Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 22, NWS Nashville, TN

March 23, 2011Giles County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 23, 2011, 6:59 PM CDT for Giles County, Tennessee. It was in force for 31 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: Mar 23, 2011, 6:59 PM CDT (23:59 UTC)
Expired: Mar 23, 2011, 7:30 PM CDT
In force: 31 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Giles County, TN

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 00:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 23, 4:06 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 12.0 hours before the alert went out and 98 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 999 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 319 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

734 
WFUS54 KOHX 232359
TOROHX
TNC055-240030-
/O.NEW.KOHX.TO.W.0022.110323T2359Z-110324T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
659 PM CDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GILES COUNTY IN MIDDLE TENNESSEE...

* UNTIL 730 PM CDT

* AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTHWEST OF PULASKI...AND MOVING EAST AT
  50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PULASKI AND LYNNVILLE.

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 8720 3540 8717 3538 8692 3534 8690
      3533 8690 3532 8687 3531 8686 3532 8685
      3531 8681 3519 8681 3516 8683
TIME...MOT...LOC 2359Z 278DEG 42KT 3530 8707

$$

04

1 follow-up statement

361 
WWUS54 KOHX 240013
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
713 PM CDT WED MAR 23 2011

TNC055-240030-
/O.CON.KOHX.TO.W.0022.000000T0000Z-110324T0030Z/
GILES TN-
713 PM CDT WED MAR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN GILES COUNTY
UNTIL 730 PM CDT...

AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHEAST OF PULASKI...MOVING EAST AT 50
MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN GILES 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 3522 8720 3540 8717 3538 8692 3534 8690
      3533 8690 3532 8687 3531 8686 3532 8685
      3531 8681 3519 8681 3516 8683
TIME...MOT...LOC 0013Z 278DEG 42KT 3528 8687

$$

04

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 1:45 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	15 min
Mar 23, 2:04 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, DeKalb, Putnam, White	26 min
Mar 23, 2:07 PM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	23 min
Mar 23, 2:28 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland	22 min
Mar 23, 2:47 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	13 min
Mar 23, 5:30 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Overton	60 min
Mar 23, 5:37 PM CDT	Severe Thunderstorm Warning	OHX	Trousdale, Wilson	23 min
Mar 23, 6:03 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Smith, Wilson	27 min
Mar 23, 6:11 PM CDT	Tornado Warning	OHX	DeKalb, Smith, Wilson	34 min
Mar 23, 6:15 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	30 min
Mar 23, 6:40 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	35 min
Mar 23, 6:42 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Rutherford	34 min
Mar 23, 6:44 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	16 min
Mar 23, 6:51 PM CDT	Tornado Warning	OHX	Rutherford	24 min
Mar 23, 6:52 PM CDT	Tornado Warning	OHX	DeKalb, White	23 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.