Alert archive / Tennessee / Tornado Warnings in 2002

Tornado Warning 2, NWS Morristown, TN

April 28, 2002Blount County, Knox County, Tennessee

NWS Morristown, TN issued this tornado warning at Apr 28, 2002, 2:54 PM EDT for Blount County, Knox County, Tennessee. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 28, 2002, 2:54 PM EDT (18:54 UTC)
Expired: Apr 28, 2002, 3:45 PM EDT
In force: 51 min
Issued by: NWS Morristown, TN
Area: Whole counties

Counties Blount County, TN, Knox County, TN

The radar

The Knoxville radar (KMRX), 60 km from the middle of the area, began a volume at 18:57 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.

What was reported inside it

Time	Report	Where	Remark
Apr 28, 2:55 PM EDT	Hail 1.25	West Knoxville, TN
Apr 28, 3:20 PM EDT	Thunderstorm Wind	Rockford, TN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 28, 2:15 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 242 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: 998 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 851 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMRX 281854
TORMRX
TNC009-093-281945-
/NEW.KMRX.TO.W.0012.281854-281945/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
254 PM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  BLOUNT COUNTY IN EAST TENNESSEE
  KNOX COUNTY IN EAST TENNESSEE

* UNTIL 345 PM EDT

* AT 251 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR FARRAGUT...OR 9
  MILES NORTHEAST OF LENOIR CITY...MOVING EAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ALCOA AROUND 300 PM EDT
  EAGLETON VILLAGE AROUND 305 PM EDT
  WILDWOOD AROUND 310 PM EDT

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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.

$$

LAT...LON 3596 8420 3587 8423 3565 8384 3585 8382

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 10:13 AM EDT	Severe Thunderstorm Warning	MRX	Bledsoe, Rhea	47 min
Apr 28, 1:45 PM EDT	Severe Thunderstorm Warning	MRX	Scott	30 min
Apr 28, 2:13 PM EDT	Severe Thunderstorm Warning	MRX	Campbell	47 min
Apr 28, 2:33 PM EDT	Tornado Warning	MRX	Campbell, Union	42 min
Apr 28, 2:38 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Loudon, Roane	52 min
Apr 28, 2:40 PM EDT	Severe Thunderstorm Warning	MRX	Scott	35 min
Apr 28, 2:59 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger	46 min
Apr 28, 3:19 PM EDT	Tornado Warning	MRX	Sevier	41 min
Apr 28, 3:25 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hamblen, Hawkins	50 min
Apr 28, 3:45 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	45 min
Apr 28, 3:54 PM EDT	Severe Thunderstorm Warning	MRX	Grainger	21 min
Apr 28, 4:07 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Greene, Hamblen, Jefferson	38 min
Apr 28, 4:21 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Johnson	39 min
Apr 28, 4:40 PM EDT	Severe Thunderstorm Warning	MRX	Bledsoe	35 min
Apr 28, 4:52 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Unicoi, Washington	23 min
Apr 28, 5:06 PM EDT	Severe Thunderstorm Warning	MRX	Meigs, Rhea	39 min
Apr 28, 5:30 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hawkins	45 min
Apr 28, 5:39 PM EDT	Tornado Warning	MRX	Greene, Hawkins	51 min
Apr 28, 5:54 PM EDT	Severe Thunderstorm Warning	MRX	Bledsoe	36 min
Apr 28, 5:56 PM EDT	Severe Thunderstorm Warning	MRX	Washington	34 min
Apr 28, 6:12 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Unicoi	48 min
Apr 28, 6:13 PM EDT	Severe Thunderstorm Warning	MRX	Meigs, Rhea	47 min
Apr 28, 6:29 PM EDT	Severe Thunderstorm Warning	MRX	Marion	46 min
Apr 28, 6:42 PM EDT	Severe Thunderstorm Warning	MRX	McMinn	33 min
Apr 28, 7:04 PM EDT	Severe Thunderstorm Warning	MRX	Monroe	26 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.