May 9, 2011 Leave a comment
A good Monday to you! It feels more like July today rather than early May. Temperatures are in the upper 80s to around 90, with a heat index value in the 90s. The airmass over Alabama is very warm and moist, but a layer of warmer temperatures above the surface is keeping showers and storms from developing. We can’t even catch much of a break at night now, as lows settled down into the middle 60s. Much like what we deal with in the late summer, a ridge has really tightened it’s grip across the south. The ridge will back down late in the week and over the weekend, as our pattern continues to change.
Rain is very unlikely through Thursday, but a south flow will continue to pump moisture into Alabama. Highs will stick around in the lower 90s until Thursday, but an increase in clouds and showers will keep temperatures from reaching the 90s late in the week and over the weekend. As the ridge weakens and an intense upper level low moves into the Ohio River Valley, scattered showers and storms will become a good bet on Friday, Satuday, Sunday and Monday. Model data has been all over the board with this feature, and the exact location will deturmine how much rain we see if any at all. Confinence is higher on Friday, as a weak cold front moves into Alabama. This should provide enough lift to get showers and storms to developing. Temperatures over the weekend will likely stay in the lower 80s. If you see more clouds, upper 70s are possible.
Be sure to join me on WVUA-TV tonight at 4, 5, 6 and 10 for the very latest on your forecast. Have a great day!
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WVUA Chief Meteorologist Richard Scott