James Spann: Alabama showers, storms to increase in coming days

James Spann forecasts higher rain chances for Alabama through the weekend from Alabama NewsCenter on Vimeo.

UNSETTLED PATTERN: The air across Alabama will become more unstable in coming days and moisture levels will rise, setting the stage for an unsettled pattern through the weekend. We expect a mix of sun and clouds today and Friday with scattered to numerous showers and thunderstorms, mostly between noon and midnight. Odds of any one spot getting wet both days are 50% to 70%, and afternoon highs will be mostly in the upper 80s.

THE ALABAMA WEEKEND: Not much change; the sky will be occasionally cloudy Saturday and Sunday with a good chance of showers and thunderstorms both days. Once again, most of the rain will come from noon to midnight, but we can’t rule out a late-night or morning shower. With only a limited amount of sun, we project a high in the mid 80s. Many places will see beneficial rain.

FOOTBALL WEATHER: A passing shower or storm is very possible for the high school games across Alabama Friday evening, but it won’t rain at all stadiums. This means potential for a few lightning delays; temperatures will be in the mid 80s at kickoff.

NEXT WEEK: Scattered to numerous showers and thunderstorms will continue Monday and Tuesday, but dry, continental air is expected to move into Alabama over the latter half of the week as a long-wave upper trough sets up over the eastern third of the nation.

TROPICS: Chantal is now a weak tropical depression over the North Atlantic, far from land. It is expected to dissipate within 36 hours. The National Hurricane Center is also monitoring a wave over the Bahamas; it has only a 20% chance of development over the next five days as it moves just off the southeast coast of the U.S.

ON THIS DATE IN 1994: Hurricane John, about 345 miles south of Hilo, Hawaii, had winds of 175 mph and pressure at 920 millibars or 27.17 inches of mercury, making it one of the strongest hurricanes ever in the Central Pacific. The 31-day existence made John the longest-lasting tropical cyclone recorded in both the Pacific Ocean and worldwide, surpassing both Hurricane Tina’s previous record in the Pacific of 24 days in the 1992 season and the 1899 San Ciriaco hurricane’s previous world record of 28 days in the Atlantic. John was also the farthest-traveling tropical cyclone in both the Pacific Ocean and worldwide, with distance traveled of 7,165 miles, outdistancing previous record holders Hurricane Fico in the Pacific of 4,700 miles in the 1978 season and Hurricane Faith worldwide of 6,850 miles in the 1966 Atlantic season.

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For more weather news and information from James Spann and his team, visit AlabamaWx.

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