Past IEM Features tagged: mrms

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Where did 11 July rains fall?

12 Jul 2017 05:33 AM
The featured chart is an attempt to access where the rain fell in Iowa on Tuesday. The blue bars represent the areal coverage of precipitation departures for the previous 31 days prior to Tuesday. The orange bars represent the areal coverage of 0.20+ inch rainfalls over the state that coincided with the given categorical departure value. So the combination allows an assessment of where yesterday's rain fell. Overall, about 25% of the state received 0.20+ inches of rain on Tuesday, but some areas with current deficits did receive some rain along with other areas that did not need it (already at large positive departures). A majority of the rain did fall over areas that needed it! This plot is a first attempt at illustrating this metric, so your feedback on usefulness is certainly welcome!

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Tags:   mrms