December 2024 - Page 7 of 10 - Climate Impact Company

News

12/08/2024, 12:35 pm EST

Coldest Anomalies of U.S. Meteorological Winter 2024-25 in U.S. Just Ending?

Early December 2024 was remarkably cold in the East U.S. The unexpected chill is due to an unusual weather pattern featuring highly amplified trough and ridge features from Northeast Asia to the East Coast of North America while most of Eurasia has a somewhat benign pattern. The leading climate diagnostic supporting the East U.S. chill is a streak of mid-latitude stratospheric warming.

12/06/2024, 4:02 pm EST

Warmer Changes for December BUT East is Trending Colder Into Early January

Stratospheric warming emerges over Siberia as calendar-winter arrives. The risk of arctic air generation at ground level increases dramatically in this region. In North America, the stratosphere is cold and supports anomalous warmth at ground level for Canada and the U.S. in 16 days. However, once we’re into January, ECMWF continues to indicate an emerging polar vortex which is steadily broadening and strengthening.

12/06/2024, 10:36 am EST

Limited Drought Areas in Australia

November 2024 soil moisture analysis reveals limited drought areas mostly attached to the south and southeast coast. Wet soils dominate the western half of Australia adding parts of the North Coast and either side of the coastal Queensland/New South Wales border.

12/06/2024, 10:34 am EST

Spring Rains Erode Brazil and Argentina Long-term Drought

The wet pattern starting December 2024 is (mostly) across Argentina extending northward to Southern Brazil. North of the wet zone, most of Brazil is drier than normal. The daily soil moisture analysis reveals the effectiveness of spring rains at eroding both Argentina and Brazil long-term drought.