Unseasonably Warm & Muggy Saturday – Rain Moves In Sunday

Posted on: 11:05 am, October 5, 2013, by

We started the weekend on another unseasonably mild and muggy note, with morning lows in the 60s.  High pressure will give us another very warm and mainly dry afternoon.  A few isolated showers or storms cannot be ruled out, especially west of I-65, but the majority will remain dry.  There will be a few more passing clouds this afternoon ahead of the potent storm system that has brought over three feet of snow and tornadoes to parts of the upper Midwest Friday. Temperatures are heating up rapidly, with many communities already in the 80s as of 11:00 am.

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Highs will range in the mid to upper 80s, near 10 degrees above average for early October. Tonight will be partly to mostly cloudy, with a chance for a few predawn showers west of I-65.  Showers and storms will progress west to east across the Tennessee Valley throughout the day Sunday.  Periods of heavy rain and gusty wind will be possible, the severe threat remains low.  Rain will exit early Monday, as cooler and drier air moves in, setting us up for a dry and seasonable work week.

Tropical Storm Karen continues its weakening trend, thanks in part to dry air being entrained from the west, strong westerly winds shearing the storm top and slightly cooler water temperatures in the northern Gulf of Mexico.  Karen is barely hanging on to tropical storm strength with maximum sustained winds remaining at 40 mph.  The latest forecast track from the National Hurricane Center has the system weakening into depression before making landfall along the southeast Louisiana coast sometime late tonight/early Sunday.

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Minimal impacts will be felt in the Tennessee Valley from the remnants of Karen, as it tracks southeast of the area.  Dangerous rip currents and increased surf will continue for the northern Gulf Coast beaches, use extreme caution and heed double red flag warnings if they are in effect.

- Jennifer Watson

Twitter: @JWatson_Wx

Facebook: Jennifer Watson WHNT

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