Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 25, NWS Morristown, TN

November 10, 2002Grainger County, Tennessee

NWS Morristown, TN issued this tornado warning at Nov 10, 2002, 9:28 PM EST for Grainger County, Tennessee. It was in force for 47 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, 9:28 PM EST (02:28 UTC)
Expired: Nov 10, 2002, 10:15 PM EST
In force: 47 min
Issued by: NWS Morristown, TN
Area: Counties, with a storm outline in the text

County Grainger County, TN

The radar

The Knoxville radar (KMRX), 20 km from the middle of the area, began a volume at 02:31 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 00:00Z, 2.5 hours before the alert went out and 273 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: 1368 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1177 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 490 m²/s²
0-3 km storm-relative helicity: 560 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 15.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMRX 110228
TORMRX
TNC057-110315-

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

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

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

* UNTIL 1015 PM EST

* AT 926 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 13 MILES WEST OF
  BLAINE...OR 7 MILES SOUTHWEST OF MAYNARDVILLE...MOVING EAST AT 50
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  8 MILES NORTH OF BLAINE AROUND 940 PM EST
  JOPPA AROUND 945 PM EST
  RUTLEDGE AROUND 950 PM EST
  THORN HILL AROUND 1000 PM EST

THIS IS A VERY DANGEROUS STORM TAKE COVER IMMEDIATELY

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 3631 8373 3612 8369 3629 8330 3642 8337

$$

DMG

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 7:02 PM EST	Tornado Warning	MRX	McMinn	43 min
Nov 10, 7:12 PM EST	Tornado Warning	MRX	Claiborne	48 min
Nov 10, 7:16 PM EST	Tornado Warning	MRX	Blount, Loudon, Monroe	44 min
Nov 10, 7:55 PM EST	Tornado Warning	MRX	Blount, Knox	50 min
Nov 10, 7:57 PM EST	Tornado Warning	MRX	Bledsoe	33 min
Nov 10, 8:05 PM EST	Tornado Warning	MRX	Sevier	40 min
Nov 10, 8:12 PM EST	Tornado Warning	MRX	Morgan	48 min
Nov 10, 8:19 PM EST	Tornado Warning	MRX	Roane	41 min
Nov 10, 8:25 PM EST	Tornado Warning	MRX	Jefferson	35 min
Nov 10, 8:32 PM EST	Tornado Warning	MRX	Anderson	28 min
Nov 10, 8:41 PM EST	Severe Thunderstorm Warning	MRX	Campbell	64 min
Nov 10, 8:45 PM EST	Tornado Warning	MRX	Knox, Union	60 min
Nov 10, 8:48 PM EST	Tornado Warning	MRX	Cocke	27 min
Nov 10, 8:54 PM EST	Tornado Warning	MRX	Anderson	36 min
Nov 10, 8:59 PM EST	Severe Thunderstorm Warning	MRX	Greene	46 min
Nov 10, 9:07 PM EST	Severe Thunderstorm Warning	MRX	Claiborne	53 min
Nov 10, 9:13 PM EST	Tornado Warning	MRX	Bledsoe, Claiborne	47 min
Nov 10, 9:28 PM EST	Severe Thunderstorm Warning	MRX	Morgan	32 min
Nov 10, 9:35 PM EST	Tornado Warning	MRX	Morgan	40 min
Nov 10, 9:38 PM EST	Severe Thunderstorm Warning	MRX	Hancock	52 min
Nov 10, 9:42 PM EST	Severe Thunderstorm Warning	MRX	Campbell	48 min
Nov 10, 9:51 PM EST	Tornado Warning	MRX	Anderson, Campbell	39 min
Nov 10, 9:53 PM EST	Tornado Warning	MRX	Roane	22 min
Nov 10, 9:59 PM EST	Tornado Warning	MRX	Claiborne, Union	46 min
Nov 10, 10:05 PM EST	Tornado Warning	MRX	Hancock, Hawkins	40 min
Nov 10, 10:10 PM EST	Tornado Warning	MRX	Morgan, Roane	35 min
Nov 10, 10:21 PM EST	Tornado Warning	MRX	Anderson	39 min
Nov 10, 10:37 PM EST	Tornado Warning	MRX	Hawkins, Sullivan	38 min
Nov 10, 10:41 PM EST	Tornado Warning	MRX	Hancock	49 min
Nov 10, 10:42 PM EST	Severe Thunderstorm Warning	MRX	Bledsoe, Marion, Sequatchie	48 min
Nov 10, 10:46 PM EST	Tornado Warning	MRX	Union	44 min
Nov 10, 10:51 PM EST	Severe Thunderstorm Warning	MRX	Morgan, Roane	39 min
Nov 10, 11:01 PM EST	Severe Thunderstorm Warning	MRX	Hamilton	44 min
Nov 10, 11:05 PM EST	Tornado Warning	MRX	Claiborne, Hancock	40 min
Nov 10, 11:32 PM EST	Severe Thunderstorm Warning	MRX	Bradley, Polk	43 min
Nov 10, 11:48 PM EST	Severe Thunderstorm Warning	MRX	Anderson, Blount, Claiborne, Grainger, Hancock, Jefferson and 5 more	42 min
Nov 11, 12:15 AM EST	Severe Thunderstorm Warning	MRX	Monroe, Polk	60 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.