Highlight: Classic +PSA pattern dominates southern hemisphere climate. Fig. 1: Typical placement of high-pressure systems in the southern hemisphere during the positive phase Pacific South America pattern. Schematic based on research by Damien Irving and Ian Simmonds published in Journal of Climate. Trader learning point: In response to a moderate-strength La Nina, the southern hemisphere…
Charts of the day: An active Gulf of Mexico LOOP Current and record warmth east of New England. Discussion: Climate Impact Company continues to emphasize the influence of strong regional SSTA patterns on local climate. In the Gulf of Mexico an unusual signature of the LOOP Current has evolved whereas anomalous warm water is transported…
Highlight: Washington is likely snowier than normal during early-to-middle spring. Otherwise, dryness dominates. Increasing anomalous warm-to-hot risk later spring into summer. A widening Western U.S. drought is expected this year. Executive discussion: The Climate Impact Company monthly depiction of expected temperature and precipitation regimes for March through July 2021is issued. The forecast is based primarily…
Chart of the day: Pacific Northwest HYDRO Update. Discussion: The percent of normal snow water equivalent wet signature is expanding across the Interior Northwest (from dry to normally wet) and central/southern Rocky Mountains. The long-term water deficits from northern California to the Great Basin and into the Southwest U.S. remain profound. Medium-range 6-10 Day Forecast…
Highlight: Southern hemisphere autumn precipitation forecasts. Focus on short-term Northeast Argentina/Southeast Brazil dry climate pattern. Fig. 1-2: The Climate Impact Company autumn season rainfall anomaly forecast for South America and Australia. Autumn SA/AU precipitation discussion: The SEP/OCT/NOV 2021 climate forecasts for South America and Australia were issued yesterday. The forecasts are based largely on a…
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