Weather Underground midday recap for Tuesday, May 27, 2014
A low pressure system moved slowly across the southern Plains on Tuesday, while a cold frontal boundary extended from the northern Plains to the eastern Great Lakes.
A low pressure system inched eastward across the southern Plains on Tuesday. This system drew warm, moist air from the Gulf of Mexico, which aided in producing thunderstorms across the southern Plains and the middle Mississippi Valley. Flash flood watches were issued across eastern Texas and northwest Louisiana due to heavy rain associated with the aforementioned thunderstorms. La Grange, Texas, reported a midday total of 2.11 inches of rain, while College Station, Texas, reported a midday total of 1.90 inches of rain. Isolated thunderstorms also developed across the Southeast due to an onshore flow from the Atlantic.
Meanwhile, a cold frontal boundary extended from the northern Plains to the eastern Great Lakes on Tuesday. Severe thunderstorm warnings were issued in central Pennsylvania, while severe thunderstorm watches were issued across northern Virginia, eastern West Virginia, Maryland and southern New York. Moundsville, Penn., reported 1.00 inch sized hail. This system also brought heavy rain and thunderstorms to the upper Midwest, as Rush City, Minn., reported a midday total of 2.67 inches of rain.
Out west, an onshore flow from the Pacific ushered light, scattered showers across Washington. The remainder of the West Coast avoided wet weather on Tuesday due to a ridge of high pressure over the eastern Pacific. Temperatures ranged between the 90s and 100s across the Desert Southwest, as Gila Bend, Ariz., recorded a midday high of 104 degrees.
Temperatures in the Lower 48 states Tuesday have ranged from a morning low of 28 degrees at Yellowstone, Wyo. to a midday high of 104 degrees at Gila Bend, Ariz.