Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 41, NWS Jackson, MS

April 14, 2018Humphreys County, Leflore County, Sunflower County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 14, 2018, 4:49 AM CDT for Humphreys County, Leflore County, Sunflower County, Mississippi. It was in force for 46 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 14, 2018, 4:49 AM CDT (09:49 UTC)
Expired: Apr 14, 2018, 5:35 AM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Humphreys County, MS, Leflore County, MS, Sunflower County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 133 km from the middle of the area, began a volume at 09:50 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 13, 10:12 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.8 hours before the alert went out and 126 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: 92 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1418 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

645 
WFUS54 KJAN 140949
TORJAN
MSC053-083-133-141045-
/O.NEW.KJAN.TO.W.0041.180414T0949Z-180414T1045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
449 AM CDT SAT APR 14 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southern Sunflower County in northwestern Mississippi...
  Central Leflore County in north central Mississippi...
  Northwestern Humphreys County in central Mississippi...

* Until 545 AM CDT
    
* At 449 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Isola, or 10 miles northwest of Belzoni, 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. 

* This dangerous storm will be near...
  Inverness around 455 AM CDT. 
  Moorhead and Swiftown around 505 AM CDT. 
  Itta Bena and Quito around 515 AM CDT. 
  Sidon around 520 AM CDT. 
  Greenwood around 525 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Morgan
City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3366 9011 3362 9011 3361 9012 3360 9010
      3346 9010 3346 9013 3342 9017 3337 9032
      3332 9035 3313 9067 3320 9068 3322 9071
      3326 9073 3327 9072 3335 9073 3349 9056
      3368 9014
TIME...MOT...LOC 0949Z 236DEG 47KT 3326 9064 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

4 follow-up statements

330 
WWUS54 KJAN 141000
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
500 AM CDT SAT APR 14 2018

MSC053-141010-
/O.CAN.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Humphreys MS-
500 AM CDT SAT APR 14 2018

...THE TORNADO WARNING FOR NORTHWESTERN HUMPHREYS COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 600 AM CDT for central, north
central and northwestern Mississippi.

LAT...LON 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3337 9032 3333 9045
      3333 9056 3343 9060 3349 9056 3368 9014
TIME...MOT...LOC 1000Z 233DEG 47KT 3336 9050 

$$

MSC083-133-141045-
/O.CON.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Sunflower MS-Leflore MS-
500 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
SOUTHEASTERN SUNFLOWER AND CENTRAL LEFLORE COUNTIES...
    
At 500 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Inverness, or near Moorhead, 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. 

This dangerous storm will be near...
  Itta Bena and Quito around 515 AM CDT. 
  Greenwood around 525 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Morgan
City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3337 9032 3333 9045
      3333 9056 3343 9060 3349 9056 3368 9014
TIME...MOT...LOC 1000Z 233DEG 47KT 3336 9050 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

171 
WWUS54 KJAN 141006
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
506 AM CDT SAT APR 14 2018

MSC133-141016-
/O.CAN.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Sunflower MS-
506 AM CDT SAT APR 14 2018

...THE TORNADO WARNING FOR SOUTHEASTERN SUNFLOWER COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 600 AM CDT for central and
north central Mississippi.

LAT...LON 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3333 9045 3354 9045
      3368 9014
TIME...MOT...LOC 1006Z 236DEG 47KT 3341 9042 

$$

MSC083-141045-
/O.CON.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Leflore MS-
506 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR CENTRAL
LEFLORE COUNTY...
    
At 506 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Moorhead, 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. 

This dangerous storm will be near...
  Itta Bena, Sidon and Quito around 515 AM CDT. 
  Greenwood around 525 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Morgan
City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3333 9045 3354 9045
      3368 9014
TIME...MOT...LOC 1006Z 236DEG 47KT 3341 9042 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

403 
WWUS54 KJAN 141016
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
516 AM CDT SAT APR 14 2018

MSC083-141045-
/O.CON.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Leflore MS-
516 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR EAST
CENTRAL LEFLORE COUNTY...
    
At 516 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Greenwood, 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. 

