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Joshua Feldman

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Mild temperatures across vast swaths of the country suggest that spring is in full swing across much of the US. One other tell-tale sign of spring across the Midwest tomorrow: Severe Weather. A significant severe weather outbreak is expected across much of the region, especially over the mid-Mississippi Valley which is likely to be the focal point of numerous violent tornadoes. Severe thunderstorms are also possible over the Ohio Valley through the lower Mississippi Valley but these storms are less likely to produce tornadoes. Severe Weather Outlook from the SPC issued at 12:46 PM CDT Morning thunderstorms from eastern Iowa to Ohio will dissipate by early afternoon as a powerful low pressure system over the Plains pushes a warm front northward into the Great Lakes. The morning storms will leave the surface moist, helping to reinforce the moisture being pumped into the Midwest from the Gulf of Mexico. Temperatures in…

A powerful storm of Pacific origin is brewing over the Western US Thursday. The storm will produce a narrow but long swath of heavy snow and ice stretching from the southern Plains to the Great Lakes. This same storm system is also expected to produce a severe weather outbreak over the South-Central US. The storm will be so dynamic that parts of the Southern Plains will be threatened by both severe weather and winter weather. Spring-like warmth and copious quantities of moisture are expected to pour from the Gulf of Mexico into the Southern and Central US Friday as low pressure intensifies over the Arklatex. Arctic cold over the Northern Plains will act like a wall against the oncoming subtropical air mass. Where the warmth encounters no hurdles, torrential downpours from thunderstorms will produce areas of flash flooding and river flooding. In the South-Central US, these storms will become severe,…

A storm system more reminiscent of spring than the dead of winter will besiege the South with severe thunderstorms and torrential flooding rain Friday and Saturday. The Arklatex and the Gulf Coast are expected to face the brunt of the severe weather, where violent straight-line winds, large hail, and dozens of tornadoes are expected. The upper-air energy responsible for the violent weather originated in the Pacific Ocean and only approached the northern California coast Thursday morning with scattered rain and snow showers. That nuisance area of precipitation will undergo a rapid transformation as the supporting area of upper-level energy intensifies over California and the Desert Southwest through Thursday night. The precipitation will largely dissipate but the supporting upper-level system will nonetheless deepen into a highly amplified trough. New area of low pressure will develop over Texas early Friday with the approach of this vigorous Pacific system.The rain will begin Thursday…