Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 60, NWS Nashville, TN

April 4, 20118 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 4, 2011, 2:08 PM CDT for 8 counties in Tennessee. It was in force for 52 min. 24 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 4, 2011, 2:08 PM CDT (19:08 UTC)
Expired: Apr 4, 2011, 3:00 PM CDT
In force: 52 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Cannon County, TN, Davidson County, TN, Marshall County, TN, Maury County, TN, Rutherford County, TN, Sumner County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 45 km from the middle of the area, began a volume at 19:09 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.

What was reported inside it

Time	Report	Where	Remark
Apr 4, 2:08 PM CDT	FUNNEL CLOUD	5 Se Nashville, TN	FUNNEL NEAR PERCY PRIEST LAKE.
Apr 4, 2:09 PM CDT	TORNADO	2 Ne Franklin, TN	A MILE WEST OF COOL SPRINGS MALL TORNADO WAS REPORTED
Apr 4, 2:10 PM CDT	TSTM WND DMG	1 S Franklin, TN	30 INCH DIAMETER TREE SNAPPED IN HALF BY WIND.
Apr 4, 2:10 PM CDT	TSTM WND DMG	Nashville, TN	LARGE TREE DOWNED ONTO THE SIDE OF A NON-RESIDENTIAL BUILDING AT CORNER OF JACKSON STREET AND 17TH AVENUE NORTH NEAR FISK UNIVERSITY. ALSO A LARGE TREE WAS BLOWN DOWN ON VANDERBILT UNIVERSITY CAMPUS ON KENSINGTON PLACE NEAR THE INTERSECTION WITH 25TH AVENUE SO
Apr 4, 2:14 PM CDT	TSTM WND DMG	4 N Mount Juliet, TN	SEVERAL BOAT DOCKS DESTROYED AT CEDAR CREEK MARINA.
Apr 4, 2:14 PM CDT	TSTM WND DMG	Nashville, TN	TREES DOWN AT BLUE FIELD RD AND DONNELSON PIKE.
Apr 4, 2:15 PM CDT	TSTM WND DMG	1 N Hendersonville, TN	TREES DOWN NEAR HWY 386 AND NEW SHACKLE ISLAND ROAD
Apr 4, 2:15 PM CDT	TSTM WND DMG	2 S Nashville, TN	TREES DOWN AT THE 100 OAKS MALL AREA
Apr 4, 2:15 PM CDT	HAIL 0.25	2 S Nashville, TN	HAIL REPORTED AT LIPSCOMB UNIVERSITY
Apr 4, 2:15 PM CDT	TORNADO	La Vergne, TN	POSSIBLE TORNADO IN LA VERGNE. DAMAGE INCLUDED STRUCTURE DAMAGE IN THE BLAIR ROAD AREA.
Apr 4, 2:16 PM CDT	TSTM WND DMG	8 Ene Nashville, TN	NEAR THE INTERSECTION OF OLD HICKORY BLVD AND TUPIP GROVE ROAD TWO METAL HIGH VOLTAGE POWER POLES BENT OVER. SOME TREES WERE SNAPPED AND UPROOTED.
Apr 4, 2:17 PM CDT	TSTM WND DMG	2 Nw Gallatin, TN	TREE 2.5 FEET IN DIAMETER DOWN
Apr 4, 2:20 PM CDT	TSTM WND DMG	1 Sw Mount Juliet, TN	NUMEROUS SNAPPED AND UPROOTED TREES INCLUDING SOME ROOF DAMAGE TO SEVERAL HOMES IN THE MORELAND FARMS COMMUNITY OFF OF OLD LEBANON DIRT ROAD.
Apr 4, 2:20 PM CDT	TSTM WND DMG	1 W Gallatin, TN	SEVERAL TREES DOWN AT LONG HOLLOW GOLF COURSE
Apr 4, 2:20 PM CDT	TSTM WND DMG	Nashville, TN	HIGH TENSION POWER LINES DOWN 3 MILES WEST OF THE NASHVILLE INTERNATIONAL AIRPORT
Apr 4, 2:20 PM CDT	TORNADO	5 W Smyrna, TN	AN EF1 TORNADO OCCURRED IN EXTREME SOUTHERN DAVIDSON COUNTY AND NORTHWESTERN RUTHERFORD COUNTY...WITH ESTIMATED WIND SPEED OF 104 MPH...WITH A PATH WIDTH OF 100 YARDS AND A PATH LENGTH OF 4.19 MILES. HUNDREDS OF TREES WERE SNAPPED OR UPROOTED...NUMEROUS HOMES
Apr 4, 2:22 PM CDT	TSTM WND DMG	2 Ese Mount Juliet, TN	NUMEROUS TREES UPROOT AND SNAPPED. SOME MOBILE HOMES WITH ROOF DAMAGE.
Apr 4, 2:26 PM CDT	TSTM WND DMG	5 Wsw Lebanon, TN	SOME SHINGLES REMOVED FROM HOUSE ROOF AND TWO TREES UPROOTED.
Apr 4, 2:30 PM CDT	TSTM WND DMG	2 N Franklin, TN	BUILDING ROOF DAMAGED BY WINDS
Apr 4, 2:30 PM CDT	TSTM WND DMG	Lebanon, TN	LINE OF TREE DAMAGE AND TREE DEBRIS FROM MORELAND FARMS HEADED NORTHEAST CROSSING NORTH MOUNT JULIET ROAD ABOUT 100 YARDS NORTH OF OLD LEBANON DIRT ROAD INTERSECTION. GUTTERS AND PARTS OF ROOFING MISSING FROM SEVERAL BUSINESS JUST NORTH OF THE OLD LEBANON DIRT
Apr 4, 2:30 PM CDT	TSTM WND DMG	Smyrna, TN	TRACTOR TRAILOR ON ITS SIDE ON I-24 AT SAM RIDLEY PKWY AND 2 TRAILORS FLIPPED ON SIDES AT THE PETER BUILT PARKING LOT
Apr 4, 2:35 PM CDT	TSTM WND DMG	1 Sw Gallatin, TN	TREES DOWN, TRAFFIC LIGHT BLOWN DOWN ON 109 AT BELVEDERE
Apr 4, 2:40 PM CDT	TSTM WND DMG	Spring Hill, TN	ROOF BLOWN OFF BUILDING
Apr 4, 3:07 PM CDT	TSTM WND DMG	13 Wnw Lebanon, TN	CEDAR CREEK MARINA WITH TWO BOATSHEDS DESTROYED AND POWERLINES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 4, 11:34 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.1 hours before the alert went out and 31 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: 68 J/kg
Mixed-layer CIN: -640 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 370 m²/s²
0-3 km storm-relative helicity: 507 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

