Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Last week was quite wet for central and eastern Kentucky, where 2 to 5 inches of rain fell across many locations east of Interstate 65. And when the same upper-level low pressure system parked along the southeastern coast and interacted with Hurricane Joaquin, some parts of the Carolinas picked up over 20 inches of rainfall, which caused catastrophic flash flooding.

This map shows 7-day rainfall totals ending Monday. The area that received at least 2 inches of rainfall covers most of the eastern third of the nation! The blocking effect of the Appalachians in the easterly flow is also evident, as rain totals over 5 inches are much more widespread east of the mountains. Normal 7-day rain totals at this time of year are less than 1 inch.

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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Impressive Weekly Rainfall over the Eastern US