Weather Underground midday recap for Thursday, June 26, 2014
A cold front extended from the Southwest to the northern Plains on Thursday, while a separate cold front stretched from the upper Mississippi Valley to the Mid-Atlantic.
A cold front stretched across the Southwest, the Great Basin, the Intermountain West and the northern Plains on Thursday. As warm, muggy air collided with this frontal boundary, strong to severe thunderstorms broke out across the northern Plains. Flash flood watches were issued across Montana, northeast Wyoming and western South Dakota due to heavy rain over the region. Winner, S.D., reported a midday total of 0.93 inches of rain, while Huron, S.D., reported a midday total of 0.66 inches of rain. In addition, clusters of strong thunderstorms developed across the upper Mississippi Valley and the central Plains, while scattered showers and thunderstorms moved across the Great Basin and the Intermountain West.
Meanwhile, heavy rain and thunderstorms continued to impact the western Gulf Coast on Thursday. Rockport, Texas, reported a midday total of 2.05 inches of rain. Flash flood warnings were issued in northern Alabama due to thunderstorm development over the lower Mississippi Valley and the Southeast. Haleyville, Ala., reported a midday total of 1.22 inches of rain. To the north, an area of low pressure ushered heavy rain across the Northeast during Thursday morning. Flood warnings were issued in Upstate New York and parts of New England, as Mt. Washington, N.H., reported a midday total of 3.21 inches of rain.
Out west, an onshore flow from the Pacific pushed showers across western Washington and northwest Oregon. The remainder of the West Coast stayed clear of wet weather due to high pressure over the eastern Pacific.
Temperatures in the Lower 48 states Thursday have ranged from a morning low of 35 degrees at Bryce Canyon, Utah to a midday high of 100 degrees at Needles, Calif.