Alert archive / Tennessee / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 304, NWS Nashville, TN

November 15, 2005Macon County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Nov 15, 2005, 7:13 PM CST for Macon County, Tennessee. It was in force for 32 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: Nov 15, 2005, 7:13 PM CST (01:13 UTC)
Expired: Nov 15, 2005, 7:45 PM CST
In force: 32 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Macon County, TN

The radar

The Nashville radar (KOHX), 70 km from the middle of the area, began a volume at 01:14 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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 15, 3:15 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.2 hours before the alert went out and 82 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: 554 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 421 m²/s²
0-3 km storm-relative helicity: 506 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 5.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KOHX 160114
SVROHX
TNC111-160145-
/O.NEW.KOHX.SV.W.0304.051116T0113Z-051116T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
713 PM CST TUE NOV 15 2005

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MACON COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF LAFAYETTE

* UNTIL 745 PM CST

* AT 708 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES WEST OF LAFAYETTE...AND
  MOVING NORTHEAST AT 50 MPH.

LAT...LON 3661 8627 3645 8615 3670 8550 3694 8565

$$
JAO

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 15, 3:47 PM CST, 3 hours 26 minutes earlier.

Area forecast discussion, Nov 15, 3:47 PM CST, 3 hours 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
347 PM CST TUE NOV 15 2005

.DISCUSSION...
18Z RAOB SHOWED DRIER AIR OVER MIDDLE TENNESSEE BELOW A MID LEVEL
CAP...THUS LIMITING MORNING AND EARLY AFTERNOON STORM DEVELOPMENT.
HOWEVER...TWO LINES OF STRONG TO SEVERE CONVECTION DEVELOPED
FURTHER WEST WITH A FEW CELLS EXHIBITED SUPERCELL STRUCTURES. THE
FIRST AND MORE INTENSE LINE IS TAPPING INTO MODERATE INSTABILITY
WITH ROTATING COUPLETS AT LOW ANGLES.

KOHX RADAR SHOWED THE FIRST OF THESE COUPLETS IN STEWART COUNTY
WITH MORE TO THE SOUTHWEST. H8 JET APPROACHING 60KTS JUST NORTH OF
HOPKINSVILLE IN THE NAM12 AT 16/00Z. VAD WINDS SUPPORT DAMAGING
SURFACE WINDS AS AN ADDITIONAL HAZARD. SECONDARY LINE OF STORMS
MAY MERGE WITH THE FIRST LINE...AND THE SEVERE STORM THREAT WILL
CONTINUE WILL INTO THE EVENING. COLLOBRATED TORNADO WATCH 869 WAS
MERGED INTO HAZARD GRIDS AND IS EFFECTIVE UNTIL 11 PM CST.

EXTENDED LAKE WIND ADVISORY UNTIL MIDNIGHT...AND KEPT THIS ADVISORY
ALL NIGHT IN THE PLATEAU. COULD SEE GUSTS UP TO 40 MPH.

GFS80 IS QUICKER WITH A COLD FRONTAL PASSAGE TONIGHT...MOVING
THROUGH METRO NASHVILLE SHORTLY BEFORE MIDNIGHT CST. THE FRONT
WILL PUSH THROUGH THE PLATEAU AFTER MIDNIGHT. MODELS SHOW THAT
MUCH COLDER AIR WILL FILTER IN LATE TONIGHT AND WEDNESDAY. H8
TEMPERATURES FALL BELOW -6 C WEDNESDAY AFTERNOON...AND MOS DOES
NOT HAVE ENOUGH CLOUDS WEDNESDAY AFTERNOON.

COOL AND DRY WEATHER WILL CONTINUE INTO THE WEEKEND. IN FACT THE
COOL TEMPERATURES LOOK TO CONTINUE INTO NEXT WEEK. THERE MAY BE A
COLD FRONTAL PASSAGE OR TWO...BUT MOISTURE IS TOO LIMITED TO
ADVERTISE A RAIN CHANCE AT THIS POINT.

