Alert archive / Tennessee / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 81, NWS Nashville, TN

June 10, 20134 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 10, 2013, 3:27 PM CDT for 4 counties in Tennessee. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 10, 2013, 3:27 PM CDT (20:27 UTC)
Expired: Jun 10, 2013, 4:15 PM CDT
In force: 48 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Bedford County, TN, Cannon County, TN, Coffee County, TN, Rutherford County, TN

The radar

The Nashville radar (KOHX), 71 km from the middle of the area, began a volume at 20:28 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
Jun 10, 1:56 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 60 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: 439 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

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 Jun 10, 3:14 PM CDT, 13 minutes earlier.

Area forecast discussion, Jun 10, 3:14 PM CDT, 13 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
314 PM CDT MON JUN 10 2013

DISCUSSION...
UPPER TROUGH MAKING ITS PRESENCE KNOWN HERE IN THE MID STATE THIS
AFTERNOON. RELATIVELY DRY/COOL AIR ALOFT AND MOIST LOWER LEVELS ARE
COMBINING WITH DESCENT HELICITY VALUES ACROSS WESTERN ZONES. THE
ENHANCED HELICITY VALUES WILL PROPAGATE EASTWARD ACROSS THE
REMAINDER OF THE CWA THROUGH SUNSET. AS A RESULT...A TORNADO WATCH
IS IN EFFECT FOR ALL BUT THE FAR NORTHWESTERN 4 COUNTIES OF THE CWA.
RADAR IS CURRENTLY INDICATING SCATTERED ROTATING THUNDERSTORMS
EXTENDING FROM SUMNER COUNTY SW THROUGH WESTERN WILLIAMSON COUNTY.
THE ACTIVITY IS MOVING EASTWARD WITH REDEVELOPMENT WESTWARD TOWARD
BENTON COUNTY.

OVERNIGHT...SEVERE WEATHER POTENTIAL WILL MOVE EASTWARD. TOR WATCH
WILL BE VALID UNTIL 9 PM THIS EVENING. WILL INCLUDE 50-60 POPS FOR
MUCH OF THE AREA. WILL BE CLEARING COUNTIES LATER AS THREAT
DIMINISHES FROM THE WEST.

OTHERWISE...TROUGH AXIS WILL CONTINUE ITS EASTWARD MOVEMENT AND WILL
BE LOCATED ACROSS THE CAROLINAS BY SUNRISE. IMPROVING CONDITIONS ARE
EXPECTED ALONG WITH WARMER TEMPS AS MID LEVEL TEMPS RISE. PATTERN
WILL THEN CONTINUE TO EVOLVE INTO A TYPICAL SUMMERTIME NW FLOW
PATTERN. WARMING TEMPERATURES EXPECTED THROUGH WED AFTERNOON WITH
HIGHS APPROACHING THE MID 90S.

IN THE EXT FCST...MCS ACTIVITY DOES BECOME APPARENT BY LATE IN THE
WEEK. TRAJECTORIES ARE A BIT UNCERTAIN BUT THE POTENTIAL FOR MCS
IMPACTS DO EXIST ON THURSDAY AND THEN AGAIN ON SATURDAY OR SUNDAY.

AS FOR THE EXT TEMPS...IMPRESSIVE W-E THERMAL RIDGING WILL BE IN
PLACE ON WEDNESDAY. HOWEVER...RIDGING WILL BE BACKING OFF THROUGH
THE REMAINDER OF THE EXTENDED AND THUS...TEMPS WILL MODERATE BACK
DOWN TO THE UPPER 80S TO LOWER 90S FOR HIGHS.

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      66  91  72  95 /  50  05   0  10
CLARKSVILLE    63  91  70  94 /  50  05   0  10
CROSSVILLE     62  84  66  90 /  60  05   0  10
COLUMBIA       67  92  72  95 /  50  05   0  10
LAWRENCEBURG   68  91  71  94 /  40  05   0  10
WAVERLY        65  91  70  94 /  50  05   0  10

&&

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

21

Hazardous weather outlook, Jun 10, 5:45 AM CDT, 9 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
545 AM CDT MON JUN 10 2013

TNZ005>011-022>034-056>066-075-077>080-093>095-111045-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
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-
545 AM CDT MON JUN 10 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY IN THE MID
STATE...WITH THE MAIN THREAT BEING LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...

REPORTS FROM TRAINED WEATHER SPOTTERS ARE ALWAYS APPRECIATED.

