Alert archive / Louisiana / Tornado Warnings in 2017

Tornado Warning 52, NWS Jackson, MS

April 30, 2017Madison Parish, Tensas Parish, Louisiana; Warren County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 30, 2017, 6:43 AM CDT for Madison Parish, Tensas Parish, Louisiana; Warren County, Mississippi. It was in force for 62 min. 3 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: Apr 30, 2017, 6:43 AM CDT (11:43 UTC)
Expired: Apr 30, 2017, 7:45 AM CDT
In force: 62 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

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

The radar

The Jackson/Brandon,MS radar (KDGX), 98 km from the middle of the area, began a volume at 11:45 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 30, 7:14 AM CDT	TORNADO	1 Wsw Delta, LA	THIS TORNADO BEGAN JUST SOUTH OF INTERSTATE 20 IN MADISON PARISH, AROUND DELTA. IT SNAPPED OR UPROOTED NUMEROUS TREES IN THIS LOCATION AS WELL AS DAMAGED A ROAD SIGN AS IT CROSSED OVER I-20. THE TORNADO THEN CROSSED THE MISSISSIPPI RIVER, AND REACHED AROUND ON
Apr 30, 7:16 AM CDT	TORNADO	1 Wsw Delta, LA	PICTURE OF TORNADO ON THE GROUND TAKEN BY LAW ENFORCEMENT IN VICKSBURG. TORNADO DEBRIS SIGNATURE ALSO OBSERVED ON RADAR.
Apr 30, 7:25 AM CDT	TSTM WND DMG	4 N Vicksburg, MS	POWER POLES SNAPPED ALONG NORTH WASHINGTON STREET.

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 30, 1:49 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.7 hours before the alert went out and 89 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: 1340 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1169 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 10.9

Open this sounding in Storm Lab

The text

As transmitted.

719 
WFUS54 KJAN 301143
TORJAN
LAC065-107-MSC149-301245-
/O.NEW.KJAN.TO.W.0052.170430T1143Z-170430T1245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
643 AM CDT SUN APR 30 2017

The National Weather Service in Jackson has issued a

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

* Until 745 AM CDT
    
* At 643 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Newellton, or 20 miles south of Tallulah, 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...
  Afton around 650 AM CDT. 
  Yokena around 700 AM CDT. 
  Vicksburg and Le Tourneau around 705 AM CDT. 
  Bovina around 725 AM CDT. 
  Flowers around 730 AM 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 3244 9108 3244 9096 3242 9096 3244 9095
      3243 9061 3210 9099 3211 9103 3208 9108
      3208 9115 3207 9116 3212 9128
TIME...MOT...LOC 1143Z 223DEG 37KT 3211 9116 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

4 follow-up statements

169 
WWUS54 KJAN 301200
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
700 AM CDT SUN APR 30 2017

LAC107-301210-
/O.CAN.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Tensas LA-
700 AM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR NORTHEASTERN TENSAS 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 AM CDT for northeastern
Louisiana...and west central Mississippi.

LAT...LON 3244 9108 3244 9096 3242 9096 3244 9095
      3243 9061 3210 9099 3218 9111 3221 9114
      3221 9112 3224 9112 3225 9113 3224 9117
      3227 9119
TIME...MOT...LOC 1200Z 220DEG 32KT 3222 9106 

$$

LAC065-MSC149-301245-
/O.CON.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Madison LA-Warren MS-
700 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR
SOUTHEASTERN MADISON PARISH IN NORTHEASTERN LOUISIANA AND CENTRAL
WARREN COUNTIES...
    
At 700 AM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Le Tourneau, or 13 miles southwest of
Vicksburg, moving northeast at 35 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...
  Le Tourneau around 705 AM CDT. 
  Vicksburg around 710 AM 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 3244 9108 3244 9096 3242 9096 3244 9095
      3243 9061 3210 9099 3218 9111 3221 9114
      3221 9112 3224 9112 3225 9113 3224 9117
      3227 9119
TIME...MOT...LOC 1200Z 220DEG 32KT 3222 9106 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

510 
WWUS54 KJAN 301211
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
711 AM CDT SUN APR 30 2017

LAC065-MSC149-301245-
/O.CON.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Madison LA-Warren MS-
711 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR EAST
CENTRAL MADISON PARISH IN NORTHEASTERN LOUISIANA AND CENTRAL WARREN
COUNTIES...
    
At 711 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Le Tourneau, or near Vicksburg, moving northeast at
40 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...
  Vicksburg around 715 AM CDT. 
  Bovina around 730 AM CDT. 
  Flowers around 740 AM 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 3244 9108 3244 9096 3242 9096 3244 9095
      3243 9061 3218 9091 3231 9112
TIME...MOT...LOC 1211Z 223DEG 33KT 3228 9097 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CME

332 
WWUS54 KJAN 301218
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
718 AM CDT SUN APR 30 2017

LAC065-MSC149-301245-
/O.CON.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Madison LA-Warren MS-
718 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR EAST
CENTRAL MADISON PARISH IN NORTHEASTERN LOUISIANA AND CENTRAL WARREN
COUNTIES...
        
At 718 AM CDT, a confirmed tornado was located over Vicksburg, moving
northeast at 40 mph.

HAZARD...Damaging tornado. 

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...
  Bovina around 730 AM CDT. 
  Flowers around 735 AM CDT. 

