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Winter Weather Briefing January 12, 2017 11 am CST

Note: No Recording of the Webinar! National Weather Service – Topeka, KS


Winter Weather Briefing Key Points…Potential Ice Storm

 Expected Weather: Light Freezing rain/drizzle will develop across southeast Kansas Friday morning with widespread freezing rain expected to impact all areas Saturday through Sunday.  Ice Amounts: Most areas .50” to upwards of 1” of ice accumulation by 6pm Sunday  Winds: NNE Winds 5 to 12 mph through the entire event  Timing: Onset Friday southeast of I-35 but worst will occur Saturday through Sunday. National Weather Service – Topeka, KS


Winter Weather Briefing Overview

National Weather Service – Topeka, KS


Winter Weather Briefing Forecast Ice Accumulations through 6pm Fri

National Weather Service – Topeka, KS


Winter Weather Briefing Forecast Ice Accumulations through 6pm Sat

National Weather Service – Topeka, KS


Winter Weather Briefing Forecast Ice Accumulations through 6am Sun

National Weather Service – Topeka, KS


Winter Weather Briefing Additional Ice Accumulations will occur Sun in shaded area…could be heavy .50-1” additional

National Weather Service – Topeka, KS


Winter Weather Briefing Forecast Confidence

 High: All areas will see freezing rain from this event with most spots receiving .50” to 1”. This is going to occur.  Low: How fast do air temperatures rise to above freezing on Sunday and Sunday night? This will have a huge impact on whether some areas especially north of I-70 could see additional heavy ice accumulations Low confidence at this time.

National Weather Service – Topeka, KS


Winter Weather Briefing Impacts

 Potential for damage to trees/powerlines from heavy ice accumulations of .50 to 1”.  At least scattered to perhaps numerous power outages. Extremely hazardous travel conditions especially on bridges/overpasses any untreated roadways.

National Weather Service – Topeka, KS


Winter Weather Briefing Summary

 Beginning Friday southeast of I-35 but impacting all areas Saturday through the day Sunday.  All areas of the NWS Topeka service area

 Potential exists for .50 to 1 inch of ice accumulation from freezing rain…some areas could see more depending on air temperatures Sunday-Sunday night.

National Weather Service – Topeka, KS


Winter Weather Briefing January 12, 2017 11 am CST

Questions National Weather Service – Topeka, KS

Ice storm information from the National Weather Service  
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