Alert archive / Tennessee / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS Nashville, TN

July 14, 20145 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 14, 2014, 5:33 PM CDT for 5 counties in Tennessee. It was in force for 31 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 14, 2014, 5:33 PM CDT (22:33 UTC)
Expired: Jul 14, 2014, 6:04 PM CDT
In force: 31 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Bedford County, TN, Marshall County, TN, Maury County, TN, Rutherford County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 89 km from the middle of the area, began a volume at 22:34 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 14, 1:22 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 76 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: 1315 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 887 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

182 
WUUS54 KOHX 142233
SVROHX
TNC003-117-119-149-187-142315-
/O.NEW.KOHX.SV.W.0113.140714T2233Z-140714T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
533 PM CDT MON JUL 14 2014

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN RUTHERFORD COUNTY IN MIDDLE TENNESSEE...
  EXTREME SOUTHEASTERN WILLIAMSON COUNTY IN MIDDLE TENNESSEE...
  WESTERN BEDFORD COUNTY IN MIDDLE TENNESSEE...
  MARSHALL COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN MAURY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 615 PM CDT

* AT 528 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THE STORM WAS NEAR SPRING HILL...MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FARMINGTON...CHAPEL HILL...BELFAST...ROVER AND UNIONVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO A BASEMENT...OR AN INTERIOR ROOM ON THE
LOWEST FLOOR. STAY AWAY FROM WINDOWS.

SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS 58 MPH OR STRONGER...OR
HAIL ONE INCH OR LARGER. FOR YOUR SAFETY...TAKE SHELTER INSIDE A
STURDY BUILDING NOW.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MONDAY
EVENING FOR CENTRAL TENNESSEE.

&&

LAT...LON 3538 8693 3541 8692 3541 8696 3542 8697
      3575 8684 3569 8638 3535 8660
TIME...MOT...LOC 2233Z 273DEG 16KT 3570 8677

$$

FORECASTER:07

1 follow-up statement

253 
WWUS54 KOHX 142304
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
604 PM CDT MON JUL 14 2014

TNC003-117-119-149-187-142314-
/O.CAN.KOHX.SV.W.0113.000000T0000Z-140714T2315Z/
RUTHERFORD TN-WILLIAMSON TN-BEDFORD TN-MARSHALL TN-MAURY TN-
604 PM CDT MON JUL 14 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MAURY...
MARSHALL...WESTERN BEDFORD...EXTREME SOUTHEASTERN WILLIAMSON AND
SOUTHWESTERN RUTHERFORD COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT MONDAY
EVENING FOR CENTRAL TENNESSEE.

LAT...LON 3538 8693 3541 8692 3541 8696 3542 8697
      3575 8684 3569 8638 3535 8660
TIME...MOT...LOC 2304Z 273DEG 16KT 3569 8660

$$
11

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 6:55 AM CDT	Special Weather Statement	OHX	Stewart	50 min
Jul 14, 7:41 AM CDT	Special Weather Statement	OHX	Montgomery	34 min
Jul 14, 8:15 AM CDT	Special Weather Statement	OHX	Robertson	45 min
Jul 14, 3:04 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	56 min
Jul 14, 3:38 PM CDT	Special Weather Statement	OHX	Perry	52 min
Jul 14, 3:43 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys	47 min
Jul 14, 3:58 PM CDT	Special Weather Statement	OHX	Humphreys	32 min
Jul 14, 4:16 PM CDT	Special Weather Statement	OHX	Cheatham, Davidson, Williamson	44 min
Jul 14, 4:26 PM CDT	Special Weather Statement	OHX	Hickman, Lewis, Perry, Wayne	64 min
Jul 14, 4:34 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry, Wayne	41 min
Jul 14, 4:53 PM CDT	Special Weather Statement	OHX	Davidson, Rutherford, Williamson, Wilson	52 min
Jul 14, 5:07 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson	38 min
Jul 14, 5:13 PM CDT	Special Weather Statement	OHX	Macon, Trousdale	32 min
Jul 14, 5:14 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury	46 min
Jul 14, 5:18 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	31 min
Jul 14, 5:26 PM CDT	Special Weather Statement	OHX	Giles, Lawrence	49 min
Jul 14, 5:36 PM CDT	Special Weather Statement	OHX	Putnam	39 min
Jul 14, 5:47 PM CDT	Special Weather Statement	OHX	Cannon, Rutherford	28 min
Jul 14, 6:00 PM CDT	Special Weather Statement	OHX	Bedford, Giles, Marshall	45 min
Jul 14, 6:12 PM CDT	Special Weather Statement	OHX	Putnam, White	48 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2014 Every severe thunderstorm warning in 2014

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.