Alert archive / Mississippi / Tornado Warnings in 2018

Tornado Warning 74, NWS Jackson, MS

November 1, 2018Marion County, Mississippi

NWS Jackson, MS issued this tornado warning at Nov 1, 2018, 4:01 AM CDT for Marion County, Mississippi. It was in force for 20 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, 4:01 AM CDT (09:01 UTC)
Expired
Nov 1, 2018, 4:21 AM CDT
In force
20 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Marion County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 31, 11:07 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.0 hours before the alert went out and 98 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, Slidell Radar S, LA at 00:00Z on 2018-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 90 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2018-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.193958Sfc1 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
90 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

809 
WFUS54 KJAN 010901
TORJAN
MSC091-011000-
/O.NEW.KJAN.TO.W.0074.181101T0901Z-181101T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
401 AM CDT THU NOV 1 2018

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Eastern Marion County in south central Mississippi...

* Until 500 AM CDT.
    
* At 401 AM CDT, a tornado producing storm was located over Sandy
  Hook, moving northeast at 45 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.

* This tornadic storm will be near...
  Pickwick around 410 AM CDT.
  Pinebur around 415 AM CDT.
  Improve around 430 AM CDT.

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 3100 8983 3107 8984 3108 8986 3144 8973
      3143 8965 3105 8965 3100 8969
TIME...MOT...LOC 0901Z 210DEG 40KT 3102 8981 

TORNADO...OBSERVED
HAIL...<.75IN

$$

19
1 follow-up statement
217 
WWUS54 KJAN 010921
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
421 AM CDT THU NOV 1 2018

MSC091-010931-
/O.CAN.KJAN.TO.W.0074.000000T0000Z-181101T1000Z/
Marion MS-
421 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR EASTERN MARION COUNTY 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.

A Tornado Watch remains in effect until 700 AM CDT for south central
and southeastern Mississippi.

LAT...LON 3100 8983 3107 8984 3108 8986 3144 8973
      3143 8965 3105 8965 3100 8969
TIME...MOT...LOC 0918Z 210DEG 40KT 3122 8968 

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 1:30 AM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson90 min
Nov 1, 1:42 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren63 min
Nov 1, 1:46 AM CDTSevere Thunderstorm WarningJANBolivar, Humphreys, Issaquena, Sharkey, Sunflower, Washington59 min
Nov 1, 1:53 AM CDTTornado WarningJANAdams, Jefferson42 min
Nov 1, 2:00 AM CDTTornado WarningJANIssaquena, Sharkey, Yazoo45 min
Nov 1, 2:06 AM CDTSevere Thunderstorm WarningJANClaiborne, Franklin, Jefferson, Warren54 min
Nov 1, 2:22 AM CDTTornado Warning Tornado observedJANFranklin, Jefferson53 min
Nov 1, 2:26 AM CDTTornado WarningJANAdams, Franklin49 min
Nov 1, 2:29 AM CDTTornado WarningJANClaiborne, Copiah, Hinds, Warren47 min
Nov 1, 2:34 AM CDTSevere Thunderstorm WarningJANCopiah, Hinds, Lincoln86 min
Nov 1, 2:37 AM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Holmes, Humphreys, Leflore53 min
Nov 1, 2:39 AM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Madison, Warren, Yazoo66 min
Nov 1, 2:41 AM CDTTornado WarningJANHinds, Madison, Warren49 min
Nov 1, 3:05 AM CDTTornado WarningJANCopiah, Lincoln42 min
Nov 1, 3:07 AM CDTTornado WarningJANHolmes, Madison, Yazoo40 min
Nov 1, 3:21 AM CDTSevere Thunderstorm WarningJANMadison, Rankin84 min
Nov 1, 3:24 AM CDTSevere Thunderstorm WarningJANCarroll, Choctaw, Grenada, Montgomery, Webster51 min
Nov 1, 3:28 AM CDTSevere Thunderstorm WarningJANAttala, Holmes62 min
Nov 1, 3:32 AM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Simpson88 min
Nov 1, 3:34 AM CDTTornado WarningJANMadison, Rankin38 min
Nov 1, 3:53 AM CDTSevere Thunderstorm WarningJANLeake, Scott, Smith85 min
Nov 1, 3:56 AM CDTTornado Warning Tornado observedJANRankin15 min
Nov 1, 4:19 AM CDTSevere Thunderstorm WarningJANLamar56 min
Nov 1, 4:23 AM CDTSevere Thunderstorm WarningJANMarion39 min
Nov 1, 4:26 AM CDTSevere Thunderstorm WarningJANChoctaw, Clay, Oktibbeha, Webster49 min
Nov 1, 4:29 AM CDTTornado WarningJANLeake, Scott27 min
Nov 1, 4:32 AM CDTTornado WarningJANScott, Smith41 min
Nov 1, 4:34 AM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Winston35 min
Nov 1, 4:36 AM CDTTornado WarningJANForrest, Lamar21 min
Nov 1, 4:40 AM CDTSevere Thunderstorm WarningJANCovington50 min
Nov 1, 4:54 AM CDTSevere Thunderstorm WarningJANKemper, Lauderdale, Neshoba, Newton66 min
Nov 1, 4:54 AM CDTTornado WarningJANJasper, Newton, Scott, Smith54 min
Nov 1, 5:03 AM CDTSevere Thunderstorm WarningJANJasper72 min
Nov 1, 5:04 AM CDTSevere Thunderstorm WarningJANJones56 min
Nov 1, 5:08 AM CDTSevere Thunderstorm WarningJANClay, Lowndes, Oktibbeha67 min
Nov 1, 5:12 AM CDTSevere Thunderstorm WarningJANNoxubee, Winston63 min
Nov 1, 5:12 AM CDTSevere Thunderstorm WarningJANForrest, Lamar39 min
Nov 1, 5:20 AM CDTTornado WarningJANNoxubee, Winston35 min
Nov 1, 5:27 AM CDTFlash Flood WarningJANJones2 hr
Nov 1, 5:38 AM CDTTornado WarningJANKemper, Lauderdale67 min
Nov 1, 5:41 AM CDTSevere Thunderstorm WarningJANClarke64 min
Nov 1, 5:46 AM CDTTornado WarningJANLowndes, Oktibbeha40 min
Nov 1, 5:52 AM CDTSevere Thunderstorm WarningJANKemper, Lauderdale68 min
Nov 1, 6:18 AM CDTTornado WarningJANClarke, Lauderdale35 min

Nearby

Tornado Warnings in Mississippi, 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.