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Weather Underground midday recap for Friday, April 17, 2015
A low pressure system impacted the central third of the country on Friday, while a stationary front lingered over the Gulf Coast.
An area of low pressure inched across the central Plains. This system brought multiple impacts to the central third of the country. Moderate to heavy snow showers affected the central Rockies on Friday, as winter storm warnings were issued in eastern Utah, Colorado and southern Wyoming. Mesa, Utah, reported a midday total of 8.0 inches of snow. Monument, Colo., reported a midday total of 11.5 inches of snow. A cold frontal boundary associated with this system extended southward. This frontal boundary collided with a warm, muggy air mass from the Gulf of Mexico. This interaction resulted in strong to severe thunderstorms across the southern Plains. Severe thunderstorm warnings and flash flood warnings were issued across the central portion of Texas. Potosi, Texas, reported 1.00 inch sized hail. Altus, Okla., reported a midday total of 1.71 inches of rain.
A stationary front extended across the Gulf Coast and the Southeast. An onshore flow from the Gulf of Mexico intersected this frontal boundary, which initiated rain and thunderstorms across the Deep South and the Southeast. Flood warnings were issued over the middle and lower Mississippi Valley, while flash flood watches were issued from eastern Texas to the Florida Panhandle. Boothville, La., reported a midday total of 1.13 inches of rain.
A ridge of high pressure over the eastern Pacific kept conditions clear from the Pacific Northwest to the Desert Southwest. Temperatures ranged between the 70s and 80s across the southern California and the Arizona deserts.