Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 36, NWS Jackson, MS

April 14, 2018Chicot County, Arkansas; East Carroll Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 14, 2018, 3:30 AM CDT for Chicot County, Arkansas; East Carroll Parish, West Carroll Parish, Louisiana. It was in force for 49 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, 3:30 AM CDT (08:30 UTC)
Expired
Apr 14, 2018, 4:19 AM CDT
In force
49 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Chicot County, AR, East Carroll Parish, LA, West Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 143 km from the middle of the area, began a volume at 08:33 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, 3:33 AM CDTTORNADO9 Wnw Pioneer, LATHIS EF0 TORNADO BEGAN WEST OF LA HIGHWAY 585 SOUTH OF BONNER RD, WHERE THE ROOF OF A BARN WAS DAMAGED AND MULTIPLE TREES WERE DAMAGED. IT CONTINUED EASTWARD ROUGHLY PARALLELING BONNER RD AND REACHED ITS PEAK INTENSITY NEAR THE INTERSECTION WITH PETERSON RD, W
Apr 14, 3:36 AM CDTTORNADO7 Wnw Forest, LATHIS EF0 TORNADO BEGAN NORTH OF ROUNDHILL RD, SNAPPING AND UPROOTING MULTIPLE TREES. IT CONTINUED EASTWARD ACROSS MORGAN RD AND TACKETT RD, DAMAGING ADDITIONAL TREES. IT THEN CROSSED LA HIGHWAY 878 AT THE INTERSECTION WITH GRUBBS RD AND WALTERS RD, WHERE A MOB
Apr 14, 4:05 AM CDTTSTM WND DMG7 Nnw Lake Providence, LATREES UPROOTED OFF LA HIGHWAY 596.

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

Jackson, MS (KJAN), launched 00:00Z, 8.5 hours before the alert went out and 133 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, Jackson, MS at 00:00Z on 2018-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2018-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.193958Sfc1 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
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.

512 
WFUS54 KJAN 140830
TORJAN
ARC017-LAC035-123-140930-
/O.NEW.KJAN.TO.W.0036.180414T0830Z-180414T0930Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Chicot County in southeastern Arkansas...
  Northeastern East Carroll Parish in northeastern Louisiana...
  Northern West Carroll Parish in northeastern Louisiana...

* Until 430 AM CDT
    
* At 330 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Goodwill, or 16 miles south of Wilmot, moving east
  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...
  Oak Grove around 350 AM CDT. 
  Millikin, Gassoway and Shelburn around 405 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Kilbourne and Forest.

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 3271 9163 3275 9160 3286 9157 3289 9150
      3298 9144 3301 9144 3301 9146 3310 9145
      3315 9119 3311 9120 3305 9112 3302 9116
      3292 9121 3290 9115 3298 9114 3299 9110
      3292 9106 3291 9106 3289 9107 3283 9115
TIME...MOT...LOC 0830Z 249DEG 37KT 3282 9162 

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

$$

GRG
2 follow-up statements
145 
WWUS54 KJAN 140853
SVSJAN

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

ARC017-LAC035-123-140930-
/O.CON.KJAN.TO.W.0036.000000T0000Z-180414T0930Z/
Chicot AR-East Carroll LA-West Carroll LA-
353 AM CDT SAT APR 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR
SOUTHWESTERN CHICOT COUNTY...NORTHEASTERN EAST CARROLL AND
NORTHEASTERN WEST CARROLL PARISHES...
    
At 353 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Oak Grove, or 11 miles northwest of Lake Providence,
moving east 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...
  Shelburn around 400 AM CDT. 
  Millikin and Gassoway around 405 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Kilbourne and Forest.

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 3275 9147 3288 9141 3310 9145 3315 9119
      3311 9120 3305 9112 3302 9116 3292 9121
      3290 9115 3298 9114 3299 9110 3292 9106
      3291 9106 3289 9107 3283 9115
TIME...MOT...LOC 0853Z 249DEG 37KT 3291 9136 

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

$$

GRG
319 
WWUS54 KJAN 140919
SVSJAN

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

ARC017-LAC035-123-140928-
/O.CAN.KJAN.TO.W.0036.000000T0000Z-180414T0930Z/
Chicot AR-East Carroll LA-West Carroll LA-
419 AM CDT SAT APR 14 2018

...THE TORNADO WARNING FOR SOUTHWESTERN CHICOT COUNTY...NORTHEASTERN
EAST CARROLL AND NORTHEASTERN WEST CARROLL PARISHES 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 southeastern
Arkansas...northeastern Louisiana...and northwestern and west central
Mississippi.

LAT...LON 3275 9147 3288 9141 3310 9145 3315 9119
      3311 9120 3305 9112 3302 9116 3292 9121
      3290 9115 3298 9114 3299 9110 3292 9106
      3291 9106 3289 9107 3283 9115
TIME...MOT...LOC 0917Z 249DEG 37KT 3301 9106 

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:49 PM CDTTornado WarningJANAshley24 min
Apr 13, 9:59 PM CDTSevere Thunderstorm WarningJANAshley, Chicot46 min
Apr 13, 10:43 PM CDTSevere Thunderstorm WarningJANChicot36 min
Apr 13, 10:49 PM CDTTornado WarningJANChicot56 min
Apr 14, 2:32 AM CDTSevere Thunderstorm WarningJANAshley58 min
Apr 14, 3:02 AM CDTTornado WarningJANAshley28 min
Apr 14, 3:22 AM CDTTornado WarningJANChicot38 min
Apr 13, 7:24 PM CDTTornado Warning Tornado observedJANMorehouse34 min
Apr 13, 8:12 PM CDTSevere Thunderstorm WarningJANRichland48 min
Apr 13, 8:28 PM CDTTornado WarningJANRichland62 min
Apr 13, 8:35 PM CDTTornado WarningJANRichland55 min
Apr 13, 9:04 PM CDTTornado WarningJANMorehouse, Richland, West Carroll56 min
Apr 13, 10:18 PM CDTFlash Flood WarningJANMorehouse, West Carroll3 hr
Apr 14, 2:54 AM CDTTornado WarningJANMorehouse51 min
Apr 14, 5:32 AM CDTSpecial Weather StatementJANCatahoula43 min
Apr 14, 5:40 AM CDTSevere Thunderstorm WarningJANCatahoula, Concordia23 min

Nearby

Tornado Warnings in Louisiana, 2018Tornado Warnings in Arkansas, 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.