Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 22, NWS Jackson, MS

April 6, 2018Claiborne County, Copiah County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 6, 2018, 9:19 PM CDT for Claiborne County, Copiah County, Mississippi. It was in force for 41 min. 5 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 6, 2018, 9:19 PM CDT (02:19 UTC)
Expired
Apr 6, 2018, 10:00 PM CDT
In force
41 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Claiborne County, MS, Copiah County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 91 km from the middle of the area, began a volume at 02:19 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 6, 9:24 PM CDTTSTM WND DMG2 Sw Pattison, MSMETAL ROOF PEELED OFF A HOME NEAR PATTISON. REPORTED VIA SOCIAL MEDIA. POSSIBLE TORNADO.
Apr 6, 9:27 PM CDTTORNADO10 Se Port Gibson, MSTHIS EF-1 TORNADO TOUCHED DOWN IN A WOODED AREA AROUND A MILE WEST OF TILLMAN ROAD AND FOREST GROVE ROAD. IT CAUSED SOME TREE DAMAGE WITH THE OUTER FRINGES OF THE CIRCULATION AS IT FIRST CROSSED PATTISON TILLMAN ROAD AND NORTHERN FORREST GROVE ROAD BUT MOST OF
Apr 6, 9:32 PM CDTTORNADO12 Se Port Gibson, MSTHIS EF-1 TORNADO TOUCHED DOWN ON MOSS DOWN LANE. IT CONTINUED ALONG AROUND A 3-4 MILE PORTION OF HIGHWAY 547. THIS TORNADO BEGAN TO WIDEN AND CAUSED WIDESPREAD TREE DAMAGE ALL ALONG THE PATH, ESPECIALLY ALONG HIGHWAY 547. HUNDREDS OF TREES WERE SNAPPED AND UP
Apr 6, 9:35 PM CDTTSTM WND DMG14 Se Port Gibson, MSTREES DOWN ALONG HWY 547, POSSIBLE TORNADO.
Apr 6, 9:46 PM CDTTORNADO18 W Hazlehurst, MSTHIS EF-1 TORNADO TOUCHED DOWN ALONG JUST WEST OF BARLOW ROAD. IT CONTINUED NEAR THE INTERSECTION OF BARLOW AND HENNEBERRY ROAD BEFORE CROSSING HAWKINS ROAD. MANY LARGE LIMBS AND TREES WERE SNAPPED AND UPROOTED ALONG THE PATH. IT CONTINUED EAST-SOUTHEAST BEFOR

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 6, 3:20 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.3 hours before the alert went out and 87 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 2018-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 877 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2018-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
877 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
369 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

265 
WFUS54 KJAN 070219
TORJAN
MSC021-029-070300-
/O.NEW.KJAN.TO.W.0022.180407T0219Z-180407T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
919 PM CDT FRI APR 6 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southeastern Claiborne County in southwestern Mississippi...
  Southwestern Copiah County in central Mississippi...

* Until 1000 PM CDT
    
* At 919 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Pattison, or 28 miles south of Vicksburg, moving
  east 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...
  Hermanville around 925 PM CDT. 
  Peyton around 935 PM CDT. 
  Barlow around 945 PM CDT. 

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 3178 9073 3178 9074 3179 9085 3180 9084
      3183 9084 3186 9101 3186 9105 3203 9098
      3194 9047 3170 9054
TIME...MOT...LOC 0219Z 290DEG 34KT 3192 9093 

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

$$

BYB
3 follow-up statements
921 
WWUS54 KJAN 070234
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
934 PM CDT FRI APR 6 2018

MSC021-029-070300-
/O.CON.KJAN.TO.W.0022.000000T0000Z-180407T0300Z/
Claiborne MS-Copiah MS-
934 PM CDT FRI APR 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN CLAIBORNE AND SOUTHWESTERN COPIAH COUNTIES...
    
At 934 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Peyton, or 23 miles west of Hazlehurst, moving east
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...
  Barlow around 945 PM CDT. 

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 3183 9086 3200 9080 3194 9047 3170 9054
      3178 9073 3178 9074 3179 9085 3180 9084
      3183 9084
TIME...MOT...LOC 0234Z 278DEG 35KT 3185 9079 

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

$$

BYB
771 
WWUS54 KJAN 070239
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
939 PM CDT FRI APR 6 2018

MSC021-029-070300-
/O.CON.KJAN.TO.W.0022.000000T0000Z-180407T0300Z/
Claiborne MS-Copiah MS-
939 PM CDT FRI APR 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN CLAIBORNE AND SOUTHWESTERN COPIAH COUNTIES...
    
At 939 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Peyton, or 20 miles west of Hazlehurst, moving east
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...
  Barlow around 945 PM CDT. 

