Alert archive / Tennessee / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 113, NWS Nashville, TN

May 20, 2005Wilson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 20, 2005, 5:11 AM CDT for Wilson 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: May 20, 2005, 5:11 AM CDT (10:11 UTC)
Expired: May 20, 2005, 5:45 AM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Wilson County, TN

The radar

The Nashville radar (KOHX), 22 km from the middle of the area, began a volume at 10:12 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 20, 1:30 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.2 hours before the alert went out and 22 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: 395 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1504 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOHX 201014
SVROHX
TNC189-201045-
/O.NEW.KOHX.SV.W.0113.050520T1011Z-050520T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
511 AM CDT FRI MAY 20 2005

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 545 AM CDT

* AT 506 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR MOUNT JULIET...OR ABOUT 13
  MILES WEST OF LEBANON...AND MOVING EAST SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  7 MILES SOUTH OF LEBANON BY 520 AM CDT
  NEAR WATERTOWN BY 540 AM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3627 8656 3610 8663 3591 8607 3613 8597

$$

MAG

1 follow-up statement

000 
WWUS54 KOHX 201029
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
527 AM CDT FRI MAY 20 2005

TNC189-201045-
/O.CON.KOHX.SV.W.0113.000000T0000Z-050520T1045Z/
WILSON TN-
527 AM CDT FRI MAY 20 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 545 AM CDT FOR
SOUTHERN WILSON COUNTY...

AT 522 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR NORENE...OR ABOUT
11 MILES SOUTH OF LEBANON...MOVING SOUTHEAST AT 
40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WATERTOWN.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CDT FRIDAY
MORNING FOR TENNESSEE.

LAT...LON 3628 8657 3614 8654 3597 8614 3614 8609

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:31 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	29 min
May 19, 10:33 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	27 min
May 19, 10:47 PM CDT	Severe Thunderstorm Warning	OHX	Macon	28 min
May 19, 11:12 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Macon, Smith	33 min
May 19, 11:47 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb	28 min
May 20, 1:02 AM CDT	Severe Thunderstorm Warning	OHX	Clay	28 min
May 20, 2:27 AM CDT	Severe Thunderstorm Warning	OHX	Robertson	33 min
May 20, 5:36 AM CDT	Severe Thunderstorm Warning	OHX	Benton	24 min
May 20, 6:27 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	33 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2005 Every severe thunderstorm warning in 2005

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.