Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 32, NWS Jackson, MS

April 13, 2018Washington County, Mississippi; Chicot County, Arkansas

NWS Jackson, MS issued this tornado warning at Apr 13, 2018, 10:49 PM CDT for Washington County, Mississippi; Chicot County, Arkansas. It was in force for 56 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 13, 2018, 10:49 PM CDT (03:49 UTC)
Expired
Apr 13, 2018, 11:45 PM CDT
In force
56 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Chicot County, AR, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 139 km from the middle of the area, began a volume at 03:48 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.

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, 3.8 hours before the alert went out and 129 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.

451 
WFUS54 KJAN 140349
TORJAN
ARC017-MSC151-140445-
/O.NEW.KJAN.TO.W.0032.180414T0349Z-180414T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1049 PM CDT FRI APR 13 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southeastern Chicot County in southeastern Arkansas...
  Central Washington County in northwestern Mississippi...

* Until 1145 PM CDT
    
* At 1049 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Eudora, moving northeast at 45 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  Avon around 1110 PM CDT. 
  Wayside around 1115 PM CDT. 
  Hollandale and Estill around 1120 PM CDT. 
  Darlove around 1125 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Arcola.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3344 9091 3330 9076 3327 9076 3327 9073
      3323 9073 3301 9113 3300 9121 3301 9128
      3308 9136
TIME...MOT...LOC 0349Z 235DEG 38KT 3308 9124 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

NF
2 follow-up statements
678 
WWUS54 KJAN 140414
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1114 PM CDT FRI APR 13 2018

ARC017-140423-
/O.CAN.KJAN.TO.W.0032.000000T0000Z-180414T0445Z/
Chicot AR-
1114 PM CDT FRI APR 13 2018

...THE TORNADO WARNING FOR SOUTHEASTERN CHICOT COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled. Gusty 
winds up to 50 mph will continue to be possible.

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

LAT...LON 3344 9091 3330 9076 3327 9076 3327 9073
      3323 9073 3312 9093 3322 9109 3325 9105
      3327 9104 3329 9106 3328 9109 3324 9110
      3327 9112
TIME...MOT...LOC 0413Z 239DEG 34KT 3323 9099 

$$

MSC151-140445-
/O.CON.KJAN.TO.W.0032.000000T0000Z-180414T0445Z/
Washington MS-
1114 PM CDT FRI APR 13 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR CENTRAL
WASHINGTON COUNTY...
    
At 1113 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Avon, moving northeast at 40 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...
  Hollandale and Estill around 1120 PM CDT. 
  Darlove around 1130 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Arcola.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3344 9091 3330 9076 3327 9076 3327 9073
      3323 9073 3312 9093 3322 9109 3325 9105
      3327 9104 3329 9106 3328 9109 3324 9110
      3327 9112
TIME...MOT...LOC 0413Z 239DEG 34KT 3323 9099 

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

$$

NF
353 
WWUS54 KJAN 140435
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1135 PM CDT FRI APR 13 2018

MSC151-140445-
/O.EXP.KJAN.TO.W.0032.000000T0000Z-180414T0445Z/
Washington MS-
1135 PM CDT FRI APR 13 2018

...THE TORNADO WARNING FOR CENTRAL WASHINGTON COUNTY WILL EXPIRE AT
1145 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

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

LAT...LON 3344 9091 3330 9076 3327 9076 3327 9073
      3323 9073 3312 9093 3322 9109 3325 9105
      3327 9104 3329 9106 3328 9109 3324 9110
      3327 9112
TIME...MOT...LOC 0435Z 235DEG 38KT 3336 9078 

$$

GRG

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, 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, 4:21 AM CDTTornado WarningJANLeflore, Sunflower54 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
Apr 13, 7:49 PM CDTTornado WarningJANAshley24 min
Apr 13, 9:59 PM CDTSevere Thunderstorm WarningJANAshley, Chicot46 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 14, 3:30 AM CDTTornado WarningJANChicot49 min

Nearby

Tornado Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.