Tuesday, July 21, 2009
PM Rain, Mild
More extensive cloud cover than I anticipated kept temperatures in the upper 60s to near 70 overnight. These clouds will hang tough today, but we should get a few peeks of sun throughout the morning before high level clouds arrive from the west late this morning and early afternoon. A few showers are ongoing across Northeast Mississippi, but these should move into Alabama and Tennessee shortly. A more impressive complex of showers and thunderstorms associated with a well-defined mesoscale convective vortex is moving across Western Arkansas. This complex should weaken some this morning as it encounters less unstable air to the east but may re-intensify this afternoon as instability increases. This complex may affect us later this evening, but we still stand a decent shot at seeing some scattered thunderstorms develop this afternoon. Cloud cover and possible showers will keep temperatures below normal again this afternoon with highs topping out around 85. We still won't be out of the woods tonight as additional showers may develop after midnight. Temperatures will be muggy again tomorrow morning as low only drop to near 69.
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