Alert archive / Tennessee / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 358, NWS Nashville, TN

July 13, 2003Davidson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 13, 2003, 4:35 PM CDT for Davidson County, Tennessee. It was in force for 40 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: Jul 13, 2003, 4:35 PM CDT (21:35 UTC)
Expired: Jul 13, 2003, 5:15 PM CDT
In force: 40 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Davidson County, TN

The radar

The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 21:36 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 13, 11:55 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 28 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: 1439 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOHX 132135
SVRBNA
TNC037-132215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
433 PM CDT SUN JUL 13 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIDSON COUNTY IN TENNESSEE

* UNTIL 515 PM CDT

* AT 430 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM 9 MILES NORTHWEST OF NASHVILLE...MOVING EAST 
  AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  ACROSS THE NORTHERN PART OF THE NASHVILLE METRO BY 445 PM CDT
  AND BETWEEN MADISON AND HERMITAGE BY 515 PM 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.

&&

LAT...LON 3629 8696 3615 8696 3624 8667 3639 8677

$$
GIRODO

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 13, 3:55 PM CDT, 40 minutes earlier.

Area forecast discussion, Jul 13, 3:55 PM CDT, 40 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
355 PM CDT SUN JUL 13 2003

SHORT DISCUSSION...WITH ALL OF MIDDLE TENNESSEE IN A SVR WATCH UNTIL
6 PM...8 PM EAST INCLUDING MOST THE CUMBERLAND PLATEAU.

ALL 13/12Z MODELS SHOW UPPER TROUGH WILL WEAKEN OVER MIDDLE TENNESSEE
AND SHIFT EAST ON MONDAY. THIS WILL LOWER THE RAIN CHANCE. WESTERN
RIDGE IS VERY WARM...AND THE THICKNESS PATTERN SETS UP FOR SOME
POSSIBLE MCS ACTION INTO MIDDLE TENNESSEE BEGINNING TUESDAY EVENING.
IN ADDITION...WARMER TEMPERATURES WILL BE ON TAP.

BNA 068/089 069/092 071 521
CSV 064/083 063/085 066 531

.BNA....NONE.

04

Hazardous weather outlook, Jul 13, 2:33 PM CDT, 2 hours 2 minutes before

TNZ005>011-022>034-056>066-075>080-093>097-141030-

HAZARDOUS WEATHER OUTLOOK...CORRECTION
NATIONAL WEATHER SERVICE NASHVILLE TN
115 PM CDT SUN JUL 13 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 600 PM CDT FOR
MOST OF MIDDLE TENNESSEE...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
AND EARLY THIS EVENING. THE MAIN THREAT WILL BE LARGE HAIL UP
TO GOLF BALL SIZE...ALONG WITH DAMAGING WINDS TO 60 MPH OR MORE.
SHOWERS AND THUNDERSTORMS WILL BEGIN DIMINISHING THIS EVENING
WHEN DAYTIME HEATING ENDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGERS AND SPOTTER GROUPS IS LIKELY FOR
THE REST OF THE AFTERNOON AND INTO EARLY THIS EVENING.

STEIGERWALDT

In the hours before

Local storm report, Jul 13, 2:00 PM CDT, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0200 PM CDT SUN JUL 13 2003

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

0150 PM    PORTLAND                  TN   FLASH FLOOD
07/13/03   SUMNER                         WATER UP TO BUT NOT INTO
                                          HOUSES IN NORTHVIEW
                                          SUBDIVISION OFF OF HWY
                                          109...1 S OF HWY 31W...ALSO
                                          SEVERAL ROADS IMPASSABLE
                                          WITH 6 TO 8 INCHES OF WATER
                                          ON ROADS

STEIGERWALDT

Local storm report, Jul 13, 2:16 PM CDT, 2 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0216 PM CDT SUN JUL 13 2003

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

0214 PM    LORETTO                   TN   1.00 IN HAIL
07/13/03   LAWRENCE                       REPORTED BY TRAINED
                                          SPOTTER

ROSE

Local storm report, Jul 13, 2:18 PM CDT, 2 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0218 PM CDT SUN JUL 13 2003

