National Weather Service United States Department of Commerce

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. 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%