Tuesday Night Outlook
Tuesday, January 23rd, 2007Text From The RACES Tuesday Night Net:
High temperatures through Thursday will be in the low to mid-20’s. Friday will warm slightly to the lower 30’s, with highs falling back into the low to mid-20’s through the beginning of next week. Nightly lows will stay in the low to mid-teens. Wind chills on Wednesday and Thursday will range from 5 above to 5 below zero.
Skies through Friday will remain partly to mostly cloudy. Friday night and Saturday will have a chance of light flurries. Saturday night will have a good chance of snow showers. Sunday will carry a chance of flurries and Monday will have a moderate chance of snow showers.
Overall, old man winter is settling down for a nice long stay, and isn’t leaving anytime soon.
Detailed Forecast Discussion:
A rather static upper air pattern is expected the next 7 days or so, with ridging along the West Coast and a slowly amplifying trough over eastern North America. That being said, the carving process of the eastern trough will be sloppy at times, with short waves rotating south and east from central Canada through the western Lakes. The eventual outcome appears to be the consolidation of the cold core vortex, and it’s attempt to dump into the eastern Great Lakes beyond day 10.
An initial disturbance sliding across Iowa and northern Missouri should pass just south of the forecast area. This system will be rapidly followed by another one trekking into northern Wisconsin at the moment. This second wave will offer a threat of light snow Wednesday and Wednesday night and usher in an initial batch of Arctic air poised over Manitoba this afternoon. The bubble high should should slide off to the east rapidly Thursday, with warm air advection setting in from the northern Plains Friday.
This whip-saw series of cold and occasional snow will repeat over the weekend and again about Tuesday of next week, with each batch of Canadian air getting colder. Periods of light snow over the next week will slowly increase the snow field and depth, but lack of deep moisture from the Gulf of Mexico should preclude a major storm.
