Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

August 11, 2012Appomattox County, Buckingham County, Campbell County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 11, 2012, 2:30 AM EDT for Appomattox County, Buckingham County, Campbell County, Virginia. 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 outline as issued.

The facts

Issued: Aug 11, 2012, 2:30 AM EDT (06:30 UTC)
Expired: Aug 11, 2012, 3:30 AM EDT
In force: 60 min
Issued by: NWS Blacksburg, VA

Counties Appomattox County, VA, Buckingham County, VA, Campbell County, VA

The radar

The Roanoke radar (KFCX), 144 km from the middle of the area, began a volume at 06:32 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, 6.5 hours before the alert went out and 183 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: 781 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Aug 11, 1:19 AM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 11, 1:19 AM EDT, 1 hour 11 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, Aug 10, 3:23 PM EDT, 11 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
323 PM EDT FRI AUG 10 2012

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-111930-
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-
323 PM EDT FRI AUG 10 2012

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.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING AND
TONIGHT AS BANDS OR CLUSTERS OF THUNDERSTORMS DEVELOP AHEAD OF A
COLD FRONT THAT WILL PASS ACROSS OUR AREA BEGINNING THIS EVENING.
SOME OF THESE STORMS WILL BE CAPABLE OF PRODUCING LOCALLY GUSTY
WINDS...AS WELL AS POCKETS OF HEAVY RAIN WHERE STORMS BECOME SLOW
MOVING OR TRAIN OVER THE SAME LOCATIONS REPEATEDLY.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 10, 10:48 PM EDT, 3 hours 42 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, Aug 10, 11:26 PM EDT, 3 hours 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1126 PM EDT FRI AUG 10 2012

VAZ046-110400-
APPOMATTOX VA-
1126 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT APPOMATTOX COUNTY...

AT 1120 PM EDT...A STRONG THUNDERSTORM WAS LOCATED EAST OF
LYNCHBURG...OVER CONCORD...MOVING EAST AT 25 MPH.

WIND GUSTS TO 30 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
EXPECT FREQUENT CLOUD TO GROUND LIGHTNING FROM THIS STORM. FOR YOUR
SAFETY...REMAIN INDOORS AND AWAY FROM WINDOWS UNTIL THIS STORM HAS
PASSED.

THIS STORM WILL BE NEAR SPOUT SPRING AROUND 1130 PM...APPOMATTOX
AROUND 1145 PM...APPOMATTOX NATIONAL HISTORIC PARK AROUND 1155 PM AND
HIXBURG AROUND MIDNIGHT.

LAT...LON 3729 7894 3730 7895 3739 7900 3751 7876
      3745 7870 3743 7868 3742 7864 3739 7863
      3740 7859 3734 7859

Special weather statement, Aug 10, 11:59 PM EDT, 2 hours 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1159 PM EDT FRI AUG 10 2012

VAZ033-034-044-110500-
BEDFORD VA-FRANKLIN VA-PITTSYLVANIA VA-
1159 PM EDT FRI AUG 10 2012

...A STRONG THUNDERSTORM WILL AFFECT BEDFORD...FRANKLIN AND
PITTSYLVANIA COUNTIES...INCLUDING SMITH MOUNTAIN LAKE...

AT 1155 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST
OF SYDNORSVILLE...MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS STORM...IN ADDITION TO
VERY HEAVY RAIN. WATER WILL POND ON ROADS AND QUICKLY FILL ROADSIDE
DITCHES. EXPECT FREQUENT CLOUD TO GROUND LIGHTNING FROM THIS STORM.
DO NOT STAY IN THE OPEN.  THIS STORM IS HEADED FOR SMITH MOUNTAIN
LAKE.  BOATERS SHOULD SEEK SHELTER UNTIL THIS STORM HAS PASSED.

THIS STORM WILL BE NEAR SONTAG AROUND 1205 AM...SMITH MOUNTAIN LAKE
AND PENHOOK AROUND 1230 AM...AJAX AROUND 1240 AM...SMITH MOUNTAIN
LAKE STATE PARK AROUND 1245 AM AND MONETA AROUND 1255 AM.

LAT...LON 3682 7993 3694 8005 3730 7953 3714 7939
      3706 7944 3706 7941 3709 7941 3710 7937
      3712 7938 3712 7936 3708 7933 3681 7990

Special weather statement, Aug 11, 12:30 AM EDT, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1230 AM EDT SAT AUG 11 2012

NCZ003>005-020-110530-
ROCKINGHAM NC-STOKES NC-SURRY NC-YADKIN NC-
1230 AM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL AFFECT ROCKINGHAM...STOKES...SURRY AND
YADKIN COUNTIES...

AT 1227 AM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER BOONVILLE...
MOVING EAST AT 25 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN
WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. EXPECT FREQUENT
CLOUD TO GROUND LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN OR
SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN
A THUNDERSTORM APPROACHES.

