Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Nashville, TN

April 27, 2016Cumberland County, Putnam County, White County, Tennessee

NWS Nashville, TN issued this special weather statement at Apr 27, 2016, 8:44 PM CDT for Cumberland County, Putnam County, White County, Tennessee. It was in force for 61 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: Apr 27, 2016, 8:44 PM CDT (01:44 UTC)
Expired: Apr 27, 2016, 9:45 PM CDT
In force: 61 min
Issued by: NWS Nashville, TN

Counties Cumberland County, TN, Putnam County, TN, White County, TN

The radar

The Nashville radar (KOHX), 128 km from the middle of the area, began a volume at 01:47 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 00:00Z, 1.7 hours before the alert went out and 129 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: 279 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1503 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Apr 27, 6:36 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Apr 27, 6:36 PM CDT, 2 hours 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
636 PM CDT WED APR 27 2016

.UPDATE...
FOR 00Z AVIATION DISCUSSION.

&&

.DISCUSSION...

UPDATING THE FORECAST TO REMOVE AFTERNOON WORDING AND TO ADJUST
THE NEAR TERM WITH THE CURRENT RADAR. SHOWERS AND STORMS WILL
CONTINUE FROM ALONG AND JUST WEST OF I-65 THROUGH THE EASTERN CWA
THROUGH THE REST OF THE EVENING HOURS. A FEW STRONG STORMS MAY BE
POSSIBLE.

UPDATE OUT SHORTLY.

&&

.AVIATION...
00Z TAF DISCUSSION.

A LINE OF CONVECTION STRETCHING FROM CLARKSVILLE DOWN ALONG
INTERSTATE 65 INTO FAR NORTHERN ALABAMA WILL CONTINUE TO ADVANCE
EASTWARD OVER THE NEXT SEVERAL HOURS AND BE ALONG THE PLATEAU BY
03Z. STILL COULD SEE ISOLATED SHOWERS/TSTORMS REDEVELOP TO OUR
WEST AS WE GO THROUGH THE EVENING AS COLD FRONT IS STILL WELL WEST
OF THE MISSISSIPPI RIVER.

&&

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

&&

SHORT TERM/AVIATION........01/BOYD
LONG TERM..................17

Hazardous weather outlook, Apr 27, 9:44 AM CDT, 11 hours before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NASHVILLE TN
944 AM CDT WED APR 27 2016

TNZ005>011-023>034-056>066-075-077>080-093>095-281000-
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-
944 AM CDT WED APR 27 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON
AND EVENING MAINLY FOR LOCATIONS APPROACHING THE TENNESSEE RIVER
VALLEY REGION...GENERALLY FOR LOCATIONS ALONG AND WEST OF A CLARKSVILLE
TO WAYNESBORO LINE. DAMAGING WIND GUSTS OF UP TO AROUND 65 MPH AND
HAIL DIAMETERS UP TO AROUND THE SIZE OF QUARTERS WILL BE THE MAIN
THREATS...BUT AN ISOLATED TORNADO CANNOT BE RULED OUT EITHER.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ADDITIONAL ROUNDS OF STRONG TO POSSIBLY SEVERE THUNDERSTORMS CAN
BE EXPECTED ON SATURDAY AND SUNDAY WITH GUSTY WINDS AND HAIL BEING
THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BECOME NECESSARY THIS AFTERNOON AND EVENING.

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

31

In the hours before

Special weather statement, Apr 27, 7:11 PM CDT, 1 hour 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
711 PM CDT WED APR 27 2016

TNZ077-280100-
COFFEE TN-
711 PM CDT WED APR 27 2016

...SIGNIFICANT WEATHER ADVISORY FOR COFFEE COUNTY UNTIL 800 PM CDT...

AT 711 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
TULLAHOMA...OR 9 MILES SOUTHWEST OF MANCHESTER...MOVING NORTHEAST AT 40
MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MANCHESTER...TULLAHOMA...SUMMITVILLE...HILLSBORO...BEECHGROVE...ARNOLD AFB
AND WOODS RESERVOIR.

LAT...LON 3531 8600 3534 8603 3536 8615 3534 8626
      3535 8625 3535 8624 3537 8628 3538 8625
      3539 8628 3545 8624 3569 8625 3571 8622
      3565 8609 3566 8599 3557 8595 3554 8588
      3542 8589 3537 8587 3529 8591
TIME...MOT...LOC 0011Z 242DEG 34KT 3538 8620

SHAMBURGER

Special weather statement, Apr 27, 7:15 PM CDT, 1 hour 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
715 PM CDT WED APR 27 2016

TNZ008-009-028>030-280115-
TROUSDALE TN-SUMNER TN-MACON TN-SMITH TN-WILSON TN-
715 PM CDT WED APR 27 2016

...SIGNIFICANT WEATHER ADVISORY FOR SMITH...EASTERN SUMNER...MACON...
WILSON AND TROUSDALE COUNTIES UNTIL 815 PM CDT...

AT 715 PM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS
ALONG A LINE EXTENDING FROM WESTMORELAND TO WALTERHILL. MOVEMENT WAS
NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GALLATIN...LEBANON...LAFAYETTE...CARTHAGE...HARTSVILLE...HENDERSONVILLE...
MOUNT JULIET...WESTMORELAND...WATERTOWN...GORDONSVILLE...RED BOILING
SPRINGS...BELINDA CITY...RURAL HILL...HICKMAN...SOUTH CARTHAGE...DICKERSON
CHAPEL RECREATION AREA...BLEDSOE CREEK STATE PARK...DIXON SPRINGS...
CEDARS OF LEBANON STATE PARK AND TUCKERS CROSSROADS.

LAT...LON 3662 8579 3629 8585 3625 8582 3624 8578
      3621 8581 3617 8579 3609 8587 3612 8591
      3610 8592 3611 8596 3609 8606 3596 8602
      3598 8631 3604 8639 3603 8640 3611 8653
      3614 8653 3614 8656 3625 8659 3665 8642
TIME...MOT...LOC 0015Z 243DEG 23KT 3663 8636 3606 8639

SHAMBURGER

Local storm report, Apr 27, 7:48 PM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
748 PM CDT WED APR 27 2016

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

0713 PM     TSTM WND DMG     TULLAHOMA               35.37N  86.22W
04/27/2016                   COFFEE             TN   911 CALL CENTER

            TREE DOWN ON NORTH ATLANTIC ST. IN TULLAHOMA.

&&

EVENT NUMBER OHX1600408

MR3

Local storm report, Apr 27, 7:58 PM CDT, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
758 PM CDT WED APR 27 2016

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

0731 PM     TSTM WND DMG     MANCHESTER              35.47N  86.08W
04/27/2016                   COFFEE             TN   LAW ENFORCEMENT

            TREE DOWN ON HOUSE ON BEECHWOOD DR.

&&

EVENT NUMBER OHX1600409

MR3

Local storm report, Apr 27, 8:33 PM CDT, 11 minutes before

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Special weather statement, Apr 27, 8:44 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:11 PM CDT	Special Weather Statement	OHX	Coffee	49 min
Apr 27, 7:15 PM CDT	Special Weather Statement	OHX	Macon, Smith, Sumner, Trousdale, Wilson	60 min
Apr 27, 7:32 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Grundy, Warren	28 min
Apr 27, 7:57 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Van Buren, Warren, White	33 min
Apr 27, 8:07 PM CDT	Severe Thunderstorm Warning	OHX	Grundy, Van Buren, Warren	23 min
Apr 27, 8:27 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren	33 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.