Alert archive / Virginia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 252, NWS Blacksburg, VA

June 27, 2008Charlotte County, Halifax County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 27, 2008, 3:07 PM EDT for Charlotte County, Halifax County, Virginia. It was in force for 26 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: Jun 27, 2008, 3:07 PM EDT (19:07 UTC)
Expired: Jun 27, 2008, 3:33 PM EDT
In force: 26 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon

Counties Charlotte County, VA, Halifax County, VA

The radar

The Raleigh/Durham radar (KRAX), 135 km from the middle of the area, began a volume at 19:08 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 27, 12:40 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.1 hours before the alert went out and 81 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: 199 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -21 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.

000 
WUUS51 KRNK 271907
SVRRNK
VAC037-083-272015-
/O.NEW.KRNK.SV.W.0252.080627T1907Z-080627T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
307 PM EDT FRI JUN 27 2008

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA
  SOUTHERN CHARLOTTE COUNTY IN SOUTH CENTRAL VIRGINIA

* UNTIL 415 PM EDT.

* AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
  CRYSTAL HILL...OR NEAR HALIFAX...AND MOVING EAST AT 16 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CRYSTAL HILL...
  MT LAUREL...
  CLOVER...
  AND WYLLIESBURG.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

PLEASE SEND YOUR REPORTS OF PENNY OR LARGER SIZED HAIL...AS WELL AS
WIND DAMAGE...INCLUDING TREES OR LARGE LIMBS DOWNED BY CALLING THE
NATIONAL WEATHER SERVICE TOLL FREE AT...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3690 7849 3671 7864 3675 7901 3689 7902
      3706 7846
TIME...MOT...LOC 1907Z 264DEG 14KT 3683 7893

$$

AMS

2 follow-up statements

000 
WWUS51 KRNK 271923
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
323 PM EDT FRI JUN 27 2008

VAC037-083-272015-
/O.CON.KRNK.SV.W.0252.000000T0000Z-080627T2015Z/
HALIFAX VA-CHARLOTTE VA-
323 PM EDT FRI JUN 27 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHEASTERN CHARLOTTE AND EASTERN HALIFAX COUNTIES...

AT 321 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR CLOVER...MOVING EAST
AT 31 MPH.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.

REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...
DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.

LAT...LON 3690 7849 3671 7864 3675 7890 3694 7888
      3706 7846
TIME...MOT...LOC 1923Z 276DEG 27KT 3682 7875

$$

000 
WWUS51 KRNK 271933
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
333 PM EDT FRI JUN 27 2008

VAC037-083-271943-
/O.CAN.KRNK.SV.W.0252.000000T0000Z-080627T2015Z/
HALIFAX VA-CHARLOTTE VA-
333 PM EDT FRI JUN 27 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CHARLOTTE AND EASTERN
HALIFAX COUNTIES IS CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED. 
THEREFORE...THE WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1 8 6 6...2 1 5...4 3 2 4.

LAT...LON 3690 7849 3671 7864 3675 7890 3694 7888
      3706 7846
TIME...MOT...LOC 1933Z 276DEG 27KT 3681 7866

$$

AMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 12:14 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Franklin, Roanoke, City of Roanoke, City of Salem	59 min
Jun 27, 12:36 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Rockbridge, City of Buena Vista	56 min
Jun 27, 12:46 PM EDT	Severe Thunderstorm Warning	RNK	Rockbridge, City of Lexington	37 min
Jun 27, 1:12 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Bedford, Campbell, City of Lynchburg	78 min
Jun 27, 1:47 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Pittsylvania, City of Martinsville	45 min
Jun 27, 2:05 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Floyd, Giles, Montgomery, Pulaski, Wythe and 1 more	55 min
Jun 27, 2:52 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Floyd, Franklin, Montgomery, Roanoke and 2 more	53 min
Jun 27, 3:30 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth, Tazewell	60 min
Jun 27, 3:43 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Franklin, Pittsylvania, Roanoke, City of Roanoke and 1 more	77 min
Jun 27, 4:14 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	37 min
Jun 27, 4:42 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Patrick, City of Martinsville	45 min
Jun 27, 4:48 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Halifax, Henry, Pittsylvania, City of Danville	72 min
Jun 27, 6:42 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	18 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2008 Every severe thunderstorm warning in 2008

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.