Alert archive / Louisiana / Tornado Warnings in 2017

Tornado Warning 46, NWS Jackson, MS

April 2, 2017Madison Parish, Tensas Parish, Louisiana; Warren County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 2, 2017, 6:15 PM CDT for Madison Parish, Tensas Parish, Louisiana; Warren County, Mississippi. It was in force for 60 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, 6:15 PM CDT (23:15 UTC)
Expired: Apr 2, 2017, 7:15 PM CDT
In force: 60 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Madison Parish, LA, Tensas Parish, LA, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 23:19 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, 6:50 PM CDT	TSTM WND DMG	1 Nnw Vicksburg, MS	NUMEROUS TREES DOWN AROUND THE CITY OF VICKSBURG.

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
Apr 2, 4:52 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.3 hours before the alert went out and 84 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.

160 
WFUS54 KJAN 022315
TORJAN
LAC065-107-MSC149-030015-
/O.NEW.KJAN.TO.W.0046.170402T2315Z-170403T0015Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Tensas Parish in northeastern Louisiana...
  Eastern Madison Parish in northeastern Louisiana...
  Western Warren County in west central Mississippi...

* Until 715 PM CDT
    
* At 615 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Afton, or 14 miles south of Tallulah, moving
  northeast at 30 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...
  Vicksburg around 635 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Mound
and Delta.

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 3253 9098 3251 9096 3242 9096 3244 9095
      3245 9094 3245 9093 3244 9092 3245 9091
      3227 9075 3211 9116 3223 9125
TIME...MOT...LOC 2315Z 227DEG 27KT 3220 9116 

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

$$

EC

2 follow-up statements

526 
WWUS54 KJAN 022331
SVSJAN

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

LAC065-107-MSC149-030015-
/O.CON.KJAN.TO.W.0046.000000T0000Z-170403T0015Z/
Tensas LA-Madison LA-Warren MS-
631 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN TENSAS...EASTERN MADISON PARISHES IN NORTHEASTERN
LOUISIANA AND WESTERN WARREN COUNTIES...
    
At 630 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Le Tourneau, or near Vicksburg, moving northeast at
45 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...
  Vicksburg around 635 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Mound
and Delta.

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 3253 9098 3251 9096 3242 9096 3244 9095
      3245 9094 3245 9093 3244 9092 3245 9091
      3227 9075 3211 9116 3223 9125
TIME...MOT...LOC 2330Z 232DEG 37KT 3229 9097 

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

$$

EC

787 
WWUS54 KJAN 022346
SVSJAN

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

LAC065-107-022356-
/O.CAN.KJAN.TO.W.0046.000000T0000Z-170403T0015Z/
Tensas LA-Madison LA-
646 PM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR NORTHEASTERN TENSAS AND EASTERN MADISON
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 900 PM CDT for northeastern
Louisiana...and west central Mississippi.

LAT...LON 3253 9098 3251 9096 3245 9097 3245 9091
      3227 9075 3227 9087 3231 9091 3236 9088
      3238 9088 3234 9091 3236 9100 3240 9099
      3242 9096 3244 9095 3243 9097 3245 9098
      3244 9101
TIME...MOT...LOC 2346Z 239DEG 21KT 3232 9087 

$$

MSC149-030015-
/O.CON.KJAN.TO.W.0046.000000T0000Z-170403T0015Z/
Warren MS-
646 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR CENTRAL
WARREN COUNTY...
    
At 646 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Vicksburg, 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 Warren County.

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 3253 9098 3251 9096 3245 9097 3245 9091
      3227 9075 3227 9087 3231 9091 3236 9088
      3238 9088 3234 9091 3236 9100 3240 9099
      3242 9096 3244 9095 3243 9097 3245 9098
      3244 9101
TIME...MOT...LOC 2346Z 239DEG 21KT 3232 9087 

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, 4:52 PM CDT	Tornado Warning	JAN	Franklin, Richland	38 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, 6:40 PM CDT	Flash Flood Warning	JAN	Catahoula, Franklin, Madison, Richland, Tensas	4 hr
Apr 2, 12:14 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Jefferson, Lincoln	46 min
Apr 2, 12:56 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	39 min
Apr 2, 5:13 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	32 min
Apr 2, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	66 min
Apr 2, 5:48 PM CDT	Tornado Warning	JAN	Issaquena, Sharkey, Washington	42 min
Apr 2, 6:02 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	28 min
Apr 2, 6:29 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo	61 min
Apr 2, 6:48 PM CDT	Tornado Warning	JAN	Hinds, Warren	57 min
Apr 2, 6:53 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	67 min

Nearby

Tornado Warnings in Louisiana, 2017 Tornado Warnings in Mississippi, 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.