 PM EDT	Special Weather Statement	RNK	Greenbrier	49 min
Apr 25, 4:58 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	32 min

Nearby

Special Weather Statements in Virginia, 2011 Every special weather statement in 2011

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.