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE    41  45  25  44 / 100  10  10  10
CLARKSVILLE  38  45  23  45 / 100   0  10  10
CROSSVILLE   42  44  23  40 / 100  30  10  10

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
LAKE WIND ADVISORY UNTIL MIDNIGHT CST FOR MOST OF MIDDLE TENNESSEE
LAKE WIND ADVISORY UNTIL 6 AM CST FOR THE CUMBERLAND PLATEAU

&&

04

Hazardous weather outlook, Nov 15, 5:30 AM CST, 13 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
530 AM CST TUE NOV 15 2005

TNZ005>011-022>034-056>066-075-077>080-093>095-161130-
BEDFORD-BENTON-CANNON-CHEATHAM-CLAY-COFFEE-CUMBERLAND-DAVIDSON-
DEKALB-DICKSON-FENTRESS-GILES-GRUNDY-HICKMAN-HOUSTON-HUMPHREYS-
JACKSON-LAWRENCE-LEWIS-MACON-MARSHALL-MAURY-MONTGOMERY-OVERTON-PERRY-
PICKETT-PUTNAM-ROBERTSON-RUTHERFORD-SMITH-STEWART-SUMNER-TROUSDALE-
VAN BUREN-WARREN-WAYNE-WHITE-WILLIAMSON-WILSON-
530 AM CST TUE NOV 15 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT
THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY AND TONIGHT AHEAD OF AN
APPROACHING COLD FRONT. THE AIR MASS AHEAD OF THE FRONT WILL BE MOIST
AND UNSTABLE, WITH STRONG LOW LEVEL WIND SHEAR. THIS WILL PROVIDE A
GOOD ENVIRONMENT FOR THE DEVELOPMENT OF ISOLATED SUPERCELLS THIS
AFTERNOON, ACCOMPANIED BY ISOLATED TORNADOES AND DAMAGING STRAIGHT
LINE WINDS.

OUTSIDE OF THUNDERSTORM AREAS, WINDS AT THE SURFACE WILL BE 15 TO 20
MILES AN HOUR TODAY, WITH GUSTS AS HIGH AS 30 MILES AN HOUR. CAUTION
IS THEREFORE ADVISED ON AREA LAKES.

MORE THUNDERSTORMS WILL MOVE IN TONIGHT IN THE FORM OF AN ORGANIZED
SQUALL LINE. SOME OF THESE STORMS WILL ALSO BECOME SEVERE, WITH THE
PRIMARY HAZARDS BEING DAMAGING DOWNBURST WINDS, LARGE HAIL, AND
ISOLATED TORNADOES.

IN ADDITION, THE STORM PREDICTION CENTER HAS PLACED A PORTION OF
MIDDLE TENNESSEE UNDER A HIGH RISK OF SEVERE WEATHER. THE HIGH RISK
AREA LIES WEST OF A LINE EXTENDING FROM WHITE HOUSE, TO NASHVILLE, TO
FAIRVIEW, TO HOHENWALD, TO WAYNESBORO. AREAS FARTHER EAST,
INCLUDING THE CITIES OF LAFAYETTE, LEBANON, MURFREESBORO, COLUMBIA,
AND PULASKI ARE UNDER A MODERATE RISK OF SEVERE WEATHER. THE
REMAINDER OF THE MID STATE AND CUMBERLAND PLATEAU IS UNDER A SLIGHT
RISK OF SEVERE WEATHER TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
THE RISK OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

ROSE

In the hours before

Local storm report, Nov 15, 6:39 PM CST, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
639 PM CST TUE NOV 15 2005

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

0635 PM     TORNADO          12 SW FRANKLIN          35.81N 86.99W
11/15/2005                   WILLIAMSON         TN   CO-OP OBSERVER

            TORNADO OBSERVED BY CO-0P OBSERVER 5 MILES WEST OF
            THOMPSON STATION.

&&

ORCHANIAN

Local storm report, Nov 15, 6:54 PM CST, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
654 PM CST TUE NOV 15 2005

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

0505 PM     TSTM WND DMG     ADAMS                   36.58N 87.07W
11/15/2005                   ROBERTSON          TN   LAW ENFORCEMENT

            TREES BLOWN DOWN

0505 PM     TSTM WND DMG     CEDAR HILL              36.55N 87.00W
11/15/2005                   ROBERTSON          TN   LAW ENFORCEMENT

            TREES BLOWN DOWN

&&

JCOHEN

Local storm report, Nov 15, 6:55 PM CST, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
655 PM CST TUE NOV 15 2005

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

0630 PM     TORNADO          10 N COLUMBIA           35.77N 87.05W
11/15/2005                   MAURY              TN   TRAINED SPOTTER

            TORNADO SPOTTED ON THE GROUND ABOUT 5 MILES WNW OF SPRING
            HILL MOVING INTO WILLIAMSON COUNTY

&&

MED

Local storm report, Nov 15, 6:56 PM CST, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
656 PM CST TUE NOV 15 2005

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

0630 PM     TORNADO          12 SSW FRANKLIN         35.77N 86.92W
11/15/2005                   WILLIAMSON         TN   TRAINED SPOTTER

            TORNADO 5 MILES WEST OF SPRING HILL MOVING INTO
            WILLIAMSON CO

&&

MED

Local storm report, Nov 15, 6:58 PM CST, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
658 PM CST TUE NOV 15 2005

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

0645 PM     TSTM WND DMG     13 NW WAYNESBORO        35.46N 87.92W
11/15/2005                   WAYNE              TN   AMATEUR RADIO

            MANY LARGE TREES DOWN IN CLIFTON.

