Alert archive / Tennessee / Special Weather Statements in 2013

Special Weather Statement, NWS Nashville, TN

June 20, 2013Smith County, Tennessee

NWS Nashville, TN issued this special weather statement at Jun 20, 2013, 4:28 PM CDT for Smith County, Tennessee. It was in force for 32 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: Jun 20, 2013, 4:28 PM CDT (21:28 UTC)
Expired: Jun 20, 2013, 5:00 PM CDT
In force: 32 min
Issued by: NWS Nashville, TN

County Smith County, TN

The radar

The Nashville radar (KOHX), 66 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.5 hours before the alert went out and 74 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: 692 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1077 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 19 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 20, 3:04 PM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jun 20, 3:04 PM CDT, 1 hour 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
304 PM CDT THU JUN 20 2013

.DISCUSSION...
WEAK UPPER TROUGH REMAINS OVER THE REGION THIS AFTERNOON WITH
SHORTWAVE JUST UPSTREAM. MODERATE MOISTURE SOURCE AND SLIGHTLY
INCREASED INSTABILITY EXPECTED TO CONTINUE ISO-SCT CONVECTION
INTO THE EARLY EVE.

WEAK UPPER TROUGH WILL MAKE SLOW TRANSITION TO RIDGING INTO THE
LATE WEEKEND...ALTHOUGH WEAK TROUGH AXIS DOES LINGER ALONG THE
EASTERN SEABOARD. THIS WILL KEEP ANYTHING ORGANIZED FROM AFFECTING
THE MID-SOUTH THUS CURRENT TREND WILL CONTINUE. MODERATE MOISTURE
BELOW H7 AND DAYTIME HEATING/ELEVATED INSTABILITY WILL KEEP
LARGELY DIURNAL ISO-SCT STORMS IN THE MIX THROUGH LATE SUNDAY.

NO REAL APPRECIABLE CHANGES IN OVERALL PATTERN EARLY NEXT WEEK
BUT CHANGES ARE IN SIGHT BY EARLY WED. UPPER RIDGE BREAKING DOWN
MID-WEEK AS UPPER LOW SCOOTS NEAR THE US/CANADIAN BORDER. THIS
WILL SHARPEN TROUGH OVER THE EASTERN US LATE WEEK...WITH AXIS
SWINGING THROUGH POSSIBLY FRI. DAYTIME HEATING PUSHING TEMPS WELL
INTO THE 80S TO AROUND 90 WILL PRODUCE DIURNAL CONVECTION THROUGH
WED...WITH PCPN CHANCES RAMPING UP LATE IN THE WEEK WITH INCOMING
TROUGH.

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      68  89  68  89 /  20  20  20  20
CLARKSVILLE    66  90  67  89 /  20  20  20  20
CROSSVILLE     61  82  62  84 /  20  20  20  20
COLUMBIA       67  89  68  89 /  20  20  20  20
LAWRENCEBURG   67  89  67  89 /  20  20  20  20
WAVERLY        67  90  67  89 /  20  20  20  20

&&

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

07

Hazardous weather outlook, Jun 20, 3:30 PM CDT, 58 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
330 PM CDT THU JUN 20 2013

TNZ005>011-022>034-056>066-075-077>080-093>095-211015-
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-
330 PM CDT THU JUN 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

ISOLATED STRONG STORMS WILL CONTINUE THROUGH THE LATE AFTERNOON AND
EVENING HOURS. THE STRONGEST STORMS COULD PRODUCE TORRENTIAL
RAINFALL...GUSTY WINDS TO AROUND 50 MPH AND DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

AL

In the hours before

Special weather statement, Jun 20, 3:53 PM CDT, 35 minutes before

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Special weather statement, Jun 20, 3:59 PM CDT, 29 minutes before

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Special weather statement, Jun 20, 4:11 PM CDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
411 PM CDT THU JUN 20 2013

TNZ059-062-075-202130-
BEDFORD-RUTHERFORD-WILLIAMSON-
411 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR BEDFORD...RUTHERFORD AND
WILLIAMSON COUNTIES...

AT 410 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 8 MILES WEST OF MURFREESBORO...MOVING SOUTH AT
15 MPH.

SOME LOCATIONS IN THE PATH INCLUDE TRIUNE...ROCKVALE...ROVER AND
CHRISTIANA.

SMALL HAIL AND WIND GUSTS UP TO 55 MPH ARE POSSIBLE WITH THIS STORM.
THIS STORM IS ALSO PRODUCING VERY HEAVY RAINFALL AND FREQUENT CLOUD
TO GROUND LIGHTNING.

LAT...LON 3593 8683 3598 8664 3597 8662 3598 8660
      3604 8640 3579 8619 3560 8657

TB12

Special weather statement, Jun 20, 4:19 PM CDT, 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
419 PM CDT THU JUN 20 2013

TNZ031>033-202145-
JACKSON-OVERTON-PUTNAM-
419 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR JACKSON...OVERTON AND PUTNAM
COUNTIES...

AT 416 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR ALGOOD...MOVING EAST AT 5 MPH.

SOME LOCATIONS IN THE PATH INCLUDE COOKEVILLE...ALGOOD AND RICKMAN.

SMALL HAIL AND WIND GUSTS FROM 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM. TORRENTIAL DOWNPOURS RESULTING IN REDUCED VISIBILITIES AND
FREQUENT CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS STORM.

