Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 142, NWS Nashville, TN

July 14, 20154 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 14, 2015, 4:26 PM CDT for 4 counties in Tennessee. It was in force for 34 min. 1 report 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: Jul 14, 2015, 4:26 PM CDT (21:26 UTC)
Expired: Jul 14, 2015, 5:00 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bedford County, TN, Giles County, TN, Marshall County, TN, Maury County, TN

The radar

The Northeast Alabama radar (KHTX), 73 km from the middle of the area, began a volume at 21:29 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
Jul 14, 4:30 PM CDT	TSTM WND DMG	Lewisburg, TN	TREE BLOWN DOWN NEAR LEWISBURG

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 4 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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, 1:46 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.4 hours before the alert went out and 85 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: 1670 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.8

Open this sounding in Storm Lab

The text

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

769 
WUUS54 KOHX 142126
SVROHX
TNC003-055-117-119-142200-
/O.NEW.KOHX.SV.W.0142.150714T2126Z-150714T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
426 PM CDT TUE JUL 14 2015

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARSHALL COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN BEDFORD COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN MAURY COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN GILES COUNTY IN MIDDLE TENNESSEE...

* UNTIL 500 PM CDT

* AT 426 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LEWISBURG...
  MOVING SOUTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  MARSHALL...SOUTHWESTERN BEDFORD...SOUTHEASTERN MAURY AND
  NORTHEASTERN GILES COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...
  CORNERSVILLE...FARMINGTON...CULLEOKA...BELFAST AND CHAPEL HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3548 8709 3564 8666 3542 8637 3535 8648
      3536 8649 3535 8653 3536 8654 3537 8660
      3533 8660 3531 8668 3525 8675 3526 8683
      3521 8683
TIME...MOT...LOC 2126Z 317DEG 25KT 3547 8680 

HAIL...<.75IN
WIND...60MPH
 
$$

MR3

1 follow-up statement

393 
WWUS54 KOHX 142147
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
447 PM CDT TUE JUL 14 2015

TNC119-142157-
/O.CAN.KOHX.SV.W.0142.000000T0000Z-150714T2200Z/
MAURY TN-
447 PM CDT TUE JUL 14 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MAURY COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
CENTRAL TENNESSEE.

LAT...LON 3543 8704 3541 8699 3542 8698 3541 8696
      3545 8695 3545 8692 3551 8688 3552 8685
      3559 8666 3542 8637 3535 8648 3536 8649
      3535 8653 3537 8660 3533 8660 3531 8668
      3525 8675 3526 8683 3521 8683
TIME...MOT...LOC 2147Z 317DEG 25KT 3536 8668 

$$

TNC003-055-117-142200-
/O.CON.KOHX.SV.W.0142.000000T0000Z-150714T2200Z/
MARSHALL TN-BEDFORD TN-GILES TN-
447 PM CDT TUE JUL 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR MARSHALL...SOUTHWESTERN BEDFORD AND NORTHEASTERN GILES
COUNTIES...

AT 447 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PETERSBURG...
OR 8 MILES SOUTHEAST OF LEWISBURG...MOVING SOUTHEAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SHELBYVILLE...LEWISBURG...CORNERSVILLE...FARMINGTON AND BELFAST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3543 8704 3541 8699 3542 8698 3541 8696
      3545 8695 3545 8692 3551 8688 3552 8685
      3559 8666 3542 8637 3535 8648 3536 8649
      3535 8653 3537 8660 3533 8660 3531 8668
      3525 8675 3526 8683 3521 8683
TIME...MOT...LOC 2147Z 317DEG 25KT 3536 8668 

HAIL...<.75IN
WIND...60MPH
 
$$

MR3

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 3:28 PM CDT, 58 minutes earlier.

Area forecast discussion, Jul 14, 3:28 PM CDT, 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
328 PM CDT TUE JUL 14 2015