&&

ORCHANIAN

Local storm report, Nov 15, 7:01 PM CST, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
701 PM CST TUE NOV 15 2005

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

0545 PM     TSTM WND DMG     16 NNE DICKSON          36.29N 87.27W
11/15/2005                   DICKSON            TN   AMATEUR RADIO

            SEVERAL HOMES DAMAGED IN STAYTON COMMUNITY. UNCONFIRMED
            POSSIBLE TORNADO.

&&

MED

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 15, 6:09 PM CST	Tornado Warning	OHX	Dickson	36 min
Nov 15, 6:11 PM CST	Tornado Warning	OHX	Lawrence	34 min
Nov 15, 6:24 PM CST	Tornado Warning	OHX	Williamson	51 min
Nov 15, 6:30 PM CST	Severe Thunderstorm Warning	OHX	Davidson	60 min
Nov 15, 6:32 PM CST	Tornado Warning	OHX	Robertson, Sumner	43 min
Nov 15, 6:36 PM CST	Tornado Warning	OHX	Cheatham	24 min
Nov 15, 6:41 PM CST	Tornado Warning	OHX	Davidson	34 min
Nov 15, 6:43 PM CST	Tornado Warning	OHX	Giles, Maury	62 min
Nov 15, 6:50 PM CST	Tornado Warning	OHX	Wayne	55 min
Nov 15, 6:54 PM CST	Severe Thunderstorm Warning	OHX	Lewis	51 min
Nov 15, 6:56 PM CST	Tornado Warning	OHX	Rutherford, Wilson	64 min
Nov 15, 7:08 PM CST	Severe Thunderstorm Warning	OHX	Giles, Lawrence	67 min
Nov 15, 7:10 PM CST	Severe Thunderstorm Warning	OHX	Marshall	50 min
Nov 15, 7:20 PM CST	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Trousdale	25 min
Nov 15, 7:23 PM CST	Tornado Warning	OHX	Marshall, Williamson	52 min
Nov 15, 7:26 PM CST	Tornado Warning	OHX	Lawrence	34 min
Nov 15, 7:34 PM CST	Tornado Warning	OHX	Giles	41 min
Nov 15, 7:44 PM CST	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith, Trousdale	46 min
Nov 15, 7:45 PM CST	Severe Thunderstorm Warning	OHX	Maury	45 min
Nov 15, 7:57 PM CST	Tornado Warning	OHX	Rutherford, Wilson	48 min
Nov 15, 8:11 PM CST	Severe Thunderstorm Warning	OHX	Giles, Lawrence	49 min
Nov 15, 8:18 PM CST	Severe Thunderstorm Warning	OHX	Marshall	42 min
Nov 15, 8:26 PM CST	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam, Smith	34 min
Nov 15, 8:42 PM CST	Severe Thunderstorm Warning	OHX	DeKalb	33 min
Nov 15, 8:49 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Rutherford	41 min
Nov 15, 9:01 PM CST	Tornado Warning	OHX	Cannon	29 min
Nov 15, 9:06 PM CST	Tornado Warning	OHX	DeKalb	24 min
Nov 15, 9:25 PM CST	Severe Thunderstorm Warning	OHX	Coffee	35 min
Nov 15, 9:27 PM CST	Severe Thunderstorm Warning	OHX	DeKalb, Putnam, White	33 min
Nov 15, 9:30 PM CST	Severe Thunderstorm Warning	OHX	Warren, White	60 min
Nov 15, 9:48 PM CST	Tornado Warning	OHX	Warren	27 min
Nov 15, 10:00 PM CST	Tornado Warning	OHX	White	45 min
Nov 15, 10:07 PM CST	Severe Thunderstorm Warning	OHX	Cumberland, Grundy, Van Buren	53 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2005 Every severe thunderstorm warning in 2005

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.