Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 76, NWS Jackson, MS

August 30, 2017Covington County, Jefferson Davis County, Marion County, Mississippi

NWS Jackson, MS issued this tornado warning at Aug 30, 2017, 11:55 AM CDT for Covington County, Jefferson Davis County, Marion County, Mississippi. It was in force for 65 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
Aug 30, 2017, 11:55 AM CDT (16:55 UTC)
Expired
Aug 30, 2017, 1:00 PM CDT
In force
65 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Covington County, MS, Jefferson Davis County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 16:58 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
Aug 30, 12:32 PM CDTTSTM WND DMG5 N Bassfield, MSTREE DOWN ON A VEHICLE ON WILLIAMS LN.
Aug 30, 12:35 PM CDTTORNADO5 N Bassfield, MSTHIS BRIEF TORNADO TOUCHED DOWN AT WILLIAMS LN, JUST OFF HIGHWAY 35, AND TRACKED NORTH FOR ABOUT 1 MILE. AT WILLIAMS LN, A LARGE TREE WAS BLOWN DOWN ONTO A TRUCK, THE TREE WAS LAID TO THE WEST. OTHER LARGE LIMBS AND TREE DEBRIS WAS ALSO BLOWN DOWN HERE AND LAI

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
Aug 30, 10:22 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.9 hours before the alert went out and 93 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 2017-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 273 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 12:00Z on 2017-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.19395878Sfc1 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
273 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

636 
WFUS54 KJAN 301655
TORJAN
MSC031-065-091-301800-
/O.NEW.KJAN.TO.W.0076.170830T1655Z-170830T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1155 AM CDT WED AUG 30 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Marion County in south central Mississippi...
  Northwestern Covington County in southeastern Mississippi...
  Jefferson Davis County in south central Mississippi...

* Until 100 PM CDT
    
* At 1154 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Columbia, moving north 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...
  Bunker Hill and Society Hill around 1205 PM CDT. 
  Carson around 1220 PM CDT. 
  Prentiss around 1230 PM CDT. 
  Lone Star around 1235 PM CDT. 
  Clem around 1245 PM CDT. 
  Mount Olive around 1250 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bassfield.

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 3127 8990 3173 8998 3176 8997 3178 8958
      3124 8971
TIME...MOT...LOC 1654Z 185DEG 29KT 3132 8980 

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

$$

17
5 follow-up statements
751 
WWUS54 KJAN 301709
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1209 PM CDT WED AUG 30 2017

MSC031-065-091-301800-
/O.CON.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Marion MS-Covington MS-Jefferson Davis MS-
1209 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHEASTERN MARION...NORTHWESTERN COVINGTON AND JEFFERSON DAVIS
COUNTIES...
    
At 1209 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bunker Hill, or 11 miles north of Columbia, moving
north at 25 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...
  Carson around 1230 PM CDT. 
  Lone Star around 1245 PM CDT. 
  Clem around 1255 PM CDT. 
  Mount Olive around 100 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bassfield.

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 3138 8983 3176 8994 3178 8958 3137 8970
TIME...MOT...LOC 1709Z 186DEG 23KT 3141 8976 

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

$$

CME
946 
WWUS54 KJAN 301719
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1219 PM CDT WED AUG 30 2017

MSC091-301729-
/O.CAN.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Marion MS-
1219 PM CDT WED AUG 30 2017

...THE TORNADO WARNING FOR NORTHEASTERN MARION 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 600 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3144 8981 3176 8987 3178 8958 3144 8968
      3143 8973
TIME...MOT...LOC 1719Z 185DEG 29KT 3149 8975 

$$

MSC031-065-301800-
/O.CON.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Covington MS-Jefferson Davis MS-
1219 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHWESTERN COVINGTON AND CENTRAL JEFFERSON DAVIS COUNTIES...
    
At 1219 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Carson, or 15 miles southwest of Collins, moving
north 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...
  Lone Star around 1235 PM CDT. 
  Clem around 1245 PM CDT. 
  Mount Olive around 1255 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bassfield.

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 3144 8981 3176 8987 3178 8958 3144 8968
      3143 8973
TIME...MOT...LOC 1719Z 185DEG 29KT 3149 8975 

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

$$

CME
136 
WWUS54 KJAN 301727
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1227 PM CDT WED AUG 30 2017

MSC031-065-301800-
/O.CON.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Covington MS-Jefferson Davis MS-
1227 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHWESTERN COVINGTON AND CENTRAL JEFFERSON DAVIS COUNTIES...
    
At 1227 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Carson, or 13 miles southwest of Collins, moving
north at 30 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...
  Lone Star around 1245 PM CDT. 
  Clem around 1255 PM CDT. 
  Mount Olive around 100 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bassfield.

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 3149 8981 3176 8983 3177 8968 3178 8960
      3150 8971
TIME...MOT...LOC 1727Z 184DEG 25KT 3153 8975 

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

$$

CME
638 
WWUS54 KJAN 301741
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1241 PM CDT WED AUG 30 2017

MSC031-065-301800-
/O.CON.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Covington MS-Jefferson Davis MS-
1241 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHWESTERN COVINGTON AND CENTRAL JEFFERSON DAVIS COUNTIES...
    
At 1241 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lone Star, or 11 miles west of Collins, moving north
at 30 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...
  Clem around 1255 PM CDT. 
  Mount Olive around 100 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 3150 8975 3159 8979 3176 8983 3177 8968
      3178 8960 3150 8971
TIME...MOT...LOC 1741Z 181DEG 25KT 3162 8976 

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

$$

CME
819 
WWUS54 KJAN 301750
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1250 PM CDT WED AUG 30 2017

MSC031-065-301800-
/O.CON.KJAN.TO.W.0076.000000T0000Z-170830T1800Z/
Covington MS-Jefferson Davis MS-
1250 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHWESTERN COVINGTON AND NORTH CENTRAL JEFFERSON DAVIS COUNTIES...
    
At 1250 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lone Star, or 12 miles west of Collins, moving north
at 25 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...
  Mount Olive and Clem around 100 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 3156 8971 3158 8979 3159 8979 3176 8983
      3177 8968 3178 8960 3157 8968
TIME...MOT...LOC 1750Z 174DEG 23KT 3166 8977 

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

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 9:43 AM CDTSpecial Weather StatementJANLamar32 min
Aug 30, 9:50 AM CDTSevere Thunderstorm WarningJANForrest, Lamar55 min
Aug 30, 10:05 AM CDTTornado WarningJANForrest, Lamar40 min
Aug 30, 10:38 AM CDTTornado WarningJANForrest, Lamar52 min
Aug 30, 10:43 AM CDTTornado WarningJANCovington, Forrest, Jones, Lamar62 min
Aug 30, 11:36 AM CDTSpecial Weather StatementJANMarion24 min
Aug 30, 11:50 AM CDTTornado Warning Tornado observedJANForrest, Jones25 min
Aug 30, 12:18 PM CDTTornado WarningJANForrest, Jones57 min
Aug 30, 12:55 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Franklin, Jefferson, Lincoln50 min
Aug 30, 1:14 PM CDTSevere Thunderstorm WarningJANForrest46 min
Aug 30, 1:44 PM CDTSpecial Weather StatementJANJones31 min
Aug 30, 1:48 PM CDTSpecial Weather StatementJANCopiah42 min
Aug 30, 2:06 PM CDTSpecial Weather StatementJANSmith24 min
Aug 30, 2:27 PM CDTSpecial Weather StatementJANHinds48 min
Aug 30, 2:33 PM CDTSpecial Weather StatementJANSmith27 min
Aug 30, 2:45 PM CDTTornado WarningJANHinds, Warren33 min
Aug 30, 3:24 PM CDTSpecial Weather StatementJANHumphreys36 min
Aug 30, 3:53 PM CDTSpecial Weather StatementJANSimpson37 min
Aug 30, 3:57 PM CDTSpecial Weather StatementJANSimpson48 min
Aug 30, 4:38 PM CDTSpecial Weather StatementJANRankin37 min

Nearby

Tornado Warnings in Mississippi, 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.