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Short Range Public Discussion
 
(Latest Discussion - Issued 1938Z Jan 26, 2022)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 238 PM EST Wed Jan 26 2022 Valid 00Z Thu Jan 27 2022 - 00Z Sat Jan 29 2022 ...Bitter cold across much of the Northeast tonight before the next surge of arctic air enters the Upper Midwest on Thursday... ...Snow showers to traverse the Great Lakes and Central Rockies/High Plains on Thursday near an approaching cold front... ...An area of light snow is forecast to develop over the Mid-Atlantic and Central Appalachians by Friday afternoon as a coastal storm begins to organize off the Southeast Coast... Under an area of high pressure, much of the Northeast and northern sections of the Mid-Atlantic will be in for another cold night and start to the day on Thursday. Lows are forecast to dip below zero and into the single digits for most locations, with teens found farther south into the Tennessee Valley and southern Virginia. Temperatures will also start below average across parts of the Lower Mississippi Valley and Southern Plains, where subfreezing lows are likely. Outside of the Southern Plains, these temperatures are expected to warm slightly by the end of the week as the aforementioned area of high pressure weakens and slides off the East Coast. Meanwhile, the next shot of arctic air is lined up and expected to drop out of south-central Canada on Thursday. This will lead to below average temperatures throughout the Upper Midwest/Great Lakes on Friday. This arctic cold front will also be responsible for scattered snow showers between Thursday and Thursday night across the Great Lakes. Light snow may impact parts of the Central Rockies and Central High Plains during this time frame as well, thanks to a potent upper-level disturbance crossing the region. However, minimal snow accumulations are forecast. This same upper-level disturbance is forecast to round the base of a trough located over the eastern U.S. and spawn a developing coastal storm east of the Carolinas by Friday night. Light snow may break out across the central Appalachians and Mid-Atlantic by Friday afternoon, leading to minor snow accumulations. The majority of the impacts associated with this upcoming winter storm will likely occur after Friday night. Elsewhere, chances for scattered showers and thunderstorms will continue for southern Florida as a stationary boundary linger overs this section of the country. Light rain may also dampen southern Texas on Friday as a fast-moving cold front progresses into northern Mexico to end the week. Snell Graphics are available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php