National Weather Summary for August 12,2013

Weather Underground midday recap for Monday,August 12,2013.

Wet and unsettled weather continued for parts of the East and Plains on Monday as a pair of frontal disturbances remained over the regions.

In the South, a long frontal boundary that has remained nearly stationary from the Mid-Atlantic States through the Lower Eastern Valley into Texas during the last few days began to lift northward as a warm front on Monday. Waves of low pressure enhanced energy along the front as it became positioned from the Mid-Atlantic States through the Southern Plains. Sufficient moisture along and to the south of this disturbance supported continued areas of scattered showers and thunderstorms from areas of the Mid-Atlantic through the Deep South. Areas of southeastern Kansas and northeastern Oklahoma into areas of southwestern Missouri and northwestern Arkansas experienced isolated areas of heavy rain along with possible localized flooding.

Meanwhile, to the north, another frontal disturbance reached across the Midwest with showers and thunderstorms and enhanced storms in the Central Plains. In addition to heavy rain, isolated large hail and damaging wind were marginally possible in southern Kansas and northern Oklahoma.

Out West, monsoonal moisture will continued across areas of the Four Corners with more afternoon and evening showers and thunderstorms.