• MESO: Mesoscale Discussion 0143

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, March 03, 2019 19:03:24
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    ACUS11 KWNS 031803
    SWOMCD
    SPC MCD 031802
    GAZ000-ALZ000-FLZ000-031900-

    Mesoscale Discussion 0143
    NWS Storm Prediction Center Norman OK
    1202 PM CST Sun Mar 03 2019

    Areas affected...western FL Panhandle...far southeast AL...far
    southwest GA

    Concerning...Tornado Watch 8...

    Valid 031802Z - 031900Z

    The severe weather threat for Tornado Watch 8 continues.

    SUMMARY...Supercell tornado potential will increase during the next
    2 hours coincident with the increasing number and maturation of
    supercells over southeast AL and adjacent parts of southwest GA.

    DISCUSSION...KEVX radar imagery as of 1800z shows a supercell in
    Walton County, FL moving east-northeast. The KEVX VAD displays a
    hodograph yielding 140 m2/s2 0-1km SRH when accounting for the
    observed storm motion. Stronger low-level shear is evident on the
    KMXX VAD and progged by model guidance (200-300 m2/s2 0-1km SRH)
    farther to the north in southeast AL (in the vicinity of KEOX and
    KMXX). As a result, expecting the tornado risk to increase
    substantially between 18z and 20z in association with the strongest
    low-level mesocyclones as they move across far southeast AL and into
    adjacent parts of GA.

    ..Smith.. 03/03/2019

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...TAE...BMX...MOB...

    LAT...LON 30898633 31748562 31848490 31328494 30708617 30898633



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