Alert archive / North Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Blacksburg, VA

April 29, 2014Caswell County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Apr 29, 2014, 12:39 PM EDT for Caswell County, North Carolina. It was in force for 51 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 29, 2014, 12:39 PM EDT (16:39 UTC)
Expired: Apr 29, 2014, 1:30 PM EDT
In force: 51 min
Issued by: NWS Blacksburg, VA

County Caswell County, NC

The radar

The Raleigh/Durham radar (KRAX), 108 km from the middle of the area, began a volume at 16:39 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, 4.7 hours before the alert went out and 61 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 478 m²/s²
0-3 km storm-relative helicity: 540 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 Apr 29, 11:23 AM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Apr 29, 11:23 AM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Apr 29, 3:41 AM EDT, 8 hours 58 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
341 AM EDT TUE APR 29 2014

NCZ001>003-018>020-VAZ009>018-022-032-033-300745-
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-YADKIN-SMYTH-BLAND-GILES-
WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ROANOKE-PATRICK-
FRANKLIN-
341 AM EDT TUE APR 29 2014

...FLASH FLOOD WATCH IN EFFECT THIS MORNING THROUGH WEDNESDAY
EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
TONIGHT. THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

IN ADDITION...THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS
WEDNESDAY. AT THIS TIME CONFIDENCE IS HIGHEST THAT THE PRIMARY
THREAT WILL BE FOR DAMAGING WINDS WITHIN LINES OF STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

VAZ023-024-034-035-300745-
BOTETOURT-ROCKBRIDGE-BEDFORD-AMHERST-
341 AM EDT TUE APR 29 2014

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA AND WEST CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
TONIGHT. THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

IN ADDITION...THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS
WEDNESDAY. AT THIS TIME CONFIDENCE IS HIGHEST THAT THE PRIMARY
THREAT WILL BE FOR DAMAGING WINDS WITHIN LINES OF STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

NCZ004>006-VAZ043>047-058-059-300745-
STOKES-ROCKINGHAM-CASWELL-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-
BUCKINGHAM-HALIFAX-CHARLOTTE-
341 AM EDT TUE APR 29 2014

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
TONIGHT. THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS
ALTHOUGH AN ISOLATED TORNADO COULD OCCUR ESPECIALLY OVERNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

IN ADDITION...THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS
WEDNESDAY. AT THIS TIME CONFIDENCE IS HIGHEST THAT THE PRIMARY
THREAT WILL BE FOR DAMAGING WINDS WITHIN LINES OF STORMS.
HOWEVER THERE IS ALSO A CHANCE THAT SOME STORMS COULD PRODUCE
TORNADOES AS WELL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

VAZ019-020-300745-
ALLEGHANY VA-BATH-
341 AM EDT TUE APR 29 2014

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
TONIGHT. THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS ON WEDNESDAY.
THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

VAZ007-WVZ042>045-300745-
TAZEWELL-MERCER-SUMMERS-MONROE-GREENBRIER-
341 AM EDT TUE APR 29 2014

...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
TONIGHT. THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS ON WEDNESDAY.
THE PRIMARY THREAT IS EXPECTED TO BE DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Apr 29, 6:49 AM EDT, 5 hours 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
649 AM EDT TUE APR 29 2014

NCZ001-002-018-019-291145-
WATAUGA NC-ASHE NC-ALLEGHANY NC-WILKES NC-
649 AM EDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  EAST CENTRAL WATAUGA COUNTY IN NORTHWEST NORTH CAROLINA...
  SOUTHEASTERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA...
  ALLEGHANY COUNTY IN NORTHWEST NORTH CAROLINA...
  CENTRAL WILKES COUNTY IN NORTHWEST NORTH CAROLINA...

* UNTIL 745 AM EDT

* AT 646 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING CLUSTERS OF SHOWERS AND THUNDERSTORMS NEAR MAPLE
  SPRINGS...MOVING TO THE NORTHEAST AT 35 MPH.

* VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON
  ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
  AN ADDITIONAL INCH OF RAIN COULD FALL ACROSS WESTERN WILKES COUNTY
  THROUGH 8 AM.

* LOCATIONS IMPACTED INCLUDE...
  MC GRADY...
  WILBAR...
  LAUREL SPRINGS...
  SPARTA...
  AND HALLS MILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.

