Alert archive / Tennessee / Special Weather Statements in 2013

Special Weather Statement, NWS Nashville, TN

June 20, 2013DeKalb County, Tennessee

NWS Nashville, TN issued this special weather statement at Jun 20, 2013, 4:59 PM CDT for DeKalb County, 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: Jun 20, 2013, 4:59 PM CDT (21:59 UTC)
Expired: Jun 20, 2013, 5:30 PM CDT
In force: 31 min
Issued by: NWS Nashville, TN

County DeKalb County, TN

The radar

The Nashville radar (KOHX), 71 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 73 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 55 minutes earlier.

Area forecast discussion, Jun 20, 3:04 PM CDT, 1 hour 55 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, 1 hour 29 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

Local storm report, Jun 20, 4:41 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
441 PM CDT THU JUN 20 2013

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

0152 PM     TSTM WND DMG     7 SSE PORTLAND          36.49N  86.47W
06/20/2013                   SUMNER             TN   EMERGENCY MNGR

            SEVERAL TREES AND POWER LINES DOWN ABOUT 4 MILES
            NORTHEAST OF COTTONTOWN.

0237 PM     TSTM WND DMG     3 NNW ANTIOCH           36.10N  86.69W
06/20/2013                   DAVIDSON           TN   EMERGENCY MNGR

            ONE TREE DOWN

0427 PM     HAIL             10 S MURFREESBORO       35.71N  86.39W
06/20/2013  E0.88 INCH       RUTHERFORD         TN   TRAINED SPOTTER

            OCCASIONAL NICKEL SIZE HAIL WAS MIXED IN WITH PEA SIZE
            HAIL IN CHRISTIANA.

&&

EVENT NUMBER OHX1300521 OHX1300522 OHX1300523

31

Special weather statement, Jun 20, 4:44 PM CDT, 15 minutes before

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

TNZ031>033-202215-
JACKSON-OVERTON-PUTNAM-
444 PM CDT THU JUN 20 2013

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

AT 438 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR COOKEVILLE. THIS STORM WAS NEARLY
STATIONARY.

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

SMALL HAIL AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. ALSO
VERY HEAVY RAINS RESULTING IN REDUCED VISIBILITIES ON THE ROADWAYS
ARE EXPECTED. PLEASE EXERCISE CAUTION WHILE DRIVING THROUGH HEAVY
RAINS.

LAT...LON 3609 8531 3608 8550 3608 8553 3607 8557
      3606 8563 3628 8569 3633 8538

TB12

Local storm report, Jun 20, 4:45 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
445 PM CDT THU JUN 20 2013

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

0419 PM     HAIL             COOKEVILLE              36.16N  85.51W
06/20/2013  E0.88 INCH       PUTNAM             TN   TRAINED SPOTTER

            NICKEL SIZE HAIL STARTING TO APPROACH QUARTER SIZE HAIL
            WAS OCCURRING IN COOKEVILLE.

&&

EVENT NUMBER OHX1300524

31

Local storm report, Jun 20, 4:46 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
446 PM CDT THU JUN 20 2013

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

0152 PM     TSTM WND DMG     7 SSE PORTLAND          36.49N  86.47W
06/20/2013                   SUMNER             TN   EMERGENCY MNGR

            SEVERAL TREES AND POWER LINES DOWN ABOUT 4 MILES
            NORTHEAST OF COTTONTOWN.

0237 PM     TSTM WND DMG     3 NNW ANTIOCH           36.10N  86.69W
06/20/2013                   DAVIDSON           TN   EMERGENCY MNGR

            ONE TREE DOWN

0419 PM     HAIL             COOKEVILLE              36.16N  85.51W
06/20/2013  E0.88 INCH       PUTNAM             TN   TRAINED SPOTTER

            NICKEL SIZE HAIL STARTING TO APPROACH QUARTER SIZE HAIL
            WAS OCCURRING IN COOKEVILLE.

0427 PM     HAIL             10 S MURFREESBORO       35.71N  86.39W
06/20/2013  E0.88 INCH       RUTHERFORD         TN   TRAINED SPOTTER

            OCCASIONAL NICKEL SIZE HAIL WAS MIXED IN WITH PEA SIZE
            HAIL IN CHRISTIANA.

&&

EVENT NUMBER OHX1300521 OHX1300522 OHX1300524 OHX1300523

31

Special weather statement, Jun 20, 4:53 PM CDT, 6 minutes before

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

TNZ063-202215-
CANNON-
453 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR CANNON COUNTY...

AT 452 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR WOODBURY...MOVING SOUTHEAST AT 5 MPH.

NICKEL SIZE HAIL...WINDS AROUND 50 MPH...BRIEF HEAVY RAINFALL...AND
FREQUENT CLOUD TO GROUND LIGHTNING STRIKES ARE EXPECTED WITH THIS
STORM.

LAT...LON 3580 8607 3591 8599 3585 8589 3585 8590
      3584 8588 3583 8590 3582 8592 3578 8594
      3575 8597

31

Special weather statement, Jun 20, 4:59 PM CDT, 0 minutes before

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

TNZ030-032-064-202230-
DE KALB-PUTNAM-SMITH-
459 PM CDT THU JUN 20 2013

...SIGNIFICANT WEATHER ADVISORY FOR DE KALB...PUTNAM AND SMITH
COUNTIES...

AT 459 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 6 MILES EAST OF GORDONSVILLE...MOVING SOUTHEAST
AT 15 MPH.

SOME LOCATIONS IN THE PATH INCLUDE CENTER HILL LAKE AND EDGAR EVANS
STATE PARK.

NICKEL SIZE HAIL....WINDS AROUND 50 MPH...BRIEF HEAVY RAINFALL...AND
FREQUENT CLOUD TO GROUND LIGHTNING STRIKES ARE EXPECTED WITH THIS
STORM.

LAT...LON 3609 8569 3598 8583 3609 8592 3625 8582
      3625 8580

31

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, 4:28 PM CDT	Special Weather Statement	OHX	Smith	32 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, 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.