Alert archive / Tennessee / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 53, NWS Nashville, TN

May 10, 20164 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 10, 2016, 11:45 PM CDT for 4 counties in Tennessee. It was in force for 30 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 10, 2016, 11:45 PM CDT (04:45 UTC)
Expired: May 11, 2016, 12:15 AM CDT
In force: 30 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Davidson County, TN, Rutherford County, TN, Sumner County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 22 km from the middle of the area, began a volume at 04:45 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 11, 12:00 AM CDT	HAIL 1.75	Belinda City, TN	GOLF BALL HAIL WAS REPORTED IN BELINDA CITY AND IN THE PROVIDENCE OF MOUNT JULIET COMMUNITY.
May 11, 12:01 AM CDT	HAIL 1.75	Mount Juliet, TN	QUARTER TO GOLFBALL SIZE HAIL IN THE MOUNT JULIET AREA

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 2 storm reports to this severe thunderstorm warning; the first came 15 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
May 10, 10:45 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.8 hours before the alert went out and 19 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: 1257 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1467 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

As transmitted.

556 
WUUS54 KOHX 110445
SVROHX
TNC037-149-165-189-110515-
/O.NEW.KOHX.SV.W.0053.160511T0445Z-160511T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1145 PM CDT TUE MAY 10 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN RUTHERFORD COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN DAVIDSON COUNTY IN MIDDLE TENNESSEE...
  SOUTH CENTRAL SUMNER COUNTY IN MIDDLE TENNESSEE...
  WILSON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1215 AM CDT

* AT 1145 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES NORTHEAST OF MOUNT JULIET TO BELINDA CITY TO
  NEAR HERMITAGE...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MURFREESBORO...GALLATIN...LEBANON...SMYRNA...LA VERGNE...MOUNT JULIET...
  WATERTOWN...HERMITAGE...BELINDA CITY...WALTERHILL...RURAL HILL...CEDARS
  OF LEBANON STATE PARK...PERCY PRIEST LAKE...GLADEVILLE AND LASCASSAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY
AWAY FROM WINDOWS.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3611 8609 3588 8624 3580 8652 3619 8673
      3625 8657 3640 8646
TIME...MOT...LOC 0445Z 326DEG 37KT 3628 8645 3617 8648 3615 8660 

HAIL...1.00IN
WIND...60MPH
 
$$

13

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 May 10, 7:20 PM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, May 10, 7:20 PM CDT, 4 hours 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
720 PM CDT TUE MAY 10 2016

.UPDATE...
FOR 00Z AVIATION DISCUSSION.

&&

.DISCUSSION...

...TORNADO WATCH FOR PARTS OF NORTHERN MIDDLE TENNESSEE UNTIL 11
PM CDT TONIGHT...

AREA OF SCATTERED THUNDERSTORMS, EXTENDING FROM KENTUCKY INTO
NORTHWESTERN TENNESSEE, WILL WORK ITS WAY EASTWARD INTO NORTHERN
PARTS OF MIDDLE TENNESSEE THIS EVENING. A FEW STORMS COULD BECOME
SEVERE...WITH DAMAGING STRAIGHT LINE WINDS...LARGE HAIL...AND
PERHAPS A FEW TORNADOES AS WELL.

&&

.AVIATION...
00Z TAF DISCUSSION.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP AND MOVE ACROSS NORTHERN PARTS OF THE MID STATE TONIGHT.
IN PRECIPITATION AREAS, OCCASIONAL PERIODS OF MVFR ARE EXPECTED.
IN ADDITION, BY LATE TONIGHT EXPECT MVFR CIGS AND VSBYS (DUE TO
BR) TO BECOME WIDESPREAD. BY EARLY THURSDAY AFTERNOON, LOW CLOUDS
SHOULD BECOME SCATTERED, WITH VFR CONDITIONS FOR THE REMAINDER OF
THE FORECAST PERIOD.

&&

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

&&

DISCUSSION......13
AVIATION........19

Hazardous weather outlook, May 10, 11:26 PM CDT, 19 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
1126 PM CDT TUE MAY 10 2016

TNZ005>011-023>034-056>066-075-077>080-093>095-110945-
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-
1126 PM CDT TUE MAY 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TONIGHT

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF MIDDLE
TENNESSEE UNTIL 6 AM CDT. A FEW THUNDERSTORMS OVERNIGHT MAY BE
SEVERE...AND PRODUCE LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A MARGINAL RISK FOR SEVERE THUNDERSTORMS ACROSS MIDDLE
TENNESSEE ON THURSDAY INTO THURSDAY NIGHT.

A COLD FRONT WILL MOVE ACROSS MIDDLE TENNESSEE LATE THURSDAY.
AHEAD OF THE FRONT...SCATTERED TO NUMEROUS SHOWERS AND
THUNDERSTORMS ARE EXPECTED. A FEW STORMS MAY BE STRONG OR
POSSIBLY SEVERE...WITH DAMAGING WINDS AND LARGE HAIL THE MAIN
THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS ARE APPRECIATED...INCLUDING ANY OCCURRENCES OF WIND
DAMAGE OR HAIL.

In the hours before

Local storm report, May 10, 10:46 PM CDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1046 PM CDT TUE MAY 10 2016

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

1046 PM     HAIL             GREENBRIER              36.42N  86.80W
05/10/2016  M1.00 INCH       ROBERTSON          TN   TRAINED SPOTTER

&&

EVENT NUMBER OHX1600450

SH

Local storm report, May 10, 10:49 PM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1049 PM CDT TUE MAY 10 2016

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

1030 PM     HAIL             8 S SPRINGFIELD         36.38N  86.88W
05/10/2016  E1.75 INCH       ROBERTSON          TN   TRAINED SPOTTER

            GOLFBALL HAIL IN EXTREME SOUTHERN ROBERTSON COUNTY...
            JUST NORTH OF DAVIDSON COUNTY LINE.

