04/24/2022, 2:22 pm EDT

Sharp Temperature Flip in Central South America Pattern Ahead

An intense negative phase of the Antarctic oscillation (-AAO) is forecast for this week. As a result, an unusually intense upper trough is forecast to evolve over Southern Argentina. To the north of that trough, dynamic forcing causes excessive heat to develop in central South America. Centered on Paraguay and far northern Argentina temperatures >100F this week. However, the much cooler air mass to the south roars northward in the 6-10-day period
04/21/2022, 9:53 am EDT

NOAA Seasonal Drought Forecast Indicates Expansion into Iowa

NOAA/CPC seasonal drought forecast maintains the long-term drought condition present across the western half of the U.S. Exceptions are in Arizona where the summertime wet monsoon features gully-washer rains that end drought. However, the Great Plains drought is forecast to expand westward into Iowa.
04/19/2022, 7:23 pm EDT

U.S. Month 1-3 Ahead Outlook: Drought Expansion; West/Central to Northeast heat!

The latest Climate Impact Company month 1-3 ahead forecast is issued shortly. The accompanying high impact climate forecast indicates persistent excessive heat and a drought for much of the West and Central U.S. plus a hot/humid July in the Northeast States. Excessive rains are likely for the Mid-Atlantic to Ohio Valley region.
04/18/2022, 5:21 am EDT

The Rains of Australia

Areas of heavy rain are in the GFS ENS 15-day outlook for Australia. The northeast coast is wettest with some of that (tropical) rain entrained into a potent upper-level low-pressure area in Central Australia in the 6-10-day period. Another storm may strike the West Coast in the 11-15-day period.