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Could more rain be on the way?

Rain started falling late this morning and then picked up this evening as a cold front moved through. We are really between two jet streams with a southern branch south of us and a northern branch north of us. The northern branch of the jet stream is taking over for the next two days. Cold air aloft may create enough instability to form a few light showers on Tuesday. Then the northern branch will retrogress westward and combine with the southern branch jet stream and bring us some chances for rain at the end of the week.

It is about one week from now when the set up could bring us some widespread rainfall. We will monitor this closely. Below you can see the forecast 60 hour rainfall total for Tuesday through Thursday of next week, the first few days of May. It may get very wet soon. Confidence is still shaky however.

Click to enlarge (60 hour total rainfall for May 3 through May 5th)

Posted by at April 25, 2005 7:58 PM