Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 77, NWS Jackson, MS

August 30, 2017Forrest County, Jones County, Mississippi

NWS Jackson, MS issued this tornado warning at Aug 30, 2017, 12:18 PM CDT for Forrest County, Jones County, Mississippi. It was in force for 57 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
Aug 30, 2017, 12:18 PM CDT (17:18 UTC)
Expired
Aug 30, 2017, 1:15 PM CDT
In force
57 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Forrest County, MS, Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 121 km from the middle of the area, began a volume at 17:18 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.

IssuedProductOfficeLasted
Aug 30, 10:22 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.3 hours before the alert went out and 130 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.

370 
WFUS54 KJAN 301718
TORJAN
MSC035-067-301815-
/O.NEW.KJAN.TO.W.0077.170830T1718Z-170830T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1218 PM CDT WED AUG 30 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Forrest County in southeastern Mississippi...
  Jones County in southeastern Mississippi...

* Until 115 PM CDT
    
* At 1218 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Macedonia, or 7 miles east of Petal,
  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...
  Ovett around 1235 PM CDT. 
  Ellisville around 1245 PM CDT. 
  Laurel and Tuckers Crossing around 1250 PM CDT. 
  Sandersville around 110 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Soso.

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 8930 3180 8934 3182 8896 3144 8895
      3143 8895 3143 8914 3127 8915
TIME...MOT...LOC 1718Z 178DEG 31KT 3135 8913 

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

$$

17
3 follow-up statements
941 
WWUS54 KJAN 301735
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1235 PM CDT WED AUG 30 2017

MSC035-301744-
/O.CAN.KJAN.TO.W.0077.000000T0000Z-170830T1815Z/
Forrest MS-
1235 PM CDT WED AUG 30 2017

...THE TORNADO WARNING FOR NORTHEASTERN FORREST 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 southeastern
Mississippi.

LAT...LON 3180 8934 3182 8896 3143 8895 3143 8931
TIME...MOT...LOC 1734Z 180DEG 25KT 3144 8912 

$$

MSC067-301815-
/O.CON.KJAN.TO.W.0077.000000T0000Z-170830T1815Z/
Jones MS-
1235 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR JONES
COUNTY...
    
At 1234 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Macedonia, or 10 miles northeast of Petal, 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...
  Ovett around 1240 PM CDT. 
  Ellisville around 1255 PM CDT. 
  Laurel and Tuckers Crossing around 100 PM CDT. 
  Sandersville around 115 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Soso.

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 3180 8934 3182 8896 3143 8895 3143 8931
TIME...MOT...LOC 1734Z 180DEG 25KT 3144 8912 

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

$$

17
513 
WWUS54 KJAN 301745
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1245 PM CDT WED AUG 30 2017

MSC067-301815-
/O.CON.KJAN.TO.W.0077.000000T0000Z-170830T1815Z/
Jones MS-
1245 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR JONES
COUNTY...
    
At 1245 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Ovett, or 7 miles southeast of Ellisville, 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...
  Laurel, Ellisville and Tuckers Crossing around 1255 PM CDT. 
  Sandersville around 115 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Soso.

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 3180 8934 3182 8896 3147 8903 3147 8925
      3160 8930
TIME...MOT...LOC 1745Z 178DEG 30KT 3153 8912 

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

$$

17
679 
WWUS54 KJAN 301801
SVSJAN

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

MSC067-301815-
/O.CON.KJAN.TO.W.0077.000000T0000Z-170830T1815Z/
Jones MS-
101 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
NORTHEASTERN JONES COUNTY...
    
At 101 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Tuckers Crossing, or near Laurel, 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...
  Laurel around 105 PM CDT. 
  Sandersville around 115 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 3160 8900 3157 8922 3161 8922 3180 8925
      3182 8896
TIME...MOT...LOC 1801Z 177DEG 27KT 3164 8913 

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

$$

17

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, 11:55 AM CDTTornado WarningJANCovington, Jefferson Davis, Marion65 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.