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WhiteLawns

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    July has arrived ... the Meteorologically defined mid summer month

    in New England

    Posted

    34 minutes ago, TalcottWx said:

    Further east, GOES-E Visible imagery shows increasing convective

    vigor with a few additional stronger cells over the lower Hudson

    Valley starting to move into CT. Persistent southwesterly low to

    mid-level WAA has been providing moisture flux through this area

    into Southern New England with total PWat values increasing from

    1.75 toward 2" in the next few hours. Additionally, fairly clear

    skies has allowed for increasing instability up to 1500-2000 J/kg

    across CT int RI. As such, convection will likely strengthen and

    broaden in coverage (both cells and downdraft area). Forward

    speeds are slow, but will start to slacken after 00z as a new

    850mb pivot/low shifts toward the Hudson Valley, backing steering

    flow increasing duration across southern New England for potential

    for spots of 1.5-2.5" though 03z. There is some uncertainty, but

    initial band/round of cells and upstream advection of

    moisture/low-level heating may allow for additional scattered

    cells to form upstream and repeat through areas hit by the first

    round. As such and in combination with 1-3" that fell last

    evening (across S New England)130, grounds may be prone to

    scattered incidents of flash flooding tonight.  

    What is this from?

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