Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 19, NWS Jackson, MS

January 21, 2017Concordia Parish, Louisiana; Adams County, Jefferson County, Mississippi

NWS Jackson, MS issued this tornado warning at Jan 21, 2017, 8:31 PM CST for Concordia Parish, Louisiana; Adams County, Jefferson County, Mississippi. It was in force for 41 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
Jan 21, 2017, 8:31 PM CST (02:31 UTC)
Expired
Jan 21, 2017, 9:12 PM CST
In force
41 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Concordia Parish, LA, Adams County, MS, Jefferson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 134 km from the middle of the area, began a volume at 02:33 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
Jan 21, 8:52 PM CSTHAIL 1.75Church Hill, MSGOLF BALL SIZE HAIL ESTIMATED IN THE CHURCH HILL AREA

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
Jan 21, 3:29 PM CSTTornado WatchSPC6 hr
Jan 21, 7:50 PM CSTTornado WatchSPC4 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.5 hours before the alert went out and 128 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 00:00Z on 2017-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1036 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.1939587897Sfc1 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
1036 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

790 
WFUS54 KJAN 220231
TORJAN
LAC029-MSC001-063-220330-
/O.NEW.KJAN.TO.W.0019.170122T0231Z-170122T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
831 PM CST SAT JAN 21 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Concordia Parish in northeastern Louisiana...
  Northeastern Adams County in southwestern Mississippi...
  Central Jefferson County in southwestern Mississippi...

* Until 930 PM CST
    
* At 831 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Vidalia, moving northeast at 30 mph.

  HAZARD...Tornado and golf ball 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...
  Stanton around 850 PM CST. 
  Church Hill around 855 PM CST. 
  Fayette around 915 PM CST. 
  Lorman around 925 PM CST. 

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 3175 9135 3175 9127 3176 9126 3177 9128
      3176 9134 3177 9133 3181 9128 3181 9126
      3182 9125 3184 9125 3187 9122 3186 9103
      3166 9091 3161 9107 3161 9115 3158 9116
      3149 9142 3164 9147
TIME...MOT...LOC 0231Z 234DEG 25KT 3162 9142 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

DB
2 follow-up statements
551 
WWUS54 KJAN 220304
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
904 PM CST SAT JAN 21 2017

LAC029-MSC001-220314-
/O.CAN.KJAN.TO.W.0019.000000T0000Z-170122T0330Z/
Concordia LA-Adams MS-
904 PM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR NORTHEASTERN CONCORDIA PARISH IN
NORTHEASTERN LOUISIANA AND NORTHEASTERN ADAMS COUNTIES 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 300 AM CST for southwestern
Mississippi.

LAT...LON 3163 9115 3163 9124 3169 9127 3186 9103
      3166 9091 3162 9106 3162 9115
TIME...MOT...LOC 0304Z 254DEG 29KT 3165 9119 

$$

MSC063-220330-
/O.CON.KJAN.TO.W.0019.000000T0000Z-170122T0330Z/
Jefferson MS-
904 PM CST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CST FOR CENTRAL
JEFFERSON COUNTY...
    
At 904 PM CST, a severe thunderstorm capable of producing a tornado
was located near Stanton, or 13 miles northeast of Natchez, moving
east 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...
  Stampley around 910 PM CST. 
  Fayette and Mcnair around 920 PM CST. 

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 3163 9115 3163 9124 3169 9127 3186 9103
      3166 9091 3162 9106 3162 9115
TIME...MOT...LOC 0304Z 254DEG 29KT 3165 9119 

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

$$

DB
718 
WWUS54 KJAN 220312
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
912 PM CST SAT JAN 21 2017

MSC063-220321-
/O.CAN.KJAN.TO.W.0019.000000T0000Z-170122T0330Z/
Jefferson MS-
912 PM CST SAT JAN 21 2017

...THE TORNADO WARNING FOR CENTRAL JEFFERSON 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.

A tornado watch remains in effect until 300 AM CST for southwestern
Mississippi.