&&

EVENT NUMBER OHX1600451

19

Local storm report, May 10, 10:56 PM CDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1056 PM CDT TUE MAY 10 2016

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

1030 PM     HAIL             5 N GALLATIN            36.45N  86.45W
05/10/2016  E1.00 INCH       SUMNER             TN   COUNTY OFFICIAL

            QUARTER SIZE HAIL AT SOUTH TUNNEL ROAD AND DOBBINS ROAD

&&

EVENT NUMBER OHX1600452

19

Local storm report, May 10, 11:22 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1122 PM CDT TUE MAY 10 2016

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

1040 PM     TSTM WND DMG     5 NE ASHLAND CITY       36.33N  87.00W
05/10/2016                   CHEATHAM           TN   TRAINED SPOTTER

            SEVERAL TREES DOWN

&&

EVENT NUMBER OHX1600453

21

Local storm report, May 10, 11:34 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1134 PM CDT TUE MAY 10 2016

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

1130 PM     HAIL             LAKEWOOD                36.24N  86.63W
05/10/2016  E1.00 INCH       DAVIDSON           TN   TRAINED SPOTTER

&&

EVENT NUMBER OHX1600454

21

Local storm report, May 10, 11:43 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1143 PM CDT TUE MAY 10 2016

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

1139 PM     HAIL             HENDERSONVILLE          36.29N  86.60W
05/10/2016  M1.75 INCH       SUMNER             TN   TRAINED SPOTTER

&&

EVENT NUMBER OHX1600455

21

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:17 PM CDT	Special Weather Statement	OHX	Stewart	43 min
May 10, 7:51 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	24 min
May 10, 8:01 PM CDT	Tornado Warning	OHX	Montgomery	29 min
May 10, 8:14 PM CDT	Special Weather Statement	OHX	Stewart	46 min
May 10, 8:26 PM CDT	Tornado Warning	OHX	Montgomery	34 min
May 10, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Houston, Montgomery, Stewart	34 min
May 10, 8:47 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	28 min
May 10, 9:06 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	24 min
May 10, 9:13 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery	47 min
May 10, 9:16 PM CDT	Special Weather Statement	OHX	Robertson	44 min
May 10, 9:18 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	27 min
May 10, 9:43 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	32 min
May 10, 9:51 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Montgomery, Robertson	24 min
May 10, 10:05 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	25 min
May 10, 10:12 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	33 min
May 10, 10:14 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	46 min
May 10, 10:40 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale	40 min
May 10, 10:51 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	39 min
May 10, 11:11 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Sumner, Wilson	34 min
May 10, 11:53 PM CDT	Flash Flood Warning	OHX	Davidson, Rutherford, Sumner, Wilson	112 min
May 10, 11:58 PM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Robertson, Sumner	3 hr
May 11, 12:18 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	27 min
May 11, 12:44 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	31 min
May 11, 1:10 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	35 min
May 11, 1:33 AM CDT	Special Weather Statement	OHX	Sumner	27 min
May 11, 1:39 AM CDT	Special Weather Statement	OHX	DeKalb	51 min
May 11, 1:43 AM CDT	Areal Flood Warning	OHX	Cheatham, Davidson, Robertson, Sumner, Wilson	2 hr
May 11, 2:02 AM CDT	Special Weather Statement	OHX	Trousdale	28 min
May 11, 2:20 AM CDT	Areal Flood Advisory	OHX	Robertson, Sumner	115 min
May 11, 2:57 AM CDT	Special Weather Statement	OHX	Macon, Smith, Sumner, Trousdale	63 min
May 11, 3:45 AM CDT	Special Weather Statement	OHX	Jackson, Smith, Trousdale	45 min
May 11, 4:03 AM CDT	Flash Flood Warning	OHX	Smith, Trousdale	117 min
May 11, 4:14 AM CDT	Flash Flood Warning	OHX	Sumner	2 hr
May 11, 4:35 AM CDT	Special Weather Statement	OHX	Jackson, Smith	40 min
May 11, 4:39 AM CDT	Special Weather Statement	OHX	Davidson	36 min
May 11, 5:55 AM CDT	Flash Flood Warning	OHX	Macon, Smith, Sumner, Trousdale	2 hr
May 11, 7:07 AM CDT	Special Weather Statement	OHX	Sumner	23 min
May 11, 7:21 AM CDT	Special Weather Statement	OHX	Jackson	24 min
May 11, 7:47 AM CDT	Special Weather Statement	OHX	Jackson, Putnam	58 min
May 11, 7:54 AM CDT	Flash Flood Warning	OHX	Jackson, Macon, Robertson, Smith, Sumner, Trousdale	4 hr
May 11, 8:32 AM CDT	Special Weather Statement	OHX	Sumner, Trousdale	43 min
May 11, 8:41 AM CDT	Flash Flood Warning Emergency	OHX	Macon, Sumner, Trousdale	4 hr
May 11, 8:43 AM CDT	Special Weather Statement	OHX	Cumberland	32 min
May 11, 9:24 AM CDT	Flash Flood Warning	OHX	Cumberland, Fentress, Overton, Putnam	3 hr
May 11, 9:41 AM CDT	Special Weather Statement	OHX	Putnam	34 min
May 11, 11:57 AM CDT	Areal Flood Warning	OHX	Clay, Jackson, Macon, Robertson, Smith, Sumner and 2 more	6 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2016 Every severe thunderstorm warning in 2016

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.