DISCUSSION: As the low pressure system which has remained nearly stationary for the past couple of days finally begins to slowly head off to the east over next 24 to 48 hours, much more heavy rainfall will come to many other states in and around the Mississippi and Tennessee Valleys. As shown in the animated satellite imagery attached above (courtesy of the Cooperative Institute for Meteorological Satellite Studies or CIMSS), this latest low pressure system impacted many parts of the central United States with heavy rainfall and heavy rainfall from west to east across the storm. As you can also see from the animated water vapor imagery attached above, you can also see how there a clear moisture track connection which tracked up and into the central United States from the Gulf of Mexico. Hence, the strong tropical connection originating from the Gulf of Mexico helped to facilitate the persistent, long-lived heavy rainfall event which has severely impacted states including (but not limited to) Missouri, Oklahoma, and Arkansas.
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©2017 Meteorologist Jordan Rabinowitz