Monday, February 05, 2007
The week ahead: In the cold grips of winter
Jason Samenow @ 3:00 PM
*Wind chill advisory in effect from 7pm tonight to 9am tomorrow*
After the unusual warmth during the early part of the winter, it's payback time. Below average temperatures will prevail for the duration of the coming week with temperatures unlikely to even reach 40. It will be a dry cold but we may have one shot at some snow Tuesday night into Wednesday.
Bone-chilling cold. The coldest air of the season will brace the region. Temperatures will range from 10-15 when you get up and head out and will only rise to between 20-25 under partly sunny skies. Factor in a 20mph wind, and wind chills will be in the single digits most of the day. Tonight, it will be clear and frigid, with lows 5-11 (suburbs-city). Wind chills will be at or below zero late at night. Bundle up.
Coldest Day: Today, High 23.
Warmest Day: Saturday, High 37.
Dry Days: Monday, Thursday-Sunday.
Precipitation Chances: Tuesday night and Wednesday morning. Saturday night?
The Week's Wild Cards: How much snow will Tuesday night's clipper produce?
Climatological Average High/Low: 44-45/28-29
Cold. Chance of snow at night. After a frigid start in the single digits in many spots, temperatures will recover a bit. Most places will reach the mid to high 20s under mostly sunny skies. Overnight, clouds will rapidly increase after midnight as a clipper approaches, with a 30% chance of snow -- especially during the pre-dawn hours. (See the Snow Lover's Crystal Ball for more info.) Low temperatures will range from 14-18
AM snow possible, then partly sunny, cold. There's a 30% chance of lingering light snow or flurries in the morning, before gradual clearing during the afternoon. It will remain cold with highs 29-33. Overnight, it will be clear and very cold. Lows will range from 8-15 (suburbs to city) -- although if there's any fresh snow cover, these numbers will be lower.
Partly sunny, breezy and very cold. A reinforcing shot of cold air will likely arrive in the wake of Wednesday morning's clipper. As a result, Thursday will be another cold and breezy day. Expect partly sunny skies with highs in the low 30s. Overnight, it will likely be clear and very cold, with lows 9-16 (suburbs-city).
Mostly sunny, remaining brisk. Arctic high pressure will likely be centered in our vicinity. Despite the chill of the airmass, temperatures will moderate a bit under plenty of sunshine. It will also not feel quite as cold as winds diminish. High temperatures may reach the mid 30s. Overnight, it should be mostly clear and not as cold, with lows 15-20 (suburbs-city).
Falling temperatures Sunday. Saturday may be the "mildest" day of the week but in reality not all that mild. We may see upper 30s Saturday afternoon before another cold front moves through late -- possibly bringing light snow or flurries overnight, with lows near 20. Then on Sunday, it may well be breezy and quite cold again, with highs struggling to reach freezing.
Snow Lover's Crystal Ball 
Next Chance of Accumulating Snow:
Tuesday night and Wednesday.
Probability: 30%
Potential Impact:
Commentary: An energetic clipper system is likely to swing through the region. These types of clippers often have their moisture robbed by the mountains but once in a great while can produce a bit of accumulating snow in our region. As of now, the track of the clipper looks like it could be conducive for some snow. Of course, the track could change. Because the air will be so cold, anything that falls will accumulate -- so a quick couple of inches can't be ruled out if the track is right. Most of the snow, should it occur, would fall Tuesday night into early Wednesday morning.
After the unusual warmth during the early part of the winter, it's payback time. Below average temperatures will prevail for the duration of the coming week with temperatures unlikely to even reach 40. It will be a dry cold but we may have one shot at some snow Tuesday night into Wednesday.
Today
Bone-chilling cold. The coldest air of the season will brace the region. Temperatures will range from 10-15 when you get up and head out and will only rise to between 20-25 under partly sunny skies. Factor in a 20mph wind, and wind chills will be in the single digits most of the day. Tonight, it will be clear and frigid, with lows 5-11 (suburbs-city). Wind chills will be at or below zero late at night. Bundle up.The Upcoming Week at a Glance
Coldest Day: Today, High 23.
Warmest Day: Saturday, High 37.
Dry Days: Monday, Thursday-Sunday.
Precipitation Chances: Tuesday night and Wednesday morning. Saturday night?
The Week's Wild Cards: How much snow will Tuesday night's clipper produce?
Climatological Average High/Low: 44-45/28-29
Cold. Chance of snow at night. After a frigid start in the single digits in many spots, temperatures will recover a bit. Most places will reach the mid to high 20s under mostly sunny skies. Overnight, clouds will rapidly increase after midnight as a clipper approaches, with a 30% chance of snow -- especially during the pre-dawn hours. (See the Snow Lover's Crystal Ball for more info.) Low temperatures will range from 14-18AM snow possible, then partly sunny, cold. There's a 30% chance of lingering light snow or flurries in the morning, before gradual clearing during the afternoon. It will remain cold with highs 29-33. Overnight, it will be clear and very cold. Lows will range from 8-15 (suburbs to city) -- although if there's any fresh snow cover, these numbers will be lower.Partly sunny, breezy and very cold. A reinforcing shot of cold air will likely arrive in the wake of Wednesday morning's clipper. As a result, Thursday will be another cold and breezy day. Expect partly sunny skies with highs in the low 30s. Overnight, it will likely be clear and very cold, with lows 9-16 (suburbs-city).Friday
Mostly sunny, remaining brisk. Arctic high pressure will likely be centered in our vicinity. Despite the chill of the airmass, temperatures will moderate a bit under plenty of sunshine. It will also not feel quite as cold as winds diminish. High temperatures may reach the mid 30s. Overnight, it should be mostly clear and not as cold, with lows 15-20 (suburbs-city).The weekend
Falling temperatures Sunday. Saturday may be the "mildest" day of the week but in reality not all that mild. We may see upper 30s Saturday afternoon before another cold front moves through late -- possibly bringing light snow or flurries overnight, with lows near 20. Then on Sunday, it may well be breezy and quite cold again, with highs struggling to reach freezing.Next Chance of Accumulating Snow:
Tuesday night and Wednesday.
Probability: 30%
Potential Impact:
Commentary: An energetic clipper system is likely to swing through the region. These types of clippers often have their moisture robbed by the mountains but once in a great while can produce a bit of accumulating snow in our region. As of now, the track of the clipper looks like it could be conducive for some snow. Of course, the track could change. Because the air will be so cold, anything that falls will accumulate -- so a quick couple of inches can't be ruled out if the track is right. Most of the snow, should it occur, would fall Tuesday night into early Wednesday morning.
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