Alert archive / Tennessee / Special Weather Statements in 2014

Special Weather Statement, NWS Nashville, TN

October 7, 2014DeKalb County, Tennessee

NWS Nashville, TN issued this special weather statement at Oct 7, 2014, 12:30 AM CDT for DeKalb 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 7, 2014, 12:30 AM CDT (05:30 UTC)
Expired: Oct 7, 2014, 1:15 AM CDT
In force: 45 min
Issued by: NWS Nashville, TN

County DeKalb County, TN

The radar

The Nashville radar (KOHX), 46 km from the middle of the area, began a volume at 05:31 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, 5.5 hours before the alert went out and 46 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: 1087 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 273 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.9

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 6, 11:58 PM CDT, 32 minutes earlier.

Area forecast discussion, Oct 6, 11:58 PM CDT, 32 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
1158 PM CDT MON OCT 6 2014

.AVIATION...
REGIONAL RADAR IMAGERY INDICATES MAINLY ISO TSRA ACTIVITY
CONTINUES TO TAPER...AND DOES NOT LOOK TO IMPACT ANY OF THE TAF
SITES DURING THE OVERNIGHT HOURS. SFC DEWPOINT DEPRESSIONS REMAIN
LOW...SO SOME MVFR VIS REDUCTION TOWARD SUNRISE CAN BE EXPECTED
ESPECIALLY IF THE SFC WINDS WEAKEN. AFTER SUNRISE EXPECT ANOTHER
ROUND OF SHOWERS FOR MOST OF THE DAY TOMORROW...DIMINISHING FROM
WEST TO EAST IN THE LATE AFTERNOON/EVENING HOURS.

&&

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

&&

05

Hazardous weather outlook, Oct 6, 5:08 AM CDT, 19 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
508 AM CDT MON OCT 6 2014

TNZ005>011-023>034-056>066-075-077>080-093>095-071000-
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-
508 AM CDT MON OCT 6 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY FOR ALL OF
MIDDLE TENNESSEE MAINLY DURING THE AFTERNOON THROUGH EVENING HOURS.
MAIN CONCERNS WILL BE LARGE HAIL AND DAMAGING WINDS. AN ISOLATED
TORNADO CAN NOT BE RULED OUT...ESPECIALLY ACROSS WESTERN PORTIONS
OF THE MID STATE. SOME OF THESE THUNDERSTORMS MAY ALSO PRODUCE
BRIEF HEAVY DOWNPOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

STRONG THUNDERSTORMS WILL BE POSSIBLE ON TUESDAY. MAIN CONCERNS
WILL BE SMALL HAIL AND GUSTY WINDS.

.SPOTTER CALL TO ACTION STATEMENT...

REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED.

SPOTTERS CAN MAKE REPORTS VIA TWITTER USING HASHTAG #TSPOTTER

TO MAKE A REPORT VIA FACEBOOK GO TO:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.NASHVILLE.GOV

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

31

In the hours before

Local storm report, Oct 6, 8:13 PM CDT, 4 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
813 PM CDT MON OCT 06 2014

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

0746 PM     HAIL             1 NW SPARTA             35.94N  85.49W
10/06/2014  E1.00 INCH       WHITE              TN   AMATEUR RADIO

            QUARTER SIZE HAIL REPORTED AT OAKWOOD STREET AND
            MONTEREY HWY IN SPARTA TN

&&

EVENT NUMBER OHX1400611

MDAVIS

Local storm report, Oct 6, 8:18 PM CDT, 4 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
818 PM CDT MON OCT 06 2014

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

0817 PM     HAIL             S CROSSVILLE            35.95N  85.04W
10/06/2014  E1.75 INCH       CUMBERLAND         TN   PUBLIC

            QUARTER TO GOLF BALL SIZE HAIL REPORTED IN THE TOWN OF
            CROSSVILLE

&&

EVENT NUMBER OHX1400612

MDAVIS

Local storm report, Oct 6, 9:00 PM CDT, 3 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
900 PM CDT MON OCT 06 2014

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

0332 PM     HAIL             9 WSW FRANKLIN          35.88N  86.99W
10/06/2014  E0.70 INCH       WILLIAMSON         TN   TWITTER

            DIME SIZED HAIL REPORTED AT OLD HILLSBORO ROAD AND
            NATCHEZ TRACE PARKWAY

0350 PM     HAIL             5 SSE NASHVILLE         36.10N  86.75W
10/06/2014  M1.00 INCH       DAVIDSON           TN   EMERGENCY MNGR

            QUARTER SIZED HAIL REPORTED BY EMA AT CRIEVE HALL AND
            OAK HILL.

