Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 207, NWS Nashville, TN

May 25, 20115 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 25, 2011, 10:16 PM CDT for 5 counties in Tennessee. It was in force for 29 min. 2 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: May 25, 2011, 10:16 PM CDT (03:16 UTC)
Expired: May 25, 2011, 10:45 PM CDT
In force: 29 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Dickson County, TN, Hickman County, TN, Humphreys County, TN, Lewis County, TN, Perry County, TN

The radar

The Nashville radar (KOHX), 98 km from the middle of the area, began a volume at 03:16 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
May 25, 10:42 PM CDT	TSTM WND DMG	5 E Linden, TN	NUMEROUS TREES AND POWERLINES WERE BLOWN DOWN.
May 25, 10:50 PM CDT	TSTM WND DMG	Centerville, TN	TREES DOWN IN CITY.

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
May 25, 8:33 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.3 hours before the alert went out and 90 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: 1870 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 14.1

Open this sounding in Storm Lab

The text

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

092 
WUUS54 KOHX 260316
SVROHX
TNC043-081-085-101-135-260345-
/O.NEW.KOHX.SV.W.0207.110526T0316Z-110526T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1016 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HICKMAN COUNTY IN MIDDLE TENNESSEE...
  EASTERN PERRY COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN DICKSON COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN LEWIS COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN HUMPHREYS COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1045 PM CDT

* AT 1016 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THE STORM WAS NEAR LINDEN...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CENTERVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM THURSDAY MORNING FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3601 8789 3612 8759 3598 8756 3604 8743
      3571 8725 3570 8726 3570 8730 3566 8733
      3554 8784
TIME...MOT...LOC 0316Z 233DEG 48KT 3571 8779

$$

FORECASTER: 31

2 follow-up statements

854 
WWUS54 KOHX 260326
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1026 PM CDT WED MAY 25 2011

TNC043-081-085-101-135-260345-
/O.CON.KOHX.SV.W.0207.000000T0000Z-110526T0345Z/
HICKMAN TN-PERRY TN-DICKSON TN-LEWIS TN-HUMPHREYS TN-
1026 PM CDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
HUMPHREYS...NORTHWESTERN LEWIS...SOUTHWESTERN DICKSON...EASTERN PERRY
AND HICKMAN COUNTIES UNTIL 1045 PM CDT...

AT 1026 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 13 MILES WEST OF CENTERVILLE...MOVING
NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  CENTERVILLE.

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 3600 8775 3612 8759 3598 8756 3604 8743
      3571 8725 3570 8730 3566 8733 3554 8784
      3587 8786
TIME...MOT...LOC 0326Z 233DEG 48KT 3579 8766

$$
31

801 
WWUS54 KOHX 260333
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1033 PM CDT WED MAY 25 2011

TNC085-260343-
/O.CAN.KOHX.SV.W.0207.000000T0000Z-110526T0345Z/
HUMPHREYS TN-
1033 PM CDT WED MAY 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUMPHREYS COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3574 8784 3600 8749 3599 8741 3571 8726
      3570 8730 3566 8733 3554 8784
TIME...MOT...LOC 0333Z 222DEG 49KT 3587 8759

$$

TNC081-101-135-260345-
/O.CON.KOHX.SV.W.0207.000000T0000Z-110526T0345Z/
HICKMAN TN-PERRY TN-LEWIS TN-
1033 PM CDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
LEWIS...EASTERN PERRY AND HICKMAN COUNTIES UNTIL 1045 PM CDT...

AT 1033 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 10 MILES WEST OF CENTERVILLE...MOVING
NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  CENTERVILLE.

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 3574 8784 3600 8749 3599 8741 3571 8726
      3570 8730 3566 8733 3554 8784
TIME...MOT...LOC 0333Z 222DEG 49KT 3587 8759

$$
31

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 9:02 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	28 min
May 25, 9:08 PM CDT	Severe Thunderstorm Warning	OHX	Benton	37 min
May 25, 9:20 PM CDT	Tornado Warning	OHX	Stewart	25 min
May 25, 9:33 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	42 min
May 25, 9:55 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Stewart	35 min
May 25, 9:57 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Lewis, Perry	33 min
May 25, 10:27 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Montgomery, Robertson and 1 more	33 min
May 25, 10:30 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury, Perry, Williamson	30 min
May 25, 10:46 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry, Wayne	46 min
May 25, 10:48 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner	27 min
May 25, 11:00 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Maury, Sumner and 2 more	45 min
May 25, 11:05 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Perry	25 min
May 25, 11:11 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Macon, Sumner, Trousdale	34 min
May 25, 11:14 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Maury, Wayne	31 min
May 25, 11:21 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	24 min
May 25, 11:38 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Marshall, Maury, Rutherford, Williamson	22 min
May 25, 11:38 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Macon, Sumner, Trousdale, Williamson and 1 more	37 min
May 25, 11:43 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Maury, Williamson, Wilson	47 min
May 25, 11:46 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Marshall, Maury	29 min
May 25, 11:50 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall	25 min
May 25, 11:55 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Rutherford, Williamson	30 min
May 26, 12:09 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Marshall, Rutherford	36 min
May 26, 12:11 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Davidson, Jackson, Macon, Rutherford, Smith and 4 more	34 min
May 26, 12:34 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford	26 min
May 26, 12:42 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith, Trousdale, Wilson	33 min
May 26, 12:58 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, DeKalb, Grundy, Warren, White	32 min
May 26, 1:17 AM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	28 min
May 26, 1:37 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett, Putnam	38 min
May 26, 8:38 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	27 min
May 26, 8:51 AM CDT	Tornado Warning	OHX	Coffee	24 min
May 26, 9:03 AM CDT	Severe Thunderstorm Warning	OHX	Coffee, Warren	27 min
May 26, 9:11 AM CDT	Tornado Warning	OHX	Coffee, Warren	34 min
May 26, 1:39 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Macon, Trousdale	36 min

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.