.DISCUSSION...LINE OF STRONG TO SEVERE STORMS IS CURRENTLY WORKING
ITS WAY SOUTHWARD THROUGH MIDDLE TENNESSEE, WITH COPIOUS REPORTS
OF HAIL AND WIND DAMAGE ALREADY POURING IN. SEVERE THUNDERSTORM
WATCH REMAINS IN EFFECT UNTIL 9 PM FOR ALL OF MIDDLE TENNESSEE,
ALTHOUGH FOR AT LEAST THE NEXT COUPLE OF HOURS AREAS SOUTH OF I-40
WILL BE HARDEST HIT. HRRR SHOWS THE CURRENT LINE OF STORMS MOVING
INTO NORTHERN ALABAMA BY 23Z, WITH ADDITIONAL SCATTERED CELLS RE-
DEVELOPING OVER MUCH OF THE MID STATE WELL INTO THE EVENING. LOOK
FOR THE SURFACE FRONT CURRENTLY LOCATED TO OUR NORTH TO MOVE
SOUTHWARD THROUGH MIDDLE TENNESSEE OVERNIGHT AND TOMORROW MORNING,
USHERING IN DRIER (BUT NOT MUCH COOLER) WEATHER OVER THE NEXT
COUPLE OF DAYS. BY FRIDAY, TEMPERATURES WILL BE BACK WHERE THEY
WERE, WITH HEAT INDICES RETURNING TO THE LOW 100'S, JUST SHY OF
HEAT ADVISORY CRITERIA.

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      73  91  70  91 /  50  20  10  10
CLARKSVILLE    72  89  69  90 /  50  20  10  10
CROSSVILLE     68  84  65  84 /  60  20  10  10
COLUMBIA       73  93  70  92 /  50  30  10  10
LAWRENCEBURG   73  93  70  92 /  50  30  10  10
WAVERLY        73  91  70  91 /  50  20  10  10

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

ROSE

Hazardous weather outlook, Jul 14, 5:00 AM CDT, 11 hours 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
500 AM CDT TUE JUL 14 2015

TNZ005>011-023>034-056>066-075-077>080-093>095-151000-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-WILLIAMSON-
MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-CUMBERLAND-BEDFORD-
COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-GILES-
500 AM CDT TUE JUL 14 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS MIDDLE TENNESSEE
THROUGH TONIGHT. MAIN CONCERNS WITH SEVERE THUNDERSTORMS THAT
DO OCCUR WILL BE LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES.

FOR LOCATIONS WEST OF THE CUMBERLAND PLATEAU REGION...
AFTERNOON HEAT INDEX VALUES TODAY WILL RANGE FROM 100 TO
105 DEGREES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

FOR LOCATIONS WEST OF THE CUMBERLAND PLATEAU REGION...
AFTERNOON HEAT INDEX VALUES WILL RANGE FROM 100 TO 105
DEGREES FRIDAY AFTERNOON THROUGH MONDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVIATION WILL LIKELY BE NEEDED TODAY AND TONIGHT.

SPOTTER THUNDERSTORM REPORTING CRITERIA...
TORNADO
FUNNEL CLOUD
FLOODING
HAIL >= 1/2 INCH
WINDS > 50 MPH (MEASURED)
STRUCTURAL DAMAGE
TREES OR POWER LINES DOWN

31

In the hours before

Local storm report, Jul 14, 3:59 PM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
359 PM CDT TUE JUL 14 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0307 PM     TSTM WND DMG     3 SE BELLE MEADE        36.07N  86.82W
07/14/2015                   DAVIDSON           TN   EMERGENCY MNGR

            THREE TO FOUR HOMES DAMAGED BY UPROOTED LARGE TREES IN
            THE BELLE MEADE AND FOREST HILLS AREAS.

&&

EVENT NUMBER OHX1500682

MD

Local storm report, Jul 14, 4:03 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
403 PM CDT TUE JUL 14 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0401 PM     TSTM WND DMG     7 W SPARTA              35.93N  85.60W
07/14/2015                   WHITE              TN   AMATEUR RADIO

            TREES DOWN ON POWER LINES BLOCKING ROAD ON WILL
            THOMPSON ROAD

&&

EVENT NUMBER OHX1500683

MD

Local storm report, Jul 14, 4:05 PM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
405 PM CDT TUE JUL 14 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0354 PM     TSTM WND DMG     5 NW SMYRNA             36.03N  86.58W
07/14/2015                   DAVIDSON           TN   TWITTER

            TREE DOWN ON RESIDENCE ALONG LAVERGNE LANE

&&

EVENT NUMBER OHX1500684

MD

Special weather statement, Jul 14, 4:13 PM CDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
413 PM CDT TUE JUL 14 2015

TNZ060-061-075-095-142200-
MARSHALL TN-BEDFORD TN-GILES TN-MAURY TN-
413 PM CDT TUE JUL 14 2015

...SIGNIFICANT WEATHER ADVISORY FOR MARSHALL...SOUTHWESTERN
BEDFORD...SOUTHEASTERN MAURY AND NORTHEASTERN GILES COUNTIES UNTIL
500 PM CDT...

