Tuesday, August 28, 2007

Thunderstorms Tonight

Yesterday morning had the only thunderstorms of the day for the state, with only the northeastern quarter of the state being affected by them. A few severe reports came in of marginally severe hail during the morning thunderstorms. The afternoon was filled with hot and humid air, but the hot air extended will up into the atmosphere essentially capping it to the point of no thunderstorms. That capping however isn't expected to hold on this afternoon as thunderstorms become likely over much of the northwestern half of the state.

Highs today expected in the upper 70s for northwest Iowa to mid 90s in southeast Iowa where the cold front will have no effect today. Expect thunderstorms to develop late this afternoon or this evening over northwest Iowa and continue to spread southeastward into the overnight hours and through extreme southeastern Iowa early Wednesday morning. Lows tonight will range from near 60 to near 70 from northwest to southeast. Thunderstorms could do quite a bit of 'training', where they follow the same path along the cold front as it moves to the southeast. This is why several counties across the state are once again in a Flood Watch. The possibility is also there for a few severe storms, currently the best risk is over the northeastern quarter of the state where damaging winds is the likely threat. More information on that threat as it develops this afternoon...

Expect cooler temperatures on Wednesday with highs only in the mid 70s to lower 80s across the state and lows becoming chilly from 50 degrees in the northwest to near 60 in the southeast. Thursday & Friday both finish off the week with highs in the mid 70s to lower 80s and lows in the 50s on Thursday, warming slightly into the mid 50s to lower 60s for Friday night.

0 comments: