National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Rainfall Variations During ENSO


American Samoa Seasonal Rainfall Variations During ENSO
(Values are % of normal)

El Nino Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
103% 116% 110% 114% 109% 107% 92% 104%
La Nina Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
114% 87% 94% 90% 99% 86% 72% 81%