Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 94, NWS Nashville, TN

May 2, 2011Maury County, Tennessee

NWS Nashville, TN issued this tornado warning at May 2, 2011, 6:11 PM CDT for Maury County, Tennessee. It was in force for 34 min. 1 report 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 2, 2011, 6:11 PM CDT (23:11 UTC)
Expired: May 2, 2011, 6:45 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Maury County, TN

The radar

The Nashville radar (KOHX), 79 km from the middle of the area, began a volume at 23:13 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 2, 6:14 PM CDT	FUNNEL CLOUD	10 Sw Columbia, TN	A FUNNEL CLOUD WAS REPORTED NEAR WORKMAN BRIDGE IN MOUNT PLEASANT.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.2 hours before the alert went out and 66 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: 508 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

484 
WFUS54 KOHX 022311
TOROHX
TNC119-022345-
/O.NEW.KOHX.TO.W.0094.110502T2311Z-110502T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
611 PM CDT MON MAY 2 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MAURY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 645 PM CDT

* AT 611 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS         
  DANGEROUS STORM WAS LOCATED NEAR MOUNT PLEASANT...OR 10 MILES      
  SOUTHWEST OF COLUMBIA...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COLUMBIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3561 8724 3574 8684 3573 8682 3565 8681
      3558 8682 3556 8684 3545 8716
TIME...MOT...LOC 2311Z 252DEG 36KT 3554 8716

$$
31

2 follow-up statements

709 
WWUS54 KOHX 022324
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
624 PM CDT MON MAY 2 2011

TNC119-022345-
/O.CON.KOHX.TO.W.0094.000000T0000Z-110502T2345Z/
MAURY TN-
624 PM CDT MON MAY 2 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL MAURY COUNTY UNTIL
645 PM CDT...

AT 624 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR COLUMBIA...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL MAURY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3556 8702 3565 8713 3565 8712 3574 8684
      3573 8682 3569 8682
TIME...MOT...LOC 2324Z 224DEG 34KT 3561 8703

$$
31

387 
WWUS54 KOHX 022337
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
637 PM CDT MON MAY 2 2011

TNC119-022347-
/O.EXP.KOHX.TO.W.0094.000000T0000Z-110502T2345Z/
MAURY TN-
637 PM CDT MON MAY 2 2011

...THE TORNADO WARNING FOR CENTRAL MAURY COUNTY WILL EXPIRE AT 645 PM
CDT...

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

LAT...LON 3556 8702 3565 8713 3565 8712 3574 8684
      3573 8682 3569 8682
TIME...MOT...LOC 2337Z 224DEG 34KT 3570 8692

$$
31

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 9:01 PM CDT	River Flood Advisory	OHX	Hickman	7 hr
May 2, 3:54 PM CDT	Severe Thunderstorm Warning	OHX	Perry, Wayne	36 min
May 2, 4:22 PM CDT	Tornado Warning	OHX	Wayne	23 min
May 2, 4:34 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Perry, Wayne	26 min
May 2, 4:42 PM CDT	Tornado Warning	OHX	Lewis, Wayne	33 min
May 2, 4:58 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury, Perry	32 min
May 2, 5:02 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	28 min
May 2, 5:30 PM CDT	Tornado Warning	OHX	Lawrence, Lewis, Maury	30 min
May 2, 5:48 PM CDT	Tornado Warning	OHX	Maury, Williamson	27 min
May 2, 6:00 PM CDT	Tornado Warning	OHX	Maury	9 min

Nearby

Tornado Warnings in Tennessee, 2011 Every tornado warning in 2011 Tornadoes 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.