• MESO: Mesoscale Discussion 0866

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu May 25 20:42:42 2023
    ACUS11 KWNS 252042
    SWOMCD
    SPC MCD 252042=20
    OKZ000-COZ000-TXZ000-NMZ000-252245-

    Mesoscale Discussion 0866
    NWS Storm Prediction Center Norman OK
    0342 PM CDT Thu May 25 2023

    Areas affected...portions of northeastern New Mexico...southeastern Colorado...and the far western Oklahoma/Texas Panhandles

    Concerning...Severe potential...Watch possible=20

    Valid 252042Z - 252245Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Strong to severe storms may evolve late this afternoon
    into the early evening. More persistent cells may pose a risk for
    damaging winds and hail. A Weather Watch is possible.

    DISCUSSION...Afternoon satellite imagery showed thunderstorms
    developing along the higher terrain of the Raton Mesa and the Sangre
    De Cristos. Across the adjacent High Plains, diurnal heating has
    removed much of the inhibition ahead of these developing storms.
    Weak upslope flow and continued heating should allow these storms to
    move off the terrain with additional storms developing over the High
    Plains late this afternoon into the early evening. 1000-1500 J/kg of
    MLCAPE will support robust updrafts but with little shear. Area VADs
    show effective shear generally below 30 kt suggesting storm
    organization may be limited. However, enough buoyancy may be present
    to support some hail with the strongest storms. The severe threat
    may increase later this evening with the arrival of the low-level
    jet. Enhanced shear may support a locally greater risk of supercells
    across northeast NM into the OK/TX panhandles. A greater risk for
    hail and isolated damaging winds may evolve with these potential
    storms later this evening. While uncertainty remains fairly high on
    the coverage of organized storms, the potential for supercells later
    suggests a weather watch may eventually be needed.

    ..Lyons/Hart.. 05/25/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8O8RMa7JY7aQ3zqstmw8xDlttdIyfyqtoenuXt2ni1fFKhY31ctiZMG_H-qBwSsGwZkz0ziJL= RA89uSMGAmOTRf8CPw$ for graphic product...

    ATTN...WFO...LUB...AMA...PUB...ABQ...

    LAT...LON 35290492 37010522 38140519 38370447 38230346 38090315
    37530282 36800245 36010246 35320248 34950259 34210300
    34270432 34730474 35290492=20


    =3D =3D =3D
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