Spring Storm Talking Points 04/09/2019 2:00 PM
Strong spring storm will move into Colorado Wednesday morning with high winds and rain quickly changing to heavy, wet, wind-driven snow and blizzard conditions across the lower elevations. Effects will continue overnight Wednesday and into Thursday morning.
It will feel warm on your way to work/school Wednesday morning until a strong cold front crosses the plains of Colorado late morning. Precipitation will start as rain with a fairly rapid changeover to snow beginning;
Noon to 2 pm Fort Collins/Boulder/Denver/Greeley
1-2 PM Palmer Divide
After 2 PM Northeast Plains
Potentially damaging winds causing power outages will accompany the snow later Wednesday afternoon and evening, especially east of I-25
Impacts: Afternoon/evening commute on Wednesday will be hazardous/dangerous with heavy, wet, wind-driven snow and blowing snow
Remains dangerous over the eastern plains & Palmer Divide through Thursday AM, should see improvement Denver to Fort Collins by Thursday morning.
Significant impacts at DIA due to strong winds, low visibility, and blowing snow.
Scattered power outages
Harsh transition for livestock - shelter if possible
Road temperatures will start out warm, some initial melting/slush
Rapid cooling will result in icy roads for the late evening commute, faster freeze-up where snow is blowing.
Confidence
HIGH for winds
HIGH for snow amounts in the mountains, foothills, Palmer Divide, and far northeast plains east of Akron-Sterling line
LOW-MODERATE for snow amounts I-25 corridor Wednesday afternoon into the afternoon commute. Timing of changeover and exact storm track are factors.
Snowfall Amounts: snow heavy at times
Mountains: 6-14 inches
Urban Corridor and Eastern Plains 4-8 inches, heaviest favoring west/south metro Denver to locations just east of I-25
Amounts will vary - banded precipitation likely/heavy snow 2” per hour
Ending
I-25 Urban Corridor Denver - Fort Collins, tapers off late Wednesday night to Thursday AM
Eastern Plains: Snow tapers off Thursday morning, but strong winds and blowing snow through the day
Mountains: Thursday
Please join the National Weather Service Denver/Boulder on a conference call for the upcoming winter storm.Location at risk: North Central & Northeast CO, and mountains.
DATE: Tuesday April 9 2019
TIME: 2 PM MDT
DIAL IN NUMBER: 1-866-231-8384
PASS CODE: 3034944221#The latest Situation Report on the storm is here:
https://www.weather.gov/media/bou/sitreport/SitReport1.pdf
Greg