U.S. Soil Moisture Observations And Trend

Highlight: U.S. soil moisture update. Fig. 1: Rainfall required to neutralize dry Palmer Drought Severity Index (PDSI) and trend from 2 weeks ago. Fig. 2: The influence on thermal climate by regional anomalous soil moisture conditions. Discussion: Profound drought continues across the western and north-central portion of the U.S. Rainfall deficits are routinely 9-12 inches…

Australia Week 2-4 Outlook: Most of the wet risk is across the south and east coastal regions.

Charts of the day: Australia soil moisture anomalies. Discussion: Isolated drought areas are affecting Australia. However, most areas especially in crop regions contain wet soils. Week-2 Ahead Forecast valid July 18-24, 2021: Wet along the South Coast. Discussion: The storm track (persistent cold fronts) stretches along the southern Australia coast and triggers anomalous rainfall. North…

South America Week 2-4 Outlook: Staying mostly dry.

Highlight: Staying mostly dry. Charts of the day: Expected prevailing rainfall forecast for August and September. Discussion: Increasing trade winds bring a wet climate to northern South America in both August and September. The upper air pattern prevents much southward penetration of the tropical rains in August and a dry Argentina/Brazil forecast is indicated. However,…