Alert archive / Virginia / Tornado Warnings in 2009

Tornado Warning 21, NWS Wakefield, VA

June 19, 2009Amelia County, Cumberland County, Virginia

NWS Wakefield, VA issued this tornado warning at Jun 19, 2009, 9:40 PM EDT for Amelia County, Cumberland County, Virginia. It was in force for 22 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 19, 2009, 9:40 PM EDT (01:40 UTC)
Expired
Jun 19, 2009, 10:02 PM EDT
In force
22 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

Counties Amelia County, VA, Cumberland County, VA

The radar

The Norfolk radar (KAKQ), 123 km from the middle of the area, began a volume at 01:39 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

Roanoke, VA (KRNK), launched 00:00Z, 1.7 hours before the alert went out and 110 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 00:00Z on 2009-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1181 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2009-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.193958Sfc1 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
1181 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1360 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS51 KAKQ 200140
TORAKQ
VAC007-049-200215-
/O.NEW.KAKQ.TO.W.0021.090620T0140Z-090620T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
940 PM EDT FRI JUN 19 2009

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL AMELIA COUNTY IN CENTRAL VIRGINIA...
  CENTRAL CUMBERLAND COUNTY IN CENTRAL VIRGINIA...

* UNTIL 1015 PM EDT

* AT 939 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  CUMBERLAND...MOVING SOUTH AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  GUINEA MILLS BY 950 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3748 7838 3757 7830 3758 7820 3735 7815
      3735 7824 3737 7825 3735 7826 3736 7827
      3735 7828 3734 7841
TIME...MOT...LOC 0140Z 354DEG 18KT 3750 7828

$$

SMF
1 follow-up statement
000 
WWUS51 KAKQ 200202
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1002 PM EDT FRI JUN 19 2009

VAC007-049-200213-
/O.CAN.KAKQ.TO.W.0021.000000T0000Z-090620T0215Z/
AMELIA VA-CUMBERLAND VA-
1002 PM EDT FRI JUN 19 2009

...THE TORNADO WARNING FOR CENTRAL CUMBERLAND AND WEST CENTRAL AMELIA
COUNTIES IS CANCELLED...

LAT...LON 3748 7838 3757 7830 3758 7820 3735 7815
      3735 7824 3737 7825 3735 7826 3736 7827
      3735 7828 3734 7841
TIME...MOT...LOC 0203Z 354DEG 18KT 3739 7827

$$

SMF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:15 PM EDTTornado WarningAKQAmelia, Chesterfield, Cumberland, Powhatan30 min
Jun 19, 8:35 PM EDTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Dinwiddie, Nottoway, Prince Edward55 min
Jun 19, 9:09 PM EDTSevere Thunderstorm WarningAKQAmelia, Cumberland, Fluvanna, Goochland, Powhatan51 min
Jun 19, 10:01 PM EDTSevere Thunderstorm WarningAKQAmelia, Cumberland, Nottoway, Powhatan, Prince Edward44 min
Jun 20, 4:10 AM EDTSmall Craft AdvisoryAKQ3 days
Jun 20, 1:27 PM EDTSpecial Marine WarningAKQ63 min
Jun 20, 2:07 PM EDTSpecial Marine WarningAKQ23 min
Jun 20, 2:15 PM EDTSpecial Marine WarningAKQ60 min
Jun 20, 2:25 PM EDTSpecial Marine WarningAKQ50 min
Jun 20, 2:32 PM EDTSpecial Marine WarningAKQ58 min
Jun 20, 2:40 PM EDTSpecial Marine WarningAKQ65 min
Jun 20, 2:54 PM EDTSevere Thunderstorm WarningAKQNorthampton39 min
Jun 20, 3:25 PM EDTSevere Thunderstorm WarningAKQNorthumberland, Westmoreland50 min
Jun 20, 4:25 PM EDTSpecial Marine WarningAKQ65 min
Jun 20, 4:34 PM EDTTornado WarningAKQNorthumberland26 min
Jun 20, 4:51 PM EDTSpecial Marine WarningAKQ54 min
Jun 20, 4:59 PM EDTSpecial Marine WarningAKQ61 min
Jun 20, 4:59 PM EDTSevere Thunderstorm WarningAKQAccomack, Northampton46 min
Jun 20, 6:11 PM EDTSpecial Marine WarningAKQ64 min
Jun 20, 6:29 PM EDTSpecial Marine WarningAKQ61 min

Nearby

Tornado Warnings in Virginia, 2009Every tornado warning in 2009Tornadoes in 2009

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.