Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 52, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Sep 1, 2012, 6:44 PM CDT for Dyer County, Lake County, Obion County, Tennessee; Pemiscot County, Missouri. It was in force for 46 min. 1 report 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
- Sep 1, 2012, 6:44 PM CDT (23:44 UTC)
- Expired
- Sep 1, 2012, 7:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Pemiscot County, MO, Dyer County, TN, Lake County, TN, Obion County, TN
The radar
The Memphis radar (KNQA), 110 km from the middle of the area, began a volume at 23:46 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 |
|---|---|---|---|
| Sep 1, 7:02 PM CDT | TORNADO | 6 N Caruthersville, MO | BRIEF TORNADO TOUCHDOWN HIGHWAY 79 AND GREAT RIVER ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 1, 3:49 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.7 hours before the alert went out and 167 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.
- Mixed-layer CAPE
- 1827 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
774
WFUS54 KMEG 012344
TORMEG
MOC155-TNC045-095-131-020030-
/O.NEW.KMEG.TO.W.0052.120901T2344Z-120902T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
644 PM CDT SAT SEP 1 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN DYER COUNTY IN NORTHWEST TENNESSEE...
LAKE COUNTY IN NORTHWEST TENNESSEE...
WESTERN OBION COUNTY IN NORTHWEST TENNESSEE...
NORTHERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 730 PM CDT
* AT 644 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR SHADE...OR NEAR
HAYTI...MOVING EAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CARUTHERSVILLE...HAYTI...HAYTI HEIGHTS...CLOVERDALE...COTTONWOOD
GROVE...MISTON...RIDGELY...TIPTONVILLE...STEWART...STANLEY...
SWIFT...BRAGGADOCIO...SHADE AND STUBTOWN.
THIS WARNING ALSO INCLUDES AREAS NEAR REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE DESTRUCTIVE
STRAIGHT LINE WINDS.
.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 3616 8917 3615 8984 3622 8986 3624 8991
3629 8992 3639 8958 3635 8955 3635 8953
3638 8952 3641 8953 3649 8927
TIME...MOT...LOC 2344Z 260DEG 31KT 3620 8976
$$3 follow-up statements
495
WWUS54 KMEG 012355
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
655 PM CDT SAT SEP 1 2012
MOC155-TNC045-095-131-020030-
/O.CON.KMEG.TO.W.0052.000000T0000Z-120902T0030Z/
PEMISCOT MO-DYER TN-LAKE TN-OBION TN-
655 PM CDT SAT SEP 1 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR WESTERN
OBION...LAKE...NORTHEASTERN DYER AND NORTHEASTERN PEMISCOT
COUNTIES...
AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HAYTI...MOVING
EAST AT 30 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CARUTHERSVILLE...HAYTI...HAYTI HEIGHTS...CLOVERDALE...COTTONWOOD
GROVE...HORNBEAK...RIDGELY...SAMBURG...TIPTONVILLE...TRIMBLE...
STEWART...STANLEY...SWIFT AND GRAYS CAMP.
THIS WARNING ALSO INCLUDES AREAS NEAR REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.
&&
LAT...LON 3616 8917 3618 8976 3623 8981 3628 8980
3632 8980 3639 8958 3635 8955 3635 8953
3638 8952 3641 8953 3649 8927
TIME...MOT...LOC 2355Z 258DEG 26KT 3622 8967
$$397
WWUS54 KMEG 020013
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
713 PM CDT SAT SEP 1 2012
MOC155-TNC045-095-131-020030-
/O.CON.KMEG.TO.W.0052.000000T0000Z-120902T0030Z/
PEMISCOT MO-DYER TN-LAKE TN-OBION TN-
713 PM CDT SAT SEP 1 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR WESTERN
OBION...LAKE...NORTHEASTERN DYER AND NORTHEASTERN PEMISCOT
COUNTIES...
AT 713 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR COTTONWOOD
GROVE...OR 8 MILES NORTHEAST OF CARUTHERSVILLE...MOVING EAST AT 30
MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CLOVERDALE...
COTTONWOOD GROVE...HORNBEAK...RIDGELY...SAMBURG...TIPTONVILLE...
TRIMBLE...STEWART...STANLEY...GRAYS CAMP...WRIGHT...PROCTOR CITY...
BLUE BANK AND SUNKIST BEACH.
THIS WARNING ALSO INCLUDES AREAS NEAR REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.
&&
LAT...LON 3616 8917 3619 8955 3628 8969 3633 8971
3635 8971 3639 8958 3635 8955 3635 8953
3638 8952 3641 8953 3649 8927
TIME...MOT...LOC 0013Z 258DEG 26KT 3625 8951
$$803
WWUS54 KMEG 020022
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
722 PM CDT SAT SEP 1 2012
MOC155-TNC045-095-131-020032-
/O.EXP.KMEG.TO.W.0052.000000T0000Z-120902T0030Z/
PEMISCOT MO-DYER TN-LAKE TN-OBION TN-
722 PM CDT SAT SEP 1 2012
...THE TORNADO WARNING FOR WESTERN OBION...LAKE...NORTHEASTERN DYER
AND NORTHEASTERN PEMISCOT COUNTIES WILL EXPIRE AT 730 PM CDT...
AT 722 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED...AND NO
LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3616 8917 3619 8955 3628 8969 3633 8971
3635 8971 3639 8958 3635 8955 3635 8953
3638 8952 3641 8953 3649 8927
TIME...MOT...LOC 0022Z 258DEG 26KT 3626 8943
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:47 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 43 min |
| Aug 31, 9:03 PM CDT | Special Weather Statement | MEG | Lauderdale | 42 min |
| Aug 31, 9:23 PM CDT | Special Weather Statement | MEG | Shelby | 22 min |
| Sep 1, 5:57 PM CDT | Tornado Warning | MEG | Lake | 48 min |
| Sep 1, 6:11 PM CDT | Severe Thunderstorm Warning | MEG | Shelby, Tipton | 49 min |
| Sep 1, 6:28 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 47 min |
| Sep 1, 6:46 PM CDT | Severe Thunderstorm Warning | MEG | Haywood, Lauderdale, Tipton | 44 min |
| Sep 1, 4:19 PM CDT | Tornado Warning | MEG | Dunklin | 26 min |
| Sep 1, 4:47 PM CDT | Tornado Warning | MEG | Dunklin | 28 min |
| Sep 1, 4:55 PM CDT | Tornado Warning | MEG | Dunklin | 35 min |
| Sep 1, 5:15 PM CDT | Tornado Warning | MEG | Dunklin, Pemiscot | 25 min |
Nearby
Tornado Warnings in Tennessee, 2012Tornado Warnings in Missouri, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.