Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 78, NWS Jackson, MS

August 30, 2017Hinds County, Warren County, Mississippi

NWS Jackson, MS issued this tornado warning at Aug 30, 2017, 2:45 PM CDT for Hinds County, Warren County, Mississippi. It was in force for 33 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, 2:45 PM CDT (19:45 UTC)
Expired
Aug 30, 2017, 3:18 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Hinds County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 63 km from the middle of the area, began a volume at 19:45 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, 7.8 hours before the alert went out and 54 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.

314 
WFUS54 KJAN 301945
TORJAN
MSC049-149-302045-
/O.NEW.KJAN.TO.W.0078.170830T1945Z-170830T2045Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  East central Warren County in west central Mississippi...
  Southwestern Hinds County in central Mississippi...

* Until 345 PM CDT
    
* At 244 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Utica, or 17 miles northwest of Crystal Springs,
  moving north at 20 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...
  Newman around 310 PM CDT. 
  Edwards around 325 PM CDT. 
  Bovina around 340 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Learned.

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 3239 9056 3206 9051 3206 9069 3220 9073
      3222 9073 3237 9078
TIME...MOT...LOC 1944Z 160DEG 16KT 3214 9060 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DC
3 follow-up statements
108 
WWUS54 KJAN 301957
SVSJAN

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

MSC049-149-302045-
/O.CON.KJAN.TO.W.0078.000000T0000Z-170830T2045Z/
Warren MS-Hinds MS-
257 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL WARREN AND SOUTHWESTERN HINDS COUNTIES...
    
At 256 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Newman, or 17 miles southeast of Vicksburg, moving
north at 20 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...
  Newman around 300 PM CDT. 
  Edwards around 320 PM CDT. 
  Bovina around 325 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 3239 9057 3212 9055 3213 9071 3220 9073
      3222 9073 3237 9078
TIME...MOT...LOC 1956Z 176DEG 17KT 3221 9060 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DC
647 
WWUS54 KJAN 302013
SVSJAN

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

MSC049-149-302045-
/O.CON.KJAN.TO.W.0078.000000T0000Z-170830T2045Z/
Warren MS-Hinds MS-
313 PM CDT WED AUG 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL WARREN AND WEST CENTRAL HINDS COUNTIES...
    
At 313 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Edwards, or 16 miles east of Vicksburg, moving north
at 20 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...
  Edwards around 325 PM CDT. 
  Bovina around 335 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 3239 9057 3221 9057 3220 9064 3223 9069
      3233 9073 3237 9075
TIME...MOT...LOC 2013Z 171DEG 16KT 3228 9060 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DC
332 
WWUS54 KJAN 302018
SVSJAN

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

MSC049-149-302027-
/O.CAN.KJAN.TO.W.0078.000000T0000Z-170830T2045Z/
Warren MS-Hinds MS-
318 PM CDT WED AUG 30 2017

...THE TORNADO WARNING FOR EAST CENTRAL WARREN AND WEST CENTRAL HINDS
COUNTIES 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.  However gusty winds are
still possible with this thunderstorm.

A tornado watch remains in effect until 600 PM CDT for central and
west central Mississippi.

LAT...LON 3239 9057 3221 9057 3220 9064 3223 9069
      3233 9073 3237 9075
TIME...MOT...LOC 2016Z 160DEG 16KT 3230 9061 

$$

DC

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, 12:18 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, 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.