Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Cold Advisory For Newborn Livestock (CANL)

The CANL graphics below show the risk of cold exposure to newborn livestock. The risk is related to wind chill temperature, precipitation, and humidity, and ranges from "NONE" for no risk, to "EXTREME" for rare and particularly dangerous situations. For more information click here for the product fact sheet. The images below are each valid for a 6 hour time period out to 72 hours. Click on the images to expand and see the forecast valid time. The CANL images are updated at least twice daily at 5 am and 5 pm.

0 Hour	6 Hour	12 Hour

18 Hour	24 Hour	30 Hour

36 Hour	42 Hour	48 Hour

54 Hour	60 Hour	66 Hour

NONE: Wind Chill above 41 degrees
SLIGHT: Wind Chill less than 41 degrees for two or more hours
MILD: Wind Chill less than 32 degrees for two or more hours
MODERATE: Wind Chill less than 0 degrees for two or more hours or Wind Chill less than 36 degrees for two or more hours and .02" precipitation
SEVERE: Wind Chill of -9 degrees or colder for two or more hours, or wind chill of less than 34 degrees for two or more hours and .05" of precipitation
EXTREME: Wind Chill of -18 or colder for two or more hours, or wind chill less than 32 degrees for two or more hours and .1" of precipitation

For sunny conditions (Cloud cover less than 40%), reduce wind chill thresholds by 10 degrees
For humid conditions (Minimum relative humidity remaining above 95%), increase wind chill thresholds by 10 degrees
For dry snow conditions (Maximum temperature remains less than 26F), double the precipitation thresholds for MOD-EXTREME

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Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Cold Advisory for Newborn Livestock