Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Nashville, TN

March 31, 2016Macon County, Sumner County, Trousdale County, Tennessee

NWS Nashville, TN issued this special weather statement at Mar 31, 2016, 5:24 PM CDT for Macon County, Sumner County, Trousdale County, Tennessee. It was in force for 36 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: Mar 31, 2016, 5:24 PM CDT (22:24 UTC)
Expired: Mar 31, 2016, 6:00 PM CDT
In force: 36 min
Issued by: NWS Nashville, TN

Counties Macon County, TN, Sumner County, TN, Trousdale County, TN

The radar

The Nashville radar (KOHX), 41 km from the middle of the area, began a volume at 22:25 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, 10.4 hours before the alert went out and 54 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 834 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 673 m²/s²
0-3 km storm-relative helicity: 836 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Mar 31, 4:25 PM CDT, 59 minutes earlier.

Area forecast discussion, Mar 31, 4:25 PM CDT, 59 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
425 PM CDT THU MAR 31 2016

.UPDATE...
FOR EVENING DISCUSSION.

&&

.DISCUSSION...

UPDATED THE SUITE OF FORECAST PRODUCTS TO REFLECT ISSUANCE OF SVR
TSTM WATCH NUMBER 71 UNTIL 03Z/10 PM CDT.

&&

.AVIATION...
18Z TAF DISCUSSION.

GUSTY SOUTHERLY SURFACE WINDS WILL CONTINUE AHEAD OF AN
APPROACHING COLD FRONT THROUGH THIS EVENING. SOME GUSTS AS HIGH AS
HIGH AS 30KTS ARE POSSIBLE. OTHERWISE...

FOR CSV...EXPECT MAINLY MVFR CONDITIONS THROUGH 15Z, ALTHOUGH A
PERIOD OF VFR CONDITIONS IS POSSIBLE LATER THIS AFTERNOON AND
EVENING (BTWN 22Z AND 04Z), BEFORE THE ARRIVAL OF PRE-FRONTAL
SHOWERS AND THUNDERSTORMS (MAINLY AFTER 04Z). VFR CONDITIONS
SHOULD RETURN AFTER 15Z, AS DRIER AIR MOVES IN BEHIND THE COLD
FRONT.

FOR CKV AND BNA...EXPECT VFR CONDITIONS TO PREVAIL UNTIL LATE THIS
AFTERNOON, WHEN SHOWERS AND THUNDERSTORMS WILL BECOME NUMEROUS
AHEAD OF AN APPROACHING COLD FRONT. MVFR CONDITIONS SHOULD BECOME
PREVALENT BETWEEN 23Z AND 05Z, ALONG WITH WIDESPREAD SHOWERS AND
THUNDERSTORMS. AFTER 05Z EXPECT SHOWERS TO DIMINISH FROM THE WEST
FOLLOWING PASSAGE OF THE COLD FRONT, WITH VFR CONDITIONS
RETURNING LATE TONIGHT AND EARLY FRIDAY.

&&

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

&&

SHORT TERM/AVIATION........21
LONG TERM..................31

Hazardous weather outlook, Mar 31, 5:04 PM CDT, 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
504 PM CDT THU MAR 31 2016

TNZ007>010-025>033-056>064-075-093>095-011000-
ROBERTSON-SUMNER-MACON-CLAY-DICKSON-CHEATHAM-DAVIDSON-WILSON-
TROUSDALE-SMITH-JACKSON-PUTNAM-OVERTON-PERRY-HICKMAN-LEWIS-
WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-BEDFORD-WAYNE-
LAWRENCE-GILES-
504 PM CDT THU MAR 31 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM CDT...

.DAY ONE...TONIGHT

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THROUGH THIS EVENING...
AS A COLD FRONT APPROACHES FROM THE WEST. DAMAGING WINDS AND
LARGE HAIL LOOK TO BE THE PRIMARY THREATS...ALONG WITH A FEW
TORNADOES.