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

0211 PM    3 NW MOUNT JULIET         TN   1.00 IN HAIL
07/13/03   WILSON                         MEASURED AT NWS OFFICE

0210 PM    NASHVILLE                 TN   0.88 IN HAIL
07/13/03   DAVIDSON                       OCCURRED IN HERMITAGE AT
                                          INTERSECTION OF LEBANON
                                          ROAD AND ANDREW JACKSON
                                          PARKWAY...REPORTED BY A
                                          SPOTTER

STEIGERWALDT

Local storm report, Jul 13, 2:44 PM CDT, 1 hour 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0244 PM CDT SUN JUL 13 2003

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

0234 PM    SMYRNA                    TN   0.88 IN HAIL
07/13/03   RUTHERFORD                     REPORTED BY SHERIFFS
                                          OFFICE

ROSE

Local storm report, Jul 13, 2:51 PM CDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0251 PM CDT SUN JUL 13 2003

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

0248 PM    WALTERHILL                TN   1.00 IN HAIL
07/13/03   RUTHERFORD                     REPORTED BY SHERIFFS
                                          OFFICE

ROSE

Local storm report, Jul 13, 4:21 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
421 PM CDT SUN JUL 13 2003

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

405 PM     5 W DEERFIELD             TN   1.75 IN HAIL
07/13/03   LAWRENCE                       REPORTED BY EMA

ROSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 8:56 PM CDT	Severe Thunderstorm Warning	OHX	Hickman	34 min
Jul 12, 9:09 PM CDT	Severe Thunderstorm Warning	OHX	Maury	31 min
Jul 12, 9:40 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall, Maury	30 min
Jul 12, 9:44 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Williamson	46 min
Jul 12, 10:19 PM CDT	Flash Flood Warning	OHX	Maury	3 hr
Jul 12, 10:51 PM CDT	Flash Flood Warning	OHX	Marshall	3 hr
Jul 12, 11:36 PM CDT	Flash Flood Warning	OHX	Hickman	3 hr
Jul 13, 10:59 AM CDT	Severe Thunderstorm Warning	OHX	Fentress	31 min
Jul 13, 11:37 AM CDT	Severe Thunderstorm Warning	OHX	Fentress	38 min
Jul 13, 12:03 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Pickett	27 min
Jul 13, 1:00 PM CDT	Flash Flood Warning	OHX	Sumner	2 hr
Jul 13, 2:07 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	23 min
Jul 13, 2:11 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	34 min
Jul 13, 2:21 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale	39 min
Jul 13, 2:27 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	33 min
Jul 13, 2:42 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford	48 min
Jul 13, 2:58 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Wilson	32 min
Jul 13, 3:07 PM CDT	Severe Thunderstorm Warning	OHX	Bedford	23 min
Jul 13, 3:09 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	51 min
Jul 13, 3:26 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	49 min
Jul 13, 3:30 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Rutherford	45 min
Jul 13, 3:39 PM CDT	Severe Thunderstorm Warning	OHX	Perry	31 min
Jul 13, 3:44 PM CDT	Severe Thunderstorm Warning	OHX	Warren	46 min
Jul 13, 4:09 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	36 min
Jul 13, 4:14 PM CDT	Tornado Warning	OHX	Grundy, Warren	31 min
Jul 13, 4:20 PM CDT	Tornado Warning	OHX	Coffee, Grundy, Warren	25 min
Jul 13, 4:52 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	23 min
Jul 13, 5:00 PM CDT	Severe Thunderstorm Warning	OHX	Franklin, Grundy	15 min
Jul 13, 5:09 PM CDT	Severe Thunderstorm Warning	OHX	Hickman	36 min
Jul 13, 5:11 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Maury	34 min
Jul 13, 5:16 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Wilson	44 min
Jul 13, 5:42 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	43 min
Jul 13, 5:57 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Rutherford, Williamson	33 min
Jul 13, 5:59 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	31 min
Jul 13, 6:02 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford, Williamson	28 min
Jul 13, 6:48 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	37 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2003 Every severe thunderstorm warning 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.