02/15/2022, 3:32 pm EST

An Update on the Pacific Decadal Oscillation/Atlantic Multidecadal Oscillation

In 2022 the Pacific decadal oscillation is favored to stay in the cool phase although weaker while the warm North Atlantic basin (including the tropics) indicates presence of the warm phase Atlantic multi-decadal oscillation and tropical North Atlantic index. The -PDO/+AMO combination supports drought expansion during the warm season for the U.S. Additionally, the warm North Atlantic favors stronger hurricanes.
02/09/2022, 1:26 pm EST

Drought Risk Increasing for Central/South Great Plains and Texas Plus Florida

The Effective Drought Demand Index (EDDI) identifies an extremely thirsty atmosphere across the Great Plains to parts of the Midwest U.S. in early February. A drought condition could emerge quickly in these regions (unless already developed) if significant precipitation fails to occur.
02/07/2022, 4:48 am EST

Madden Julian Oscillation Rainfall Influence On Southeast Asia, Australia and South America in February

The convective phase of the Madden Julian oscillation (MJO) is forecast to strengthen in the same position over the next 2 weeks possibly lingering into March. To compensate for this vast region of convection, the downstream effect is an area of subsidence extending across South America. The influence on climate is profound. The immediate important influences include an expansive very heavy rainfall pattern over Southeast Asia, the eastern Indian Ocean and Indonesia while the influence on South America is to make the climate drier.
02/03/2022, 11:29 am EST

Climate Signals Indicate a Westward Shift in the Cold Pattern for Mid-February in U.S.

The morning medium-range forecast indicates a westward shift in the East U.S. mid-winter cold pattern. Support for the westward shift of the cold is most apparent in the 8-14/11-15-day period when the Pacific North America index flips to negative phase and the North Atlantic oscillation becomes positive. The implied eastern warm-up is suppressed by snow cover.