251 
WUUS54 KOHX 041908
SVROHX
TNC015-037-117-119-149-165-187-189-042000-
/O.NEW.KOHX.SV.W.0060.110404T1908Z-110404T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
208 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MAURY COUNTY IN MIDDLE TENNESSEE...
  NORTHERN CANNON COUNTY IN MIDDLE TENNESSEE...
  WILLIAMSON COUNTY IN MIDDLE TENNESSEE...
  RUTHERFORD COUNTY IN MIDDLE TENNESSEE...
  DAVIDSON COUNTY IN MIDDLE TENNESSEE...
  SOUTH CENTRAL SUMNER COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN MARSHALL COUNTY IN MIDDLE TENNESSEE...
  WILSON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 300 PM CDT

* AT 205 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THE STORM WAS NEAR SPRING
  HILL...MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FRANKLIN...
  NOLENSVILLE...
  SMYRNA...
  WALTERHILL...
  BELINDA CITY...
  LEBANON...
  WATERTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS SEVERE THUNDERSTORM HAS THE POTENTIAL TO
CAUSE SERIOUS INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM MONDAY EVENING FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3589 8595 3571 8657 3571 8663 3569 8663
      3557 8702 3583 8722 3586 8721 3649 8638
TIME...MOT...LOC 1908Z 243DEG 63KT 3579 8698

$$
STEIGERWALDT

2 follow-up statements

755 
WWUS54 KOHX 041922
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
222 PM CDT MON APR 4 2011

TNC015-037-117-119-149-165-187-189-042000-
/O.CON.KOHX.SV.W.0060.000000T0000Z-110404T2000Z/
MAURY TN-CANNON TN-WILLIAMSON TN-RUTHERFORD TN-DAVIDSON TN-SUMNER TN-
MARSHALL TN-WILSON TN-
222 PM CDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WILSON...
NORTHEASTERN MARSHALL...SOUTH CENTRAL SUMNER...SOUTHEASTERN
DAVIDSON...RUTHERFORD...EASTERN WILLIAMSON...NORTHERN CANNON AND
NORTHEASTERN MAURY COUNTIES UNTIL 300 PM CDT...

AT 219 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM HENDERSONVILLE TO NOLENSVILLE TO
9 MILES SOUTHEAST OF SPRING HILL...MOVING NORTHEAST AT 75 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  LEBANON AROUND 230 PM CDT.
  WALTERHILL AND MURFREESBORO AROUND 235 PM CDT.
  WATERTOWN AROUND 245 PM CDT.

OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE AUBURNTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3589 8596 3571 8657 3571 8663 3568 8664
      3557 8702 3580 8705 3599 8693 3649 8638
TIME...MOT...LOC 1922Z 244DEG 73KT 3637 8646 3605 8657
          3567 8675

$$
STEIGERWALDT

711 
WWUS54 KOHX 041946 RRA
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
246 PM CDT MON APR 4 2011

TNC037-119-165-041956-
/O.CAN.KOHX.SV.W.0060.000000T0000Z-110404T2000Z/
MAURY TN-DAVIDSON TN-SUMNER TN-
246 PM CDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SUMNER...
SOUTHEASTERN DAVIDSON AND NORTHEASTERN MAURY COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED TO THE EAST 
OF THE AREA.

