Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 81, NWS Jackson, MS

August 31, 2017Noxubee County, Winston County, Mississippi

NWS Jackson, MS issued this tornado warning at Aug 31, 2017, 10:27 AM CDT for Noxubee County, Winston 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 31, 2017, 10:27 AM CDT (15:27 UTC)
Expired: Aug 31, 2017, 11:00 AM CDT
In force: 33 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Noxubee County, MS, Winston County, MS

The radar

The Columbus AFB radar (KGWX), 114 km from the middle of the area, began a volume at 15:27 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.5 hours before the alert went out and 135 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 80 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

213 
WFUS54 KJAN 311527
TORJAN
MSC103-159-311600-
/O.NEW.KJAN.TO.W.0081.170831T1527Z-170831T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1027 AM CDT THU AUG 31 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Noxubee County in east central Mississippi...
  Southeastern Winston County in east central Mississippi...

* Until 1100 AM CDT
    
* At 1026 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Vernon, or near Nanih Waiya, moving
  northeast 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...
  Mashulaville around 1100 AM 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 3292 8876 3293 8892 3293 8893 3292 8893
      3292 8897 3293 8897 3317 8888 3309 8865
TIME...MOT...LOC 1526Z 209DEG 18KT 3295 8888 

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

$$

JM

2 follow-up statements

465 
WWUS54 KJAN 311547
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1047 AM CDT THU AUG 31 2017

MSC103-159-311600-
/O.CON.KJAN.TO.W.0081.000000T0000Z-170831T1600Z/
Noxubee MS-Winston MS-
1047 AM CDT THU AUG 31 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR WEST
CENTRAL NOXUBEE AND EAST CENTRAL WINSTON COUNTIES...
    
At 1047 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Mashulaville, or 11 miles north of Preston, moving
northeast 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...
  Mashulaville around 1100 AM 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 3305 8877 3311 8890 3317 8888 3311 8872
TIME...MOT...LOC 1547Z 209DEG 18KT 3304 8882 

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

$$

JM

058 
WWUS54 KJAN 311554
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1054 AM CDT THU AUG 31 2017

MSC103-159-311604-
/O.EXP.KJAN.TO.W.0081.000000T0000Z-170831T1600Z/
Noxubee MS-Winston MS-
1054 AM CDT THU AUG 31 2017

...THE TORNADO WARNING FOR WEST CENTRAL NOXUBEE AND EAST CENTRAL
WINSTON COUNTIES WILL EXPIRE AT 1100 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 3305 8877 3311 8890 3317 8888 3311 8872
TIME...MOT...LOC 1554Z 209DEG 18KT 3306 8880 

$$

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 7:30 PM CDT	Special Weather Statement	JAN	Copiah	30 min
Aug 30, 9:10 PM CDT	Tornado Warning	JAN	Copiah, Lawrence, Simpson	34 min
Aug 30, 9:44 PM CDT	Special Weather Statement	JAN	Simpson	31 min
Aug 31, 10:03 AM CDT	Special Weather Statement	JAN	Kemper	27 min
Aug 31, 10:05 AM CDT	Tornado Warning	JAN	Kemper, Neshoba, Winston	25 min
Aug 31, 10:14 AM CDT	Special Weather Statement	JAN	Webster	31 min
Aug 31, 10:37 AM CDT	Special Weather Statement	JAN	Kemper	23 min
Aug 31, 10:38 AM CDT	Special Weather Statement	JAN	Lowndes	22 min
Aug 31, 10:46 AM CDT	Tornado Warning	JAN	Kemper, Lauderdale	36 min
Aug 31, 10:51 AM CDT	Tornado Warning	JAN	Noxubee, Oktibbeha, Winston	22 min
Aug 31, 12:37 PM CDT	Special Weather Statement	JAN	Noxubee	23 min
Aug 31, 12:59 PM CDT	Special Weather Statement	JAN	Oktibbeha	31 min
Aug 31, 3:36 PM CDT	Special Weather Statement	JAN	Lowndes	39 min
Aug 31, 3:49 PM CDT	Tornado Warning	JAN	Lowndes	41 min
Aug 31, 5:29 PM CDT	Special Weather Statement	JAN	Bolivar, Sunflower, Washington	61 min

Nearby

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