As of 12:37 PM eastern standard time in New York City on Sunday, 18 December, the National Weather Service in SOUTH DAKOTA has issued a "Wind Chill Watch" for mid-thru-late-this-week, for Wind Chills reaching to FIFTY BELOW ZERO, as a Polar Vortex begins dipping from the north pole into the USA.
Yes, you read that correctly, wind chills reaching -50° F. Here is the official warning for southwestern South Dakota, the Black Hills, and northern Wyoming:
Wind Chill Watch
From Tue 11 pm until Fri 5 pm MST
2 of 2
Action Recommended
Make preparations per the instructions
Issued By
Rapid City - SD, US, National Weather Service
Affected Area
Portions of southwestern South Dakota, the Black Hills, and northeast Wyoming
Description
...WIND CHILL WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH FRIDAY AFTERNOON... WHAT...Dangerously cold wind chills possible. Wind chills as low as 50 below zero, coldest Wednesday night. WHERE...Portions of southwestern South Dakota, the Black Hills, and northeast Wyoming. WHEN...From Tuesday evening through Friday afternoon. IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 5 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A wind chill watch means dangerously low wind chill values are possible due to the combination of very cold air and wind.