AT 412 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTHWEST OF LEWISBURG...MOVING SOUTHEAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
COLUMBIA...SHELBYVILLE...LEWISBURG...MOUNT PLEASANT...CHAPEL HILL...
CORNERSVILLE...LYNNVILLE...BELFAST...I-65 EAST OF COLUMBIA...
FRANKEWING...FARMINGTON AND CULLEOKA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
CENTRAL TENNESSEE.

LAT...LON 3517 8686 3555 8721 3569 8678 3546 8646
      3525 8675 3526 8683 3519 8683
TIME...MOT...LOC 2112Z 309DEG 26KT 3551 8690

MR3

Local storm report, Jul 14, 4:14 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
414 PM CDT TUE JUL 14 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0407 PM     TSTM WND DMG     8 WNW SPARTA            35.98N  85.61W
07/14/2015                   WHITE              TN   FIRE DEPT/RESCUE

            NUMEROUS REPORTS OF MULTIPLE TREES DOWN IN THE WEST END
            OF WHITE COUNTY

&&

EVENT NUMBER OHX1500685

MD

Local storm report, Jul 14, 4:24 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
424 PM CDT TUE JUL 14 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0421 PM     TSTM WND DMG     9 NW MCMINNVILLE        35.78N  85.89W
07/14/2015                   WARREN             TN   911 CALL CENTER

            REPORTS OF TREES DOWN ALONG OLD NASHVILLE HWY
            SHELBYVILLE ROAD AND SHORT MOUNTAIN AT WEST GREEN HILL
            ROAD

&&

EVENT NUMBER OHX1500686

MD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:16 PM CDT	Tornado Warning	OHX	Clay	29 min
Jul 14, 7:09 AM CDT	Special Weather Statement	OHX	Fentress, Pickett	51 min
Jul 14, 7:59 AM CDT	Special Weather Statement	OHX	Fentress	46 min
Jul 14, 12:50 PM CDT	Special Weather Statement	OHX	Fentress	25 min
Jul 14, 1:16 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	44 min
Jul 14, 1:26 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Overton	49 min
Jul 14, 1:34 PM CDT	Tornado Warning	OHX	Fentress, Pickett	26 min
Jul 14, 1:40 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	39 min
Jul 14, 1:54 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	39 min
Jul 14, 1:57 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	28 min
Jul 14, 2:02 PM CDT	Special Weather Statement	OHX	Dickson, Humphreys	43 min
Jul 14, 2:04 PM CDT	Tornado Warning	OHX	Fentress	26 min
Jul 14, 2:16 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	17 min
Jul 14, 2:18 PM CDT	Special Weather Statement	OHX	Davidson, Trousdale, Wilson	42 min
Jul 14, 2:23 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys	37 min
Jul 14, 2:31 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	29 min
Jul 14, 2:32 PM CDT	Special Weather Statement	OHX	Cumberland	43 min
Jul 14, 2:40 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale, Wilson	23 min
Jul 14, 2:41 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Williamson	34 min
Jul 14, 2:42 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Overton, Putnam, White	33 min
Jul 14, 2:53 PM CDT	Tornado Warning	OHX	Cumberland, Putnam, White	27 min
Jul 14, 2:56 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson	34 min
Jul 14, 2:58 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Perry	32 min
Jul 14, 3:00 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	30 min
Jul 14, 3:01 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Smith, Wilson	29 min
Jul 14, 3:11 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Putnam, White	49 min
Jul 14, 3:18 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Warren, White	27 min
Jul 14, 3:29 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Putnam, Van Buren, White	46 min
Jul 14, 3:32 PM CDT	Special Weather Statement	OHX	Hickman, Humphreys, Lewis, Maury, Perry	58 min
Jul 14, 3:35 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford, Wilson	25 min
Jul 14, 3:41 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Van Buren, Warren, White	34 min
Jul 14, 3:44 PM CDT	Areal Flood Advisory	OHX	Cumberland, Putnam, White	5 hr
Jul 14, 3:50 PM CDT	Areal Flood Advisory	OHX	Hickman, Humphreys, Perry	5 hr
Jul 14, 3:53 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Warren	21 min
Jul 14, 3:57 PM CDT	Tornado Warning	OHX	Cannon, Warren	13 min
Jul 14, 4:12 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Van Buren, Warren	48 min
Jul 14, 4:13 PM CDT	Special Weather Statement	OHX	Marshall	47 min
Jul 14, 4:59 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy	35 min
Jul 14, 5:04 PM CDT	Special Weather Statement	OHX	Giles, Lawrence, Wayne	56 min
Jul 14, 5:18 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	42 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2015 Every severe thunderstorm warning in 2015

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.