Alert archive / Virginia / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 252, NWS Blacksburg, VA

September 28, 2006Franklin County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Sep 28, 2006, 4:56 PM EDT for Franklin County, Virginia. It was in force for 50 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: Sep 28, 2006, 4:56 PM EDT (20:56 UTC)
Expired: Sep 28, 2006, 5:46 PM EDT
In force: 50 min
Issued by: NWS Blacksburg, VA
Area: Counties, with a storm outline in the text

County Franklin County, VA

The radar

The Roanoke radar (KFCX), 42 km from the middle of the area, began a volume at 20:59 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
Sep 28, 1:46 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.9 hours before the alert went out and 40 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: 792 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 138 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 282056
SVRRNK
VAC067-282200-
/O.NEW.KRNK.SV.W.0252.060928T2056Z-060928T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
456 PM EDT THU SEP 28 2006

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN WEST CENTRAL VIRGINIA

* UNTIL 600 PM EDT

* AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  SYDNORSVILLE...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SYDNORSVILLE...
  SONTAG...
  BURNT CHIMNEY...
  PENHOOK...

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 3696 8001 3680 7989 3678 7977 3684 7965
      3704 7959 3723 7979

$$

JDS

2 follow-up statements

000 
WWUS51 KRNK 282127
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
527 PM EDT THU SEP 28 2006

VAC067-282200-
/O.CON.KRNK.SV.W.0252.000000T0000Z-060928T2200Z/
FRANKLIN VA-
527 PM EDT THU SEP 28 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EASTERN FRANKLIN COUNTY...

AT 525 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR PENHOOK...MOVING NORTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

LAT...LON 3702 7983 3680 7991 3678 7977 3684 7965
      3704 7959 3718 7974

$$

JDS

000 
WWUS51 KRNK 282146
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
546 PM EDT THU SEP 28 2006

VAC067-282156-
/O.CAN.KRNK.SV.W.0252.000000T0000Z-060928T2200Z/
FRANKLIN VA-
546 PM EDT THU SEP 28 2006

...THE SEVERE THUNDERSTORM WARNING FOR FRANKLIN COUNTY IS 
CANCELLED...

AT 545 PM EDT...WEATHER RADAR SHOWED THAT THE SEVERE THUNDERSTORMS 
HAD MOVED EAST OF FRANKLIN COUNTY. THEREFORE...THE WARNING IS BEING 
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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
THURSDAY EVENING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN
VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL
1000 PM EDT THURSDAY EVENING FOR CENTRAL VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT EDT FRIDAY
MORNING FOR NORTH CENTRAL NORTH CAROLINA AND SOUTH CENTRAL VIRGINIA.

LAT...LON 3702 7983 3680 7991 3678 7977 3684 7965
      3704 7959 3718 7974

$$

WP

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 28, 3:13 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, City of Covington	41 min
Sep 28, 3:19 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery	56 min
Sep 28, 3:38 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	67 min
Sep 28, 3:52 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Roanoke, City of Salem	23 min
Sep 28, 3:59 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	61 min
Sep 28, 4:08 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	67 min
Sep 28, 4:13 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, City of Galax	77 min
Sep 28, 5:12 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	93 min
Sep 28, 5:13 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	35 min
Sep 28, 5:15 PM EDT	Severe Thunderstorm Warning	RNK	Henry	45 min
Sep 28, 5:36 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, City of Lynchburg	39 min
Sep 28, 5:45 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox	60 min
Sep 28, 5:57 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	77 min
Sep 28, 6:20 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	56 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2006 Every severe thunderstorm warning in 2006

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.