Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 40, NWS Jackson, MS

April 14, 2018Leflore County, Sunflower County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 14, 2018, 4:21 AM CDT for Leflore County, Sunflower County, Mississippi. It was in force for 54 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
Apr 14, 2018, 4:21 AM CDT (09:21 UTC)
Expired
Apr 14, 2018, 5:15 AM CDT
In force
54 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Leflore County, MS, Sunflower County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 163 km from the middle of the area, began a volume at 09:22 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

TimeReportWhereRemark
Apr 14, 4:39 AM CDTTSTM WND DMG3 Sw Sunflower, MSA FEW UTILITY POLES WERE SNAPPED ALONG US 49 BETWEEN INDIANOLA AND SUNFLOWER.

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.

IssuedProductOfficeLasted
Apr 13, 10:12 PM CDTTornado WatchSPC10 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 9.4 hours before the alert went out and 132 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, Little Rock, AR at 00:00Z on 2018-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1321 joules per kilogram.LCLLFCEL10008507005003002001001 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, Little Rock, AR at 00:00Z on 2018-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 449 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
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.

698 
WFUS54 KJAN 140921
TORJAN
MSC083-133-141015-
/O.NEW.KJAN.TO.W.0040.180414T0921Z-180414T1015Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Central Sunflower County in northwestern Mississippi...
  Northern Leflore County in north central Mississippi...

* Until 515 AM CDT
    
* At 421 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Shaw, moving northeast at 45 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...
  Ruleville and Blaine around 445 AM CDT. 
  Drew around 455 AM CDT. 
  Minter City and Sunnyside around 505 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Schlater and Doddsville.

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 3386 9045 3381 9045 3381 9019 3379 9017
      3375 9030 3372 9031 3369 9028 3374 9024
      3372 9022 3372 9014 3368 9014 3340 9076
      3341 9077 3362 9076 3362 9066 3378 9066
TIME...MOT...LOC 0921Z 241DEG 38KT 3356 9081 

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

$$

CME
3 follow-up statements
237 
WWUS54 KJAN 140943
SVSJAN

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

MSC083-133-141015-
/O.CON.KJAN.TO.W.0040.000000T0000Z-180414T1015Z/
Sunflower MS-Leflore MS-
443 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHEASTERN SUNFLOWER AND NORTHERN LEFLORE COUNTIES...
    
At 443 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Blaine, or 8 miles south of Ruleville, moving
northeast at 45 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...
  Sunnyside around 505 AM CDT. 
  Minter City and Money around 510 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Schlater and Doddsville.

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 3386 9045 3381 9045 3381 9019 3379 9017
      3375 9030 3372 9031 3369 9028 3374 9024
      3372 9022 3372 9014 3368 9014 3350 9056
      3362 9063 3381 9057
TIME...MOT...LOC 0943Z 238DEG 39KT 3360 9055 

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

$$

CME
015 
WWUS54 KJAN 141001
SVSJAN

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

MSC083-133-141015-
/O.CON.KJAN.TO.W.0040.000000T0000Z-180414T1015Z/
Sunflower MS-Leflore MS-
501 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR EAST
CENTRAL SUNFLOWER AND NORTHERN LEFLORE COUNTIES...
    
At 501 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Sunnyside, or 9 miles east of Ruleville, moving
northeast at 45 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...
  Sunnyside around 505 AM CDT. 
  Minter City around 510 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Schlater.

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 3381 9045 3381 9019 3379 9017 3375 9030
      3372 9031 3369 9028 3374 9024 3372 9022
      3372 9014 3368 9014 3353 9049 3380 9052
TIME...MOT...LOC 1001Z 237DEG 37KT 3372 9038 

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

$$

CME
068 
WWUS54 KJAN 141005
SVSJAN

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

MSC133-141015-
/O.CAN.KJAN.TO.W.0040.000000T0000Z-180414T1015Z/
Sunflower MS-
505 AM CDT SAT APR 14 2018

...THE TORNADO WARNING FOR EAST CENTRAL 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 north central
Mississippi.

LAT...LON 3381 9019 3379 9017 3375 9030 3374 9031
      3372 9031 3371 9030 3370 9030 3369 9028
      3370 9026 3374 9024 3372 9022 3372 9014
      3368 9014 3355 9045 3381 9039
TIME...MOT...LOC 1005Z 241DEG 38KT 3374 9033 

$$

MSC083-141015-
/O.CON.KJAN.TO.W.0040.000000T0000Z-180414T1015Z/
Leflore MS-
505 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR NORTHERN
LEFLORE COUNTY...
    
