Alert archive / Virginia / Special Weather Statements in 2014

Special Weather Statement, NWS Blacksburg, VA

July 23, 2014Henry County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 23, 2014, 6:47 PM EDT for Henry County, Virginia. It was in force for 28 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: Jul 23, 2014, 6:47 PM EDT (22:47 UTC)
Expired: Jul 23, 2014, 7:15 PM EDT
In force: 28 min
Issued by: NWS Blacksburg, VA

County Henry County, VA

The radar

The Roanoke radar (KFCX), 63 km from the middle of the area, began a volume at 22:51 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 47 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: 47 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 20 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 Jul 23, 5:47 PM EDT, 1 hour earlier.

Area forecast discussion, Jul 23, 5:47 PM EDT, 1 hour before

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Hazardous weather outlook, Jul 23, 4:19 AM EDT, 14 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
419 AM EDT WED JUL 23 2014

NCZ001>004-018>020-VAZ007-009>020-022>024-032>035-043-WVZ042>045-
240830-
ASHE-ALLEGHANY NC-SURRY-STOKES-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-MERCER-SUMMERS-MONROE-GREENBRIER-
419 AM EDT WED JUL 23 2014

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.

THUNDERSTORMS WILL FIRE UP THIS AFTERNOON. SOME OF THEM COULD
BECOME STRONG TO SEVERE. MAIN THREAT WILL BE DAMAGING
WINDS...ALTHOUGH ISOLATED FLOODING IS POSSIBLE AS WELL.

LATE TONIGHT...A LINE OF STORMS WILL APPROACH THE MOUNTAINS...WITH
STRONG WINDS POSSIBLE.

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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ005-006-VAZ044>047-058-059-240830-
ROCKINGHAM-CASWELL-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
419 AM EDT WED JUL 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...CENTRAL VIRGINIA AND SOUTH CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

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

A COLD FRONT ARRIVES THURSDAY WHICH WILL BRING AN ISOLATED RISK
FOR SEVERE STORMS...WITH DAMAGING WINDS THE MAIN THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 23, 6:25 PM EDT, 22 minutes before

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Local storm report, Jul 23, 6:27 PM EDT, 20 minutes before

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Special weather statement, Jul 23, 6:40 PM EDT, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
640 PM EDT WED JUL 23 2014

VAZ034-232315-
BEDFORD VA-
640 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  WEST CENTRAL BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 715 PM EDT

* AT 640 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR MONTVALE...MOVING TO THE SOUTHEAST AT 10
  MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS
  STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
  ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
  EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  MONTVALE...
  AND THAXTON.

LAT...LON 3739 7974 3745 7966 3737 7950 3728 7964
TIME...MOT...LOC 2238Z 312DEG 8KT 3740 7968

DS

Special weather statement, Jul 23, 6:45 PM EDT, 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
645 PM EDT WED JUL 23 2014

NCZ002-232315-
ALLEGHANY NC-
645 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTH CENTRAL ALLEGHANY COUNTY IN NORTHWEST NORTH CAROLINA...

* UNTIL 715 PM EDT

* AT 645 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR TWIN OAKS...MOVING TO THE SOUTHEAST AT
  10 MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS
  STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
  ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
  EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  SPARTA...
  TWIN OAKS...
  AND WHITEHEAD.

LAT...LON 3651 8121 3657 8116 3653 8102 3643 8110
      3643 8112
TIME...MOT...LOC 2243Z 312DEG 8KT 3652 8115

DS

Special weather statement, Jul 23, 6:46 PM EDT, 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
646 PM EDT WED JUL 23 2014

NCZ006-VAZ044-232315-
CASWELL NC-PITTSYLVANIA VA-
646 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHWESTERN CASWELL COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  SOUTHWESTERN PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 715 PM EDT

* AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR MAYFIELD...MOVING TO THE EAST AT 15 MPH.

* WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS STORM. VERY HEAVY
  RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND
  QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. EXPECT FREQUENT
  CLOUD TO GROUND LIGHTNING WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  DANVILLE CITY...
  PELHAM...
  AND WESTOVER HILLS.

