Say so long to the mild weather for a while. As seen in the map above a “wedge pattern” or CAD event is developing--cold air damming.

So we get below-normal temperatures with scattered light showers. Then a cold front brings more rain on Friday followed by chilly high pressure for a dry but cold weekend with a frost or light freeze. Then a more widespread and harder freeze next week after more rain Monday-Tuesday.

TOTAL RAINFALL AVERAGE ESTIMATE THURSDAY-FRIDAY:

Atlanta NWS discussion:

TOTAL RAINFALL AVERAGE ESTIMATE MONDAY/TUESDAY:

GFS AND ECMWF MODEL ENSEMBLE TEMPERATURE OUTPUT(WxBell):

But the cold snap is replaced by above-normal temperatures again by the end of the month, this is supported by both numerical equations and signals from the Pacific Ocean (MJO) for upper level ridging to replace the cold trough that comes in the next 5-13 days.

7-DAY TEMPERATURE ANOMALY WEEK ENDING NOVEMBER 29TH(WxBell):

For more Follow me on Twitter @MellishMeterWSB.

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