Alert archive / Louisiana / Tornado Warnings in 2017

Tornado Warning 51, NWS Jackson, MS

April 30, 2017Concordia Parish, Louisiana; Adams County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 30, 2017, 6:14 AM CDT for Concordia Parish, Louisiana; Adams County, Mississippi. It was in force for 34 min. 2 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, 6:14 AM CDT (11:14 UTC)
Expired: Apr 30, 2017, 6:48 AM CDT
In force: 34 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Concordia Parish, LA, Adams County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 30, 6:14 AM CDT	TORNADO	4 Ssw Natchez, MS	THE TORNADO BEGAN ALONG BOURKE ROAD AND UPROOTED NUMEROUS TREES ALONG ITS PATH. THE WORST DAMAGE OCCURRED IN THE CLOVERDALE AREA. HERE, A LARGE TREE DESTROYED A HOME ALONG CLOVERDALE DR. THE STRONGEST POINT OF THE TORNADO OCCURRED ALONG CLOVERDALE ROAD, WHERE
Apr 30, 6:20 AM CDT	TSTM WND DMG	4 Ssw Natchez, MS	NUMEROUS TREES REPORTED DOWN ALONG CLOVERDALE AND BOURKE ROADS. POWER OUTAGES AND DAMAGE TO VEHICLES ALSO REPORTED.

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, 11.2 hours before the alert went out and 154 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.

485 
WFUS54 KJAN 301114
TORJAN
LAC029-MSC001-301200-
/O.NEW.KJAN.TO.W.0051.170430T1114Z-170430T1200Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  East central Concordia Parish in northeastern Louisiana...
  Central Adams County in southwestern Mississippi...

* Until 700 AM CDT
    
* At 614 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Sibley, or 7 miles southwest of Natchez, 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...
  Natchez and Vidalia around 625 AM CDT. 
  Cranfield around 640 AM CDT. 
  Stanton around 645 AM CDT. 

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 3136 9148 3139 9146 3144 9151 3142 9154
      3143 9155 3145 9151 3153 9152 3175 9133
      3167 9130 3165 9127 3163 9123 3163 9115
      3157 9116 3133 9144
TIME...MOT...LOC 1114Z 224DEG 28KT 3146 9146 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DL

5 follow-up statements

933 
WWUS54 KJAN 301119
SVSJAN

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

LAC029-MSC001-301200-
/O.CON.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Concordia LA-Adams MS-
619 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR EAST
CENTRAL CONCORDIA PARISH IN NORTHEASTERN LOUISIANA AND CENTRAL ADAMS
COUNTIES...
        
At 619 AM CDT, a confirmed tornado was located near Natchez, moving
northeast at 30 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...
  Natchez around 625 AM CDT. 
  Stanton and Cranfield around 645 AM 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. 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 3141 9141 3143 9147 3145 9151 3153 9152
      3175 9133 3167 9130 3165 9127 3163 9123
      3163 9115 3157 9116 3140 9136
TIME...MOT...LOC 1119Z 229DEG 27KT 3147 9142 

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

$$

DL

368 
WWUS54 KJAN 301121
SVSJAN

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

LAC029-MSC001-301200-
/O.CON.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Concordia LA-Adams MS-
621 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR EAST
CENTRAL CONCORDIA PARISH IN NORTHEASTERN LOUISIANA AND NORTHEASTERN
ADAMS COUNTIES...
        
At 620 AM CDT, a confirmed large and extremely dangerous tornado was
located near Natchez, moving northeast at 35 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Natchez around 625 AM CDT. 
  Stanton around 640 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3147 9144 3148 9148 3153 9152 3175 9133
      3167 9130 3165 9127 3163 9123 3163 9115
      3157 9116 3144 9136
TIME...MOT...LOC 1120Z 215DEG 31KT 3151 9142 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

DL

611 
WWUS54 KJAN 301130
SVSJAN

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

LAC029-MSC001-301200-
/O.CON.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Concordia LA-Adams MS-
630 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR EAST
CENTRAL CONCORDIA PARISH IN NORTHEASTERN LOUISIANA AND NORTHEASTERN
ADAMS COUNTIES...
        
At 630 AM CDT, a confirmed tornado was located near Natchez, 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
east central Concordia Parish in northeastern Louisiana and
northeastern Adams Counties.

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 3150 9145 3153 9152 3175 9133 3167 9130
      3165 9127 3163 9123 3149 9138
TIME...MOT...LOC 1130Z 215DEG 29KT 3159 9138 

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

$$

DL

897 
WWUS54 KJAN 301136
SVSJAN

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

LAC029-301145-
/O.CAN.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Concordia LA-
636 AM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR EAST CENTRAL CONCORDIA 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 southwestern Mississippi.

LAT...LON 3150 9142 3156 9142 3158 9140 3159 9141
      3162 9141 3162 9140 3164 9139 3167 9140
      3175 9133 3167 9130 3163 9123 3149 9138
TIME...MOT...LOC 1135Z 225DEG 30KT 3163 9132 

$$

MSC001-301200-
/O.CON.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Adams MS-
636 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
NORTHEASTERN ADAMS COUNTY...
    
At 635 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Stanton, or near Natchez, 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. 

Locations impacted include...
Natchez.

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 3150 9142 3156 9142 3158 9140 3159 9141
      3162 9141 3162 9140 3164 9139 3167 9140
      3175 9133 3167 9130 3163 9123 3149 9138
TIME...MOT...LOC 1135Z 225DEG 30KT 3163 9132 

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

$$

CME

770 
WWUS54 KJAN 301148
SVSJAN

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

MSC001-301158-
/O.CAN.KJAN.TO.W.0051.000000T0000Z-170430T1200Z/
Adams MS-
648 AM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR NORTHEASTERN ADAMS COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

A tornado watch remains in effect until 900 AM CDT for northeastern
Louisiana...and southwestern Mississippi.

LAT...LON 3150 9142 3156 9142 3158 9140 3159 9141
      3162 9141 3162 9140 3164 9139 3167 9140
      3175 9133 3167 9130 3163 9123 3149 9138
TIME...MOT...LOC 1147Z 224DEG 28KT 3170 9124 

$$

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, 6:34 AM CDT	Severe Thunderstorm Warning	JAN	Madison, Tensas	56 min
Apr 30, 6:43 AM CDT	Tornado Warning	JAN	Madison, Tensas	62 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.