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Showing results for tags 'low topped squall line season here!!!'.
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A pretty vigorous trough amplifies as it digs into the upper-Midwest and Ohio Valley region mid-week before lifting across the Northeast later in the week. Out ahead of this trough, a strong southerly flow will develop helping to push a warm front northward. South of the warm front the airmass will become unseasonably warm and moist with temperatures climbing well into the 60's to lower 70's with dewpoints into the lower 60's. This will help to contribute to a modestly unstable airmass. Tremendous wind shear is also likely to overspread the region with a 50-60+ knots mlvl jet and a 80+ knots mlvl jet streak just off to our west. Bulk shear values will be pushing 40-50+ knots. Given the abundance of forcing, combined with the unstable airmass, a line of rain and thunderstorms is likely to push across the region late Thursday afternoon and evening. There is also the potential for some rather steep low-level lapse rates to materialize out ahead of this. Should that occur, given the wind fields aloft, the potential would exist for damaging winds along and just ahead of this line. There would also be the potential for a few tornadoes, especially in any discrete convection out ahead of the line or even embedded within the line. This could be increased is sfc winds backed a bit more southeast which is very possible given the orientation of the trough.