THIS STORM WILL BE NEAR NEBO...ROCKFORD...AND SHACKTOWN AROUND 1235
AM...LEVEL CROSS...AND HUNTSVILLE AROUND 1245 AM...SILOAM...AND EAST
BEND AROUND 1250 AM...ENON AROUND 1255 AM AND PILOT MOUNTAIN STATE
PARK AROUND 105 AM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

LAT...LON 3606 8087 3629 8086 3655 7998 3654 7994
      3625 7987 3626 8044 3614 8044 3611 8046
      3610 8050 3604 8050

KK

Special weather statement, Aug 11, 1:17 AM EDT, 1 hour 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
117 AM EDT SAT AUG 11 2012

VAZ033-034-044-045-110615-
BEDFORD VA-CAMPBELL VA-FRANKLIN VA-PITTSYLVANIA VA-
117 AM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL AFFECT BEDFORD...CAMPBELL...FRANKLIN
AND PITTSYLVANIA COUNTIES...

AT 114 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
PENHOOK...MOVING NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR CLIMAX...AND SMITH MOUNTAIN LAKE STATE PARK
AROUND 125 AM...PITTSVILLE AROUND 130 AM...GRETNA...AND HUDDLESTON
AROUND 140 AM...CHALK LEVEL AROUND 145 AM...LEESVILLE AROUND 150
AM...HURT AND AND ALTAVISTA AROUND 155 AM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

LAT...LON 3703 7901 3706 7909 3698 7912 3676 7964
      3679 7966 3685 7964 3683 7967 3699 7975
      3739 7919 3708 7888

KK

Special weather statement, Aug 11, 2:30 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
230 AM EDT SAT AUG 11 2012

VAZ045>047-110730-
APPOMATTOX VA-BUCKINGHAM VA-CAMPBELL VA-
230 AM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL AFFECT APPOMATTOX...BUCKINGHAM AND
CAMPBELL COUNTIES...

AT 227 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES NORTHWEST
OF BROOKNEAL...MOVING NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR HAT CREEK...AND RUSTBURG AROUND 235 AM...
SPRING MILLS...AND MIKE AROUND 240 AM...CONCORD AROUND 250 AM...SPOUT
SPRING...AND STONEWALL AROUND 255 AM...EVERGREEN...AND APPOMATTOX
AROUND 300 AM AND APPOMATTOX NATIONAL HISTORIC PARK AROUND 305 AM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

LAT...LON 3735 7855 3737 7859 3734 7859 3728 7865
      3722 7875 3723 7878 3717 7884 3705 7903
      3720 7921 3750 7894 3755 7887 3754 7883
      3764 7882 3764 7872 3770 7869 3769 7865
      3771 7866 3773 7864 3748 7835

KK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 9:40 PM EDT	Special Weather Statement	RNK	City of Martinsville	35 min
Aug 10, 9:54 PM EDT	Special Weather Statement	RNK	Franklin	36 min
Aug 10, 10:38 PM EDT	Special Weather Statement	RNK	Campbell, City of Lynchburg	52 min
Aug 10, 11:26 PM EDT	Special Weather Statement	RNK	Appomattox	34 min
Aug 10, 11:59 PM EDT	Special Weather Statement	RNK	Franklin	61 min
Aug 11, 1:17 AM EDT	Special Weather Statement	RNK	Campbell	58 min
Aug 11, 5:14 AM EDT	Special Weather Statement	RNK	Halifax	61 min
Aug 11, 7:21 PM EDT	Special Weather Statement	RNK	City of Martinsville	39 min
Aug 11, 7:24 PM EDT	Severe Thunderstorm Warning	RNK	Henry, City of Martinsville	37 min
Aug 10, 9:17 PM EDT	Special Weather Statement	RNK	Wilkes	43 min
Aug 10, 9:48 PM EDT	Areal Flood Advisory	RNK	Wilkes	3 hr
Aug 10, 10:23 PM EDT	Special Weather Statement	RNK	Surry, Wilkes	37 min
Aug 10, 10:48 PM EDT	Special Weather Statement	RNK	Yadkin	27 min
Aug 11, 12:30 AM EDT	Special Weather Statement	RNK	Stokes, Yadkin	60 min
Aug 11, 1:14 AM EDT	Areal Flood Advisory	RNK	Stokes, Surry, Yadkin	4 hr
Aug 11, 5:01 AM EDT	Special Weather Statement	RNK	Wilkes	59 min
Aug 11, 5:17 AM EDT	Severe Thunderstorm Warning	RNK	Watauga, Wilkes	36 min
Aug 11, 1:30 PM EDT	Special Weather Statement	RNK	Caswell	30 min
Aug 11, 2:08 PM EDT	Special Weather Statement	RNK	Caswell	52 min
Aug 11, 6:05 PM EDT	Special Weather Statement	RNK	Rockingham	25 min
Aug 11, 6:34 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham, Stokes	41 min

Nearby

Special Weather Statements in Virginia, 2012 Every special weather statement in 2012

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.