Alert archive / Tennessee / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 119, NWS Morristown, TN

July 2, 2002Bledsoe County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jul 2, 2002, 1:40 PM CDT for Bledsoe County, Tennessee. It was in force for 50 min. 1 report 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: Jul 2, 2002, 1:40 PM CDT (18:40 UTC)
Expired: Jul 2, 2002, 2:30 PM CDT
In force: 50 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Bledsoe County, TN

The radar

The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 18:42 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.

What was reported inside it

Time	Report	Where	Remark
Jul 2, 2:00 PM CDT	Thunderstorm Wind	South Portion, 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.7 hours before the alert went out and 139 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: 1612 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1180 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 1 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.

477 
WUUS54 KMRX 021840
SVRMRX
TNC007-021930-
/NEW.KMRX.SV.W.0158.021839-021930/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
139 PM CDT TUE JUL 2 2002

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLEDSOE COUNTY IN EAST TENNESSEE

* UNTIL 230 PM CDT

* AT 137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF PIKEVILLE...NEARLY      
  STATIONARY.

THE SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...
  WINDS UP TO 60 MPH...WHICH COULD PUSH OVER SHALLOW ROOTED TREES AND
  BREAK TREE LIMBS ABOUT THE SIZE OF YOUR WRIST.
  HAIL UP TO 1 INCH IN DIAMETER...OR THE SIZE OF QUARTERS.
  FREQUENT AND DEADLY CLOUD-TO-GROUND LIGHTNING.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING. $$

LAT...LON 3554 8542 3538 8524 3572 8498 3577 8524

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 2, 9:30 AM CDT, 4 hours 10 minutes earlier.

Area forecast discussion, Jul 2, 9:30 AM CDT, 4 hours 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
1030 AM EDT TUE JUL 2 2002

UPDATED FCST TO REMOVE MORNING FOG. REMAINDER OF FCST ON TRACK AS
UNSTABLE AIRMASS REMAINS IN PLACE IN SUMMER WX PATTERN WITH RIDGE
TO THE N AND W. UPR LVL FLO CARRIES WEAK IMPULSES SE INTO THE
REGION. ALREADY A FEW TSRA ONGOING JUST N OF SW VA ZONES. FURTHER
DESTABILIZATION WILL LEAD TO TSRA FORMING MAINLY IN HIER TERRAIN.
MAXES SHOULD BE IN LOW-MID 90S MOST OF FA. NO OTHER CHANGES PLANNED
FOR THIS AFTERNOON.

.MRX...
NC...NONE.
TN...NONE.
VA...NONE.

In the hours before

Local storm report, Jul 2, 1:38 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
238 PM EDT TUE JUL 2 2002

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0235 PM    2 E MT CARMEL             TN   .75 INCH HAIL
07/02/02   HAWKINS                        REPORTED BY DISPATCH.

0235 PM    1 W KINGSPORT             TN   .75 INCH HAIL
07/02/02   SULLIVAN                       REPORTED BY DISPATCH.

DAE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:54 PM CDT	Severe Thunderstorm Warning	MRX	Polk	51 min
Jul 2, 1:10 PM CDT	Severe Thunderstorm Warning	MRX	Marion	35 min
Jul 2, 1:15 PM CDT	Severe Thunderstorm Warning	MRX	Carter	45 min
Jul 2, 1:19 PM CDT	Severe Thunderstorm Warning	MRX	Hawkins, Sullivan	41 min
Jul 2, 2:09 PM CDT	Severe Thunderstorm Warning	MRX	Greene, Washington	51 min
Jul 2, 2:40 PM CDT	Severe Thunderstorm Warning	MRX	Hawkins	50 min
Jul 2, 5:16 PM CDT	Severe Thunderstorm Warning	MRX	Cocke, Sevier	44 min
Jul 2, 5:30 PM CDT	Severe Thunderstorm Warning	MRX	Jefferson	45 min
Jul 2, 5:46 PM CDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson	44 min
Jul 2, 6:15 PM CDT	Severe Thunderstorm Warning	MRX	Knox	45 min
Jul 2, 6:35 PM CDT	Severe Thunderstorm Warning	MRX	Blount	40 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2002 Every severe thunderstorm warning 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.