Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 62, NWS Jackson, MS

November 1, 20184 parishes in Louisiana

NWS Jackson, MS issued this tornado warning at Nov 1, 2018, 1:19 AM CDT for 4 parishes in Louisiana. It was in force for 42 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
Nov 1, 2018, 1:19 AM CDT (06:19 UTC)
Expired
Nov 1, 2018, 2:01 AM CDT
In force
42 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Catahoula Parish, LA, Concordia Parish, LA, Franklin Parish, LA, Tensas Parish, LA

The radar

The Ft Polk radar (KPOE), 126 km from the middle of the area, began a volume at 06:23 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
Nov 1, 1:23 AM CDTTORNADO4 Ssw Jonesville, LA*** 1 INJ *** THIS EF1 TORNADO TRACKED TO THE NORTHEAST SOUTH OF JONESVILLE DOING WIDESPREAD DAMAGE TO TREES AND ALSO DAMAGING A FEW STRUCTURES. THE TORNADO BEGAN IN CATAHOULA PARISH AND THEN CROSSED THE BLACK RIVER INTO CONCORDIA PARISH BEFORE ENDING AT THE T
Nov 1, 1:30 AM CDTTSTM WND DMG1 Ne Jonesville, LACORRECTS TIME OF PREVIOUS TSTM WND DMG REPORT FROM 1 NE JONESVILLE. ROOF DAMAGE AT 905 FIRST STREET.
Nov 1, 1:30 AM CDTTSTM WND DMG3 Ese Jonesville, LACORRECTS PREVIOUS TSTM WND DMG REPORT FROM 3 ESE JONESVILLE. POWERLINES DOWNED ON WILDSVILLE ROAD AND TREES DOWNED ON HIGHWAY 84. POSSIBLE TORNADO.
Nov 1, 1:30 AM CDTTSTM WND DMG3 Ese Jonesville, LAPOWERLINES DOWNED ON WILDSVILLE ROAD AND TREES DOWNED ON HIGHWAY 84. POSSIBLE TORNADO.
Nov 1, 1:51 AM CDTTSTM WND DMGFerriday, LATREES DOWNED IN FERRIDAY.

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
Oct 31, 8:14 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.3 hours before the alert went out and 177 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 2018-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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 00:00Z on 2018-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
97 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1135 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

646 
WFUS54 KJAN 010619
TORJAN
LAC025-029-041-107-010715-
/O.NEW.KJAN.TO.W.0062.181101T0619Z-181101T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
119 AM CDT THU NOV 1 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Tensas Parish in northeastern Louisiana...
  Northwestern Concordia Parish in northeastern Louisiana...
  Northern Catahoula Parish in northeastern Louisiana...
  Southeastern Franklin Parish in northeastern Louisiana...

* Until 215 AM CDT.
    
* At 119 AM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Archie, or just southwest of Jonesville, 
  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...
  Jonesville and Wildsville around 130 AM CDT.
  Wallace Ridge around 135 AM CDT.
  Lee Bayou around 150 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Harrisonburg 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 3146 9197 3166 9196 3181 9186 3203 9151
      3163 9152
TIME...MOT...LOC 0619Z 219DEG 40KT 3154 9191 

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

$$

DL
4 follow-up statements
551 
WWUS54 KJAN 010632
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
132 AM CDT THU NOV 1 2018

LAC025-029-041-107-010715-
/O.CON.KJAN.TO.W.0062.000000T0000Z-181101T0715Z/
Tensas LA-Concordia LA-Catahoula LA-Franklin LA-
132 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHWESTERN TENSAS...NORTHWESTERN CONCORDIA...NORTHEASTERN CATAHOULA
AND SOUTHEASTERN FRANKLIN PARISHES...
    
At 132 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Wallace Ridge, or 15 miles west of Ferriday, 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...
  Lee Bayou around 155 AM CDT.

Other locations impacted by this tornadic thunderstorm include 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 3149 9189 3174 9185 3200 9151 3163 9152
TIME...MOT...LOC 0632Z 225DEG 40KT 3167 9182 

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

$$

DL
888 
WWUS54 KJAN 010646
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
146 AM CDT THU NOV 1 2018

LAC025-029-041-107-010715-
/O.CON.KJAN.TO.W.0062.000000T0000Z-181101T0715Z/
Tensas LA-Concordia LA-Catahoula LA-Franklin LA-
146 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHWESTERN TENSAS...NORTH CENTRAL CONCORDIA...NORTHEASTERN
CATAHOULA AND SOUTHEASTERN FRANKLIN PARISHES...
    
At 146 AM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Lee Bayou, or 11 miles northwest of
Ferriday, 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...
  Clayton and Lee Bayou around 155 AM CDT.

Other locations impacted by this tornadic thunderstorm include 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 3155 9173 3181 9175 3200 9151 3163 9152
TIME...MOT...LOC 0646Z 229DEG 37KT 3176 9168 

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

$$

DL
649 
WWUS54 KJAN 010656
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
156 AM CDT THU NOV 1 2018

LAC025-041-010706-
/O.CAN.KJAN.TO.W.0062.000000T0000Z-181101T0715Z/
Catahoula LA-Franklin LA-
156 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR NORTHEASTERN CATAHOULA AND SOUTHEASTERN
FRANKLIN PARISHES 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 400 AM CDT for northeastern
Louisiana.

LAT...LON 3176 9160 3176 9159 3172 9156 3172 9155
      3173 9154 3174 9154 3176 9156 3180 9158
      3184 9157 3192 9151 3163 9152 3159 9163
TIME...MOT...LOC 0656Z 243DEG 39KT 3178 9153 

$$

LAC029-107-010715-
/O.CON.KJAN.TO.W.0062.000000T0000Z-181101T0715Z/
Tensas LA-Concordia LA-
156 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHWESTERN TENSAS AND NORTHERN CONCORDIA PARISHES...
    
At 156 AM CDT, a severe thunderstorm capable of producing a tornado 
was located near Lee Bayou, or 10 miles north of Ferriday, 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.

Locations impacted include...
Ferriday, Clayton, Lee Bayou and West Ferriday. 

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 3176 9160 3176 9159 3172 9156 3172 9155
      3173 9154 3174 9154 3176 9156 3180 9158
      3184 9157 3192 9151 3163 9152 3159 9163
TIME...MOT...LOC 0656Z 243DEG 39KT 3178 9153 

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

$$

DL
116 
WWUS54 KJAN 010701
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
201 AM CDT THU NOV 1 2018

LAC029-107-010711-
/O.CAN.KJAN.TO.W.0062.000000T0000Z-181101T0715Z/
Tensas LA-Concordia LA-
201 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR SOUTHWESTERN TENSAS AND NORTHERN CONCORDIA
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 400 AM CDT for northeastern
Louisiana.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3176 9160 3176 9159 3172 9156 3172 9155
      3173 9154 3174 9154 3176 9156 3180 9158
      3184 9157 3192 9151 3163 9152 3159 9163
TIME...MOT...LOC 0659Z 219DEG 40KT 3182 9149 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 10:48 PM CDTSpecial Weather StatementJANFranklin27 min
Oct 31, 11:35 PM CDTSevere Thunderstorm WarningJANMorehouse40 min
Oct 31, 11:45 PM CDTTornado WarningJANMorehouse45 min
Nov 1, 12:13 AM CDTSevere Thunderstorm WarningJANMorehouse, West Carroll47 min
Nov 1, 12:32 AM CDTSevere Thunderstorm WarningJANCatahoula, Franklin58 min
Nov 1, 12:37 AM CDTTornado WarningJANCatahoula, Franklin53 min
Nov 1, 12:59 AM CDTSevere Thunderstorm WarningJANCatahoula, Concordia61 min
Nov 1, 1:11 AM CDTTornado WarningJANCatahoula, Concordia64 min
Nov 1, 1:30 AM CDTSevere Thunderstorm WarningJANConcordia, Tensas90 min
Nov 1, 1:42 AM CDTSevere Thunderstorm WarningJANEast Carroll, Madison63 min
Nov 1, 1:44 AM CDTTornado WarningJANMadison, Tensas46 min
Nov 1, 1:53 AM CDTTornado WarningJANConcordia42 min
Nov 1, 2:00 AM CDTTornado WarningJANEast Carroll45 min

Nearby

Tornado Warnings in Louisiana, 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.