LAT...LON 3651 7952 3654 7951 3654 7965 3663 7963
      3664 7939 3649 7944
TIME...MOT...LOC 2245Z 282DEG 14KT 3659 7958

DS

Special weather statement, Jul 23, 6:47 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
647 PM EDT WED JUL 23 2014

NCZ004-005-232315-
ROCKINGHAM NC-STOKES NC-
647 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHWESTERN ROCKINGHAM COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  NORTHEASTERN STOKES COUNTY IN NORTH CENTRAL NORTH CAROLINA...

* UNTIL 715 PM EDT

* AT 647 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR SANDY RIDGE...MOVING TO THE EAST AT 15
  MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THIS
  STORM. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
  ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
  EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  MADISON...
  SANDY RIDGE...
  MAYODAN...
  AYERSVILLE...
  AND PRICE.

LAT...LON 3646 8019 3654 8017 3654 7991 3637 7996
TIME...MOT...LOC 2245Z 282DEG 14KT 3650 8010

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 2:32 PM EDT	Special Weather Statement	RNK	Floyd	28 min
Jul 23, 2:53 PM EDT	Special Weather Statement	RNK	Bedford	37 min
Jul 23, 2:59 PM EDT	Special Weather Statement	RNK	Franklin	31 min
Jul 23, 3:33 PM EDT	Special Weather Statement	RNK	Bedford	27 min
Jul 23, 3:35 PM EDT	Special Weather Statement	RNK	Bedford	25 min
Jul 23, 4:03 PM EDT	Special Weather Statement	RNK	Patrick	57 min
Jul 23, 4:12 PM EDT	Special Weather Statement	RNK	Bedford	33 min
Jul 23, 4:19 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	26 min
Jul 23, 4:33 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	27 min
Jul 23, 4:40 PM EDT	Areal Flood Advisory	RNK	Patrick	3 hr
Jul 23, 4:57 PM EDT	Special Weather Statement	RNK	Patrick	33 min
Jul 23, 4:59 PM EDT	Special Weather Statement	RNK	City of Galax	31 min
Jul 23, 5:04 PM EDT	Areal Flood Advisory	RNK	Carroll, City of Galax	3 hr
Jul 23, 5:14 PM EDT	Special Weather Statement	RNK	City of Martinsville	31 min
Jul 23, 5:25 PM EDT	Special Weather Statement	RNK	Bath	35 min
Jul 23, 5:30 PM EDT	Special Weather Statement	RNK	Patrick	30 min
Jul 23, 5:43 PM EDT	Special Weather Statement	RNK	Patrick	32 min
Jul 23, 5:44 PM EDT	Special Weather Statement	RNK	City of Martinsville	31 min
Jul 23, 6:00 PM EDT	Special Weather Statement	RNK	Bath	30 min
Jul 23, 6:17 PM EDT	Special Weather Statement	RNK	City of Danville	28 min
Jul 23, 6:40 PM EDT	Special Weather Statement	RNK	Bedford	35 min
Jul 23, 6:46 PM EDT	Special Weather Statement	RNK	City of Danville	29 min
Jul 23, 7:29 PM EDT	Special Weather Statement	RNK	Halifax	31 min
Jul 23, 3:11 PM EDT	Special Weather Statement	RNK	Alleghany	34 min
Jul 23, 4:17 PM EDT	Special Weather Statement	RNK	Yadkin	28 min
Jul 23, 5:19 PM EDT	Special Weather Statement	RNK	Stokes	26 min
Jul 23, 5:38 PM EDT	Special Weather Statement	RNK	Watauga	37 min
Jul 23, 6:05 PM EDT	Special Weather Statement	RNK	Rockingham	25 min
Jul 23, 6:19 PM EDT	Special Weather Statement	RNK	Stokes	26 min
Jul 23, 6:21 PM EDT	Special Weather Statement	RNK	Surry	24 min
Jul 23, 6:45 PM EDT	Special Weather Statement	RNK	Alleghany	30 min
Jul 23, 6:25 PM EDT	Special Weather Statement	RNK	Greenbrier	35 min

Nearby

Special Weather Statements in Virginia, 2014 Every special weather statement in 2014

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.