News
03/14/2022, 8:07 am EDT

Important 30-Day SSTA Changes

Seasonal tropical cyclone outlooks are issued by early April. A contribution to the forecast process is the tropical North Atlantic index which represents the SSTA pattern between the Caribbean Sea and Northwest Africa Coast and has observed significant cooling during the past 30 days.
03/10/2022, 3:50 pm EST

Areas Susceptible To Flash Drought During 2022 Warm Season

One way to generate a flash drought is presence of an amplified upper-level high-pressure ridge during summertime across a region hampered by deep layer (10-200 CM) soil moisture deficit. Precipitation deficits over a 9-month (or more) period leads to deep layer soil moisture shortages.
03/08/2022, 10:22 am EST

Breaking the U.S. Cold Pattern in the Medium-range

The Alaska high-pressure "ridge bridge" guides arctic air cross-polar into a longwave trough over North America the next week or so causing an unusually cold outbreak. However, immediately thereafter the pattern flips warmer.