Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 55, NWS Jackson, MS

September 5, 2018Clay County, Oktibbeha County, Mississippi

NWS Jackson, MS issued this tornado warning at Sep 5, 2018, 2:23 PM CDT for Clay County, Oktibbeha County, Mississippi. It was in force for 37 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: Sep 5, 2018, 2:23 PM CDT (19:23 UTC)
Expired: Sep 5, 2018, 3:00 PM CDT
In force: 37 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Clay County, MS, Oktibbeha County, MS

The radar

The Columbus AFB radar (KGWX), 48 km from the middle of the area, began a volume at 19:27 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

Birmingham, AL (KBMX), launched 12:00Z, 7.4 hours before the alert went out and 178 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: 303 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 693 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted.

375 
WFUS54 KJAN 051923
TORJAN
MSC025-105-052000-
/O.NEW.KJAN.TO.W.0055.180905T1923Z-180905T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
223 PM CDT WED SEP 5 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Oktibbeha County in northeastern Mississippi...
  Southeastern Clay County in northeastern Mississippi...

* Until 300 PM CDT.
    
* At 223 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Tibbee, or near West Point, moving northwest 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...
  Muldrow around 230 PM CDT.
  West Point around 245 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 3353 8856 3351 8860 3351 8867 3347 8867
      3346 8870 3364 8882 3368 8871 3368 8863
      3352 8855
TIME...MOT...LOC 1923Z 155DEG 25KT 3351 8862 

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

$$

TW

3 follow-up statements

697 
WWUS54 KJAN 051934
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
234 PM CDT WED SEP 5 2018

MSC105-051944-
/O.CAN.KJAN.TO.W.0055.000000T0000Z-180905T2000Z/
Oktibbeha MS-
234 PM CDT WED SEP 5 2018

...THE TORNADO WARNING FOR NORTHEASTERN OKTIBBEHA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3355 8867 3357 8867 3357 8869 3356 8870
      3356 8871 3357 8876 3364 8882 3368 8871
      3368 8863 3358 8858
TIME...MOT...LOC 1934Z 155DEG 25KT 3358 8866 

$$

MSC025-052000-
/O.CON.KJAN.TO.W.0055.000000T0000Z-180905T2000Z/
Clay MS-
234 PM CDT WED SEP 5 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHEASTERN CLAY COUNTY...
    
At 234 PM CDT, a severe thunderstorm capable of producing a tornado
was located over West Point, moving northwest 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Clay County.

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 3355 8867 3357 8867 3357 8869 3356 8870
      3356 8871 3357 8876 3364 8882 3368 8871
      3368 8863 3358 8858
TIME...MOT...LOC 1934Z 155DEG 25KT 3358 8866 

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

$$

TW

739 
WWUS54 KJAN 051936 CCA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
236 PM CDT WED SEP 5 2018

MSC105-051944-
/O.COR.KJAN.TO.W.0055.000000T0000Z-180905T2000Z/
Oktibbeha MS-
236 PM CDT WED SEP 5 2018

...THE TORNADO WARNING FOR OKTIBBEHA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3355 8867 3357 8867 3357 8869 3356 8870
      3356 8871 3357 8876 3364 8882 3368 8871
      3368 8863 3358 8858
TIME...MOT...LOC 1934Z 158DEG 20KT 3358 8866 

$$

MSC025-052000-
/O.COR.KJAN.TO.W.0055.000000T0000Z-180905T2000Z/
Clay MS-
236 PM CDT WED SEP 5 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHEASTERN CLAY COUNTY...
        
At 236 PM CDT, a confirmed tornado was located near Muldrow, or near
West Point, moving north at 25 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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.

Locations impacted include...
West Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3355 8867 3357 8867 3357 8869 3356 8870
      3356 8871 3357 8876 3364 8882 3368 8871
      3368 8863 3358 8858
TIME...MOT...LOC 1934Z 158DEG 20KT 3358 8866 

TORNADO...OBSERVED
HAIL...0.00IN

$$

TW

657 
WWUS54 KJAN 051947
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
247 PM CDT WED SEP 5 2018

MSC025-052000-
/O.CON.KJAN.TO.W.0055.000000T0000Z-180905T2000Z/
Clay MS-
247 PM CDT WED SEP 5 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR CENTRAL
CLAY COUNTY...
    
At 247 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Pala Alto, or near West Point, moving northwest 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 tornadic thunderstorm will remain over mainly rural areas of
central Clay County.

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 3364 8882 3368 8871 3368 8867 3362 8869
      3360 8879
TIME...MOT...LOC 1947Z 155DEG 21KT 3366 8875 

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

$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 7:12 PM CDT	Special Weather Statement	JAN	Scott	48 min
Sep 4, 7:57 PM CDT	Special Weather Statement	JAN	Jones, Lamar	63 min
Sep 4, 8:29 PM CDT	Special Weather Statement	JAN	Clarke, Jasper	61 min
Sep 5, 9:18 AM CDT	Special Weather Statement	JAN	Noxubee	42 min
Sep 5, 1:51 PM CDT	Tornado Warning	JAN	Lowndes	24 min
Sep 5, 2:07 PM CDT	Special Weather Statement	JAN	Clay	38 min
Sep 5, 2:44 PM CDT	Tornado Warning	JAN	Clay	46 min
Sep 5, 3:48 PM CDT	Tornado Warning	JAN	Carroll, Montgomery	31 min

Nearby

Tornado Warnings in Mississippi, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.