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Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. Read More >

Overview

A strong low pressure system impacted much of the region from the morning of November 4th through November 5th. This storm not only brought along much needed rainfall, but it also brought along some severe weather. The morning of November 4th, a few cells grew strong rather quickly and resulted in sporadic reports of hail between quarter and ping pong ball sized. Some reports of wind damage were also received. The bulk of the precipitation fell on the 4th. A large swath of 1-4" of rain fell, with the highest totals along an axis from Ottumwa to Dubuque IA. As much of the rain began to move out the morning of November 5th, the dry lot associated with the cold front punched through the area. That, coupled with some likely influence from the low level jet, led to a rapidly strengthening line of severe convection. While little to no lightning was noted with this line, multiple reports of severe wind gusts and damage were received.

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7am 11/5 Surface Analysis (Weather Prediction Center
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