LOCALIZED FLASH FLOODING MAY ALSO OCCUR...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL LAST NIGHT AND EARLY TODAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION NEEDED THIS EVENING.

TNZ005-006-011-023-024-034-065-066-077>080-011000-
STEWART-MONTGOMERY-PICKETT-HOUSTON-HUMPHREYS-FENTRESS-WHITE-
CUMBERLAND-COFFEE-WARREN-GRUNDY-VAN BUREN-
504 PM CDT THU MAR 31 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TONIGHT

ISOLATED STRONG THUNDERSTORMS ARE POSSIBLE THROUGH THIS EVENING...
AS A COLD FRONT APPROACHES FROM THE WEST. STRONG WINDS AND
HAIL WILL BE THE PRIMARY THREATS.

LOCALIZED FLASH FLOODING MAY ALSO OCCUR...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL LAST NIGHT AND EARLY TODAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING.

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

31

In the hours before

Special weather statement, Mar 31, 3:47 PM CDT, 1 hour 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
347 PM CDT THU MAR 31 2016

TNZ023-024-056-057-312115-
PERRY TN-HICKMAN TN-HUMPHREYS TN-HOUSTON TN-
347 PM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR HUMPHREYS...SOUTHEASTERN HOUSTON
AND NORTHWESTERN HICKMAN COUNTIES UNTIL 415 PM CDT...

AT 346 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM NEAR CAMDEN TO 6 MILES SOUTH OF NEW
JOHNSONVILLE TO 11 MILES NORTHEAST OF NATCHEZ TRACE STATE PARK.
MOVEMENT WAS NORTHEAST AT 55 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
WAVERLY...CAMDEN...NEW JOHNSONVILLE...MCEWEN...HURRICANE MILLS...BUCKSNORT
AND I-40 NEAR THE TENNESSEE RIVER.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3600 8800 3603 8800 3605 8799 3613 8792
      3617 8792 3619 8794 3621 8794 3630 8760
      3583 8758 3580 8797 3583 8797 3587 8794
      3594 8793 3595 8801 3597 8802
TIME...MOT...LOC 2046Z 229DEG 47KT 3609 8803 3592 8799 3585 8809

JACKSON

Special weather statement, Mar 31, 5:01 PM CDT, 23 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
501 PM CDT THU MAR 31 2016

TNZ007-008-026-027-312230-
SUMNER TN-DAVIDSON TN-ROBERTSON TN-CHEATHAM TN-
501 PM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR ROBERTSON...NORTHERN DAVIDSON...
EASTERN CHEATHAM AND SUMNER COUNTIES UNTIL 530 PM CDT...

AT 500 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM NEAR COOPERTOWN TO 6 MILES SOUTHEAST OF ASHLAND
CITY. MOVEMENT WAS NORTHEAST AT 55 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GALLATIN...SPRINGFIELD...ASHLAND CITY...MADISON...HENDERSONVILLE...
GOODLETTSVILLE...WHITE HOUSE...MILLERSVILLE...GREENBRIER...COOPERTOWN...
RIDGETOP...CROSS PLAINS...PORTLAND...JOELTON...PLEASANT VIEW...ORLINDA...
CEDAR HILL...MITCHELLVILLE...BEAMAN PARK AND WHITES CREEK.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
MIDDLE TENNESSEE.

