Alert archive / Virginia / Tornado Warnings in 2003

Tornado Warning 1, NWS Blacksburg, VA

May 9, 2003Buckingham County, Virginia

NWS Blacksburg, VA issued this tornado warning at May 9, 2003, 2:59 PM EDT for Buckingham County, Virginia. It was in force for 31 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
May 9, 2003, 2:59 PM EDT (18:59 UTC)
Expired
May 9, 2003, 3:30 PM EDT
In force
31 min
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

County Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 131 km from the middle of the area, began a volume at 19:00 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.

IssuedProductOfficeLasted
May 9, 2:05 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.0 hours before the alert went out and 122 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2003-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2003-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
59 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
199 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 
WFUS51 KRNK 091859 CCA
TORRNK
VAC029-091930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED TO INCLUDE COUNTY
NATIONAL WEATHER SERVICE BLACKSBURG VA
254 PM EDT FRI MAY 9 2003

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BUCKINGHAM COUNTY IN CENTRAL VIRGINIA

* UNTIL 330 PM EDT.

* AT 254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 7 MILES WEST OF BREMO BLUFF...MOVING SOUTHEAST
  AT 45 MPH.



<<CALL TO ACTION>>THIS TORNADO WARNING REPLACES THE SEVERE
THUNDERSTORM WARNING WHICH WAS IN EFFECT FOR THE SAME AREA. GO TO A
BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR

<<CALL TO ACTION>>THE TORNADO MAY BE WRAPPED IN RAIN AND NOT VISIBLE.
GET TO A PLACE OF SAFETY NOW.

RELAY SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3785 7838 3772 7853 3731 7805 3747 7786

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 2:45 PM EDTSevere Thunderstorm WarningRNKBuckingham30 min
May 9, 2:51 PM EDTSevere Thunderstorm WarningRNKAlleghany, Craig24 min
May 9, 3:07 PM EDTSevere Thunderstorm WarningRNKBotetourt23 min
May 9, 3:31 PM EDTSevere Thunderstorm WarningRNKBedford29 min
May 9, 3:53 PM EDTSevere Thunderstorm WarningRNKBedford37 min
May 9, 4:07 PM EDTSevere Thunderstorm WarningRNKCampbell23 min
May 9, 4:11 PM EDTSevere Thunderstorm WarningRNKRoanoke, City of Roanoke, City of Salem34 min
May 9, 4:21 PM EDTSevere Thunderstorm WarningRNKPittsylvania24 min
May 9, 4:28 PM EDTTornado WarningRNKHalifax, Pittsylvania47 min
May 9, 4:30 PM EDTSevere Thunderstorm WarningRNKCampbell30 min
May 9, 4:46 PM EDTSevere Thunderstorm WarningRNKBedford29 min
May 9, 5:01 PM EDTSevere Thunderstorm WarningRNKHalifax29 min
May 9, 5:04 PM EDTSevere Thunderstorm WarningRNKPittsylvania26 min
May 9, 5:41 PM EDTSevere Thunderstorm WarningRNKHalifax34 min

Nearby

Tornado Warnings in Virginia, 2003Every tornado warning in 2003Tornadoes in 2003

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.