Alert archive / Virginia / Tornado Warnings in 2020

Tornado Warning 13, NWS Morristown, TN

June 10, 2020Lee County, Virginia

NWS Morristown, TN issued this tornado warning at Jun 10, 2020, 5:39 PM EDT for Lee County, Virginia. It was in force for 36 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 10, 2020, 5:39 PM EDT (21:39 UTC)
Expired: Jun 10, 2020, 6:15 PM EDT
In force: 36 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Lee County, VA

The radar

The Knoxville radar (KMRX), 86 km from the middle of the area, began a volume at 21:42 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 277 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: 11 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1107 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

910 
WFUS54 KMRX 102139
TORMRX
VAC105-102215-
/O.NEW.KMRX.TO.W.0013.200610T2139Z-200610T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
539 PM EDT Wed Jun 10 2020

The National Weather Service in Morristown has issued a

* Tornado Warning for...
  Northeastern Lee County in southwestern Virginia...

* Until 615 PM EDT.
    
* At 539 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Pennington Gap, or 7 miles northeast of
  Jonesville, moving northeast 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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Lee County, including the following locations...
  Jasper and Dryden.

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.

&&

LAT...LON 3687 8285 3685 8285 3685 8284 3680 8277
      3678 8279 3677 8281 3675 8283 3674 8282
      3671 8302 3675 8305 3688 8290 3689 8288
TIME...MOT...LOC 2139Z 241DEG 25KT 3675 8300 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

05/MA

1 follow-up statement

439 
WWUS54 KMRX 102156
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
556 PM EDT Wed Jun 10 2020

VAC105-102215-
/O.CON.KMRX.TO.W.0013.000000T0000Z-200610T2215Z/
Lee VA-
556 PM EDT Wed Jun 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
NORTHEASTERN LEE COUNTY...
    
At 556 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Clover Fork, or 15 miles northeast of Jonesville,
moving northeast 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.

Locations impacted include...
Jasper and Dryden. 

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.

&&

LAT...LON 3687 8285 3685 8285 3685 8284 3680 8277
      3678 8279 3677 8281 3675 8283 3674 8282
      3674 8291 3678 8294 3688 8290 3689 8288
TIME...MOT...LOC 2156Z 241DEG 24KT 3680 8288 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

05/MA

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 5:34 PM EDT	Special Weather Statement	MRX	Wise, City of Norton	41 min
Jun 10, 6:05 PM EDT	Special Weather Statement	MRX	Lee	40 min
Jun 10, 6:13 PM EDT	Special Weather Statement	MRX	Wise, City of Norton	47 min
Jun 10, 7:19 PM EDT	Special Weather Statement	MRX	Russell	41 min

Nearby

Tornado Warnings in Virginia, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.