Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 344 AM EDT Mon Sep 14 2020 Valid 12Z Mon Sep 14 2020 - 12Z Wed Sep 16 2020 ...Sally to pose a life-threatening flood threat along the Central Gulf Coast, High Risk for flash flooding on Tuesday... ...There is a moderate risk of excessive rainfall over parts of the Eastern/Central Gulf Coast... ...Temperatures will be 10 to 25 degrees above average over parts of the Great Basin/Northern Rockies/High Plains... ...Wildfires and poor air quality continue over parts of the interior Pacific Northwest/Northern California and the Great Basin... Tropical Storm Sally over the Eastern Gulf of Mexico will continue to move roughly northwestward and slowly strengthen. The current forecast has Sally making landfall over parts of Central Gulf Coast on Tuesday morning. When Sally makes landfall the water-related hazards are expected to be biggest threats to life and property, such as life-threatening storm surge, battering surf, inland flooding, hurricane force winds, and a chance for tornadoes. The WPC has issued a moderate risk of excessive rainfall over parts of the Eastern/Central Gulf Coast on Monday into Tuesday morning. The heavy rain and water related hazards associated with Sally will produce numerous flash flooding with significant flash flooding events are possible over the Eastern/Central Gulf Coast on Monday into Tuesday morning. The latest precipitation forecasts calls 8 to 16 inches with isolated 24 inches of rain over the Central Gulf Coast as a storm total average. Please see the latest advisory from the National Hurricane Center for additional and updated information across this area. Residents within Sally's reach should monitor the storm's progress and follow the advice of local officials. Besides Sally, the tropical air along the Gulf Coast will produce showers and thunderstorms over the region through Wednesday. In contrast, high pressure builds in over the Great Lakes into the Northeast producing cooler and drier conditions across the region with below average temperatures. Out West, an upper-level ridge over the Intermountain Region continues to support the ongoing poor air quality. As a result, dense smoke advisories and air quality alerts are posted over the Pacific Northwest, parts of California, and parts of the Great Basin. The fire weather forecast for Monday has critical to elevated levels in portions of the Northwest into the Northern Rockies/High Plains. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php