Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 357 AM EDT Mon Jun 10 2024 Valid 12Z Mon Jun 10 2024 - 12Z Wed Jun 12 2024 ...There is a Slight Risk of severe thunderstorms over parts of the Northern/Central High Plains and Southeast on Monday... ...There is a Slight Risk of excessive rainfall over parts of the southern tip of Florida on Tuesday... ...There are Excessive Heat Warnings/Watches and Heat Advisories over Northern/Central California and Southwest on Tuesday... A front over the Northern Rockies to the Great Basin will move eastward to the Upper Great Lakes/Upper Mississippi Valley by Wednesday afternoon. As moisture streams northward into the Northern Rockies/Northern Plains, the boundary will produce showers and severe thunderstorms over parts of western South Dakota, northwestern Nebraska, eastern Wyoming, and extreme eastern Montana. Therefore, the SPC has issued a Slight Risk (level 2/5) of severe thunderstorms over parts of the Northern/Central High Plains through Tuesday morning. The hazards associated with these thunderstorms are frequent lightning, severe thunderstorm wind gusts, hail, and a few tornadoes. Further, a front extending from the Southeast to the Southern Plains will trigger showers and severe thunderstorms over parts of southeastern Georgia and southern South Carolina. Therefore, the SPC has issued a Slight Risk (level 2/5) of severe thunderstorms over parts of the Southeast through Tuesday morning. The hazards associated with these thunderstorms are frequent lightning, severe thunderstorm wind gusts, hail, and a few tornadoes. Showers and thunderstorms will also develop over parts of the Central/Southern Rockies and Southern Plains on Monday. In addition, upper-level energy over the Great Lakes/Northeast will help produce rain and showers/thunderstorms over parts of the Lower Great Lakes, Northeast, Central Appalachians, and northern Mid-Atlantic through Monday night. On Tuesday, showers and thunderstorms will develop over parts of the Upper/Middle Mississippi Valley/Upper Great Lakes, Central/Southern Rockies, and Central/Southern Plains. Furthermore, the combination of tropical moisture and upper-level impulses will aid in producing showers and thunderstorms with heavy rain over parts of southern Florida. This weather pattern has led the WPC to issue a Slight Risk (level 2/4) of excessive rainfall from Tuesday through Wednesday morning. The associated heavy rain will create mainly localized areas of flash flooding, with urban areas, roads, small streams, and low-lying areas the most vulnerable. Elsewhere, a front over the Eastern Pacific will move onshore over the Pacific Northwest and advance eastward to the Northern Plains to the Great Basin by Wednesday. The system will produce rain over parts of the Northwest and scattered showers and thunderstorms over parts of the Northern High Plains on Wednesday. Furthermore, upper-level ridging will build over California and the Southwest on Tuesday prompting Excessive Heat Warnings/Watches and Heat Advisories over Northern/Central California and Southwest. It's crucial for residents and individuals involved in outdoor activities to stay informed and take necessary precautions. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php