Alert archive / Tennessee / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 169, NWS Nashville, TN

July 2, 2002DeKalb County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 2, 2002, 11:13 PM CDT for DeKalb County, Tennessee. It was in force for 47 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, 11:13 PM CDT (04:13 UTC)
Expired: Jul 3, 2002, 12:00 AM CDT
In force: 47 min
Issued by: NWS Nashville, TN
Area: Whole counties

County DeKalb County, TN

The radar

The Nashville radar (KOHX), 72 km from the middle of the area, began a volume at 04:15 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, 11:15 PM CDT	Thunderstorm Wind 60 E	Smithville, TN	Police reported trees were down. A large, 80-year-old pecan tree was blown onto a home near Alexandria.

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 00:00Z, 4.2 hours before the alert went out and 71 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: 2472 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 9 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.

482 
WUUS54 KOHX 030413
SVRBNA
TNC041-030500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1112 PM CDT TUE JUL 2 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DE KALB COUNTY IN TENNESSEE

* UNTIL MIDNIGHT CDT

* AT 1109 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR SMITHVILLE.  THE STORM WAS MOVING SLOWLY SOUTHWEST.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MT. MORIAH AROUND MIDNIGHT CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING.

$$

GIRODO
LAT...LON 3587 8571 3605 8571 3608 8599 3583 8599

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 Jul 2, 11:00 PM CDT, 13 minutes earlier.

Area forecast discussion, Jul 2, 11:00 PM CDT, 13 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE NASHVILLE TN
1100 PM CDT TUE JUL 2 2002

DISTURBANCES CUTTING UNDER UPPER RIDGE APPARENTLY HELPING GENERATE
NEW CONVECTION LATE THIS EVENING. STORMS HAVE BEEN BUILDING FROM
SUMNER COUNTY TO THE CUMBERLAND PLATEAU DURING THE PAST HOUR. WILL
UPDATE ZONES TO KEEP CHANCE FOR THUNDERSTORMS GOING INTO THE NIGHT.

.BNA...NONE.
SH

In the hours before

Local storm report, Jul 2, 5:21 PM CDT, 5 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
521 PM CDT TUE JUL 2 2002

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

0505 PM    PULASKI                   TN   58 MPH TSTM WIND GUST
07/02/02   GILES                          911 CENTER REPORTED
                                          SEVERAL TREES AND POWER
                                          LINES WERE DOWN IN THE
                                          CITY.

0310 PM    5 E ORLINDA               TN   58 MPH TSTM WIND GUST
07/02/02   ROBERTSON                      NWS EMPLOYEE REPORTED TREE
                                          WAS BLOWN DOWN 2 MILES WEST
                                          OF I-65 ON HWY 52.

0315 PM    4.3 WSW PORTLAND          TN   58 MPH TSTM WIND GUST
07/02/02   SUMNER                         NWS EMPLOYEE REPORTED A
                                          TREE WAS DOWN ON SPRING
                                          VALLEY DRIVE.

JAO

Local storm report, Jul 2, 6:02 PM CDT, 5 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
521 PM CDT TUE JUL 2 2002

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

0505 PM    PULASKI                   TN   58 MPH TSTM WIND GUST
07/02/02   GILES                          911 CENTER REPORTED
                                          SEVERAL TREES AND POWER
                                          LINES WERE DOWN IN THE
                                          CITY.

0310 PM    5 E ORLINDA               TN   58 MPH TSTM WIND GUST
07/02/02   ROBERTSON                      NWS EMPLOYEE REPORTED TREE
                                          WAS BLOWN DOWN 2 MILES WEST
                                          OF I-65 ON HWY 52.

0315 PM    4.3 WSW PORTLAND          TN   58 MPH TSTM WIND GUST
07/02/02   SUMNER                         NWS EMPLOYEE REPORTED A
                                          TREE WAS DOWN ON SPRING
                                          VALLEY DRIVE.

JAO

Local storm report, Jul 2, 6:19 PM CDT, 4 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
619 PM CDT TUE JUL 2 2002

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

0530 PM    COUNTYWIDE                TN   WIND DAMAGE
07/02/02   BENTON                         SHERIFFS OFFICE REPORTED
                                          NUMEROUS TREES AND POWER
                                          LINES WERE DOWN AROUND THE
                                          COUNTY.

JAO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 11:50 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	30 min
Jul 3, 12:26 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Montgomery	34 min
Jul 3, 12:52 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	38 min
Jul 3, 1:10 AM CDT	Severe Thunderstorm Warning	OHX	Montgomery	50 min
Jul 3, 1:17 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	28 min
Jul 3, 1:18 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	27 min
Jul 3, 1:38 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	37 min
Jul 3, 2:17 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	43 min
Jul 3, 2:37 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	38 min
Jul 3, 2:58 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	42 min
Jul 3, 2:59 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	41 min
Jul 3, 3:17 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	43 min
Jul 3, 3:21 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	39 min
Jul 3, 5:01 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry	29 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.