Alert archive / Louisiana / Tornado Warnings in 2013

Tornado Warning 65, NWS Jackson, MS

May 10, 2013Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this tornado warning at May 10, 2013, 2:02 AM CDT for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 43 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
May 10, 2013, 2:02 AM CDT (07:02 UTC)
Expired
May 10, 2013, 2:45 AM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Catahoula Parish, LA, Concordia Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.0 hours before the alert went out and 192 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, Lake Charles Mun, LA at 00:00Z on 2013-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1022 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, Lake Charles Mun, LA at 00:00Z on 2013-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
1022 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

171 
WFUS54 KJAN 100702
TORJAN
LAC025-029-100745-
/O.NEW.KJAN.TO.W.0065.130510T0702Z-130510T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
202 AM CDT FRI MAY 10 2013

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CONCORDIA PARISH IN NORTHEAST LOUISIANA...
  CATAHOULA PARISH IN NORTHEAST LOUISIANA...

* UNTIL 245 AM CDT

* AT 202 AM CDT...A TORNADO WAS INDICATED 9 MILES SOUTHWEST OF       
  LARTO MOVING EAST NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  LARTO AND ACME BY 210 AM CDT...
  NEW ERA AND MAYNA BY 215 AM CDT...
  MONTEREY AND SLOCUM BY 225 AM CDT...
  DEER PARK BY 235 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

LAT...LON 3131 9201 3142 9201 3162 9153 3152 9152
      3143 9155 3141 9158 3139 9158 3137 9155
      3129 9151 3123 9181 3126 9183 3129 9193
      3123 9192 3123 9200 3127 9201 3128 9203
TIME...MOT...LOC 0702Z 249DEG 34KT 3131 9195

$$

BYB
3 follow-up statements
718 
WWUS54 KJAN 100720
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
220 AM CDT FRI MAY 10 2013

LAC025-029-100745-
/O.CON.KJAN.TO.W.0065.000000T0000Z-130510T0745Z/
CONCORDIA LA-CATAHOULA LA-
220 AM CDT FRI MAY 10 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR
SOUTHWESTERN CATAHOULA AND SOUTHERN CONCORDIA PARISHES...

AT 220 AM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED NEAR ACME MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  SLOCUM AND MONTEREY BY 235 AM CDT...
  DEER PARK BY 245 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

LAT...LON 3133 9201 3153 9153 3144 9155 3139 9158
      3137 9155 3129 9151 3123 9181 3127 9185
      3129 9193 3122 9192 3123 9200 3127 9201
      3128 9203
TIME...MOT...LOC 0720Z 249DEG 34KT 3130 9182

$$

BYB
395 
WWUS54 KJAN 100733
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
233 AM CDT FRI MAY 10 2013

LAC025-100744-
/O.CAN.KJAN.TO.W.0065.000000T0000Z-130510T0745Z/
CATAHOULA LA-
233 AM CDT FRI MAY 10 2013

...THE TORNADO WARNING FOR SOUTHWESTERN CATAHOULA PARISH IS
CANCELLED...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT
FRIDAY MORNING FOR SOUTHWESTERN MISSISSIPPI.

LAT...LON 3146 9155 3144 9155 3139 9158 3137 9155
      3134 9155 3134 9153 3129 9151 3123 9181
      3127 9183 3129 9182 3129 9184 3136 9186
TIME...MOT...LOC 0734Z 249DEG 34KT 3129 9173

$$

LAC029-100745-
/O.CON.KJAN.TO.W.0065.000000T0000Z-130510T0745Z/
CONCORDIA LA-
233 AM CDT FRI MAY 10 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR SOUTHERN
CONCORDIA PARISH...

AT 234 AM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED NEAR ACME MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  SLOCUM BY 240 AM CDT...
  DEER PARK BY 245 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT
FRIDAY MORNING FOR SOUTHWESTERN MISSISSIPPI.

LAT...LON 3146 9155 3144 9155 3139 9158 3137 9155
      3134 9155 3134 9153 3129 9151 3123 9181
      3127 9183 3129 9182 3129 9184 3136 9186
TIME...MOT...LOC 0734Z 249DEG 34KT 3129 9173

$$

BYB
090 
WWUS54 KJAN 100742
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
242 AM CDT FRI MAY 10 2013

LAC029-100753-
/O.EXP.KJAN.TO.W.0065.000000T0000Z-130510T0745Z/
CONCORDIA LA-
242 AM CDT FRI MAY 10 2013

...THE TORNADO WARNING FOR SOUTHERN CONCORDIA PARISH WILL EXPIRE AT
245 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND THE
WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3146 9155 3144 9155 3139 9158 3137 9155
      3134 9155 3134 9153 3129 9151 3123 9181
      3127 9183 3129 9182 3129 9184 3136 9186
TIME...MOT...LOC 0743Z 249DEG 34KT 3132 9164

$$

BYB

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:44 PM CDTFlash Flood WatchJANCatahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more16 hr
May 9, 8:23 PM CDTSpecial Weather StatementJANMorehouse27 min
May 10, 1:56 AM CDTSpecial Weather StatementJANConcordia44 min

Nearby

Tornado Warnings in Louisiana, 2013Every tornado warning in 2013Tornadoes in 2013

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.