Alert archive / Tennessee / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 256, NWS Nashville, TN

September 6, 2002Benton County, Houston County, Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Sep 6, 2002, 5:12 PM CDT for Benton County, Houston County, Stewart County, Tennessee. It was in force for 28 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
Sep 6, 2002, 5:12 PM CDT (22:12 UTC)
Expired
Sep 6, 2002, 5:40 PM CDT
In force
28 min
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Benton County, TN, Houston County, TN, Stewart County, TN

What was reported inside it

TimeReportWhereRemark
Sep 6, 5:16 PM CDTThunderstorm Wind 50 ETennessee Ridge, TNLaw enforcement reported trees were down on State Route 147 near the town of Stewart.

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, 10.2 hours before the alert went out and 116 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2002-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2002-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
-392 J/kg
Mixed-layer LCL
1521 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 6, 2:15 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, Sep 6, 2:15 PM CDT, 2 hours 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
215 PM CDT FRI SEP 6 2002

SATELLITE SHOWING RETURN FLOW AROUND SURFACE RIDGE IN FORM OF SCATTERED
CUMULUS CLOUDS AND WITH DEWPOINTS CLIMBING BACK INTO THE UPPER 60S
AND LOWER 70S ISOLATED SHOWERS HAVE DEVELOPED IN MIDDLE TENNESSEE
THIS AFTERNOON ALONG NEGATIVE 5 LIFTED INDEX AXIS.

MODELS TAKE GULF TROPICAL SYSTEM WESTWARD AND INTO SOUTH TEXAS NEXT
COUPLE OF DAYS.

WILL MENTION ISOLATED SHOWERS/TSTMS THIS EVENING AND AGAIN ON
SATURDAY.

PRELIMINARY NUMBERS:
NASHVILLE  67 88 68 88 66  1110
CROSSVILLE 61 84 61 83 60  1110

.BNA...NONE.
BOYD
01

In the hours before

Local storm report, Sep 6, 4:49 PM CDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
449 PM CDT FRI SEP 6 2002

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

0340 PM    1NE HARTSVILLE            TN   WIND DAMAGE
09/06/02   TROUSDALE                      LAW ENFORCEMENT REPORTED
                                          TREES DOWN AND POWER LINES
                                          DOWN ON HALLTOWN RD

JLM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 4:21 PM CDTSevere Thunderstorm WarningOHXHumphreys24 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2002Every 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.