Alert archive / Virginia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Blacksburg, VA

May 27, 2014Appomattox County, Buckingham County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 27, 2014, 5:25 PM EDT for Appomattox County, Buckingham County, Virginia. It was in force for 95 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 27, 2014, 5:25 PM EDT (21:25 UTC)
Expired: May 27, 2014, 7:00 PM EDT
In force: 95 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Appomattox County, VA, Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 156 km from the middle of the area, began a volume at 21:25 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.

What was reported inside it

Time	Report	Where	Remark
May 27, 5:45 PM EDT	TSTM WND DMG	3 Wnw Buckingham, VA	TREES DOWN ON RT 602.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.4 hours before the alert went out and 85 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: 195 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 731 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 56 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.

655 
WUUS51 KRNK 272125
SVRRNK
VAC011-029-272300-
/O.NEW.KRNK.SV.W.0021.140527T2125Z-140527T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
525 PM EDT TUE MAY 27 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUCKINGHAM COUNTY IN CENTRAL VIRGINIA...
  NORTHEASTERN APPOMATTOX COUNTY IN CENTRAL VIRGINIA...

* UNTIL 700 PM EDT

* AT 524 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR CENTENARY TO NEAR BENT CREEK...MOVING EAST AT
  25 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BUCKINGHAM...
  DILLWYN...
  BENT CREEK...
  WINGINA...
  AND GOLD HILL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.

&&

LAT...LON 3735 7845 3733 7849 3736 7858 3740 7859
      3737 7860 3738 7862 3754 7886 3754 7883
      3758 7883 3764 7881 3763 7872 3767 7871
      3768 7865 3770 7865 3772 7861 3764 7825
TIME...MOT...LOC 2124Z 279DEG 20KT 3766 7857 3760 7882 

HAIL...1.00IN
WIND...60MPH

$$

DS

2 follow-up statements

970 
WWUS51 KRNK 272143
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
543 PM EDT TUE MAY 27 2014

VAC011-029-272300-
/O.CON.KRNK.SV.W.0021.000000T0000Z-140527T2300Z/
BUCKINGHAM VA-APPOMATTOX VA-
543 PM EDT TUE MAY 27 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR
BUCKINGHAM AND NORTHEASTERN APPOMATTOX COUNTIES...

AT 543 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GOLD HILL TO NEAR WINGINA...MOVING EAST AT 25
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
BUCKINGHAM...
DILLWYN...
BENT CREEK...
GOLD HILL...
AND SHEPPARDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.

&&

LAT...LON 3735 7845 3733 7849 3736 7858 3740 7859
      3737 7860 3738 7862 3754 7886 3754 7883
      3758 7883 3763 7872 3769 7849 3764 7825
TIME...MOT...LOC 2143Z 280DEG 23KT 3763 7842 3758 7867 

HAIL...<.75IN
WIND...60MPH

$$

DS

994 
WWUS51 KRNK 272207
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
607 PM EDT TUE MAY 27 2014

VAC011-029-272217-
/O.CAN.KRNK.SV.W.0021.000000T0000Z-140527T2300Z/
BUCKINGHAM VA-APPOMATTOX VA-
607 PM EDT TUE MAY 27 2014

...THE SEVERE THUNDERSTORM WARNING FOR 
BUCKINGHAM AND NORTHEASTERN APPOMATTOX COUNTIES IS CANCELLED...
            
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING HAS BEEN CANCELLED.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.

LAT...LON 3735 7845 3733 7849 3736 7858 3740 7859
      3737 7860 3738 7862 3754 7886 3754 7883
      3758 7883 3763 7872 3769 7849 3764 7825
TIME...MOT...LOC 2206Z 279DEG 20KT 3761 7825 3756 7850 

$$

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 11:34 AM EDT	Special Weather Statement	RNK	Floyd	56 min
May 27, 12:30 PM EDT	Special Weather Statement	RNK	Franklin	45 min
May 27, 12:33 PM EDT	Special Weather Statement	RNK	Smyth	42 min
May 27, 1:17 PM EDT	Special Weather Statement	RNK	Franklin, Pittsylvania	43 min
May 27, 1:20 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	40 min
May 27, 1:34 PM EDT	Special Weather Statement	RNK	City of Martinsville	41 min
May 27, 1:54 PM EDT	Special Weather Statement	RNK	City of Danville	66 min
May 27, 2:09 PM EDT	Special Weather Statement	RNK	Alleghany, Bath, Botetourt, City of Covington	66 min
May 27, 2:19 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	56 min
May 27, 2:30 PM EDT	Special Weather Statement	RNK	Pittsylvania	30 min
May 27, 2:45 PM EDT	Special Weather Statement	RNK	Campbell	30 min
May 27, 2:55 PM EDT	Special Weather Statement	RNK	Botetourt	35 min
May 27, 3:12 PM EDT	Special Weather Statement	RNK	Rockbridge	33 min
May 27, 3:17 PM EDT	Special Weather Statement	RNK	Halifax	28 min
May 27, 3:43 PM EDT	Special Weather Statement	RNK	Bath	32 min
May 27, 3:47 PM EDT	Special Weather Statement	RNK	Alleghany	28 min
May 27, 3:56 PM EDT	Special Weather Statement	RNK	City of Buena Vista	19 min
May 27, 4:09 PM EDT	Special Weather Statement	RNK	City of Lynchburg	36 min
May 27, 4:57 PM EDT	Special Weather Statement	RNK	Buckingham	33 min
May 27, 5:10 PM EDT	Special Weather Statement	RNK	Botetourt	35 min
May 27, 5:36 PM EDT	Special Weather Statement	RNK	City of Lynchburg	24 min
May 27, 5:41 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, City of Lynchburg	64 min
May 27, 5:45 PM EDT	Special Weather Statement	RNK	Bath	30 min
May 27, 6:34 PM EDT	Special Weather Statement	RNK	Bedford	26 min
May 27, 6:44 PM EDT	Areal Flood Advisory	RNK	Campbell, City of Lynchburg	2 hr
May 27, 6:48 PM EDT	Special Weather Statement	RNK	City of Lynchburg	27 min
May 27, 6:50 PM EDT	Special Weather Statement	RNK	Rockbridge	25 min
May 27, 6:58 PM EDT	Special Weather Statement	RNK	Tazewell	32 min
May 27, 6:59 PM EDT	Special Weather Statement	RNK	Bland	31 min
May 27, 7:12 PM EDT	Special Weather Statement	RNK	Bedford	33 min
May 27, 7:14 PM EDT	Special Weather Statement	RNK	Buchanan	31 min
May 27, 7:17 PM EDT	Special Weather Statement	RNK	City of Radford	28 min
May 27, 7:41 PM EDT	Special Weather Statement	RNK	Wythe	34 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2014 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.