Alert archive / Louisiana / Tornado Warnings in 2017

Tornado Warning 45, NWS Jackson, MS

April 2, 2017Madison Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 2, 2017, 6:05 PM CDT for Madison Parish, Tensas Parish, Louisiana. It was in force for 25 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, 6:05 PM CDT (23:05 UTC)
Expired
Apr 2, 2017, 6:30 PM CDT
In force
25 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Madison Parish, LA, Tensas Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 110 km from the middle of the area, began a volume at 23:08 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

TimeReportWhereRemark
Apr 2, 6:05 PM CDTTSTM WND DMG6 N Newellton, LATREES AND LIMBS DOWN ON HIGHWAY 65.

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.

IssuedProductOfficeLasted
Apr 2, 1:34 PM CDTTornado Watch PDSSPC7 hr
Apr 2, 4:52 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.1 hours before the alert went out and 102 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2017-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

445 
WFUS54 KJAN 022305
TORJAN
LAC065-107-022330-
/O.NEW.KJAN.TO.W.0045.170402T2305Z-170402T2330Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Tensas Parish in northeastern Louisiana...
  South central Madison Parish in northeastern Louisiana...

* Until 630 PM CDT
    
* At 604 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Somerset, or 17 miles south of Tallulah, 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...
  Afton around 610 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. 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 3216 9137 3231 9113 3223 9108 3221 9111
      3221 9113 3220 9116 3217 9117 3214 9117
      3212 9112 3213 9107 3213 9105 3218 9106
      3218 9105 3213 9102 3208 9113 3208 9115
      3206 9116 3202 9125
TIME...MOT...LOC 2304Z 234DEG 34KT 3215 9122 

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

$$

7

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:54 AM CDTFlash Flood WatchJANCatahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more28 hr
Apr 2, 12:17 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland43 min
Apr 2, 12:59 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland46 min
Apr 2, 1:10 PM CDTSevere Thunderstorm WarningJANMorehouse50 min
Apr 2, 1:33 PM CDTSevere Thunderstorm WarningJANMorehouse27 min
Apr 2, 3:09 PM CDTSpecial Weather StatementJANMorehouse36 min
Apr 2, 4:02 PM CDTSevere Thunderstorm WarningJANMorehouse58 min
Apr 2, 4:12 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland48 min
Apr 2, 4:18 PM CDTTornado WarningJANFranklin, Richland57 min
Apr 2, 4:28 PM CDTTornado WarningJANCatahoula, Franklin62 min
Apr 2, 4:41 PM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll64 min
Apr 2, 4:52 PM CDTTornado WarningJANFranklin, Richland38 min
Apr 2, 5:01 PM CDTTornado WarningJANFranklin44 min
Apr 2, 5:10 PM CDTTornado WarningJANRichland28 min
Apr 2, 5:14 PM CDTTornado WarningJANEast Carroll46 min
Apr 2, 5:28 PM CDTSevere Thunderstorm WarningJANCatahoula, Franklin47 min
Apr 2, 5:33 PM CDTTornado WarningJANCatahoula, Franklin42 min
Apr 2, 5:34 PM CDTTornado WarningJANFranklin, Madison, Tensas41 min
Apr 2, 5:40 PM CDTSevere Thunderstorm WarningJANEast Carroll, Richland, West Carroll50 min
Apr 2, 5:46 PM CDTSevere Thunderstorm WarningJANTensas44 min
Apr 2, 5:59 PM CDTTornado WarningJANFranklin, Madison, Tensas26 min
Apr 2, 6:15 PM CDTTornado WarningJANMadison, Tensas60 min
Apr 2, 6:40 PM CDTFlash Flood WarningJANCatahoula, Franklin, Madison, Richland, Tensas4 hr

Nearby

Tornado Warnings in Louisiana, 2017Every tornado warning in 2017Tornadoes 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.