1.   But while the upper edges of the thickening cloud were bright as polished brass, underneath they were a sullen purple.

2.   The combination of an upper level disturbance and a tropical wave in the Gulf of Mexico will bring thickening clouds and some thundershowers from Louisiana to southwest Missouri.

3.   The Southeast will notice thickening clouds with showers advancing east across the Gulf states.

4.   Thickening clouds and advancing showers will temper the warming trend.