Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 8, NWS Morristown, TN

November 10, 2002Campbell County, Tennessee

NWS Morristown, TN issued this tornado warning at Nov 10, 2002, 6:47 PM EST for Campbell County, Tennessee. It was in force for 43 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: Nov 10, 2002, 6:47 PM EST (23:47 UTC)
Expired: Nov 10, 2002, 7:30 PM EST
In force: 43 min
Issued by: NWS Morristown, TN
Area: Counties, with a storm outline in the text

County Campbell County, TN

The radar

The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 23:49 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
Nov 10, 5:50 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.8 hours before the alert went out and 217 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: 1061 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 668 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 408 m²/s²
0-3 km storm-relative helicity: 410 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 9.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMRX 102347
TORMRX
TNC013-110030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
647 PM EST SUN NOV 10 2002

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  CAMPBELL COUNTY IN EAST TENNESSEE

* UNTIL 730 PM EST

* AT 643 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 13 MILES WEST OF
  ROYAL BLUE...OR 9 MILES SOUTH OF ONEIDA...MOVING EAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ROYAL BLUE AROUND 655 PM EST
  ELK VALLEY AROUND 700 PM EST
  LA FOLLETTE AROUND 705 PM EST
  FINCASTLE AROUND 710 PM EST
  7 MILES SOUTH OF WHITE OAK AROUND 715 PM EST

IF IN A MOBILE HOME OR VEHICLE...LEAVE IT IMMEDIATELY AND GET INSIDE
A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH AND COVER YOUR HEAD WITH YOUR HANDS.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS. TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE.

LAT...LON 3653 8434 3625 8433 3629 8402 3658 8401

$$

DMG

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 6:18 PM EST	Severe Thunderstorm Warning	MRX	Morgan, Scott	42 min
Nov 10, 6:26 PM EST	Tornado Warning	MRX	Morgan, Scott	49 min

Nearby

Tornado Warnings in Tennessee, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.