Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 356 PM EDT Mon Sep 02 2019 Valid 00Z Tue Sep 03 2019 - 00Z Thu Sep 05 2019 ...Extremely dangerous Hurricane Dorian is forecast to edge very slowly northwestward bringing multiple weather related hazards to the Southeast portion of the country... ...There is a slight risk of severe thunderstorms over the Upper Midwest with an embedded area of enhanced risk... ...There is a slight risk of excessive rainfall over parts of the Upper Midwest, New England, and Florida's east coast... ...Record-breaking heat across portions of the Central Rockies into the Great Basin... Extremely dangerous Hurricane Dorian is forecast to edge very slowly northwestward bringing multiple weather related hazards to the Southeast portion of the country. Check the latest statements from the National Hurricane Center for the latest information on storm track, intensity, and the weather related hazarded at www.nhc.noaa.gov. Dorian will start to bring showers and thunderstorm to the Florida's east coast overnight Monday into Tuesday. There is a slight risk of excessive rainfall over parts of Florida's east coast on Tuesday producing conditions favorable for flash flooding. A front extending from Southeastern Canada into the Great Lakes roughly westward to the Northern Plains then into the Northern Rockies will move southeastward to the Northeast/Northern Mid-Atlantic Coast across the Tennessee Valley into the Southern Plains by Wednesday evening. Showers and thunderstorms will develop along and ahead of the boundary over the Upper Midwest on Monday evening into Tuesday. Some of these storm will become severe and the rainfall associated with the storms may produce localized flash flooding. The showers and thunderstorms will move eastward to the Northeast/Northern Mid-Atlantic Coast by Wednesday evening. In addition, another front over the Mid-Atlantic into New England will move off the Northeast Coast by Tuesday evening. Showers and thunderstorms will develop along and ahead of the boundary over the region Monday evening into Tuesday. Rainfall associated with the storms may produce localized flash flooding. Meanwhile, upper-level ridging over the Rockies into parts of the Northwest will aid in producing record-breaking the heat over the region. Temperatures are forecast to reach the upper 90s to near 100 degrees over parts of the Central High Plains into parts of the Great Basin on Monday evening. Furthermore due to the heat and upper-level ridging, Red Flag Warnings are up over part of the Northern/Central Rockies with Excessive Heat Watch over parts of the Southwest. Elsewhere, monsoonal moisture and daytime heating will aid in producing showers and thunderstorms over parts of the Southwest into the Great Basin during the late afternoon into the late evening on Monday into Wednesday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php