• DAY2SVR: Slight Risk SE

    From Mike Powell@618:250/1 to All on Fri Mar 8 09:59:00 2024
    ACUS02 KWNS 080701
    SWODY2
    SPC AC 080659

    Day 2 Convective Outlook
    NWS Storm Prediction Center Norman OK
    1259 AM CST Fri Mar 08 2024

    Valid 091200Z - 101200Z

    ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE
    SOUTHEAST STATES AND CAROLINAS...

    ...SUMMARY...
    Scattered severe thunderstorms capable of damaging winds and a few
    tornadoes are expected Saturday across parts of the Southeast States
    into the Carolinas.

    ...Southeast States/Carolinas...
    A southern-stream upper-level trough over the Southwest Deserts will
    reach the southern Plains/Ozarks by early Saturday, continuing east-northeastward toward the southern Appalachians while gradually
    phasing with a northern-stream trough over the Great Lakes and
    Midwest. Primary surface cyclogenesis will occur over the Midwest,
    but a secondary surface wave may evolve toward the southern
    Appalachians as a cold front progresses eastward across the region.

    At least mid 60s F surface dewpoints are forecast to advance quickly
    northward across parts of Georgia and the Carolinas ahead of a cold
    front. This will be in tandem with a northward-shifting warm front,
    with its northward disposition likely impacted and subject to
    uncertainty due to scattered early day convection.

    A few strong to severe storms could be ongoing Saturday morning
    across parts of southern Alabama and the Florida Panhandle into southwest/south-central Georgia. Strong (40-50 kt)
    south-southwesterly low-level flow should promote fast thunderstorm
    motions, along with potential for severe/damaging downdraft winds as
    well as a tornado risk with any clusters/bowing line segments that
    can form/persist. It currently appears that the main diurnal severe
    risk will focus across southern/eastern Georgia into
    downstate/Piedmont portions of South Carolina in vicinity of the
    warm front and evolving weak secondary surface wave. As the boundary
    layer warms, this includes potential for supercells, given the
    forecast strength of the low/mid-level flow and related
    low/deep-layer shear. The damaging wind/tornado risk may persist
    through the early evening hours in coastal areas.

    ..Guyer.. 03/08/2024

    $$
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