Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 88, NWS Nashville, TN

May 2, 2011Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at May 2, 2011, 4:22 PM CDT for Wayne County, Tennessee. It was in force for 23 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, 4:22 PM CDT (21:22 UTC)
Expired: May 2, 2011, 4:45 PM CDT
In force: 23 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Wayne County, TN

The radar

The Nashville radar (KOHX), 156 km from the middle of the area, began a volume at 21:25 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, 9.4 hours before the alert went out and 145 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.

984 
WFUS54 KOHX 022122
TOROHX
TNC181-022145-
/O.NEW.KOHX.TO.W.0088.110502T2122Z-110502T2145Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 445 PM CDT

* AT 422 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES NORTH OF WALNUT GROVE...OR 13 MILES EAST
  OF SAVANNAH...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO AND COLLINWOOD.

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 3531 8799 3551 8775 3541 8758 3512 8761
      3504 8799
TIME...MOT...LOC 2122Z 246DEG 39KT 3516 8801

$$
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, 4:34 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
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.