Alert archive / Tennessee / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Nashville, TN

April 3, 2007Dickson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 3, 2007, 8:26 PM CDT for Dickson County, Tennessee. It was in force for 34 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: Apr 3, 2007, 8:26 PM CDT (01:26 UTC)
Expired: Apr 3, 2007, 9:00 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Dickson County, TN

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 2:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 3, 8:03 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.4 hours before the alert went out and 70 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: 1678 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1714 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 10.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOHX 040128
SVROHX
TNC043-040200-
/O.NEW.KOHX.SV.W.0021.070404T0126Z-070404T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
826 PM CDT TUE APR 3 2007

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DICKSON COUNTY IN TENNESSEE...
  THIS INCLUDES THE CITY OF DICKSON...

* UNTIL 900 PM CDT

* AT 825 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 13 MILES NORTH OF WHITE
  BLUFF TO DICKSON TO 12 MILES WEST OF DICKSON...MOVING EAST AT 40
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WHITE BLUFF AND BURNS BY 840 PM CDT...

THIS STORM PRODUCED HAIL THE SIZE OF NICKELS IN CHARLOTTE AT 822 PM 
CDT.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3633 8752 3600 8752 3597 8720 3629 8712

$$
STEIGERWALDT

1 follow-up statement

000 
WWUS54 KOHX 040154
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
851 PM CDT TUE APR 3 2007

TNC043-040200-
/O.CON.KOHX.SV.W.0021.000000T0000Z-070404T0200Z/
DICKSON TN-
851 PM CDT TUE APR 3 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR DICKSON COUNTY...

AT 846 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM JUST EAST OF DICKSON...TO
LOBELVILLE...TO JUST WEST OF LINDEN....MOVING EAST AT 40 MPH.

SEVERE THUNDERSTORMS WERE LOCATED OVER EXTREME EASTERN AND SOUTHERN
DICKSON COUNTY...FROM NEAR WHITES BLUFF TO INTERSTATE 40.


LAT...LON 3633 8752 3600 8752 3597 8720 3629 8712

$$
19

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 7:15 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys	60 min
Apr 3, 7:45 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	30 min
Apr 3, 8:06 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Robertson	39 min
Apr 3, 8:28 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, White	32 min
Apr 3, 8:32 PM CDT	Severe Thunderstorm Warning	OHX	Perry	28 min
Apr 3, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Hickman	49 min
Apr 3, 8:57 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson, Wilson	48 min
Apr 3, 9:00 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland	45 min
Apr 3, 9:07 PM CDT	Severe Thunderstorm Warning	OHX	Maury	23 min
Apr 3, 9:12 PM CDT	Tornado Warning	OHX	Cumberland	33 min
Apr 3, 9:34 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury	26 min
Apr 3, 9:38 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford	37 min
Apr 3, 9:44 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland	31 min
Apr 3, 9:55 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	35 min
Apr 4, 2:46 AM CDT	Freeze Watch	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	24 hr
Apr 4, 2:46 AM CDT	Freeze Warning	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	29 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2007 Every severe thunderstorm warning in 2007

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.