Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 93, NWS Nashville, TN

May 2, 2011Maury County, Tennessee

NWS Nashville, TN issued this tornado warning at May 2, 2011, 6:00 PM CDT for Maury County, Tennessee. It was in force for 9 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: May 2, 2011, 6:00 PM CDT (23:00 UTC)
Expired: May 2, 2011, 6:09 PM CDT
In force: 9 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Maury County, TN

The radar

The Nashville radar (KOHX), 85 km from the middle of the area, began a volume at 23:03 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.0 hours before the alert went out and 73 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.

182 
WFUS54 KOHX 022300
TOROHX
TNC119-022330-
/O.NEW.KOHX.TO.W.0093.110502T2300Z-110502T2330Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 600 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 12 MILES SOUTHWEST OF
  COLUMBIA...AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COLUMBIA AND SPRING HILL.

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 3559 8734 3583 8714 3575 8689 3550 8709
TIME...MOT...LOC 2300Z 207DEG 36KT 3556 8723

$$
31

1 follow-up statement

588 
WWUS54 KOHX 022309
SVSOHX

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

TNC119-022319-
/O.CAN.KOHX.TO.W.0093.000000T0000Z-110502T2330Z/
MAURY TN-
609 PM CDT MON MAY 2 2011

...THE TORNADO WARNING FOR MAURY COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

LAT...LON 3559 8734 3583 8714 3575 8689 3550 8709
TIME...MOT...LOC 2309Z 207DEG 36KT 3564 8718

$$
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, 6:11 PM CDT	Tornado Warning	OHX	Maury	34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.