LAT...LON 3664 8630 3639 8628 3634 8643 3634 8645
      3630 8654 3632 8655 3631 8656 3629 8656
      3613 8701 3653 8704 3665 8683 3665 8659
      3663 8657 3665 8651
TIME...MOT...LOC 2200Z 240DEG 56KT 3649 8699 3623 8697

13

Local storm report, Mar 31, 5:02 PM CDT, 22 minutes before

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Local storm report, Mar 31, 5:19 PM CDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
519 PM CDT THU MAR 31 2016

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

0450 PM     TSTM WND DMG     10 SW SPRINGFIELD       36.40N  87.01W
03/31/2016                   ROBERTSON          TN   TRAINED SPOTTER

            TRAINED SPOTTER ESTIMATES 60 TO 70 MPH TSTM WIND GUST
            IN PLEASANT VIEW

&&

EVENT NUMBER OHX1600351

21

Local storm report, Mar 31, 5:23 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
523 PM CDT THU MAR 31 2016

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

0450 PM     TSTM WND DMG     HOHENWALD               35.55N  87.56W
03/31/2016                   LEWIS              TN   TRAINED SPOTTER

            TREES AND POWERLINES DOWN ALONG HWY 48N AND FORREST AVE

0450 PM     TSTM WND DMG     10 SW SPRINGFIELD       36.40N  87.01W
03/31/2016                   ROBERTSON          TN   TRAINED SPOTTER

            TRAINED SPOTTER ESTIMATES 60 TO 70 MPH TSTM WIND GUST
            IN PLEASANT VIEW

&&

EVENT NUMBER OHX1600350 OHX1600351

31

Special weather statement, Mar 31, 5:24 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
524 PM CDT THU MAR 31 2016

TNZ008-009-029-312300-
TROUSDALE TN-SUMNER TN-MACON TN-
524 PM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR SUMNER...WESTERN MACON AND
TROUSDALE COUNTIES UNTIL 600 PM CDT...

AT 523 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM PORTLAND TO NEAR GALLATIN. MOVEMENT WAS
NORTHEAST AT 60 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GALLATIN...LAFAYETTE...HARTSVILLE...HENDERSONVILLE...WESTMORELAND...
PORTLAND...MITCHELLVILLE...BLEDSOE CREEK STATE PARK...COTTONTOWN...
BETHPAGE AND OAK GROVE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
MIDDLE TENNESSEE.

LAT...LON 3665 8635 3662 8593 3638 8604 3635 8656
      3664 8655 3665 8651
TIME...MOT...LOC 2223Z 245DEG 53KT 3662 8651 3637 8653

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 1:06 PM CDT	Special Weather Statement	OHX	Houston, Montgomery, Stewart	54 min
Mar 31, 3:02 PM CDT	Special Weather Statement	OHX	Stewart	43 min
Mar 31, 3:47 PM CDT	Special Weather Statement	OHX	Humphreys	28 min
Mar 31, 3:49 PM CDT	Tornado Warning	OHX	Perry, Wayne	26 min
Mar 31, 4:06 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Houston, Humphreys, Perry	39 min
Mar 31, 4:14 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Perry	46 min
Mar 31, 4:37 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Montgomery, Robertson	23 min
Mar 31, 4:48 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Maury	42 min
Mar 31, 4:49 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Wayne	26 min
Mar 31, 5:01 PM CDT	Special Weather Statement	OHX	Robertson, Sumner	29 min
Mar 31, 5:14 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Wayne	46 min
Mar 31, 5:18 PM CDT	Tornado Warning	OHX	Maury	27 min
Mar 31, 5:42 PM CDT	Tornado Warning	OHX	Marshall, Maury	29 min
Mar 31, 5:44 PM CDT	Tornado Warning	OHX	Giles, Lawrence	31 min
Mar 31, 5:56 PM CDT	Special Weather Statement	OHX	Sumner	49 min
Mar 31, 6:06 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	39 min
Mar 31, 6:14 PM CDT	Tornado Warning	OHX	Giles, Lawrence	31 min
Mar 31, 6:32 PM CDT	Special Weather Statement	OHX	Cannon	43 min
Mar 31, 6:44 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Warren, Wilson	31 min
Mar 31, 6:47 PM CDT	Tornado Warning	OHX	Giles, Marshall	28 min
Mar 31, 6:53 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Sumner, Trousdale, Wilson	22 min

Nearby

Special Weather Statements in Tennessee, 2016 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.