LAT...LON 3163 9115 3163 9124 3169 9127 3186 9103
      3166 9091 3162 9106 3162 9115
TIME...MOT...LOC 0310Z 234DEG 25KT 3168 9114 

$$

DB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 7:08 PM CSTSevere Thunderstorm WarningJANCatahoula, Concordia82 min
Jan 21, 7:24 PM CSTTornado WarningJANCatahoula, Concordia66 min
Jan 21, 8:18 PM CSTSevere Thunderstorm WarningJANConcordia, Tensas57 min
Jan 21, 8:43 PM CSTTornado WarningJANCatahoula, Concordia17 min
Jan 21, 8:46 PM CSTTornado WarningJANMorehouse, West Carroll59 min
Jan 21, 9:38 PM CSTSevere Thunderstorm WarningJANEast Carroll, West Carroll67 min
Jan 21, 9:43 PM CSTSevere Thunderstorm WarningJANEast Carroll, Morehouse, West Carroll47 min
Jan 22, 5:18 AM CSTWind AdvisoryJANEast Carroll, Morehouse, West Carroll22 hr
Jan 21, 7:43 PM CSTSpecial Weather StatementJANForrest32 min
Jan 21, 7:47 PM CSTSpecial Weather StatementJANRankin43 min
Jan 21, 7:49 PM CSTSevere Thunderstorm WarningJANForrest26 min
Jan 21, 8:02 PM CSTSpecial Weather StatementJANWarren28 min
Jan 21, 8:05 PM CSTSevere Thunderstorm WarningJANHinds, Warren55 min
Jan 21, 8:09 PM CSTSevere Thunderstorm WarningJANJefferson36 min
Jan 21, 8:15 PM CSTSevere Thunderstorm WarningJANRankin60 min
Jan 21, 8:35 PM CSTSevere Thunderstorm WarningJANHinds, Madison, Rankin43 min
Jan 21, 8:36 PM CSTTornado WarningJANCopiah, Franklin, Jefferson, Lincoln54 min
Jan 21, 8:50 PM CSTSevere Thunderstorm WarningJANForrest, Lamar55 min
Jan 21, 8:56 PM CSTSevere Thunderstorm WarningJANMadison, Yazoo45 min
Jan 21, 8:57 PM CSTSevere Thunderstorm WarningJANScott63 min
Jan 21, 9:04 PM CSTTornado WarningJANHinds, Madison13 min
Jan 21, 9:05 PM CSTTornado WarningJANScott55 min
Jan 21, 9:20 PM CSTSevere Thunderstorm WarningJANBolivar, Washington55 min
Jan 21, 9:26 PM CSTSevere Thunderstorm WarningJANRankin, Simpson47 min
Jan 21, 9:44 PM CSTSevere Thunderstorm WarningJANNeshoba, Newton41 min
Jan 21, 9:44 PM CSTSevere Thunderstorm WarningJANRankin, Smith46 min
Jan 21, 9:53 PM CSTSevere Thunderstorm WarningJANRankin24 min
Jan 21, 9:58 PM CSTTornado WarningJANNeshoba, Newton12 min
Jan 21, 10:02 PM CSTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington43 min
Jan 21, 10:08 PM CSTSevere Thunderstorm WarningJANSmith41 min
Jan 21, 10:12 PM CSTSevere Thunderstorm WarningJANLauderdale, Newton63 min
Jan 21, 10:28 PM CSTSevere Thunderstorm WarningJANHumphreys, Issaquena, Sharkey, Washington, Yazoo36 min
Jan 21, 10:38 PM CSTSpecial Weather StatementJANNeshoba, Newton52 min
Jan 21, 11:02 PM CSTSpecial Weather StatementJANHolmes, Yazoo43 min
Jan 21, 11:17 PM CSTSpecial Weather StatementJANClarke, Kemper, Lauderdale43 min
Jan 22, 6:27 AM CSTSpecial Weather StatementJANJasper, Smith48 min
Jan 22, 3:40 PM CSTSpecial Weather StatementJANMadison35 min
Jan 22, 3:42 PM CSTSpecial Weather StatementJANChoctaw33 min
Jan 22, 4:17 PM CSTSpecial Weather StatementJANLauderdale28 min
Jan 22, 4:47 PM CSTSpecial Weather StatementJANKemper28 min

Nearby

Tornado Warnings in Mississippi, 2017Tornado 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.