Alert archive / Louisiana / Tornado Warnings in 2009

Tornado Warning 13, NWS Jackson, MS

March 25, 2009Franklin Parish, Richland Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 25, 2009, 9:45 PM CDT for Franklin Parish, Richland Parish, Louisiana. It was in force for 30 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: Mar 25, 2009, 9:45 PM CDT (02:45 UTC)
Expired: Mar 25, 2009, 10:15 PM CDT
In force: 30 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Franklin Parish, LA, Richland Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 25, 8:54 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.8 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 213 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 602 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 260245
TORJAN
LAC041-083-260315-
/O.NEW.KJAN.TO.W.0013.090326T0245Z-090326T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
945 PM CDT WED MAR 25 2009

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FRANKLIN PARISH IN NORTHEAST LOUISIANA...
  SOUTHERN RICHLAND PARISH IN NORTHEAST LOUISIANA...
  THIS INCLUDES THE CITY OF MANGHAM...

* UNTIL 1015 PM CDT

* AT 945 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
  SOUTHWEST OF BUCKNER...OR 16 MILES WEST OF MANGHAM...MOVING EAST AT
  45 MPH.

* THE TORNADO WILL BE NEAR...
  BUCKNER BY 955 PM CDT...
  ALTO BY 1000 PM CDT...
  MANGHAM AND ARCHIBALD BY 1005 PM CDT...
  7 MILES NORTHWEST OF CROWVILLE BY 1015 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 3234 9201 3247 9157 3229 9151 3226 9152
      3227 9155 3224 9154 3216 9190 3217 9197
      3220 9198 3220 9201 3227 9200 3228 9203
TIME...MOT...LOC 0245Z 253DEG 38KT 3224 9202

$$

BYB

1 follow-up statement

000 
WWUS54 KJAN 260305
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1005 PM CDT WED MAR 25 2009

LAC041-083-260315-
/O.CON.KJAN.TO.W.0013.000000T0000Z-090326T0315Z/
RICHLAND LA-FRANKLIN LA-
1005 PM CDT WED MAR 25 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR NORTHERN
FRANKLIN AND SOUTHERN RICHLAND PARISHES...

AT 1005 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 9 MILES SOUTHWEST OF BASKIN...OR 9 MILES WEST OF
WINNSBORO...MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  BASKIN...7 MILES SOUTH OF MANGHAM AND 8 MILES WEST OF CROWVILLE BY
  1015 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING
FOR NORTHEAST LOUISIANA AND SOUTHWESTERN MISSISSIPPI.

&&

LAT...LON 3234 9201 3247 9157 3229 9151 3226 9152
      3227 9155 3224 9154 3216 9190 3217 9197
      3220 9198 3220 9201 3227 9200 3228 9203
TIME...MOT...LOC 0305Z 253DEG 38KT 3219 9184

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 9:30 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Franklin, Richland	45 min
Mar 25, 10:10 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin, Tensas	50 min
Mar 25, 10:15 PM CDT	Tornado Warning	JAN	Franklin, Madison, Tensas	30 min
Mar 25, 10:17 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Madison	43 min
Mar 25, 10:58 PM CDT	Severe Thunderstorm Warning	JAN	Tensas	47 min
Mar 25, 11:00 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	45 min
Mar 25, 11:11 PM CDT	Tornado Warning	JAN	Tensas	34 min
Mar 25, 11:44 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	61 min
Mar 26, 4:07 AM CDT	Flash Flood Watch	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	24 hr

Nearby

Tornado Warnings in Louisiana, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.