0352 PM     HAIL             5 SSE NASHVILLE         36.10N  86.75W
10/06/2014  E1.00 INCH       DAVIDSON           TN   EMERGENCY MNGR

            QUARTER SIZE HAIL REPORTED AT 648 GRASSMERE PARK -
            NASHVILLE ZOO

0355 PM     HAIL             7 SSE NASHVILLE         36.08N  86.74W
10/06/2014  E0.70 INCH       DAVIDSON           TN   AMATEUR RADIO

            DIME SIZE HAIL REPORTED AT I24 AND HARDING

0358 PM     HAIL             6 SE NASHVILLE          36.11N  86.71W
10/06/2014  E0.88 INCH       DAVIDSON           TN   TWITTER

            NICKEL SIZE HAIL REPORTED AT NASHVILLE INTERNATIONAL
            AIRPORT BNA

0458 PM     HAIL             N LA VERGNE             36.00N  86.57W
10/06/2014  E0.70 INCH       RUTHERFORD         TN   TWITTER

            DIME SIZE HAIL REPORTED IN LAVERGNE.

0503 PM     HAIL             1 N SMYRNA              36.00N  86.52W
10/06/2014  E0.70 INCH       RUTHERFORD         TN   PUBLIC

            DIME SIZE HAIL REPORTED NEAR SMYRNA AIRPORT

0538 PM     HAIL             3 S FRANKLIN            35.89N  86.84W
10/06/2014  E1.00 INCH       WILLIAMSON         TN   TWITTER

            QUARTER SIZE HAIL REPORTED VIA TWITTER AND TSPOTTER 3
            MILES SOUTH OF FRANKLIN.

0612 PM     HAIL             2 S SMYRNA              35.95N  86.52W
10/06/2014  E0.70 INCH       RUTHERFORD         TN   CO-OP OBSERVER

            DIME SIZE HAIL REPORTED ON ALMAVILLE ROAD IN SMYRNA BY
            CO-OP OBSERVER

0621 PM     HAIL             S ALGOOD                36.20N  85.45W
10/06/2014  E0.70 INCH       PUTNAM             TN   EMERGENCY MNGR

            DIME SIZE HAIL REPORTED IN ALGOOD COMMUNITY.

0625 PM     HAIL             5 N MURFREESBORO        35.93N  86.39W
10/06/2014  E1.00 INCH       RUTHERFORD         TN   TWITTER

            QUARTER SIZE HAIL REPORTED NORTH OF MURFREESBORO

0632 PM     HAIL             8 NE MURFREESBORO       35.94N  86.29W
10/06/2014  E1.00 INCH       RUTHERFORD         TN   TWITTER

            QUARTER SIZE HAIL REPORTED IN LASCASSAS COMMUNITY.

0635 PM     HAIL             8 NE MURFREESBORO       35.94N  86.29W
10/06/2014  E1.75 INCH       RUTHERFORD         TN   EMERGENCY MNGR

            GOLF BALL SIZE HAIL REPORTED NORTH OF MURFREESBORO

0643 PM     HAIL             S AUBURNTOWN            35.95N  86.09W
10/06/2014  E1.75 INCH       CANNON             TN   BROADCAST MEDIA

            GOLF BALL SIZE HAIL REPORTED IN AUBURNTOWN

0651 PM     HAIL             8 W JAMESTOWN           36.43N  85.08W
10/06/2014  E0.70 INCH       FENTRESS           TN   FIRE DEPT/RESCUE

            DIME SIZE HAIL REPORTED IN WESTERN AREAS OF FENTRESS
            COUNTY

0715 PM     HAIL             W EAGLEVILLE            35.74N  86.65W
10/06/2014  E0.70 INCH       RUTHERFORD         TN   TRAINED SPOTTER

            DIME SIZE HAIL REPORTED IN THE TOWN OF EAGLEVILLE.

0733 PM     HAIL             2 W MURFREESBORO        35.85N  86.43W
10/06/2014  E0.70 INCH       RUTHERFORD         TN   AMATEUR RADIO

            DIME SIZE HAIL REPORTED AT I-24 AND HWY 96 IN
            MURFREESBORO

0736 PM     HAIL             S MURFREESBORO          35.85N  86.39W
10/06/2014  E1.00 INCH       RUTHERFORD         TN   TWITTER

            QUARTER SIZE HAIL REPORTED WEST AND DOWNTOWN
            MURFREESBORO.

0746 PM     HAIL             1 NW SPARTA             35.94N  85.49W
10/06/2014  E1.00 INCH       WHITE              TN   AMATEUR RADIO

            QUARTER SIZE HAIL REPORTED AT OAKWOOD STREET AND
            MONTEREY HWY IN SPARTA TN

0749 PM     HAIL             12 E MURFREESBORO       35.85N  86.18W
10/06/2014  E1.00 INCH       RUTHERFORD         TN   TWITTER

            QUARTER SIZE HAIL CONTINUED TO BE REPORTED EAST OF
            MURFREESBORO EAST OF THE RUTHERFORD CANNON COUNTY LINE.

