Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 43, NWS Jackson, MS

April 2, 2017Issaquena County, Sharkey County, Washington County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 2, 2017, 5:48 PM CDT for Issaquena County, Sharkey County, Washington County, Mississippi. It was in force for 42 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, 5:48 PM CDT (22:48 UTC)
Expired: Apr 2, 2017, 6:30 PM CDT
In force: 42 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Issaquena County, MS, Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 120 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 111 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.

263 
WFUS54 KJAN 022248
TORJAN
MSC055-125-151-022330-
/O.NEW.KJAN.TO.W.0043.170402T2248Z-170402T2330Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southeastern Washington County in northwestern Mississippi...
  North central Issaquena County in west central Mississippi...
  Northwestern Sharkey County in west central Mississippi...

* Until 630 PM CDT
    
* At 548 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Shelburn, or near Lake Providence, moving
  northeast at 35 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 605 PM CDT. 
  Grace around 610 PM CDT. 
  Panther Burn and Nitta Yuma around 620 PM CDT. 
  Delta City around 625 PM CDT. 
  Hollandale and Estill around 630 PM 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. 

&&

LAT...LON 3331 9087 3314 9070 3312 9070 3312 9069
      3311 9069 3311 9068 3310 9068 3309 9069
      3293 9093 3308 9109
TIME...MOT...LOC 2248Z 223DEG 30KT 3290 9113 

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

$$

EC

1 follow-up statement

496 
WWUS54 KJAN 022305
SVSJAN

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

MSC055-022314-
/O.CAN.KJAN.TO.W.0043.000000T0000Z-170402T2330Z/
Issaquena MS-
605 PM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR NORTH CENTRAL ISSAQUENA COUNTY 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 central,
northwestern and west central Mississippi.

LAT...LON 3331 9087 3314 9070 3312 9070 3312 9069
      3311 9069 3311 9068 3310 9068 3309 9069
      3304 9088 3314 9097
TIME...MOT...LOC 2304Z 235DEG 27KT 3311 9088 

$$

MSC125-151-022330-
/O.CON.KJAN.TO.W.0043.000000T0000Z-170402T2330Z/
Washington MS-Sharkey MS-
605 PM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN WASHINGTON AND NORTH CENTRAL SHARKEY COUNTIES...
    
At 604 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Panther Burn, or near Hollandale, 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...
  Hollandale around 610 PM CDT. 
  Estill around 615 PM CDT. 
  Murphy around 620 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Arcola.

LAT...LON 3331 9087 3314 9070 3312 9070 3312 9069
      3311 9069 3311 9068 3310 9068 3309 9069
      3304 9088 3314 9097
TIME...MOT...LOC 2304Z 235DEG 27KT 3311 9088 

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	Adams, Claiborne, Clarke, Copiah, Covington, Forrest and 24 more	28 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, 4:41 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Issaquena, Washington	64 min
Apr 2, 5:13 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	32 min
Apr 2, 5:14 PM CDT	Tornado Warning	JAN	Issaquena, Washington	46 min
Apr 2, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	66 min
Apr 2, 6:02 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	28 min
Apr 2, 6:15 PM CDT	Tornado Warning	JAN	Warren	60 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 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.