This tornadic thunderstorm will remain over mainly rural areas of
east central Leflore County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3337 9034 3361 9030
      3368 9014
TIME...MOT...LOC 1016Z 235DEG 47KT 3354 9023 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

983 
WWUS54 KJAN 141035
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
535 AM CDT SAT APR 14 2018

MSC083-141044-
/O.CAN.KJAN.TO.W.0041.000000T0000Z-180414T1045Z/
Leflore MS-
535 AM CDT SAT APR 14 2018

...THE TORNADO WARNING FOR EAST CENTRAL LEFLORE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 600 AM CDT for north central
Mississippi.

LAT...LON 3366 9011 3361 9012 3360 9010 3346 9010
      3346 9013 3342 9017 3337 9034 3361 9030
      3368 9014
TIME...MOT...LOC 1033Z 236DEG 47KT 3368 8999 

$$

CME

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 10:43 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	36 min
Apr 13, 10:49 PM CDT	Tornado Warning	JAN	Washington	56 min
Apr 13, 11:11 PM CDT	Special Weather Statement	JAN	Washington	49 min
Apr 13, 11:29 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	46 min
Apr 14, 12:01 AM CDT	Special Weather Statement	JAN	Sunflower	29 min
Apr 14, 3:45 AM CDT	Tornado Warning	JAN	Bolivar	60 min
Apr 14, 3:49 AM CDT	Tornado Warning	JAN	Washington	41 min
Apr 14, 4:06 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	39 min
Apr 14, 4:16 AM CDT	Tornado Warning	JAN	Issaquena, Sharkey, Washington	44 min
Apr 14, 4:21 AM CDT	Tornado Warning	JAN	Leflore, Sunflower	54 min
Apr 14, 5:13 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore, Montgomery	77 min
Apr 14, 6:12 AM CDT	Special Weather Statement	JAN	Warren	33 min
Apr 14, 6:44 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	61 min
Apr 14, 6:53 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Yazoo	52 min
Apr 14, 7:07 AM CDT	Tornado Warning	JAN	Hinds, Madison	53 min
Apr 14, 7:10 AM CDT	Special Weather Statement	JAN	Copiah	50 min
Apr 14, 7:27 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Franklin, Lincoln	44 min
Apr 14, 7:43 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin	62 min
Apr 14, 7:47 AM CDT	Tornado Warning	JAN	Rankin	43 min
Apr 14, 8:24 AM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	51 min
Apr 14, 8:28 AM CDT	Severe Thunderstorm Warning	JAN	Leake, Scott, Smith	62 min
Apr 14, 8:28 AM CDT	Tornado Warning	JAN	Rankin, Simpson, Smith	17 min
Apr 14, 8:33 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lawrence	57 min
Apr 14, 9:07 AM CDT	Severe Thunderstorm Warning	JAN	Marion	68 min
Apr 14, 9:11 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	79 min
Apr 14, 9:16 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Jones	89 min
Apr 14, 9:16 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Neshoba, Oktibbeha, Winston	59 min
Apr 14, 9:35 AM CDT	Special Weather Statement	JAN	Neshoba, Newton	55 min
Apr 14, 9:52 AM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Noxubee, Oktibbeha	68 min
Apr 14, 9:53 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	97 min
Apr 14, 9:54 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar, Marion	81 min
Apr 14, 10:03 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Neshoba, Noxubee	57 min
Apr 14, 10:06 AM CDT	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	54 min
Apr 14, 10:10 AM CDT	Tornado Warning	JAN	Forrest, Lamar	65 min
Apr 14, 10:40 AM CDT	Severe Thunderstorm Warning	JAN	Jones	65 min
Apr 14, 10:49 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	56 min
Apr 14, 10:51 AM CDT	Tornado Warning	JAN	Lowndes	24 min
Apr 14, 11:00 AM CDT	Tornado Warning	JAN	Kemper, Lauderdale	45 min
Apr 14, 11:22 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	53 min
Apr 14, 11:24 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee	32 min
Apr 14, 11:51 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	39 min
Apr 14, 12:10 PM CDT	Tornado Warning	JAN	Forrest	20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.