0817 PM     HAIL             S CROSSVILLE            35.95N  85.04W
10/06/2014  E1.75 INCH       CUMBERLAND         TN   PUBLIC

            QUARTER TO GOLF BALL SIZE HAIL REPORTED IN THE TOWN OF
            CROSSVILLE

&&

EVENT NUMBER OHX1400592 OHX1400593 OHX1400596 OHX1400594 OHX1400595
OHX1400598 OHX1400597 OHX1400600 OHX1400599 OHX1400601 OHX1400602
OHX1400604 OHX1400603 OHX1400607 OHX1400605 OHX1400606 OHX1400608
OHX1400609 OHX1400611 OHX1400610 OHX1400612

MDAVIS

Special weather statement, Oct 6, 9:55 PM CDT, 2 hours 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
955 PM CDT MON OCT 6 2014

TNZ061-062-075-070330-
BEDFORD-MARSHALL-RUTHERFORD-
955 PM CDT MON OCT 6 2014

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

AT 954 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 16 MILES EAST OF SPRING HILL...MOVING EAST AT
30 MPH.

SOME LOCATIONS IN THE PATH INCLUDE CHAPEL HILL...EAGLEVILLE...
ROVER...UNIONVILLE...DEASON...FOSTERVILLE...CHRISTIANA AND BELL
BUCKLE.

PENNY SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3559 8672 3570 8673 3571 8669 3572 8670
      3575 8670 3576 8618 3573 8621 3571 8621
      3569 8625 3556 8624

27

Special weather statement, Oct 6, 10:34 PM CDT, 1 hour 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1034 PM CDT MON OCT 6 2014

TNZ066-070400-
CUMBERLAND-
1034 PM CDT MON OCT 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR CUMBERLAND COUNTY...

AT 1033 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A STRONG THUNDERSTORM NEAR CROSSVILLE...MOVING EAST AT 55
MPH.

SOME LOCATIONS IN THE PATH INCLUDE LAKE TANSI...CROSSVILLE...
CUMBERLAND MOUNTAIN STATE PARK...SLATE SPRINGS...CRAB ORCHARD AND
FAIRFIELD GLADE.

PENNY SIZE HAIL IS EXPECTED WITH THIS STORM.

LAT...LON 3595 8470 3583 8514 3596 8519 3612 8485
      3610 8484 3610 8482 3608 8480 3606 8479
      3599 8471 3597 8470

27

Special weather statement, Oct 7, 12:30 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1230 AM CDT TUE OCT 7 2014

TNZ028-030-062>064-070615-
CANNON-DE KALB-RUTHERFORD-SMITH-WILSON-
1230 AM CDT TUE OCT 7 2014

...SIGNIFICANT WEATHER ADVISORY FOR CANNON...DE KALB...RUTHERFORD...
SMITH AND WILSON COUNTIES...

AT 1228 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A STRONG THUNDERSTORM NEAR WALTERHILL...MOVING NORTHEAST AT
35 MPH.

SOME LOCATIONS IN THE PATH INCLUDE LASCASSAS...WALTERHILL...CEDARS OF
LEBANON STATE PARK...MILTON...WATERTOWN...ALEXANDRIA...LIBERTY...
DOWELLTOWN...HICKMAN AND GORDONSVILLE.

HALF INCH SIZE HAIL IS EXPECTED WITH THIS STORM.

LAT...LON 3626 8591 3598 8581 3585 8635 3606 8650

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 6, 7:02 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, White	43 min
Oct 6, 7:16 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	44 min
Oct 6, 7:28 PM CDT	Special Weather Statement	OHX	Fentress	17 min
Oct 6, 7:42 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Putnam, White	33 min
Oct 6, 7:46 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Warren	27 min
Oct 6, 8:12 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland	33 min
Oct 6, 9:55 PM CDT	Special Weather Statement	OHX	Bedford	35 min
Oct 6, 10:13 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Rutherford	32 min
Oct 6, 10:34 PM CDT	Special Weather Statement	OHX	Cumberland	26 min
Oct 7, 12:42 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	33 min
Oct 7, 12:46 AM CDT	Special Weather Statement	OHX	Van Buren, Warren	44 min
Oct 7, 1:01 AM CDT	Special Weather Statement	OHX	Davidson, Dickson, Rutherford, Williamson	44 min
Oct 7, 1:06 AM CDT	Special Weather Statement	OHX	DeKalb	39 min
Oct 7, 1:18 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	27 min
Oct 7, 1:24 AM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	36 min
Oct 7, 1:51 AM CDT	Special Weather Statement	OHX	Cannon, Warren, Wilson	24 min
Oct 7, 2:42 AM CDT	Special Weather Statement	OHX	Cumberland, Van Buren, White	48 min
Oct 7, 8:03 AM CDT	Special Weather Statement	OHX	Davidson, Robertson, Sumner, Wilson	42 min
Oct 7, 8:16 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Wilson	29 min
Oct 7, 8:28 AM CDT	Special Weather Statement	OHX	Jackson, Smith	47 min
Oct 7, 8:39 AM CDT	Special Weather Statement	OHX	Macon, Sumner, Trousdale	36 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.