Alert archive / Tennessee / Tornado Warnings in 2014

Tornado Warning 29, NWS Memphis, TN

April 28, 20144 counties in Tennessee

NWS Memphis, TN issued this tornado warning at Apr 28, 2014, 6:50 AM CDT for 4 counties in Tennessee. It was in force for 40 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: Apr 28, 2014, 6:50 AM CDT (11:50 UTC)
Expired: Apr 28, 2014, 7:30 AM CDT
In force: 40 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Fayette County, TN, Haywood County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 36 km from the middle of the area, began a volume at 11:53 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
Apr 28, 1:43 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 11.8 hours before the alert went out and 82 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: 2449 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 480 m²/s²
0-3 km storm-relative helicity: 618 m²/s²
Significant tornado parameter: 8.8
Supercell composite: 40.3

Open this sounding in Storm Lab

The text

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

907 
WFUS54 KMEG 281150
TORMEG
TNC047-075-157-167-281230-
/O.NEW.KMEG.TO.W.0029.140428T1150Z-140428T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
650 AM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHWESTERN HAYWOOD COUNTY IN SOUTHWEST TENNESSEE...
  NORTHEASTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHEASTERN TIPTON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 730 AM CDT

* AT 650 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR DIXONVILLE...OR 12
  MILES EAST OF MILLINGTON...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
  OF NORTHEASTERN SHELBY...NORTHWESTERN FAYETTE...SOUTHEASTERN TIPTON
  AND SOUTHWESTERN HAYWOOD COUNTIES.

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.

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

&&

LAT...LON 3562 8936 3541 8922 3526 8974 3543 8983
TIME...MOT...LOC 1150Z 247DEG 29KT 3538 8968

$$

1 follow-up statement

569 
WWUS54 KMEG 281205
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
705 AM CDT MON APR 28 2014

TNC047-075-157-167-281213-
/O.CAN.KMEG.TO.W.0029.000000T0000Z-140428T1230Z/
SHELBY TN-FAYETTE TN-HAYWOOD TN-TIPTON TN-
705 AM CDT MON APR 28 2014

...THE TORNADO WARNING FOR SOUTHEASTERN TIPTON...SOUTHWESTERN
HAYWOOD...NORTHWESTERN FAYETTE AND NORTHEASTERN SHELBY COUNTIES IS
CANCELLED...

AT 703 AM CDT...WEATHER SERVICE DOPPLER RADAR NO LONGER INDICATES A 
TORNADO. THEREFORE...THE TORNADO WARNING IS CANCELLED.

.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.

LAT...LON 3562 8936 3541 8922 3526 8974 3543 8983
TIME...MOT...LOC 1203Z 247DEG 29KT 3542 8956

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 2:33 AM CDT	Flash Flood Warning	MEG	Lake	6 hr
Apr 28, 2:36 AM CDT	Severe Thunderstorm Warning	MEG	Lake	24 min
Apr 28, 3:43 AM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lake, Obion	47 min
Apr 28, 4:41 AM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Obion, Weakley	49 min
Apr 28, 6:33 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Haywood, Lauderdale, Shelby, Tipton	42 min
Apr 28, 7:02 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Shelby	43 min
Apr 28, 7:25 AM CDT	Flash Flood Warning	MEG	Shelby, Tipton	3 hr
Apr 28, 7:53 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Carroll, Decatur, Gibson, Henderson, Henry and 2 more	52 min
Apr 28, 9:39 AM CDT	Flash Flood Warning	MEG	Benton, Decatur, Henderson	4 hr
Apr 28, 9:54 AM CDT	Special Weather Statement	MEG	Shelby	36 min
Apr 28, 10:42 AM CDT	River Flood Warning	MEG	Obion, Weakley	22 hr
Apr 28, 10:50 AM CDT	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	56 hr
Apr 28, 11:08 AM CDT	Special Weather Statement	MEG	Obion	37 min

Nearby

Tornado Warnings in Tennessee, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.