Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 90, NWS Nashville, TN

May 2, 2011Lawrence County, Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at May 2, 2011, 5:02 PM CDT for Lawrence County, Wayne County, Tennessee. It was in force for 28 min. 3 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 2, 2011, 5:02 PM CDT (22:02 UTC)
Expired: May 2, 2011, 5:30 PM CDT
In force: 28 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Lawrence County, TN, Wayne County, TN

The radar

The Nashville radar (KOHX), 125 km from the middle of the area, began a volume at 22:03 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.

What was reported inside it

Time	Report	Where	Remark
May 2, 5:24 PM CDT	TSTM WND DMG	10 Nw Lawrenceburg, TN	LAWRENCE COUNTY 911 REPORTED TREES DONWED ON JACKS BRANCH ROAD NEAR THE NATCHEZ TRACE PARKWAY.
May 2, 5:27 PM CDT	FUNNEL CLOUD	10 Nw Lawrenceburg, TN	A FUNNEL CLOUD WAS REPORTED NEAR NAPIER.
May 2, 5:38 PM CDT	FUNNEL CLOUD	10 N Lawrenceburg, TN	A FUNNEL CLOUD WAS REPORTED 3 MILES WEST OF SUMMERTOWN NORTH ON STATE HIGHWAY 240.

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, 10.0 hours before the alert went out and 113 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.

875 
WFUS54 KOHX 022202
TOROHX
TNC099-181-022230-
/O.NEW.KOHX.TO.W.0090.110502T2202Z-110502T2230Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAWRENCE COUNTY IN MIDDLE TENNESSEE...
  EAST CENTRAL WAYNE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 530 PM CDT

* AT 501 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WAYNESBORO...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ETHRIDGE.

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 3522 8775 3541 8757 3540 8752 3542 8751
      3542 8748 3543 8747 3543 8745 3546 8744
      3545 8726 3543 8721 3531 8722 3531 8724
      3530 8724
TIME...MOT...LOC 2201Z 253DEG 44KT 3532 8765

$$
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, 5:30 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
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.