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October weather — cooler, drier

The month's peak temperature (17.4 degrees) that occurred under mainly sunny skies on the afternoon of the November 6th fell well short of the monthly record of 27.2 degrees set in 1980. — The Nelson Daily photo

Cooler and drier was the overall assessment of weather in October said Jesse Ellis of the Southeast Fire Center Weather Forecaster in the monthly synopsis released Friday.

Ellis said a northwesterly or northerly flow aloft that dominated much of October helped bring cooler and drier than average conditions to the area.

“The month's peak temperature (17.4 degrees) that occurred under mainly sunny skies on the afternoon of the November 6th fell well short of the monthly record of 27.2 degrees set in 1980,” Ellis said.

Ellis said almost all of October’s 30.6mm of rain fell during two separate events.  He said the first significant amount of precipitation came between November 4-7, with the second onslaught happening from November 16-21 due to two sets of Pacific frontal systems that passed over the area.

Despite the two dumps, total rainfall for October was 38% below average.

Ellis said a fairly intense cold front that pushed eastward over southern BC on the 25th brought strong gusty winds and highly variable precipitation. 

“Convective cells embedded within the front — that were responsible for some of the more intense weather seen in many places that day — skirted just north and south of the area, with winds peaking just under 40km/hr and only 0.8mm of rain locally,” Ellis explained.

“A modified Arctic front that approached from the northeast on the 28th brought cold gusty winds and a few (non-accumulating) snowflakes.”

Ellis said temperatures dropped to minus 9.4 C during the early hours of October 29th, breaking the daily record previously set in 1971 but falling short of the monthly record of -11.3.

Drier weather is dominating the start of November with some precipitation expected near the end of the week.