Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 20, NWS Mobile, AL

November 1, 2018Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Nov 1, 2018, 6:10 AM CDT for Wayne County, Mississippi. It was in force for 35 min. 1 report 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: Nov 1, 2018, 6:10 AM CDT (11:10 UTC)
Expired: Nov 1, 2018, 6:45 AM CDT
In force: 35 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Wayne County, MS

The radar

The Mobile radar (KMOB), 122 km from the middle of the area, began a volume at 11:12 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

Time	Report	Where	Remark
Nov 1, 6:35 AM CDT	TSTM WND DMG	Waynesboro, MS	SEVERAL TREES DOWN COUNTY WIDE ACROSS WAYNE COUNTY.

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.

Issued	Product	Office	Lasted
Oct 31, 11:07 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.2 hours before the alert went out and 143 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: 97 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

887 
WFUS54 KMOB 011110
TORMOB
MSC153-011145-
/O.NEW.KMOB.TO.W.0020.181101T1110Z-181101T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
610 AM CDT THU NOV 1 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Wayne County in southeastern Mississippi...

* Until 645 AM CDT.
    
* At 609 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles southwest of Clara, or 11 miles northeast of
  Richton, moving northeast at 40 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...
  Clara around 625 AM CDT.
  Waynesboro around 635 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 3183 8883 3179 8847 3143 8880 3149 8892
TIME...MOT...LOC 1109Z 210DEG 34KT 3149 8885 

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

$$

1 follow-up statement

782 
WWUS54 KMOB 011138
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
638 AM CDT THU NOV 1 2018

MSC153-011146-
/O.EXP.KMOB.TO.W.0020.000000T0000Z-181101T1145Z/
Wayne MS-
638 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR CENTRAL WAYNE COUNTY WILL EXPIRE AT 645 AM
CDT...
    
The circulation in the tornadic thunderstorm has wekned. Therefore, 
the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 AM CDT for southeastern
Mississippi.

Remember, a Severe Thunderstorm Warning still remains in effect for
central Wayne county until 700 AM CDT. 

LAT...LON 3183 8883 3179 8847 3143 8880 3149 8892
TIME...MOT...LOC 1136Z 220DEG 45KT 3174 8860 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 1, 5:05 AM CDT	Severe Thunderstorm Warning	MOB	Stone	40 min
Nov 1, 5:22 AM CDT	Severe Thunderstorm Warning	MOB	Perry, Wayne	38 min
Nov 1, 5:42 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	48 min
Nov 1, 5:53 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	67 min
Nov 1, 6:19 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene	41 min
Nov 1, 6:29 AM CDT	Tornado Warning	MOB	Greene, Wayne	46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.