&&

LAT...LON 3608 8134 3619 8153 3657 8117 3650 8093
      3644 8097
TIME...MOT...LOC 1042Z 218DEG 31KT 3621 8138

JH

Special weather statement, Apr 29, 7:30 AM EDT, 5 hours 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
730 AM EDT TUE APR 29 2014

VAZ034-035-045-291215-
AMHERST VA-BEDFORD VA-CAMPBELL VA-
730 AM EDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  SOUTHWESTERN AMHERST COUNTY IN CENTRAL VIRGINIA...
  CENTRAL BEDFORD COUNTY IN SOUTH CENTRAL VIRGINIA...
  NORTHWESTERN CAMPBELL COUNTY IN CENTRAL VIRGINIA...

* UNTIL 815 AM EDT

* AT 729 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR BEDFORD CITY...MOVING TO THE NORTHEAST
  AT 35 MPH.

* WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  LYNCHBURG CITY...
  EVINGTON...
  FOREST...
  BEDFORD CITY...
  AND HUDDLESTON.

THIS INCLUDES LIBERTY UNIVERSITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT STAY IN THE OPEN OR SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. SEEK SHELTER INSIDE A STURDY BUILDING OR IN A VEHICLE.

&&

LAT...LON 3710 7955 3733 7968 3761 7921 3738 7899
      3736 7898
TIME...MOT...LOC 1125Z 236DEG 32KT 3726 7950

CF

Special weather statement, Apr 29, 8:13 AM EDT, 4 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
813 AM EDT TUE APR 29 2014

VAZ035-045>047-291300-
APPOMATTOX VA-AMHERST VA-BUCKINGHAM VA-CAMPBELL VA-
813 AM EDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHWESTERN APPOMATTOX COUNTY IN CENTRAL VIRGINIA...
  SOUTHEASTERN AMHERST COUNTY IN CENTRAL VIRGINIA...
  NORTHWESTERN BUCKINGHAM COUNTY IN CENTRAL VIRGINIA...
  NORTH CENTRAL CAMPBELL COUNTY IN CENTRAL VIRGINIA...

* UNTIL 900 AM EDT

* AT 812 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR RIVERVILLE...MOVING TO THE NORTHEAST AT
  45 MPH.

* WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  CONCORD...
  AMHERST...
  CLIFFORD...
  BENT CREEK...
  AND STONEWALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT STAY IN THE OPEN OR SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. SEEK SHELTER INSIDE A STURDY BUILDING OR IN A VEHICLE.

&&

LAT...LON 3733 7900 3761 7923 3771 7904 3769 7898
      3755 7890 3754 7883 3758 7883 3760 7881
      3763 7882 3763 7872 3770 7869 3769 7864
      3772 7865 3776 7861 3776 7854 3764 7844
TIME...MOT...LOC 1208Z 238DEG 40KT 3752 7901

CF

Special weather statement, Apr 29, 12:39 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 3:38 AM EDT	Special Weather Statement	RNK	Carroll, City of Galax	67 min
Apr 29, 4:37 AM EDT	Special Weather Statement	RNK	Floyd, Henry, Patrick, City of Martinsville	53 min
Apr 29, 4:38 AM EDT	Special Weather Statement	RNK	Grayson	52 min
Apr 29, 5:27 AM EDT	Special Weather Statement	RNK	Bedford, Franklin, Henry, Pittsylvania, City of Danville, City of Martinsville	63 min
Apr 29, 5:35 AM EDT	Special Weather Statement	RNK	Carroll, Floyd, Patrick	55 min
Apr 29, 7:30 AM EDT	Special Weather Statement	RNK	Bedford, City of Lynchburg	45 min
Apr 29, 8:13 AM EDT	Special Weather Statement	RNK	Amherst	47 min
Apr 29, 10:52 AM EDT	River Flood Warning	RNK	Halifax	5 days
Apr 29, 10:52 AM EDT	River Flood Warning	RNK	Charlotte, Halifax	69 hr
Apr 29, 10:52 AM EDT	River Flood Warning	RNK	Pittsylvania, City of Danville	3 days
Apr 29, 10:52 AM EDT	River Flood Warning	RNK	Halifax	4 days
Apr 29, 1:40 PM EDT	Special Weather Statement	RNK	Halifax	35 min
Apr 29, 3:19 PM EDT	Special Weather Statement	RNK	Charlotte	26 min
Apr 29, 4:31 PM EDT	Special Weather Statement	RNK	Charlotte	29 min
Apr 29, 2:53 AM EDT	Special Weather Statement	RNK	Alleghany, Ashe, Watauga, Wilkes	52 min
Apr 29, 6:49 AM EDT	Special Weather Statement	RNK	Alleghany	56 min

Nearby

Special Weather Statements in North Carolina, 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.