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

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. 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 3244 9101 3244 9096 3242 9096 3244 9095
      3243 9061 3224 9086 3232 9104
TIME...MOT...LOC 1218Z 222DEG 36KT 3234 9091 

TORNADO...OBSERVED
HAIL...0.00IN

$$

CME

936 
WWUS54 KJAN 301226
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
726 AM CDT SUN APR 30 2017

LAC065-301235-
/O.CAN.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Madison LA-
726 AM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR EAST CENTRAL MADISON 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 AM CDT for northeastern
Louisiana...and west central Mississippi.

LAT...LON 3240 9099 3243 9095 3244 9097 3244 9095
      3243 9061 3229 9080 3232 9090 3236 9088
      3238 9088 3237 9089 3234 9091 3235 9097
      3236 9100
TIME...MOT...LOC 1225Z 215DEG 29KT 3237 9089 

$$

MSC149-301245-
/O.CON.KJAN.TO.W.0052.000000T0000Z-170430T1245Z/
Warren MS-
726 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR CENTRAL
WARREN COUNTY...
        
At 725 AM CDT, a confirmed tornado was located near Vicksburg, moving
northeast at 35 mph.

HAZARD...Damaging tornado. 

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 tornadic thunderstorm will remain over mainly rural areas of
central Warren County.

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. 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 3240 9099 3243 9095 3244 9097 3244 9095
      3243 9061 3229 9080 3232 9090 3236 9088
      3238 9088 3237 9089 3234 9091 3235 9097
      3236 9100
TIME...MOT...LOC 1225Z 215DEG 29KT 3237 9089 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 4:34 AM CDT	Tornado Warning	JAN	Morehouse, Richland, West Carroll	56 min
Apr 30, 4:40 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	50 min
Apr 30, 5:29 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	61 min
Apr 30, 5:47 AM CDT	Severe Thunderstorm Warning	JAN	Tensas	58 min
Apr 30, 6:10 AM CDT	Flash Flood Warning	JAN	Concordia	4 hr
Apr 30, 6:14 AM CDT	Tornado Warning	JAN	Concordia	34 min
Apr 30, 6:34 AM CDT	Severe Thunderstorm Warning	JAN	Madison, Tensas	56 min
Apr 30, 6:41 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	49 min
Apr 30, 6:50 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	55 min
Apr 30, 7:20 AM CDT	Tornado Warning Tornado observed	JAN	Issaquena, Sharkey, Warren, Yazoo	55 min
Apr 30, 7:21 AM CDT	Tornado Warning	JAN	Claiborne, Copiah, Jefferson	39 min
Apr 30, 7:28 AM CDT	Tornado Warning	JAN	Claiborne, Hinds, Warren	62 min
Apr 30, 7:35 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Franklin, Lincoln	40 min
Apr 30, 7:56 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Madison, Rankin, Simpson	64 min
Apr 30, 7:57 AM CDT	Tornado Warning	JAN	Hinds	48 min
Apr 30, 8:01 AM CDT	Tornado Warning	JAN	Copiah, Hinds, Rankin	44 min
Apr 30, 8:06 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Yazoo	54 min
Apr 30, 8:12 AM CDT	Flash Flood Warning	JAN	Franklin, Lincoln	3 hr
Apr 30, 8:13 AM CDT	Tornado Warning	JAN	Hinds, Madison, Warren, Yazoo	62 min
Apr 30, 8:20 AM CDT	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	55 min
Apr 30, 8:31 AM CDT	Tornado Warning	JAN	Hinds, Madison	59 min
Apr 30, 8:59 AM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Simpson, Smith	61 min
Apr 30, 9:00 AM CDT	Flash Flood Warning	JAN	Humphreys, Issaquena, Sharkey, Warren, Yazoo	3 hr
Apr 30, 9:05 AM CDT	Tornado Warning Tornado observed	JAN	Attala, Holmes, Madison, Yazoo	55 min
Apr 30, 9:09 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore	66 min
Apr 30, 9:18 AM CDT	Tornado Warning	JAN	Scott	42 min
Apr 30, 9:30 AM CDT	Flash Flood Warning	JAN	Attala, Holmes, Humphreys, Madison	3 hr
Apr 30, 9:37 AM CDT	Tornado Warning	JAN	Carroll, Holmes, Montgomery	53 min
Apr 30, 9:48 AM CDT	Tornado Warning Tornado observed	JAN	Leake, Neshoba, Newton, Scott	57 min
Apr 30, 9:50 AM CDT	Severe Thunderstorm Warning	JAN	Grenada, Leflore	40 min
Apr 30, 9:50 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lamar, Marion	55 min
Apr 30, 9:53 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Montgomery, Webster	52 min
Apr 30, 9:54 AM CDT	Flash Flood Warning	JAN	Copiah, Covington, Jefferson Davis, Lawrence, Simpson, Smith	3 hr
Apr 30, 10:05 AM CDT	Tornado Warning	JAN	Montgomery, Webster	27 min
Apr 30, 10:07 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	38 min
Apr 30, 10:16 AM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery	22 min
Apr 30, 10:22 AM CDT	Tornado Warning	JAN	Grenada	23 min
Apr 30, 10:33 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	57 min
Apr 30, 10:43 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Forrest, Jones, Lamar	62 min
Apr 30, 10:45 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Noxubee	60 min
Apr 30, 10:59 AM CDT	Tornado Warning	JAN	Kemper, Noxubee	43 min
Apr 30, 11:12 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar, Marion	3 hr
Apr 30, 11:24 AM CDT	Severe Thunderstorm Warning	JAN	Lowndes	36 min
Apr 30, 11:33 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones	3 hr
Apr 30, 11:42 AM CDT	Tornado Warning	JAN	Lowndes	8 min
Apr 30, 12:31 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	34 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.