Alert archive / Tennessee / Tornado Warnings in 2007

Tornado Warning 7, NWS Nashville, TN

May 5, 2007Bedford County, Tennessee

NWS Nashville, TN issued this tornado warning at May 5, 2007, 4:09 PM CDT for Bedford County, Tennessee. It was in force for 36 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 5, 2007, 4:09 PM CDT (21:09 UTC)
Expired: May 5, 2007, 4:45 PM CDT
In force: 36 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Bedford County, TN

The radar

The Northeast Alabama radar (KHTX), 68 km from the middle of the area, began a volume at 21:12 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
May 5, 4:09 PM CDT	HAIL 1.75	6 Sw Shelbyville, TN	COMMUNITY OF CHESNUT RIDGE GOLF BALL SIZE HAIL
May 5, 4:15 PM CDT	TSTM WND DMG	10 Sw Shelbyville, TN	SEVERAL TREES DOWN AND SOME SHINGLES BLOWN OFF ROOF NEAR COMMUNITY OF RICHMOND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.2 hours before the alert went out and 77 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: 9 J/kg
Mixed-layer CIN: -276 J/kg
Mixed-layer LCL: 588 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 052109
TOROHX
TNC003-052145-
/O.NEW.KOHX.TO.W.0007.070505T2109Z-070505T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
409 PM CDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BEDFORD COUNTY IN TENNESSEE...
  THIS INCLUDES THE CITY OF SHELBYVILLE...

* UNTIL 445 PM CDT

* AT 403 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  SHELBYVILLE...MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL SOUTHERN BEDFORD COUNTY AT 420 PM CDT

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3559 8650 3548 8669 3522 8649 3534 8626

$$

07

1 follow-up statement

000 
WWUS54 KOHX 052120
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
417 PM CDT SAT MAY 5 2007

TNC003-052145-
/O.CON.KOHX.TO.W.0007.000000T0000Z-070505T2145Z/
BEDFORD TN-
417 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHWESTERN BEDFORD COUNTY...

AT 409 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED OVER SOUTHWEST BEDFORD 
COUNTY...MOVING SOUTHEAST AT 20 MPH. THE STORM WILL REMAIN SOUTHWEST 
OF SHELBYVILLE. THE STORM WILL AFFECT HIGHWAY 231 SOUTH OF SHELBYVILLE.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY 
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU 
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE 
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3558 8657 3550 8666 3538 8659 3537 8635

$$

07

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 3:59 PM CDT	Severe Thunderstorm Warning	OHX	Bedford	46 min
May 5, 5:48 PM CDT	Severe Thunderstorm Warning	OHX	Giles	42 min
May 5, 6:11 PM CDT	Severe Thunderstorm Warning	OHX	Hickman	41 min

Nearby

Tornado Warnings in Tennessee, 2007 Every tornado warning in 2007 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.