Saturday Evening Forecast Discussion – 9 p.m.

A fairly weak surface trough will remain across southern parts of Central Alabama through Monday. Some models are hinting that a weak low will develop along the boundary and move westward into early next week. This seems to be a rather subtle feature with the overall moisture content aloft and a better focus for some showers.

A strong  mid to upper level ridge remains across the central U.S. through the week, but as much of the summer has dictated, this ridge moves east and west. A few short wave troughs rotate around the ridge and over West Alabama nor through Monday. Northerly flow then develops near the surface and aloft by Tuesday allowing drier air to sneak into our area.

Therefore the best rain chances appear to be now through Monday with a general decrease noted through Thursday. Moisture increases as another short wave approaches from the northwest by Friday and Saturday. High and low temperatures will remain at or above normal through the period. We will have to monitor the dew points next week because heat index values will be on the rise. Heat indicies may rise above 105 degrees in a few spots each afternoon.

Daniel Sparkman
WVUA Weather

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