Tim’s 2019 – 2020 DC Area Winter Forecast

For Tim’s 2020-2021 DC Area Winter forecast, please click here

The Winter Solstice is now 52 days away and it is time to release my Washington Area 2019-2020 Winter forecast.  Sea Surface Temperature (SST) anomalies currently depict neutral El Nino Southern Oscillation (ENSO) conditions across the Equatorial Pacific indicative of neither dominant El Nino (warmer) or La Nina (cooler) conditions.

Current SSTs (image below courtesy NOAA): My winter forecast featuring temperature and precipitation trends is based solely on historical analog years where SSTs match up with current conditions.

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Your Washington Area Halloween Forecast

What can trick-or-treaters expect tomorrow evening? If the latest high-resolution forecast models prove accurate – there may be a break in the rain between 6 and 9 PM. The image below is from the latest North American Model (courtesy WxBell) showing steady rains across the D.C. Region at 3pm pulling north of the metro area by 6pm.

The “Scariest” portion of your Halloween may come from a loss of power as a strong squall line barrels through our region between 9pm and midnight potentially producing wind gusts over 60 mph.

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