National Weather Service United States Department of Commerce

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Isolated severe thunderstorm gusts and a couple of tornadoes will be possible from southeast New Mexico into west Texas. Read More >

Rainfall Variations During ENSO


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

El Nino Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
87% 112% 102% 100% 99% 74% 95% 105%
La Nina Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
85% 100% 100% 97% 95% 133% 109% 97%