Alert archive / Tennessee / Tornado Warnings in 2003

Tornado Warning 1, NWS Morristown, TN

March 19, 2003Marion County, Tennessee

NWS Morristown, TN issued this tornado warning at Mar 19, 2003, 1:38 PM CST for Marion County, Tennessee. It was in force for 52 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: Mar 19, 2003, 1:38 PM CST (19:38 UTC)
Expired: Mar 19, 2003, 2:30 PM CST
In force: 52 min
Issued by: NWS Morristown, TN
Area: Counties, with a storm outline in the text

County Marion County, TN

The radar

The Northeast Alabama radar (KHTX), 44 km from the middle of the area, began a volume at 19:38 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
Mar 19, 11:30 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.6 hours before the alert went out and 158 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 649 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMRX 191938
TORMRX
TNC115-192030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
138 PM CST WED MAR 19 2003

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

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

* UNTIL 230 PM CST

* AT 133 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 10 MILES SOUTH OF
  NICKAJACK DAM...OR 7 MILES SOUTHEAST OF BRIDGEPORT...MOVING
  NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NICKAJACK DAM AROUND 150 PM CST
  HALETOWN (GUILD) AROUND 155 PM CST
  PRENTICE COOPER STATE FOREST AROUND 210 PM CST
  POWELLS CROSSROADS AROUND 215 PM CST

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.

LAT...LON 3487 8578 3476 8561 3509 8536 3524 8550

$$

SP

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 9:26 AM CST	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	49 min
Mar 19, 10:12 AM CST	Severe Thunderstorm Warning	MRX	McMinn, Meigs	33 min
Mar 19, 10:50 AM CST	Severe Thunderstorm Warning	MRX	McMinn, Meigs	25 min
Mar 19, 11:17 AM CST	Severe Thunderstorm Warning	MRX	McMinn	13 min
Mar 19, 11:17 AM CST	Severe Thunderstorm Warning	MRX	Loudon	28 min
Mar 19, 11:26 AM CST	Severe Thunderstorm Warning	MRX	Anderson	49 min
Mar 19, 11:38 AM CST	Severe Thunderstorm Warning	MRX	Knox	52 min
Mar 19, 12:12 PM CST	Severe Thunderstorm Warning	MRX	Anderson	18 min
Mar 19, 2:14 PM CST	Tornado Warning	MRX	Scott	31 min
Mar 19, 4:31 PM CST	Severe Thunderstorm Warning	MRX	Polk	44 min

Nearby

Tornado Warnings in Tennessee, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.