Alert archive / Virginia / Tornado Warnings in 2018

Tornado Warning 39, NWS Wakefield, VA

October 11, 2018Lunenburg County, Prince Edward County, Virginia

NWS Wakefield, VA issued this tornado warning at Oct 11, 2018, 4:21 PM EDT for Lunenburg County, Prince Edward County, Virginia. It was in force for 24 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
Oct 11, 2018, 4:21 PM EDT (20:21 UTC)
Expired
Oct 11, 2018, 4:45 PM EDT
In force
24 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Lunenburg County, VA, Prince Edward County, VA

The radar

The Norfolk radar (KAKQ), 128 km from the middle of the area, began a volume at 20:25 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 11, 9:58 AM EDTTornado WatchSPC13 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.4 hours before the alert went out and 94 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 2018-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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 2018-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
147 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

605 
WFUS51 KAKQ 112021
TORAKQ
VAC111-147-112045-
/O.NEW.KAKQ.TO.W.0039.181011T2021Z-181011T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wakefield VA
421 PM EDT THU OCT 11 2018

The National Weather Service in Wakefield has issued a

* Tornado Warning for...
  Southeastern Prince Edward County in central Virginia...
  Northwestern Lunenburg County in south central Virginia...

* Until 445 PM EDT.
    
* At 421 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Lunenburg, or near Victoria, moving north at 30
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Green Bay around 440 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Pleasant Grove, Briery, Arvins Store, Virso, Meherrin, Nutbush,
Scholfield and Simplicity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report severe weather by calling 757-899-2415, posting to the
NWS Wakefield Facebook page, or using Twitter @NWSWAKEFIELDVA.

&&

LAT...LON 3716 7854 3724 7833 3697 7825 3693 7838
      3704 7846 3708 7844 3709 7846 3709 7848
      3710 7850 3713 7851
TIME...MOT...LOC 2021Z 161DEG 27KT 3700 7834 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Zimmerman
1 follow-up statement
475 
WWUS51 KAKQ 112035
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
435 PM EDT THU OCT 11 2018

VAC111-147-112045-
/O.EXP.KAKQ.TO.W.0039.000000T0000Z-181011T2045Z/
Prince Edward VA-Lunenburg VA-
435 PM EDT THU OCT 11 2018

...THE TORNADO WARNING FOR SOUTHEASTERN PRINCE EDWARD AND
NORTHWESTERN LUNENBURG COUNTIES WILL EXPIRE AT 445 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM EDT for south central
and central Virginia.

LAT...LON 3716 7854 3724 7833 3697 7825 3693 7838
      3704 7846 3708 7844 3709 7846 3709 7848
      3710 7850 3713 7851
TIME...MOT...LOC 2035Z 161DEG 27KT 3710 7838 

$$

Zimmerman

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 5:26 AM EDTCoastal Flood StatementAKQAccomack, Gloucester, Lancaster, Mathews, Middlesex, Northampton11 hr
Oct 11, 10:12 AM EDTHigh Surf AdvisoryAKQAccomack, Northampton, City of Virginia Beach21 hr
Oct 11, 11:31 AM EDTRiver Flood WarningAKQBrunswick4 days
Oct 11, 11:31 AM EDTRiver Flood WarningAKQBrunswick, Dinwiddie68 hr
Oct 11, 11:31 AM EDTRiver Flood WarningAKQSussex5 days
Oct 11, 11:31 AM EDTRiver Flood WarningAKQAmelia, Cumberland, Prince Edward51 hr
Oct 11, 11:31 AM EDTRiver Flood WarningAKQAmelia, Chesterfield, Powhatan7 days
Oct 11, 11:31 AM EDTRiver Flood WarningAKQChesterfield, Dinwiddie, City of Petersburg7 days
Oct 11, 3:26 PM EDTTornado WarningAKQIsle of Wight, City of Suffolk34 min
Oct 11, 4:13 PM EDTFlash Flood WarningAKQFluvanna, Louisa6 hr
Oct 11, 4:41 PM EDTFlash Flood WarningAKQAmelia, Cumberland, Lunenburg, Mecklenburg, Nottoway, Powhatan and 1 more6 hr
Oct 11, 5:09 PM EDTTornado WarningAKQAmelia, Chesterfield, Dinwiddie, Nottoway36 min
Oct 11, 5:32 PM EDTTornado WarningAKQAmelia, Chesterfield, Dinwiddie28 min
Oct 11, 5:36 PM EDTTornado Warning Tornado observedAKQAmelia, Cumberland, Powhatan13 min
Oct 11, 5:38 PM EDTFlash Flood WarningAKQGoochland, Hanover, Louisa6 hr
Oct 11, 5:45 PM EDTTornado WarningAKQIsle of Wight, City of Suffolk15 min
Oct 11, 6:01 PM EDTFlash Flood Warning EmergencyAKQAmelia, Cumberland, Lunenburg, Nottoway, Prince Edward6 hr
Oct 11, 6:32 PM EDTFlash Flood WarningAKQCaroline, Hanover6 hr
Oct 11, 6:47 PM EDTFlash Flood Warning EmergencyAKQAmelia, Lunenburg, Nottoway, Powhatan5 hr
Oct 11, 7:04 PM EDTFlash Flood WarningAKQChesterfield, Dinwiddie, Henrico5 hr
Oct 11, 7:17 PM EDTTornado WarningAKQHanover, King William, New Kent28 min
Oct 11, 7:20 PM EDTTornado WarningAKQGloucester, Mathews, York25 min
Oct 11, 7:21 PM EDTSpecial Marine WarningAKQ24 min
Oct 11, 7:22 PM EDTTornado WarningAKQGloucester, James City, King and Queen, King William, New Kent, York23 min
Oct 11, 7:33 PM EDTFlash Flood WarningAKQCharles City, Hanover, Henrico, King and Queen, King William, New Kent and 1 more6 hr
Oct 11, 7:43 PM EDTTornado WarningAKQGloucester, King and Queen, Middlesex32 min
Oct 11, 7:47 PM EDTTornado WarningAKQCaroline, Hanover, King William, New Kent17 min

Nearby

Tornado Warnings in Virginia, 2018Every tornado warning in 2018Tornadoes in 2018

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.