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Mid Week Update

Heavy Midwest Rainfall and Flooding  Extreme rainfall amounts have been observed over parts of southern Iowa, Missouri, and northern Illinois. An axis of extreme rainfall, with pockets of 6 inches, was indicated from Moberly Missouri, across Quincy Illinois, northeast...

Midwest Flood Update

Heavy rain and snow over the past several weeks, along with the forecast of heavy rain, has set the stage for main stem river flooding over portions of the Midwest. Rainfall up to 4 inches is possible over parts of the Midwest over the next several days. The following...

Recent Rain and Snow Event

Southeast U.S. Update Let’s take a look at the current rain event moving across the Southeast U.S. A line of convection is moving slowly east with a northeast movement of individual storms. There is minimal indication of cell training. Precipitable Water (PW) values...

AO Transition Precipitation Update

As I mentioned earlier this week, the Arctic Oscillation (AO) will start a transition from its current strong negative phase to a positive phase by the end of next week. During these transitions, precipitation patterns are enhanced. I mentioned that the upper flow...

Trend Alert (SE, Midwest)

There will be an abrupt transition from a negative-phased Arctic Oscillation (AO) to a positive-phase AO over the next two weeks. Precipitation patterns can become enhanced during these transitions.  In conjunction with this transition, a split jet stream flow is...