LAT...LON 3632 8516 3610 8518 3612 8560 3629 8560

TB12

Special weather statement, Jun 20, 4:25 PM CDT, 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
425 PM CDT THU JUN 20 2013

TNZ031>033-202145-
JACKSON-OVERTON-PUTNAM-
425 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR JACKSON...OVERTON AND PUTNAM
COUNTIES...

AT 424 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR ALGOOD...MOVING EAST AT 5 MPH.

SOME LOCATIONS IN THE PATH INCLUDE COOKEVILLE...ALGOOD AND RICKMAN.

HAIL UP TO THREE QUARTER INCH AND WIND GUSTS FROM 40 TO 50 MPH ARE
POSSIBLE WITH THIS STORM. TORRENTIAL DOWNPOURS RESULTING IN REDUCED
VISIBILITIES AND FREQUENT CLOUD TO GROUND LIGHTNING ARE ALSO
POSSIBLE WITH THIS STORM.

LAT...LON 3632 8516 3610 8518 3612 8560 3629 8560

TB12

Special weather statement, Jun 20, 4:28 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
428 PM CDT THU JUN 20 2013

TNZ009-030-031-064-202200-
DE KALB-JACKSON-MACON-SMITH-
428 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR DE KALB...JACKSON...MACON AND
SMITH COUNTIES...

AT 425 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM RED BOILING SPRINGS
TO 6 MILES SOUTHEAST OF WATERTOWN. THESE STORMS WERE SLOWLY MOVING
EAST AT 10 MPH.

SOME LOCATIONS IN THE PATH INCLUDE PLEASANT SHADE...SOUTH CARTHAGE...
RED BOILING SPRINGS...CARTHAGE...ALEXANDRIA...GRANVILLE...HICKMAN...
LIBERTY...GORDONSVILLE AND DOWELLTOWN.

HAIL UP TO NICKEL SIZE AND WINDS 40 TO 50 MPH ARE EXPECTED WITH
THESE STORMS.

LAT...LON 3654 8581 3650 8581 3652 8577 3650 8574
      3650 8572 3652 8573 3651 8571 3649 8567
      3596 8594 3598 8602 3621 8611 3639 8601
      3641 8597 3643 8599 3657 8591

TB12

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 1:24 PM CDT	Special Weather Statement	OHX	Sumner	36 min
Jun 20, 1:32 PM CDT	Special Weather Statement	OHX	Cumberland, Fentress	28 min
Jun 20, 2:00 PM CDT	Special Weather Statement	OHX	Cumberland, Fentress	30 min
Jun 20, 2:19 PM CDT	Special Weather Statement	OHX	Davidson	26 min
Jun 20, 2:34 PM CDT	Special Weather Statement	OHX	Cumberland, Fentress	41 min
Jun 20, 2:42 PM CDT	Special Weather Statement	OHX	Davidson	33 min
Jun 20, 3:07 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson	38 min
Jun 20, 3:26 PM CDT	Special Weather Statement	OHX	Rutherford	34 min
Jun 20, 3:27 PM CDT	Areal Flood Advisory	OHX	Cumberland, Putnam	3 hr
Jun 20, 3:43 PM CDT	Special Weather Statement	OHX	Wilson	47 min
Jun 20, 3:49 PM CDT	Special Weather Statement	OHX	Cumberland, Overton, Putnam	26 min
Jun 20, 3:53 PM CDT	Special Weather Statement	OHX	DeKalb	37 min
Jun 20, 3:59 PM CDT	Special Weather Statement	OHX	Rutherford	31 min
Jun 20, 4:11 PM CDT	Special Weather Statement	OHX	Rutherford	19 min
Jun 20, 4:19 PM CDT	Special Weather Statement	OHX	Putnam	26 min
Jun 20, 4:25 PM CDT	Special Weather Statement	OHX	Putnam	20 min
Jun 20, 4:31 PM CDT	Special Weather Statement	OHX	Rutherford	29 min
Jun 20, 4:35 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Rutherford	25 min
Jun 20, 4:44 PM CDT	Special Weather Statement	OHX	Putnam	31 min
Jun 20, 4:53 PM CDT	Special Weather Statement	OHX	Cannon	22 min
Jun 20, 4:54 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	36 min
Jun 20, 4:59 PM CDT	Special Weather Statement	OHX	DeKalb	31 min
Jun 20, 5:00 PM CDT	Special Weather Statement	OHX	Bedford, Marshall	30 min
Jun 20, 5:01 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb	29 min
Jun 20, 5:13 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Putnam, Smith	32 min
Jun 20, 5:29 PM CDT	Special Weather Statement	OHX	Marshall	31 min
Jun 20, 5:36 PM CDT	Special Weather Statement	OHX	Cannon	39 min
Jun 20, 5:50 PM CDT	Special Weather Statement	OHX	Clay	40 min
Jun 20, 6:22 PM CDT	Special Weather Statement	OHX	Clay	23 min
Jun 20, 6:34 PM CDT	Special Weather Statement	OHX	Davidson	41 min
Jun 20, 6:55 PM CDT	Special Weather Statement	OHX	Cheatham	50 min

Nearby

Special Weather Statements in Tennessee, 2013 Every special weather statement 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.