Severe flooding continues to occur across rain-soaked Louisiana. River flooding will expand across most of Louisiana and southern Mississippi today. Another day of excessive rainfall and severe weather already underway will intensify drifting eastward across Louisiana into southern Mississippi and coastal Alabama today.

The latest NOAA/CPC long-lead probability forecasts for the U.S. for the month ahead (May) and seasonal (MAY/JUN/JUL) outlook indicates EXTREME climate risk ahead!

In today’s updated summer 2021 outlook the temperature trend was much warmer and the CDD forecasts show that change particularly in July and August. The July forecast roared from 374 to 400 CDD while August surged from 322 to 340 CDD.

La Nina 2020-21 is barely hanging on as the Nino34 SSTA is right at the La Nina threshold of -0.5C. Other Nino SSTA regions are similar. Neutral ENSO is expected the next 1-3 months and possibly through meteorological summertime. However, there remains a great debate on whether La Nina returns.