Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 21, NWS Mobile, AL

November 1, 2018Washington County, Alabama; Greene County, Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Nov 1, 2018, 6:29 AM CDT for Washington County, Alabama; Greene County, Wayne County, Mississippi. It was in force for 46 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
Nov 1, 2018, 6:29 AM CDT (11:29 UTC)
Expired
Nov 1, 2018, 7:15 AM CDT
In force
46 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Washington County, AL, Greene County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 101 km from the middle of the area, began a volume at 11:29 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
Nov 1, 5:27 AM CDTTornado WatchSPC7 hr
Oct 31, 11:07 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.5 hours before the alert went out and 176 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 00:00Z on 2018-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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 00:00Z on 2018-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
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.

557 
WFUS54 KMOB 011129
TORMOB
ALC129-MSC041-153-011215-
/O.NEW.KMOB.TO.W.0021.181101T1129Z-181101T1215Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northwestern Washington County in southwestern Alabama...
  Southeastern Wayne County in southeastern Mississippi...
  Northeastern Greene County in southeastern Mississippi...

* Until 715 AM CDT.
    
* At 628 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles west of State Line, or 16 miles south of
  Waynesboro, moving northeast at 45 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...
  Buckatunna and State Line around 640 AM CDT.
  Millry around 700 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This cluster of thunderstorms is capable of producing tornadoes and 
widespread significant wind damage. Do not wait to see or hear the 
tornado. For your protection move to an interior room on the lowest 
floor of a building.

&&

LAT...LON 3170 8843 3170 8827 3155 8809 3135 8865
      3145 8870
TIME...MOT...LOC 1128Z 239DEG 39KT 3144 8863 

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

$$
2 follow-up statements
135 
WWUS54 KMOB 011137
SVSMOB

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

MSC041-011147-
/O.CAN.KMOB.TO.W.0021.000000T0000Z-181101T1215Z/
Greene MS-
637 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR NORTHEASTERN GREENE 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 900 AM CDT for southeastern
Mississippi. A Tornado Watch also remains in effect until 100 PM CDT
for southwestern Alabama.

LAT...LON 3170 8843 3170 8827 3155 8809 3144 8846
      3143 8857 3149 8866
TIME...MOT...LOC 1137Z 239DEG 39KT 3149 8853 

$$

ALC129-MSC153-011215-
/O.CON.KMOB.TO.W.0021.000000T0000Z-181101T1215Z/
Washington AL-Wayne MS-
637 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHWESTERN WASHINGTON AND SOUTHEASTERN WAYNE COUNTIES...
    
At 637 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Buckatunna, or 14 miles southeast of Waynesboro,
moving northeast at 45 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...
  Millry around 700 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3170 8843 3170 8827 3155 8809 3144 8846
      3143 8857 3149 8866
TIME...MOT...LOC 1137Z 239DEG 39KT 3149 8853 

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

$$
698 
WWUS54 KMOB 011157
SVSMOB

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

MSC153-011206-
/O.CAN.KMOB.TO.W.0021.000000T0000Z-181101T1215Z/
Wayne MS-
657 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR SOUTHEASTERN WAYNE 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 100 PM CDT for southwestern
Alabama.

LAT...LON 3155 8809 3153 8843 3152 8845 3167 8846
      3170 8843 3170 8827
TIME...MOT...LOC 1156Z 229DEG 29KT 3166 8841 

$$

ALC129-011215-
/O.CON.KMOB.TO.W.0021.000000T0000Z-181101T1215Z/
Washington AL-
657 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHWESTERN WASHINGTON COUNTY...
    
At 656 AM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles west of Millry, or 14 miles east of Waynesboro,
moving northeast 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...
  Millry around 700 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 3155 8809 3153 8843 3152 8845 3167 8846
      3170 8843 3170 8827
TIME...MOT...LOC 1156Z 229DEG 29KT 3166 8841 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 6:19 AM CDTSevere Thunderstorm WarningMOBMobile, Washington41 min
Nov 1, 6:33 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington42 min
Nov 1, 6:46 AM CDTSpecial Marine WarningMOB89 min
Nov 1, 6:50 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington40 min
Nov 1, 7:02 AM CDTTornado WarningMOBChoctaw, Clarke31 min
Nov 1, 7:03 AM CDTTornado WarningMOBBaldwin, Mobile27 min
Nov 1, 7:13 AM CDTAreal Flood AdvisoryMOBMobile3 hr
Nov 1, 7:15 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Monroe, Washington45 min
Nov 1, 7:25 AM CDTTornado WarningMOBBaldwin35 min
Nov 1, 7:30 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe45 min
Nov 1, 8:00 AM CDTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox45 min
Nov 1, 8:03 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Nov 1, 8:03 AM CDTSevere Thunderstorm WarningMOBEscambia42 min
Nov 1, 8:07 AM CDTSevere Thunderstorm WarningMOBBaldwin38 min
Nov 1, 8:11 AM CDTSpecial Marine WarningMOB94 min
Nov 1, 8:39 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia51 min
Nov 1, 8:43 AM CDTSpecial Weather StatementMOBButler, Conecuh47 min
Nov 1, 9:02 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Nov 1, 9:14 AM CDTSpecial Marine WarningMOB91 min
Nov 1, 9:20 AM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw40 min
Nov 1, 9:34 AM CDTSpecial Weather StatementMOBCrenshaw41 min
Nov 1, 9:43 AM CDTSpecial Marine WarningMOB92 min
Nov 1, 9:55 AM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw35 min
Nov 1, 9:58 AM CDTSpecial Weather StatementMOBCovington47 min
Nov 1, 10:42 AM CDTSpecial Marine WarningMOB93 min
Nov 1, 5:05 AM CDTSevere Thunderstorm WarningMOBStone40 min
Nov 1, 5:22 AM CDTSevere Thunderstorm WarningMOBPerry, Wayne38 min
Nov 1, 5:42 AM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone48 min
Nov 1, 5:53 AM CDTSevere Thunderstorm WarningMOBGreene, Perry, Wayne67 min
Nov 1, 6:10 AM CDTTornado WarningMOBWayne35 min

Nearby

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