National Weather Service United States Department of Commerce

Strong Storm for the West and Southwest; Heavy Snow for the Northern Plains and Upper Midwest

A strong storm will move ashore across California today accompanied by strong winds, heavy rain and heavy snow for the higher terrain. Flooding will be of great concern for Southern California into portions of Arizona through Wednesday. Several feet of snow is expected across central and southern California Mountains into the central Great Basin. Snow will impact the northern Plains into tonight. Read More >

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Local Research Citationsblue bar

Blanchard, D. O., 2008: Interactions between a Supercell and a Quasi-Stationary Frontal Boundary. Mon. Wea. Rev.136, 5199–5210,

Blanchard, D. O., 2011: Supercells in Environments with Atypical Hodographs. Wea. Forecasting26, 1075–1083,

Blanchard, D. O., 2013: A Comparison of Wind Speed and Forest Damage Associated with Tornadoes in Northern Arizona. Wea. Forecasting28, 408–417,

Klimowski, B. A., M. R. Hjelmfelt, and M. J. Bunkers, 2004: Radar Observations of the Early Evolution of Bow Echoes. Wea. Forecasting19, 727–734,<0727:ROOTEE>2.0.CO;2.