Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 12, NWS Memphis, TN

January 22, 2012Henry County, Weakley County, Tennessee

NWS Memphis, TN issued this tornado warning at Jan 22, 2012, 10:39 PM CST for Henry County, Weakley County, Tennessee. It was in force for 36 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
Jan 22, 2012, 10:39 PM CST (04:39 UTC)
Expired
Jan 22, 2012, 11:15 PM CST
In force
36 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Henry County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 80 km from the middle of the area, began a volume at 04:40 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.

IssuedProductOfficeLasted
Jan 22, 5:16 PM CSTTornado Watch PDSSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.7 hours before the alert went out and 180 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2012-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2012-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 337 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
517 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
337 m²/s²
0-3 km storm-relative helicity
371 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

146 
WFUS54 KMEG 230439
TORMEG
TNC079-183-230515-
/O.NEW.KMEG.TO.W.0012.120123T0439Z-120123T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1039 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HENRY COUNTY IN NORTHWEST TENNESSEE...
  WEAKLEY COUNTY IN NORTHWEST TENNESSEE...

* UNTIL 1115 PM CST

* AT 1039 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR DRESDEN...OR 8 MILES
  SOUTHEAST OF MARTIN...MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COTTAGE
  GROVE...DRESDEN...GREENFIELD...LATHAM...PALMERSVILLE AND SHARON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3649 8827 3611 8875 3621 8894 3651 8868
TIME...MOT...LOC 0439Z 223DEG 62KT 3632 8868

$$


WRB/RRH
3 follow-up statements
605 
WWUS54 KMEG 230448
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1048 PM CST SUN JAN 22 2012

TNC079-183-230515-
/O.CON.KMEG.TO.W.0012.000000T0000Z-120123T0515Z/
WEAKLEY TN-HENRY TN-
1048 PM CST SUN JAN 22 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR
NORTHWESTERN HENRY AND WEAKLEY COUNTIES...

AT 1048 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR MATHENY GROVE...OR 14 MILES EAST OF MARTIN...MOVING NORTHEAST AT
65 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COTTAGE
GROVE...DRESDEN...PALMERSVILLE...SHARON...BRUNDIGE...MATHENY GROVE...
ORE SPRINGS...SANDHILL...MILL CREEK...JONES MILL AND PISGAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3615 8872 3624 8885 3651 8864 3649 8827
TIME...MOT...LOC 0448Z 224DEG 57KT 3640 8858

$$


WRB/RRH
753 
WWUS54 KMEG 230454
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1054 PM CST SUN JAN 22 2012

TNC079-183-230515-
/O.CON.KMEG.TO.W.0012.000000T0000Z-120123T0515Z/
WEAKLEY TN-HENRY TN-
1054 PM CST SUN JAN 22 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR
NORTHWESTERN HENRY AND EASTERN WEAKLEY COUNTIES...

AT 1055 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR PALMERSVILLE...OR 16 MILES NORTHWEST OF PARIS...MOVING NORTHEAST
AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COTTAGE
GROVE...DRESDEN...PALMERSVILLE...BRUNDIGE...MATHENY GROVE...ORE
SPRINGS...SANDHILL...MILL CREEK AND JONES MILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3624 8882 3651 8863 3649 8827 3615 8872
TIME...MOT...LOC 0455Z 226DEG 44KT 3645 8851

$$


WRB/RRH
675 
WWUS54 KMEG 230506 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1106 PM CST SUN JAN 22 2012

TNC079-183-230517-
/O.EXP.KMEG.TO.W.0012.000000T0000Z-120123T0515Z/
WEAKLEY TN-HENRY TN-
1106 PM CST SUN JAN 22 2012

...THE TORNADO WARNING FOR NORTHWESTERN HENRY AND EASTERN WEAKLEY
COUNTIES WILL EXPIRE AT 1115 PM CST...

AT 1107 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3624 8882 3651 8863 3649 8827 3615 8872
TIME...MOT...LOC 0507Z 226DEG 44KT 3655 8838

$$

RRH/WRB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 9:20 PM CSTSevere Thunderstorm WarningMEGDyer, Lauderdale, Shelby, Tipton55 min
Jan 22, 9:23 PM CSTSevere Thunderstorm WarningMEGDyer, Lake, Obion52 min
Jan 22, 9:33 PM CSTSevere Thunderstorm WarningMEGCrockett, Dyer, Haywood, Lauderdale27 min
Jan 22, 9:42 PM CSTSevere Thunderstorm WarningMEGDyer, Gibson, Obion, Weakley33 min
Jan 22, 9:47 PM CSTTornado WarningMEGCrockett, Gibson, Haywood43 min
Jan 22, 9:55 PM CSTTornado WarningMEGShelby22 min
Jan 22, 10:08 PM CSTTornado WarningMEGGibson, Obion, Weakley37 min
Jan 22, 10:10 PM CSTTornado WarningMEGShelby35 min
Jan 22, 10:14 PM CSTSevere Thunderstorm WarningMEGCrockett, Haywood, Lauderdale, Shelby, Tipton46 min
Jan 22, 10:27 PM CSTTornado WarningMEGFayette, Shelby48 min
Jan 22, 10:47 PM CSTSevere Thunderstorm WarningMEGCrockett, Gibson, Haywood, Madison, Tipton43 min
Jan 22, 11:10 PM CSTSevere Thunderstorm WarningMEGChester, Fayette, Hardeman, Haywood, McNairy, Madison45 min
Jan 22, 11:14 PM CSTSevere Thunderstorm WarningMEGHardeman46 min
Jan 22, 11:22 PM CSTSevere Thunderstorm WarningMEGCarroll, Chester, Crockett, Decatur, Gibson, Haywood and 2 more53 min
Jan 22, 11:27 PM CSTSevere Thunderstorm WarningMEGDecatur, Hardin, McNairy48 min
Jan 22, 11:40 PM CSTTornado WarningMEGHardin, McNairy33 min
Jan 22, 11:46 PM CSTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy44 min

Nearby

Tornado Warnings in Tennessee, 2012Every tornado warning in 2012Tornadoes in 2012

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.