Alert archive / Tennessee / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 223, NWS Nashville, TN

November 30, 2016Grundy County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Nov 30, 2016, 2:10 AM CST for Grundy County, Tennessee. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 30, 2016, 2:10 AM CST (08:10 UTC)
Expired: Nov 30, 2016, 2:45 AM CST
In force: 35 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County Grundy County, TN

The radar

The Northeast Alabama radar (KHTX), 61 km from the middle of the area, began a volume at 08:11 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 29, 6:47 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.2 hours before the alert went out and 114 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: 1648 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 354 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Nov 30, 12:06 AM CST, 2 hours 4 minutes earlier.

Area forecast discussion, Nov 30, 12:06 AM CST, 2 hours 4 minutes before

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Hazardous weather outlook, Nov 29, 2:14 PM CST, 11 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
214 PM CST TUE NOV 29 2016

TNZ005>011-023>034-056>066-075-077>080-093>095-302015-
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-
214 PM CST TUE NOV 29 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TONIGHT

SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS ALL OF MIDDLE
TENNESSEE BETWEEN 9 PM AND 4 AM. THE MAIN CONCERN WILL BE
DAMAGING STRAIGHT LINE WINDS, BUT LARGE HAIL UP TO QUARTER SIZE
AND A FEW ISOLATED TORNADOES CANNOT BE RULED OUT. THE HIGHEST
TORNADO THREAT WILL BE SOUTH OF A LINDEN TO MURFREESBORO TO
CROSSVILLE LINE.

EXCESSIVE RUNOFF FROM HEAVY RAINS AS WELL AS LEAF-CLOGGED DRAINS
COULD CAUSE SOME FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED TONIGHT.

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

JACKSON

In the hours before

Local storm report, Nov 29, 11:00 PM CST, 3 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
1100 PM CST TUE NOV 29 2016

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

0906 PM     TSTM WND DMG     1 W TULLAHOMA           35.37N  86.23W
11/29/2016                   COFFEE             TN   PUBLIC

            HOUSE DESTROYED AND TREES DOWN IN THE SHARONDALE AREA
            IN TULLAHOMA POSSIBLE TORNADO

0907 PM     TSTM WND DMG     1 NW TULLAHOMA          35.37N  86.22W
11/29/2016                   COFFEE             TN   TRAINED SPOTTER

            TREE DOWN ACROSS CEDAR STREET IN TULLAHOMA. ROAD
            IMPASSABLE

0907 PM     TSTM WND DMG     2 N TULLAHOMA           35.40N  86.22W
11/29/2016                   COFFEE             TN   BROADCAST MEDIA

            TREE FELL ON HOUSE NEAR LAKEWOOD COUNTRY CLUB IN
            TULLAHOMA

0907 PM     TSTM WND DMG     2 WSW TULLAHOMA         35.36N  86.24W
11/29/2016                   COFFEE             TN   TWITTER

            TSPOTTER REPORT OF TREES AND POWER LINES DOWN IN THE
            SHARONDALE AREA OF TULLAHOMA.

0909 PM     TSTM WND DMG     TULLAHOMA               35.37N  86.22W
11/29/2016                   COFFEE             TN   EMERGENCY MNGR

            MULTIPLE TREES AND POWER LINES WERE DOWNED ACROSS THE
            NORTH END OF TULLAHOMA.

0912 PM     TSTM WND GST     2 N TULLAHOMA           35.40N  86.22W
11/29/2016  M59 MPH          COFFEE             TN   ASOS

            TULLAHOMA ASOS RECORDED 51 KNOT GUST

0914 PM     TORNADO          5 NE TULLAHOMA          35.42N  86.15W
11/29/2016                   COFFEE             TN   TRAINED SPOTTER

            SPOTTER REPORTED A TORNADO NORTHEAST OF TULLAHOMA NEAR
            HWY 55 WITH DEBRI AND PEA SIZED HAIL

&&

EVENT NUMBER OHX1601132 OHX1601129 OHX1601130 OHX1601131 OHX1601128
OHX1601127 OHX1601126

31

Local storm report, Nov 29, 11:03 PM CST, 3 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1103 PM CST TUE NOV 29 2016

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

0907 PM     TSTM WND DMG     1 N TULLAHOMA           35.39N  86.22W
11/29/2016                   COFFEE             TN   TWITTER

            ROOF DAMAGE TO STRIP MALL ALONG N JACKSON STREET IN
            TULLAHOMA

&&

EVENT NUMBER OHX1601133

BW

Local storm report, Nov 29, 11:37 PM CST, 2 hours 33 minutes before

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Local storm report, Nov 29, 11:47 PM CST, 2 hours 23 minutes before

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Local storm report, Nov 29, 11:52 PM CST, 2 hours 18 minutes before

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Local storm report, Nov 29, 11:53 PM CST, 2 hours 17 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
Nov 29, 7:41 PM CST	Special Weather Statement	OHX	Maury	34 min
Nov 29, 8:33 PM CST	Special Weather Statement	OHX	Giles	27 min
Nov 29, 8:44 PM CST	Tornado Warning	OHX	Giles	16 min
Nov 29, 8:48 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee	42 min
Nov 29, 8:51 PM CST	Special Weather Statement	OHX	Warren	24 min
Nov 29, 8:57 PM CST	Tornado Warning	OHX	Bedford, Coffee	33 min
Nov 29, 9:27 PM CST	Tornado Warning	OHX	Coffee, Warren	33 min
Nov 29, 10:04 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy	26 min
Nov 29, 10:29 PM CST	Severe Thunderstorm Warning	OHX	Grundy	18 min
Nov 29, 10:42 PM CST	Tornado Warning	OHX	Grundy, Van Buren, Warren	33 min
Nov 29, 11:09 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy	51 min
Nov 30, 1:40 AM CST	Areal Flood Advisory	OHX	Bedford, Coffee, Grundy, Warren	2 hr
Nov 30, 2:21 AM CST	Tornado Warning	OHX	Cumberland	11 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2016 Every severe thunderstorm warning 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.