Additional Heavy Rain and Flooding Concerns in Central Texas; Tropical Storm Chantal to Impact the Coastal Carolinas

Heavy rainfall and flooding concerns remain for today across Central Texas and the Hill Country, with scattered thunderstorms expected this afternoon and evening. Tropical Storm Chantal has formed and will bring heavy rainfall and flooding concerns to portions of the coastal Carolinas. Life-threatening surf and rip currents are expected from the Southeast to Mid-Atlantic. 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 about this product, including categorical thresholds, click here. The images below are each valid for a 6 hour time period out to 66 hours. Click on the images to expand and see the forecast valid time. The CANL images are updated at least twice daily at 4 am and 4 pm PST.

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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