At 505 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Minter City, or 12 miles east of Drew, moving
northeast at 45 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
northern Leflore County, including the following locations: Schlater.

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 3381 9019 3379 9017 3375 9030 3374 9031
      3372 9031 3371 9030 3370 9030 3369 9028
      3370 9026 3374 9024 3372 9022 3372 9014
      3368 9014 3355 9045 3381 9039
TIME...MOT...LOC 1005Z 241DEG 38KT 3374 9033 

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

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 10:43 PM CDTSevere Thunderstorm WarningJANIssaquena, Washington36 min
Apr 13, 10:49 PM CDTTornado WarningJANWashington56 min
Apr 13, 11:11 PM CDTSpecial Weather StatementJANWashington49 min
Apr 13, 11:29 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington46 min
Apr 14, 12:01 AM CDTSpecial Weather StatementJANSunflower29 min
Apr 14, 3:45 AM CDTTornado WarningJANBolivar60 min
Apr 14, 3:49 AM CDTTornado WarningJANWashington41 min
Apr 14, 4:06 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Washington39 min
Apr 14, 4:16 AM CDTTornado WarningJANIssaquena, Sharkey, Washington44 min
Apr 14, 4:49 AM CDTTornado WarningJANHumphreys, Leflore, Sunflower46 min
Apr 14, 5:13 AM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore, Montgomery77 min
Apr 14, 6:12 AM CDTSpecial Weather StatementJANWarren33 min
Apr 14, 6:44 AM CDTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson61 min
Apr 14, 6:53 AM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Yazoo52 min
Apr 14, 7:07 AM CDTTornado WarningJANHinds, Madison53 min
Apr 14, 7:10 AM CDTSpecial Weather StatementJANCopiah50 min
Apr 14, 7:27 AM CDTSevere Thunderstorm WarningJANCopiah, Franklin, Lincoln44 min
Apr 14, 7:43 AM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin62 min
Apr 14, 7:47 AM CDTTornado WarningJANRankin43 min
Apr 14, 8:24 AM CDTSevere Thunderstorm WarningJANSimpson, Smith51 min
Apr 14, 8:28 AM CDTSevere Thunderstorm WarningJANLeake, Scott, Smith62 min
Apr 14, 8:28 AM CDTTornado WarningJANRankin, Simpson, Smith17 min
Apr 14, 8:33 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence57 min
Apr 14, 9:07 AM CDTSevere Thunderstorm WarningJANMarion68 min
Apr 14, 9:11 AM CDTSevere Thunderstorm WarningJANJasper, Smith79 min
Apr 14, 9:16 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Jones89 min
Apr 14, 9:16 AM CDTSevere Thunderstorm WarningJANChoctaw, Neshoba, Oktibbeha, Winston59 min
Apr 14, 9:35 AM CDTSpecial Weather StatementJANNeshoba, Newton55 min
Apr 14, 9:52 AM CDTSevere Thunderstorm WarningJANClay, Lowndes, Noxubee, Oktibbeha68 min
Apr 14, 9:53 AM CDTSevere Thunderstorm WarningJANClarke, Jasper97 min
Apr 14, 9:54 AM CDTSevere Thunderstorm WarningJANForrest, Lamar, Marion81 min
Apr 14, 10:03 AM CDTSevere Thunderstorm WarningJANKemper, Neshoba, Noxubee57 min
Apr 14, 10:06 AM CDTTornado WarningJANClay, Lowndes, Oktibbeha54 min
Apr 14, 10:10 AM CDTTornado WarningJANForrest, Lamar65 min
Apr 14, 10:40 AM CDTSevere Thunderstorm WarningJANJones65 min
Apr 14, 10:49 AM CDTSevere Thunderstorm WarningJANKemper, Lauderdale56 min
Apr 14, 10:51 AM CDTTornado WarningJANLowndes24 min
Apr 14, 11:00 AM CDTTornado WarningJANKemper, Lauderdale45 min
Apr 14, 11:22 AM CDTSevere Thunderstorm WarningJANClarke53 min
Apr 14, 11:24 AM CDTSevere Thunderstorm WarningJANKemper, Noxubee32 min
Apr 14, 11:51 AM CDTSevere Thunderstorm WarningJANForrest, Lamar39 min
Apr 14, 12:10 PM CDTTornado WarningJANForrest20 min

Nearby

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