Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 201, NWS Nashville, TN

July 5, 2012Clay County, Pickett County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 5, 2012, 4:24 PM CDT for Clay County, Pickett County, Tennessee. It was in force for 51 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 5, 2012, 4:24 PM CDT (21:24 UTC)
Expired: Jul 5, 2012, 5:15 PM CDT
In force: 51 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Clay County, TN, Pickett County, TN

The radar

The Nashville radar (KOHX), 126 km from the middle of the area, began a volume at 21:27 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
Jul 5, 2:19 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.4 hours before the alert went out and 133 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: 1407 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1485 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

818 
WUUS54 KOHX 052124
SVROHX
TNC027-137-052215-
/O.NEW.KOHX.SV.W.0201.120705T2124Z-120705T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
424 PM CDT THU JUL 5 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN PICKETT COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN CLAY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 515 PM CDT

* AT 424 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THE STORM WAS NEAR BYRDSTOWN...MOVING SOUTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BYRDSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM THURSDAY
EVENING FOR CENTRAL TENNESSEE.

&&

LAT...LON 3655 8507 3650 8518 3653 8526 3654 8527
      3653 8529 3653 8533 3663 8532 3663 8509
TIME...MOT...LOC 2124Z 359DEG 7KT 3661 8521

$$

FORECASTER: 31

1 follow-up statement

136 
WWUS54 KOHX 052149
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
449 PM CDT THU JUL 5 2012

TNC027-052159-
/O.CAN.KOHX.SV.W.0201.000000T0000Z-120705T2215Z/
CLAY TN-
449 PM CDT THU JUL 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLAY COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3655 8507 3653 8511 3652 8513 3663 8521
      3663 8509
TIME...MOT...LOC 2149Z 304DEG 28KT 3654 8504

$$

TNC137-052215-
/O.CON.KOHX.SV.W.0201.000000T0000Z-120705T2215Z/
PICKETT TN-
449 PM CDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
PICKETT COUNTY UNTIL 515 PM CDT...

AT 449 PM 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 BYRDSTOWN...MOVING SOUTHEAST AT
30 MPH.

LOCATIONS IMPACTED INCLUDE...

LAT...LON 3655 8507 3653 8511 3652 8513 3663 8521
      3663 8509
TIME...MOT...LOC 2149Z 304DEG 28KT 3654 8504

$$
31

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 7:17 PM CDT	Special Weather Statement	OHX	Wilson	58 min
Jul 4, 7:20 PM CDT	Special Weather Statement	OHX	Perry	55 min
Jul 5, 3:20 AM CDT	Heat Advisory	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 30 more	64 hr
Jul 5, 4:07 PM CDT	Special Weather Statement	OHX	Robertson	38 min
Jul 5, 4:08 PM CDT	Special Weather Statement	OHX	Montgomery	37 min
Jul 5, 4:12 PM CDT	Special Weather Statement	OHX	Giles, Lawrence	33 min
Jul 5, 4:19 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	41 min
Jul 5, 4:22 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	23 min
Jul 5, 4:44 PM CDT	Special Weather Statement	OHX	Fentress	31 min
Jul 5, 4:48 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	26 min
Jul 5, 4:54 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	25 min
Jul 5, 4:54 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	36 min
Jul 5, 5:00 PM CDT	Special Weather Statement	OHX	Wayne	45 min
Jul 5, 5:07 PM CDT	Special Weather Statement	OHX	Bedford, Marshall, Rutherford	53 min
Jul 5, 5:10 PM CDT	Special Weather Statement	OHX	Overton	35 min
Jul 5, 5:15 PM CDT	Special Weather Statement	OHX	Coffee	90 min
Jul 5, 5:26 PM CDT	Special Weather Statement	OHX	Cannon	34 min
Jul 5, 5:28 PM CDT	Special Weather Statement	OHX	Marshall	32 min
Jul 5, 5:36 PM CDT	Special Weather Statement	OHX	Coffee	24 min
Jul 5, 5:36 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford, Wilson	39 min
Jul 5, 5:38 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	37 min
Jul 5, 5:45 PM CDT	Special Weather Statement	OHX	Putnam, White	60 min
Jul 5, 5:47 PM CDT	Special Weather Statement	OHX	Warren	28 min
Jul 5, 5:52 PM CDT	Severe Thunderstorm Warning	OHX	Warren	23 min
Jul 5, 6:03 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	27 min
Jul 5, 6:07 PM CDT	Special Weather Statement	OHX	Maury	38 min
Jul 5, 6:07 PM CDT	Severe Thunderstorm Warning	OHX	Coffee	23 min
Jul 5, 6:09 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	36 min
Jul 5, 6:12 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	18 min
Jul 5, 6:14 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee	31 min
Jul 5, 6:14 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren, Warren, White	46 min
Jul 5, 6:16 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	44 min
Jul 5, 6:17 PM CDT	Severe Thunderstorm Warning	OHX	Warren	28 min
Jul 5, 6:23 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren, Warren	55 min
Jul 5, 6:24 PM CDT	Special Weather Statement	OHX	Maury	36 min
Jul 5, 6:29 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	31 min
Jul 5, 6:31 PM CDT	Special Weather Statement	OHX	Cannon, DeKalb	59 min
Jul 5, 6:34 PM CDT	Special Weather Statement	OHX	Coffee	26 min
Jul 5, 6:46 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Warren	40 min
Jul 5, 6:47 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	28 min
Jul 5, 6:49 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	26 min
Jul 5, 6:51 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy	54 min
Jul 5, 6:55 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	23 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2012 Every severe thunderstorm warning in 2012

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.