LAT...LON 3589 8596 3571 8657 3571 8663 3568 8664
      3563 8681 3569 8681 3571 8680 3570 8679
      3572 8679 3631 8634 3631 8630 3634 8629
TIME...MOT...LOC 1946Z 255DEG 59KT 3628 8611 3611 8606
          3576 8629

$$

TNC015-117-149-187-189-042000-
/O.CON.KOHX.SV.W.0060.000000T0000Z-110404T2000Z/
CANNON TN-WILLIAMSON TN-RUTHERFORD TN-MARSHALL TN-WILSON TN-
246 PM CDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WILSON...
NORTHEASTERN MARSHALL...RUTHERFORD...SOUTHEASTERN WILLIAMSON AND
NORTHERN CANNON COUNTIES UNTIL 300 PM CDT...

AT 244 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES SOUTH OF HARTSVILLE TO WATERTOWN TO 8 MILES
SOUTHEAST OF MURFREESBORO...MOVING EAST AT 70 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
MARSHALL...NORTHERN CANNON...RUTHERFORD...SOUTHEASTERN WILLIAMSON AND
WILSON COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3589 8596 3571 8657 3571 8663 3568 8664
      3563 8681 3569 8681 3571 8680 3570 8679
      3572 8679 3631 8634 3631 8630 3634 8629
TIME...MOT...LOC 1946Z 255DEG 59KT 3628 8611 3611 8606
          3576 8629

$$
STEIGERWALDT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 9:54 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Hickman, Humphreys, Perry	24 min
Apr 4, 11:24 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Montgomery, Stewart	36 min
Apr 4, 11:50 AM CDT	Tornado Warning	OHX	Montgomery, Stewart	25 min
Apr 4, 11:54 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Cheatham, Dickson, Houston, Humphreys, Montgomery and 2 more	51 min
Apr 4, 12:41 PM CDT	Tornado Warning	OHX	Montgomery, Robertson	34 min
Apr 4, 1:00 PM CDT	Severe Thunderstorm Warning	OHX	Benton	30 min
Apr 4, 1:07 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	38 min
Apr 4, 1:13 PM CDT	Tornado Warning	OHX	Benton, Humphreys	23 min
Apr 4, 1:17 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Lawrence, Lewis, Maury, Williamson	28 min
Apr 4, 1:22 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Lawrence, Lewis, Maury, Perry and 1 more	23 min
Apr 4, 1:28 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Robertson	62 min
Apr 4, 1:35 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis, Maury, Perry, Wayne	40 min
Apr 4, 1:40 PM CDT	Tornado Warning	OHX	Cheatham, Dickson, Humphreys, Montgomery	35 min
Apr 4, 1:45 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Rutherford, Sumner and 2 more	45 min
Apr 4, 1:47 PM CDT	Tornado Warning	OHX	Cheatham, Davidson, Dickson, Robertson	28 min
Apr 4, 1:53 PM CDT	Tornado Warning	OHX	Cheatham, Davidson, Robertson, Sumner	37 min
Apr 4, 1:55 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Macon, Robertson, Smith and 2 more	35 min
Apr 4, 1:56 PM CDT	Tornado Warning	OHX	Cheatham, Davidson, Dickson, Rutherford, Williamson, Wilson	34 min
Apr 4, 2:10 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Davidson, Jackson, Macon, Overton, Pickett and 4 more	65 min
Apr 4, 2:19 PM CDT	Tornado Warning	OHX	Davidson, Sumner, Trousdale, Wilson	26 min
Apr 4, 2:26 PM CDT	Tornado Warning	OHX	Cannon, Rutherford, Smith, Wilson	34 min
Apr 4, 2:27 PM CDT	Tornado Warning	OHX	Cannon, Rutherford, Williamson, Wilson	33 min
Apr 4, 2:32 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Jackson, Macon, Overton, Pickett and 4 more	43 min
Apr 4, 2:32 PM CDT	Tornado Warning	OHX	Giles, Lawrence	28 min
Apr 4, 2:44 PM CDT	Tornado Warning	OHX	Jackson, Overton, Putnam, Smith	46 min
Apr 4, 2:54 PM CDT	River Flood Warning	OHX	Bedford	21 hr
Apr 4, 2:54 PM CDT	River Flood Warning	OHX	Davidson	67 min
Apr 4, 2:54 PM CDT	River Flood Warning	OHX	Bedford	6 hr
Apr 4, 3:00 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, DeKalb, Putnam, Rutherford and 4 more	30 min
Apr 4, 3:18 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett	57 min
Apr 4, 3:24 PM CDT	Tornado Warning	OHX	Cumberland, Fentress, Overton, Putnam	36 min
Apr 4, 3:27 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, Van Buren, Warren and 1 more	48 min
Apr 4, 3:37 PM CDT	Tornado Warning	OHX	Fentress	38 min
Apr 4, 3:50 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	25 min
Apr 4, 6:25 PM CDT	River Flood Advisory	OHX	Hickman	36 hr
Apr 4, 6:25 PM CDT	River Flood Advisory	OHX	Perry	36 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.