Alert archive / Louisiana / Tornado Warnings in 2017

Tornado Warning 37, NWS Jackson, MS

April 2, 2017Franklin Parish, Richland Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 2, 2017, 4:52 PM CDT for Franklin Parish, Richland Parish, Louisiana. It was in force for 38 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: Apr 2, 2017, 4:52 PM CDT (21:52 UTC)
Expired: Apr 2, 2017, 5:30 PM CDT
In force: 38 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Franklin Parish, LA, Richland Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 168 km from the middle of the area, began a volume at 21:51 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

Time	Report	Where	Remark
Apr 2, 4:56 PM CDT	TORNADO	1 Se Mangham, LA	DAMAGE IN THE MANGHAM AND BASKIN AREA FROM POSSIBLE TORNADO. TORNADIC DEBRIS SIGNATURE ALSO OBSERVED ON ULM RADAR.

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.

Issued	Product	Office	Lasted
Apr 2, 1:34 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.9 hours before the alert went out and 159 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1500 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

153 
WFUS54 KJAN 022152
TORJAN
LAC041-083-022230-
/O.NEW.KJAN.TO.W.0037.170402T2152Z-170402T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
452 PM CDT SUN APR 2 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Central Richland Parish in northeastern Louisiana...
  North central Franklin Parish in northeastern Louisiana...

* Until 530 PM CDT
    
* At 451 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Mangham, moving northeast at 20 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  Mangham around 455 PM CDT. 
  Archibald around 500 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Baskin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows.

&&

LAT...LON 3223 9177 3227 9187 3245 9181 3239 9162
TIME...MOT...LOC 2151Z 207DEG 19KT 3229 9179 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

EC

2 follow-up statements

505 
WWUS54 KJAN 022157
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
457 PM CDT SUN APR 2 2017

LAC041-083-022230-
/O.CON.KJAN.TO.W.0037.000000T0000Z-170402T2230Z/
Richland LA-Franklin LA-
457 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
RICHLAND AND NORTH CENTRAL FRANKLIN PARISHES...
        
At 457 PM CDT, a confirmed tornado was located over Mangham, moving
northeast at 25 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Radar confirmed tornado. 

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 tornado will be near...
  Archibald around 500 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. 

&&

LAT...LON 3226 9176 3229 9185 3245 9181 3239 9162
TIME...MOT...LOC 2157Z 207DEG 19KT 3232 9177 

TORNADO...OBSERVED
HAIL...1.00IN

$$

EC

907 
WWUS54 KJAN 022208
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
508 PM CDT SUN APR 2 2017

LAC041-022218-
/O.CAN.KJAN.TO.W.0037.000000T0000Z-170402T2230Z/
Franklin LA-
508 PM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR NORTH CENTRAL FRANKLIN 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 900 PM CDT for northeastern
Louisiana.

LAT...LON 3245 9181 3240 9164 3239 9165 3239 9167
      3237 9169 3237 9170 3235 9170 3234 9172
      3237 9180
TIME...MOT...LOC 2208Z 217DEG 22KT 3238 9169 

$$

LAC083-022230-
/O.CON.KJAN.TO.W.0037.000000T0000Z-170402T2230Z/
Richland LA-
508 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
RICHLAND PARISH...
    
At 508 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Archibald, or near Mangham, moving northeast at 25
mph.

HAZARD...Tornado and quarter size hail. 

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 tornadic thunderstorm will remain over mainly rural areas of
central Richland Parish.

LAT...LON 3245 9181 3240 9164 3239 9165 3239 9167
      3237 9169 3237 9170 3235 9170 3234 9172
      3237 9180
TIME...MOT...LOC 2208Z 217DEG 22KT 3238 9169 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

EC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 4:54 AM CDT	Flash Flood Watch	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	28 hr
Apr 2, 12:17 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland	43 min
Apr 2, 12:59 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland	46 min
Apr 2, 1:10 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	50 min
Apr 2, 1:33 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	27 min
Apr 2, 3:09 PM CDT	Special Weather Statement	JAN	Morehouse	36 min
Apr 2, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	58 min
Apr 2, 4:12 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland	48 min
Apr 2, 4:18 PM CDT	Tornado Warning	JAN	Franklin, Richland	57 min
Apr 2, 4:28 PM CDT	Tornado Warning	JAN	Catahoula, Franklin	62 min
Apr 2, 4:41 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, West Carroll	64 min
Apr 2, 5:01 PM CDT	Tornado Warning	JAN	Franklin	44 min
Apr 2, 5:10 PM CDT	Tornado Warning	JAN	Richland	28 min
Apr 2, 5:14 PM CDT	Tornado Warning	JAN	East Carroll	46 min
Apr 2, 5:28 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Franklin	47 min
Apr 2, 5:33 PM CDT	Tornado Warning	JAN	Catahoula, Franklin	42 min
Apr 2, 5:34 PM CDT	Tornado Warning	JAN	Franklin, Madison, Tensas	41 min
Apr 2, 5:40 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Richland, West Carroll	50 min
Apr 2, 5:46 PM CDT	Severe Thunderstorm Warning	JAN	Tensas	44 min
Apr 2, 5:59 PM CDT	Tornado Warning	JAN	Franklin, Madison, Tensas	26 min
Apr 2, 6:05 PM CDT	Tornado Warning	JAN	Madison, Tensas	25 min
Apr 2, 6:15 PM CDT	Tornado Warning	JAN	Madison, Tensas	60 min
Apr 2, 6:40 PM CDT	Flash Flood Warning	JAN	Catahoula, Franklin, Madison, Richland, Tensas	4 hr

Nearby

Tornado Warnings in Louisiana, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.