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 3179 9081 3192 9083 3193 9082 3194 9082
      3198 9068 3194 9047 3176 9052 3178 9073
      3178 9074
TIME...MOT...LOC 0239Z 264DEG 37KT 3185 9074 

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

$$

BYB
029 
WWUS54 KJAN 070247
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
947 PM CDT FRI APR 6 2018

MSC021-070257-
/O.CAN.KJAN.TO.W.0022.000000T0000Z-180407T0300Z/
Claiborne MS-
947 PM CDT FRI APR 6 2018

...THE TORNADO WARNING FOR SOUTHEASTERN CLAIBORNE 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 1100 PM CDT for central and
southwestern Mississippi.

LAT...LON 3179 9072 3192 9072 3197 9060 3194 9047
      3177 9052
TIME...MOT...LOC 0247Z 264DEG 30KT 3186 9067 

$$

MSC029-070300-
/O.CON.KJAN.TO.W.0022.000000T0000Z-180407T0300Z/
Copiah MS-
947 PM CDT FRI APR 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHWESTERN COPIAH COUNTY...
    
At 947 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Barlow, or 16 miles west of Hazlehurst, moving east
at 35 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...
  Dentville around 1000 PM CDT. 

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 3179 9072 3192 9072 3197 9060 3194 9047
      3177 9052
TIME...MOT...LOC 0247Z 264DEG 30KT 3186 9067 

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

$$

BYB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 7:18 PM CDTFlash Flood WarningJANIssaquena, Warren3 hr
Apr 6, 7:52 PM CDTSevere Thunderstorm WarningJANHinds, Newton, Rankin, Scott, Smith53 min
Apr 6, 8:00 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Hinds, Jefferson, Warren60 min
Apr 6, 8:03 PM CDTTornado WarningJANRankin15 min
Apr 6, 8:09 PM CDTTornado WarningJANClaiborne, Warren36 min
Apr 6, 8:13 PM CDTFlash Flood WarningJANHinds, Madison, Rankin, Warren3 hr
Apr 6, 8:48 PM CDTSpecial Weather StatementJANNewton, Smith57 min
Apr 6, 8:51 PM CDTFlash Flood WarningJANLeake, Neshoba, Newton, Scott3 hr
Apr 6, 8:54 PM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Copiah, Hinds, Jefferson, Simpson66 min
Apr 6, 9:25 PM CDTTornado WarningJANCopiah, Hinds35 min
Apr 6, 9:29 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton46 min
Apr 6, 9:37 PM CDTSevere Thunderstorm WarningJANAdams68 min
Apr 6, 9:45 PM CDTFlash Flood WarningJANClarke, Kemper, Lauderdale3 hr
Apr 6, 9:55 PM CDTRiver Flood WarningJANLeake4 days
Apr 6, 9:57 PM CDTTornado WarningJANCopiah48 min
Apr 6, 10:05 PM CDTSevere Thunderstorm WarningJANSimpson55 min
Apr 6, 10:07 PM CDTRiver Flood WarningJANSharkey69 hr
Apr 6, 10:13 PM CDTFlash Flood WarningJANHinds, Rankin3 hr
Apr 6, 10:35 PM CDTTornado WarningJANJefferson Davis, Lawrence, Simpson55 min
Apr 6, 10:43 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln46 min
Apr 6, 10:51 PM CDTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson39 min
Apr 6, 11:02 PM CDTAreal Flood WarningJANHinds, Madison, Rankin, Warren6 hr
Apr 6, 11:10 PM CDTFlash Flood WarningJANClarke, Jasper, Smith4 hr
Apr 6, 11:13 PM CDTTornado WarningJANCovington47 min
Apr 6, 11:17 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion38 min
Apr 6, 11:36 PM CDTSevere Thunderstorm WarningJANFranklin, Lincoln54 min
Apr 6, 11:46 PM CDTSevere Thunderstorm WarningJANJones59 min
Apr 7, 12:08 AM CDTFlash Flood WarningJANJones4 hr
Apr 7, 12:48 AM CDTSpecial Weather StatementJANLamar, Marion57 min
Apr 7, 1:26 AM CDTAreal Flood WarningJANRankin6 hr
Apr 7, 1:38 AM CDTSpecial Weather StatementJANForrest52 min
Apr 7, 1:48 AM CDTSpecial Weather StatementJANLamar27 min
Apr 7, 3:45 AM CDTFreeze WarningJANAttala, Bolivar, Carroll, Choctaw, Clay, Grenada and 11 more28 hr
Apr 7, 9:01 AM CDTRiver Flood WarningJANLeake5 days
Apr 7, 9:02 AM CDTRiver Flood WarningJANLeake5 days
Apr 7, 9:03 AM CDTRiver Flood WarningJANLeake50 hr

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.