WeatherExtreme Forecast Discussion 8/15/2017 0545Z

Moist westerly flow combined with a weak frontal passage should bring showers or light rain at various times throughout the day Wednesday, with only weak wave action expected. As a low system passes north of El Calafate surface winds turn east on Thursday and El Calafate is likely to be in a upper level col region Friday through early Saturday, with light, confused winds aloft. Friday through Sunday looks wet, except for Saturday, possibly. Upper level winds on Saturday northerly at low levels, westerly aloft.

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