Alert archive / Tennessee / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 345, NWS Nashville, TN

July 13, 2003Lawrence County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 13, 2003, 2:07 PM CDT for Lawrence County, Tennessee. It was in force for 23 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, 2:07 PM CDT (19:07 UTC)
Expired: Jul 13, 2003, 2:30 PM CDT
In force: 23 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Lawrence County, TN

The radar

The Northeast Alabama radar (KHTX), 113 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 138 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.

407 
WUUS54 KOHX 131907
SVRBNA
TNC099-131930-

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LAWRENCE COUNTY IN TENNESSEE

* UNTIL 230 PM CDT

* AT 200 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR LORETTO...OR 14 MILES SOUTH OF
  LAWRENCEBURG...MOVING SOUTHEAST AT 10 MPH.

* TOWNS IN THE PATH OF THIS STORM INCLUDE LORETTO AND FIVE POINTS.

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR
YOUR SAFETY, GO TO A SAFE PLACE IMMEDIATELY.
&&
LAT...LON 3517 8741 3502 8753 3481 8721 3502 8705
$$
ROSE

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, 10:50 AM CDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jul 13, 10:50 AM CDT, 3 hours 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
1050 AM CDT SUN JUL 13 2003

AN EARLY MORNING UPPER WAVE IS DEPARTING MIDDLE TENNESSEE...MOVING
SOUTHEAST. THUS...ISOLATED STORMS EAST IN THE CUMBERLAND PLATEAU
REGION. 15Z SURFACE ANALYSIS SHOWS SURFACE FRONT LINGERING IN MIDDLE
TENNESSEE...WITH SURFACE HIGH CENTER NOW EAST OF THE OHIO RIVER.
CONSIDERING THIS...THE FRONT WILL PROBABLY STAY PUT IF IT HOLDS
TOGETHER.

ANOTHER UPPER WAVE COMES DOWN IN NORTHWEST FLOW TODAY...THOUGH
WEAKER AND MORE TO THE NORTHEAST AT THIS POINT. STILL...HEATING AND
AN UPPER TROUGH OVERHEAD ARE ENOUGH TO TOUCH OFF SCATTERED
THUNDERSTORMS THIS AFTERNOON...AS CURRENT FORECAST INDICATES.

TEMPERATURES LOOK GOOD TOO.

.BNA....NONE.

04

Hazardous weather outlook, Jul 13, 1:15 PM CDT, 52 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, 12:31 PM CDT, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1231 PM CDT SUN JUL 13 2003

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

1137 AM    JAMESTOWN                 TN   1.75 IN HAIL
07/13/03   FENTRESS

1137 AM    ALLARDT                   TN   1.75 IN HAIL
07/13/03   FENTRESS

04

Local storm report, Jul 13, 12:42 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1242 PM CDT SUN JUL 13 2003

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

1210 PM    7 E CELINA                TN   WIND DAMAGE
07/13/03   CLAY                           HOLLY CREEK RESORT MARINA
                                          HEAVILY DAMAGED

04

Local storm report, Jul 13, 2:00 PM CDT, 7 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

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, 2:11 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, 4:35 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	40 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.