Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 25, NWS Memphis, TN

April 14, 20184 counties in Mississippi

NWS Memphis, TN issued this tornado warning at Apr 14, 2018, 4:46 AM CDT for 4 counties in Mississippi. It was in force for 29 min. 3 reports 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: Apr 14, 2018, 4:46 AM CDT (09:46 UTC)
Expired: Apr 14, 2018, 5:15 AM CDT
In force: 29 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Benton County, MS, Lafayette County, MS, Marshall County, MS, Union County, MS

The radar

The Memphis radar (KNQA), 108 km from the middle of the area, began a volume at 09:48 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
Apr 14, 4:48 AM CDT	TORNADO	5 Sse Abbeville, MS	THE TORNADO DAMAGED THE ROOFS OF SEVERAL HOMES AND FARM BUILDINGS AND DESTROYED 3 SMALLER OUTBUILDINGS. AFTER CROSSING CR 215...THE TORNADO CAUSED EF1 DAMAGE TO A RESIDENCE AND UPROOTED SEVERAL TREES. THE TORNADO DISSIPATED ROUGHLY 1/4 MILE EAST OF CR 215.
Apr 14, 4:49 AM CDT	TORNADO	4 Ene Oxford, MS	AN EF0 TORNADO MOVED ALONG HIGHWAY 30 TO THE NORTH AND EAST OF OXFORD. THIS TORNADO UPROOTED SEVERAL TREES AND CAUSED MINOR ROOF DAMAGE TO HOMES ALONG HIGHWAY 30.
Apr 14, 4:51 AM CDT	TSTM WND DMG	3 E Oxford, MS	SEVERAL TREES DOWN ON HIGHWAY 30 BETWEEN COUNTY ROAD 215 AND COUNTY ROAD 225 EAST OF OXFORD.

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
Apr 13, 10:12 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 9.8 hours before the alert went out and 67 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: 1321 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 449 m²/s²
0-3 km storm-relative helicity: 495 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 17.1

Open this sounding in Storm Lab

The text

As transmitted.

156 
WFUS54 KMEG 140946
TORMEG
MSC009-071-093-145-141015-
/O.NEW.KMEG.TO.W.0025.180414T0946Z-180414T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
446 AM CDT SAT APR 14 2018

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northeastern Lafayette County in northwestern Mississippi...
  Northwestern Union County in northeastern Mississippi...
  Southeastern Marshall County in northwestern Mississippi...
  Southeastern Benton County in northeastern Mississippi...

* Until 515 AM CDT
    
* At 446 AM CDT, a severe thunderstorm producing a tornado was
  located near Cambridge, or near Oxford, moving northeast at 55 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Oxford, Bethlehem, Cambridge, Pinedale, Etta, Hickory Flat, Myrtle,
  Abbeville, Keel, Winborn, Poolville, Old Myrtle, Burt, College Hill
  Station and Cornersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3433 8954 3453 8952 3472 8909 3444 8909
TIME...MOT...LOC 0946Z 240DEG 49KT 3445 8948 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

1 follow-up statement

824 
WWUS54 KMEG 141003
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
503 AM CDT SAT APR 14 2018

MSC009-071-093-145-141015-
/O.CON.KMEG.TO.W.0025.000000T0000Z-180414T1015Z/
Lafayette MS-Union MS-Marshall MS-Benton MS-
503 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHEASTERN LAFAYETTE...NORTHWESTERN UNION...SOUTHEASTERN MARSHALL
AND SOUTHEASTERN BENTON COUNTIES...
    
At 503 AM CDT, a severe thunderstorm producing a tornado was located
near Bethlehem, or 13 miles northwest of New Albany, moving northeast
at 55 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Bethlehem, Etta, Hickory Flat, Myrtle, Winborn, Poolville, Old
Myrtle, Cornersville and Burt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3441 8935 3460 8936 3472 8909 3444 8909
TIME...MOT...LOC 1003Z 240DEG 49KT 3457 8924 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 2:02 AM CDT	Special Weather Statement	MEG	DeSoto, Tunica	43 min
Apr 14, 3:09 AM CDT	Flash Flood Warning	MEG	Coahoma, Tate, Tunica	3 hr
Apr 14, 3:11 AM CDT	Special Weather Statement	MEG	DeSoto	49 min
Apr 14, 4:14 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall	46 min
Apr 14, 4:27 AM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 2 more	3 hr
Apr 14, 4:54 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Tippah	51 min
Apr 14, 5:08 AM CDT	Tornado Warning	MEG	Benton, Tippah, Union	37 min
Apr 14, 5:17 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Pontotoc, Union and 1 more	43 min
Apr 14, 5:26 AM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Tippah, Tishomingo	64 min
Apr 14, 5:39 AM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tippah, Tishomingo, Union	66 min
Apr 14, 5:44 AM CDT	Tornado Warning	MEG	Alcorn, Prentiss, Tippah	18 min
Apr 14, 5:47 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo, Union	58 min
Apr 14, 5:53 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Pontotoc, Yalobusha	67 min
Apr 14, 6:28 AM CDT	Severe Thunderstorm Warning	MEG	Tishomingo	32 min
Apr 14, 6:35 AM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Lafayette, Pontotoc, Union, Yalobusha	6 hr
Apr 14, 6:39 AM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Monroe, Prentiss, Tishomingo	51 min
Apr 14, 9:59 AM CDT	Special Weather Statement	MEG	Monroe	61 min
Apr 14, 10:20 AM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Itawamba, Lee, Monroe	4 hr
Apr 14, 11:00 AM CDT	Special Weather Statement	MEG	Monroe	30 min

Nearby

Tornado Warnings in Mississippi, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.