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

19

In the hours before

Local storm report, Jun 10, 3:08 PM CDT, 19 minutes before

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Local storm report, Jun 10, 3:10 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
310 PM CDT MON JUN 10 2013

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

0242 PM     TSTM WND DMG     BRENTWOOD               36.00N  86.79W
06/10/2013                   WILLIAMSON         TN   EMERGENCY MNGR

            TREE BLOCKING ROADWAY ON SPLIT LOG ROAD AT SUNSET ROAD
            IN BRENTWOOD

&&

EVENT NUMBER OHX1300474

11

Local storm report, Jun 10, 3:12 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
312 PM CDT MON JUN 10 2013

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

0246 PM     TSTM WND DMG     ANTIOCH                 36.06N  86.67W
06/10/2013                   DAVIDSON           TN   EMERGENCY MNGR

            DOWNED TREES REPORTED IN ANTIOCH AROUND I-24 AND BLUE
            HOLE ROAD

&&

EVENT NUMBER OHX1300475

11

Local storm report, Jun 10, 3:15 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
315 PM CDT MON JUN 10 2013

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

0313 PM     HAIL             3 S NOLENSVILLE         35.90N  86.65W
06/10/2013  M1.00 INCH       WILLIAMSON         TN   TRAINED SPOTTER

            QUARTER SIZED HAIL REPORTED SOUTH OF NOLENSVILLE

&&

EVENT NUMBER OHX1300476

11

Special weather statement, Jun 10, 3:16 PM CDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
316 PM CDT MON JUN 10 2013

TNZ059>061-075-102100-
BEDFORD-MARSHALL-MAURY-WILLIAMSON-
316 PM CDT MON JUN 10 2013

...SIGNIFICANT WEATHER ADVISORY FOR BEDFORD...MARSHALL...MAURY AND
WILLIAMSON COUNTIES...

AT 314 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR SPRING HILL...MOVING SOUTHEAST AT 30 MPH.

SOME LOCATIONS IN THE PATH INCLUDE CHAPEL HILL...ROVER...UNIONVILLE
AND DEASON.

NICKEL SIZE HAIL HAS ALREADY FALLEN WITH THIS STORM...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LAT...LON 3572 8693 3581 8686 3576 8668 3575 8670
      3572 8670 3569 8665 3570 8663 3569 8653
      3564 8646 3565 8642 3562 8641 3566 8634
      3565 8630 3555 8658

AL

Local storm report, Jun 10, 3:21 PM CDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
321 PM CDT MON JUN 10 2013

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

0246 PM     HAIL             4 S GALLATIN            36.32N  86.45W
06/10/2013  M0.50 INCH       WILSON             TN   FACEBOOK

            MARBLE HAIL REPORTED AT BOXWELL RESERVATION SOUTH OF
            GALLATIN

&&

EVENT NUMBER OHX1300477

11

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:07 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale	38 min
Jun 9, 7:43 PM CDT	Special Weather Statement	OHX	Benton, Houston	47 min
Jun 9, 8:06 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys	39 min
Jun 9, 8:42 PM CDT	Special Weather Statement	OHX	Montgomery	48 min
Jun 10, 1:57 AM CDT	Areal Flood Advisory	OHX	Davidson, Macon, Rutherford, Sumner, Trousdale, Wilson	2 hr
Jun 10, 2:52 AM CDT	Special Weather Statement	OHX	Macon	38 min
Jun 10, 1:08 PM CDT	Special Weather Statement	OHX	Dickson	37 min
Jun 10, 1:18 PM CDT	Special Weather Statement	OHX	Robertson	27 min
Jun 10, 1:40 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson	35 min
Jun 10, 1:52 PM CDT	Special Weather Statement	OHX	Robertson	23 min
Jun 10, 1:59 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Williamson	31 min
Jun 10, 2:17 PM CDT	Special Weather Statement	OHX	Sumner	28 min
Jun 10, 2:27 PM CDT	Tornado Warning	OHX	Sumner	33 min
Jun 10, 2:30 PM CDT	Special Weather Statement	OHX	Williamson	45 min
Jun 10, 2:30 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson	45 min
Jun 10, 2:40 PM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	35 min
Jun 10, 2:44 PM CDT	Severe Thunderstorm Warning	OHX	Sumner, Trousdale, Wilson	31 min
Jun 10, 2:57 PM CDT	Special Weather Statement	OHX	Macon	48 min
Jun 10, 3:02 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	28 min
Jun 10, 3:06 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale, Wilson	39 min
Jun 10, 3:16 PM CDT	Special Weather Statement	OHX	Bedford	44 min
Jun 10, 3:29 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Putnam, Smith	31 min
Jun 10, 3:53 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Overton, Putnam, White	37 min
Jun 10, 3:55 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Warren	50 min
Jun 10, 3:56 PM CDT	Special Weather Statement	OHX	Bedford	49 min
Jun 10, 4:19 PM CDT	Special Weather Statement	OHX	Grundy	41 min
Jun 10, 4:27 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, White	48 min
Jun 10, 4:45 PM CDT	Tornado Warning	OHX	Rutherford, Williamson	30 min
Jun 10, 4:56 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	34 min
Jun 10, 5:19 PM CDT	Special Weather Statement	OHX	Rutherford	41 min
Jun 10, 5:25 PM CDT	Special Weather Statement	OHX	Giles, Lawrence	50 min
Jun 10, 5:35 PM CDT	Special Weather Statement	OHX	Rutherford	40 min
Jun 10, 5:53 PM CDT	Special Weather Statement	OHX	Giles	37 min
Jun 10, 6:02 PM CDT	Special Weather Statement	OHX	Lawrence	43 min
Jun 10, 6:36 PM CDT	Special Weather Statement	OHX	Lawrence	39 min
Jun 10, 6:55 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	35 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2013 Every severe thunderstorm warning in 2013

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.