Alert archive / Tennessee / Special Weather Statements in 2014

Special Weather Statement, NWS Nashville, TN

October 10, 2014Maury County, Tennessee

NWS Nashville, TN issued this special weather statement at Oct 10, 2014, 10:30 AM CDT for Maury County, Tennessee. It was in force for 45 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: Oct 10, 2014, 10:30 AM CDT (15:30 UTC)
Expired: Oct 10, 2014, 11:15 AM CDT
In force: 45 min
Issued by: NWS Nashville, TN

County Maury County, TN

The radar

The Nashville radar (KOHX), 87 km from the middle of the area, began a volume at 15:30 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, 3.5 hours before the alert went out and 76 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: 131 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Oct 10, 6:32 AM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, Oct 10, 6:32 AM CDT, 3 hours 58 minutes before

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Hazardous weather outlook, Oct 10, 10:19 AM CDT, 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
1019 AM CDT FRI OCT 10 2014

TNZ005>011-023>034-056>066-075-077>080-093>095-111330-
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-
830 AM CDT FRI OCT 10 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE FORECAST FOR MIDDLE TENNESSEE TODAY AND TONIGHT.
SOME STORMS WILL BE STRONG...WITH HEAVY DOWNPOURS AND GUSTY WINDS.
PONDING OF WATER IS EXPECTED IN LOW LYING SPOTS...ESPECIALLY WHERE A
NUMBER OF THUNDERSTORMS TRAIN ACROSS THE SAME AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

ADDITIONAL ROUNDS OF THUNDERSTORMS ARE FORECAST OVER THE WEEKEND
AND INTO EARLY NEXT WEEK...WILL INCREASE THE POSSIBILITY FOR FOR
FLASH FLOODING. ISOLATED SEVERE STORMS ARE EXPECTED LATE MONDAY
INTO EARLY TUESDAY...AS A STRONG COLD FRONT SWEEPS THROUGH.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTERS AND LOCAL EMERGENCY MANAGEMENT OFFICIALS ARE ENCOURAGED
TO REPORT SEVERE WEATHER AND HEAVY RAINFALL AMOUNTS TO THE
NATIONAL WEATHER SERVICE IN NASHVILLE.

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

27

In the hours before

Special weather statement, Oct 10, 5:25 AM CDT, 5 hours 5 minutes before

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Special weather statement, Oct 10, 10:30 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1030 AM CDT FRI OCT 10 2014

TNZ057-058-060-094-101615-
HICKMAN-LAWRENCE-LEWIS-MAURY-
1030 AM CDT FRI OCT 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR HICKMAN...LAWRENCE...LEWIS AND
MAURY COUNTIES...

AT 1025 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A STRONG THUNDERSTORM NEAR SUMMERTOWN...MOVING NORTHEAST AT
25 MPH.

SOME LOCATIONS IN THE PATH INCLUDE GORDONSBURG...SUMMERTOWN...
HAMPSHIRE...MOUNT PLEASANT...WILLIAMSPORT...COLUMBIA AND SANTA FE.

WINDS 30 TO 40 MPH AND TORRENTIAL RAINFALL ARE EXPECTED WITH THIS
STORM.

LAT...LON 3582 8713 3562 8690 3541 8733 3558 8748

11

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 7:00 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	32 min
Oct 10, 12:36 AM CDT	Special Weather Statement	OHX	Dickson	54 min
Oct 10, 1:02 AM CDT	Special Weather Statement	OHX	Dickson	43 min
Oct 10, 1:49 AM CDT	Special Weather Statement	OHX	Davidson	41 min
Oct 10, 5:25 AM CDT	Special Weather Statement	OHX	Macon	35 min
Oct 10, 12:49 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	41 min

Nearby

Special Weather Statements in Tennessee, 2014 Every special weather statement in 2014

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.