Weather Underground midday recap for Friday, July 11, 2014
A cold front extended across the central Plains, the lower Mississippi Valley, the Southeast and the Mid-Atlantic on Friday, while monsoonal thunderstorms continued to develop over the Four Corners.
A cold front extended from the central Plains to the Mid-Atlantic on Friday. As warm, humid air interacted with this frontal boundary, strong thunderstorms developed across the Deep South and the southern Mid-Atlantic. Flash flood warnings were issued in eastern Arkansas and northern Louisiana due to heavy rain across the region. Sea breeze induced thunderstorms also popped up across Florida. Miami, Fla., reported a midday total of 0.92 inches of rain.
Meanwhile, a cold front extended across the upper Intermountain West, the northern Plains and the upper Mississippi Valley. Showers and thunderstorms developed ahead of this front over several states, as Denison, Iowa, reported a midday total of 0.98 inches of rain. Just to the east, high pressure kept conditions clear across the Ohio Valley, the eastern Great Lakes and the Northeast. Cooler than normal temperatures accompanied this high pressure, as Saranac Lake, N.Y., recorded a morning low of 39 degrees.
Monsoonal moisture initiated widespread rain and thunderstorms over the Intermountain West, the Great Basin and parts of the West Coast on Friday. The heaviest rain focused over parts of Wyoming and southwest Oregon. The Southwest stayed mostly clear of precipitation due to a ridge of high pressure over the eastern Pacifc.
Temperatures in the Lower 48 states Friday have ranged from a morning low of 39 degrees at Stanley, Idaho to a midday high of 102 degrees at Blythe, Calif.