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Weather Underground midday recap for Saturday, July 04, 2015
A stationary front stretched from the Mid-Atlantic to the southern Plains on Saturday, while a cold front dipped southward over the northern Plains.
A stationary front extended westward over the southern Mid-Atlantic, the Tennessee Valley and the southern Plains. Conditions remained warm and humid to the south of the frontal boundary. In addition, heavy rain and thunderstorms fired up from eastern Texas to the Mid-Atlantic. Flash flood warnings were issued in northeast Texas and southeast Arkansas. In addition, severe thunderstorm warnings were issued in southern MIssissippi and southern Georgia. Camden, Ark., reported a midday total of 3.76 inches of rain. Birmingham, Ala., reported a midday total of 3.14 inches of rain. Additionally, a cluster of rain and embedded thunderstorms moved across the Northeast. High pressure kept conditions quiet over the upper Midwest on Saturday.
Out west, monsoonal moisture and daytime heating aided in the development of showers and thunderstorms over the Sierra Nevada, the Great Basin and the Four Corners. Flash flood watches were issued over the northern Sierra Nevada and northern Nevada. Just to the north, a cold front dipped southward over the northern Plains. This frontal boundary initiated strong isolated thunderstorms over eastern Montana. Temperatures ranged 10 to 20 degrees above normal over the Northwest on Saturday. Heat advisories were issued in northern California, western Oregon and western Washington. Ontario, Ore., recorded a midday high of 98 degrees. Ephrata, Wash., recorded a midday high of 97 degrees.