Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 41, NWS Mobile, AL

December 23, 2014Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Dec 23, 2014, 3:59 PM CST for Wayne County, Mississippi. It was in force for 31 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
Dec 23, 2014, 3:59 PM CST (21:59 UTC)
Expired
Dec 23, 2014, 4:30 PM CST
In force
31 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Wayne County, MS

The radar

The Mobile radar (KMOB), 124 km from the middle of the area, began a volume at 22:00 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
Dec 23, 9:30 AM CSTTornado WatchSPC11 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 150 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 12:00Z on 2014-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 266 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 12:00Z on 2014-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.1939587897117Sfc1 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
266 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

501 
WFUS54 KMOB 232159
TORMOB
MSC153-232230-
/O.NEW.KMOB.TO.W.0041.141223T2159Z-141223T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
359 PM CST TUE DEC 23 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 430 PM CST

* AT 355 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 13 MILES WEST OF WAYNESBORO...OR 12 MILES
  SOUTHEAST OF SANDERSVILLE...MOVING EAST AT 80 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3188 8848 3174 8847 3166 8850 3163 8870
      3163 8893 3175 8895
TIME...MOT...LOC 2159Z 254DEG 71KT 3171 8878

$$
2 follow-up statements
897 
WWUS54 KMOB 232206
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
406 PM CST TUE DEC 23 2014

MSC153-232230-
/O.CON.KMOB.TO.W.0041.000000T0000Z-141223T2230Z/
WAYNE MS-
406 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CST FOR NORTHERN
WAYNE COUNTY...

AT 405 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 7 MILES NORTHWEST OF WAYNESBORO...OR 12 MILES NORTH OF
CLARA...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3166 8864 3169 8879 3178 8884 3188 8848
      3174 8847 3166 8850
TIME...MOT...LOC 2206Z 243DEG 48KT 3175 8872

$$
899 
WWUS54 KMOB 232223
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
423 PM CST TUE DEC 23 2014

MSC153-232233-
/O.EXP.KMOB.TO.W.0041.000000T0000Z-141223T2230Z/
WAYNE MS-
423 PM CST TUE DEC 23 2014

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTHEASTERN
WAYNE COUNTY...

AT 422 PM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
WAYNE COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO
WARNING WILL BE ALLOWED TO EXPIRE AT 430 PM CST.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3166 8864 3169 8879 3178 8884 3188 8848
      3174 8847 3166 8850
TIME...MOT...LOC 2223Z 180DEG 0KT 3174 8873

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 3:38 PM CSTSevere Thunderstorm WarningMOBGreene, Perry, Wayne51 min

Nearby

Tornado Warnings in Mississippi, 2014Every tornado warning in 2014Tornadoes in 2014

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.