Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 40, NWS Jackson, MS

April 2, 2017East Carroll Parish, Louisiana; Issaquena County, Washington County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 2, 2017, 5:14 PM CDT for East Carroll Parish, Louisiana; Issaquena County, Washington County, Mississippi. It was in force for 46 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: Apr 2, 2017, 5:14 PM CDT (22:14 UTC)
Expired: Apr 2, 2017, 6:00 PM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties East Carroll Parish, LA, Issaquena County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 135 km from the middle of the area, began a volume at 22:17 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.

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, 10.2 hours before the alert went out and 125 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.

441 
WFUS54 KJAN 022214
TORJAN
LAC035-MSC055-151-022300-
/O.NEW.KJAN.TO.W.0040.170402T2214Z-170402T2300Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern East Carroll Parish in northeastern Louisiana...
  Southwestern Washington County in northwestern Mississippi...
  Northwestern Issaquena County in west central Mississippi...

* Until 600 PM CDT
    
* At 514 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lake Providence, moving northeast at 40 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...
  Millikin around 525 PM CDT. 
  Glen Allan around 540 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Mayersville.

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 3300 9120 3300 9117 3302 9116 3303 9114
      3304 9113 3306 9112 3308 9115 3312 9113
      3292 9092 3273 9121 3282 9132
TIME...MOT...LOC 2214Z 220DEG 35KT 3284 9121 

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

$$

EC

1 follow-up statement

373 
WWUS54 KJAN 022236
SVSJAN

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

LAC035-MSC055-151-022300-
/O.CON.KJAN.TO.W.0040.000000T0000Z-170402T2300Z/
East Carroll LA-Washington MS-Issaquena MS-
536 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHEASTERN EAST CARROLL PARISH...SOUTHWESTERN WASHINGTON AND
NORTHWESTERN ISSAQUENA COUNTIES...
    
At 535 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Shelburn, or near Lake Providence, 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...
  Glen Allan around 600 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Mayersville.

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 3300 9120 3300 9117 3302 9116 3303 9114
      3304 9113 3306 9112 3308 9115 3312 9113
      3292 9092 3284 9112 3291 9121
TIME...MOT...LOC 2235Z 222DEG 28KT 3285 9120 

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, 5:28 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
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 Mississippi, 2017 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.