Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 10, NWS Jackson, MS

March 28, 20184 parishes in Louisiana; Claiborne County, Warren County, Mississippi

NWS Jackson, MS issued this tornado warning at Mar 28, 2018, 6:00 PM CDT for 4 parishes in Louisiana; Claiborne County, Warren County, Mississippi. It was in force for 31 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
Mar 28, 2018, 6:00 PM CDT (23:00 UTC)
Expired
Mar 28, 2018, 6:31 PM CDT
In force
31 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Catahoula Parish, LA, Franklin Parish, LA, Madison Parish, LA, Tensas Parish, LA, Claiborne County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 143 km from the middle of the area, began a volume at 23:00 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
Mar 28, 6:01 PM CDTTSTM WND DMG7 N Harrisonburg, LAA COUPLE TREES WERE SNAPPED ALONG LA HIGHWAY 124.

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
Mar 28, 3:27 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.0 hours before the alert went out and 134 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 12:00Z on 2018-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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, Jackson, MS at 12:00Z on 2018-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 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
44 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

683 
WFUS54 KJAN 282300
TORJAN
LAC025-041-065-107-MSC021-149-290000-
/O.NEW.KJAN.TO.W.0010.180328T2300Z-180329T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
600 PM CDT WED MAR 28 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Tensas Parish in northeastern Louisiana...
  South central Madison Parish in northeastern Louisiana...
  Northeastern Catahoula Parish in northeastern Louisiana...
  Southern Franklin Parish in northeastern Louisiana...
  Southwestern Warren County in west central Mississippi...
  Central Claiborne County in southwestern Mississippi...

* Until 700 PM CDT
    
* At 600 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Enterprise, or 21 miles northwest of Ferriday,
  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...
  Wisner around 615 PM CDT. 
  Cooter Point around 620 PM CDT. 
  Newlight around 630 PM CDT. 
  Lake Bruin around 635 PM CDT. 
  Newellton around 640 PM CDT. 
  Somerset around 645 PM CDT. 
  Afton around 650 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Gilbert and Sicily Island.

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 3234 9113 3205 9092 3177 9187 3193 9191
      3195 9190
TIME...MOT...LOC 2300Z 242DEG 47KT 3185 9182 

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

$$

TW
2 follow-up statements
116 
WWUS54 KJAN 282316
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
616 PM CDT WED MAR 28 2018

LAC025-282325-
/O.CAN.KJAN.TO.W.0010.000000T0000Z-180329T0000Z/
Catahoula LA-
616 PM CDT WED MAR 28 2018

...THE TORNADO WARNING FOR NORTHEASTERN CATAHOULA PARISH 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 northeastern
Louisiana...and southwestern and west central Mississippi.

LAT...LON 3204 9172 3234 9113 3205 9092 3187 9154
      3191 9160 3197 9160 3197 9165 3196 9165
TIME...MOT...LOC 2315Z 242DEG 47KT 3195 9160 

$$

LAC041-065-107-MSC021-149-290000-
/O.CON.KJAN.TO.W.0010.000000T0000Z-180329T0000Z/
Tensas LA-Madison LA-Franklin LA-Warren MS-Claiborne MS-
616 PM CDT WED MAR 28 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR TENSAS...
SOUTH CENTRAL MADISON AND SOUTHEASTERN FRANKLIN PARISHES...
SOUTHWESTERN WARREN AND CENTRAL CLAIBORNE COUNTIES...
    
At 615 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Wisner, or 16 miles southeast of Winnsboro, 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...
  Cooter Point around 620 PM CDT. 
  Newlight around 630 PM CDT. 
  Lake Bruin around 635 PM CDT. 
  Newellton around 640 PM CDT. 
  Somerset around 645 PM CDT. 
  Afton around 650 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Gilbert.

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 3204 9172 3234 9113 3205 9092 3187 9154
      3191 9160 3197 9160 3197 9165 3196 9165
TIME...MOT...LOC 2315Z 242DEG 47KT 3195 9160 

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

$$

TW
059 
WWUS54 KJAN 282331
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
631 PM CDT WED MAR 28 2018

LAC041-065-107-MSC021-149-282341-
/O.CAN.KJAN.TO.W.0010.000000T0000Z-180329T0000Z/
Tensas LA-Madison LA-Franklin LA-Warren MS-Claiborne MS-
631 PM CDT WED MAR 28 2018

...THE TORNADO WARNING FOR TENSAS...SOUTH CENTRAL MADISON AND
SOUTHEASTERN FRANKLIN PARISHES...SOUTHWESTERN WARREN AND CENTRAL
CLAIBORNE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 1100 PM CDT for northeastern
Louisiana...and southwestern and west central Mississippi.

LAT...LON 3204 9172 3234 9113 3205 9092 3187 9154
      3191 9160 3197 9160 3197 9165 3196 9165
TIME...MOT...LOC 2329Z 242DEG 47KT 3205 9138 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 4:36 PM CDTSevere Thunderstorm WarningJANFranklin, Morehouse, Richland54 min
Mar 28, 4:49 PM CDTTornado WarningJANFranklin, Richland56 min
Mar 28, 5:19 PM CDTSevere Thunderstorm WarningJANEast Carroll, Morehouse, West Carroll41 min
Mar 28, 5:22 PM CDTTornado WarningJANEast Carroll, Madison, West Carroll41 min
Mar 28, 5:44 PM CDTSpecial Weather StatementJANFranklin46 min
Mar 28, 6:49 PM CDTSevere Thunderstorm WarningJANMadison, Tensas56 min
Mar 28, 9:32 AM CDTRiver Flood WarningJANMadison, Yazoo21 days
Mar 28, 9:32 AM CDTRiver Flood WarningJANHinds, Warren8 days
Mar 28, 9:51 AM CDTRiver Flood WarningJANNeshoba25 hr
Mar 28, 9:54 AM CDTRiver Flood WarningJANClay5 days
Mar 28, 5:54 PM CDTTornado WarningJANHumphreys, Issaquena, Sharkey, Washington, Yazoo66 min
Mar 28, 6:49 PM CDTTornado WarningJANHolmes, Humphreys, Yazoo56 min

Nearby

Tornado Warnings in Louisiana, 2018Tornado 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.