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Short Range Public Discussion
 
(Latest Discussion - Issued 0733Z Mar 29, 2024)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 332 AM EDT Fri Mar 29 2024 Valid 12Z Fri Mar 29 2024 - 12Z Sun Mar 31 2024 ...Heavy snow over parts of the Sierra Nevada Mountains and the higher elevations of Wyoming, Colorado, Utah, and Northern Maine... ...Light to moderate snow over parts of the Upper Midwest... ...There is a Sight Risk of excessive rainfall over parts of Southern California on Friday and Saturday and Northern Maine on Friday... An upper-level low will develop off the Northwest Coast and move southward to off Southern California by Sunday. The circulation around the low will stream moisture inland over parts of Southern California and other parts of the West. Coastal rain will develop over parts of the Pacific Northwest, and rain/higher-elevation snow will spread over parts of California. By Friday afternoon, the flow of moisture will create heavy rain over parts of Southern California. Therefore, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of Southern California through Saturday morning. The associated heavy rain will create mainly localized areas of flash flooding, with urban areas, roads, small streams, and burn scars the most vulnerable. In addition, the moisture will aid in creating heavy snow over the Sierra Nevada Mountains and the higher elevations of Wyoming, Colorado, and Utah through Sunday. Moreover, the heavy rain will continue over Southern California on Saturday. Therefore, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of Southern California on Saturday through Sunday morning. The associated heavy rain will create mainly localized areas of flash flooding, with urban areas, roads, small streams, and burn scars the most vulnerable. Furthermore, upper-level energy over the Northern Tier States will move eastward across the Great Lakes into the Northeast by Sunday. The energy will produce light to moderate snow over the Northern Tier States into the Great Lakes through Sunday. Additionally, showers and thunderstorms will develop over the Upper/Middle Mississippi Valley and Great Lakes/Ohio Valley by Friday evening into Sunday. Along the rain/snow line, a few pockets of light rain/freezing rain will develop over parts of the Upper Mississippi Valley and Upper Great Lakes late Friday night into Saturday. Meanwhile, low pressure off the Northeast Coast will move northward into Eastern Canada by Saturday evening. Moisture will stream along the Northeast Coast, creating heavy rain along the Maine Coast. Therefore, the WPC has issued a Slight Risk (level 2/4) of excessive rainfall over parts of the Maine Coast through Saturday morning. The associated heavy rain will create mainly localized areas of flash flooding, with urban areas, roads, and small streams the most vulnerable. Further, the energy associated with the low will help produce heavy snow over parts of Northern Maine through Saturday morning. Snow will linger over Northern Maine through Sunday. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php