Update 12:34am: Yes, I’m blogging even after work. I made it back to my apartment just fine; Bypass 20 was cleared sufficiently that it’s very drivable if you drive appropriately. However, country roads out in open areas will likely not be as good tonight. At the station, we were experiencing blowing and even some minor drifting. This will impact rural roads that aren’t cleared as often. I can tell you from experience (i.e. my parking lot) that the slush is very, very slick! In addition, slush will likely freeze in some spots tonight, leading to very hazardous conditions. Please plan for extra time for your morning commute!
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Update 6:48pm: Road conditions areawide are classified as patchy to completely covered in snow. We have about 1.5″ here at the station north of Winnebago. The highest snowfall total reported thus far is 3.0″ in DeKalb; there is still a fairly heavy band of snow located over DeKalb County right now.
Update 5:54pm: The Storm Prediction Center has issued a local technical discussion regarding snowfall trends through about midnight. Click here to read it. Snowfall totals in the Rockford metro are now around 1.5″ to 2″.
Update 4:35pm: Winter Storm Warnings continue. We have about an inch right now at the station, although Franklin Grove has 2.5″. I would suspect that other locations not far east and south of Rockford are somewhere in the 2-3″ range at this time.
When I was out measuring snow here, I could hear a car’s tires lose traction. The wet pavement that is now collecting a slushy accumulation will turn to icy pavement later this evening if it’s untreated. Bridges and overpasses will be the first to be susceptible to ice.
The heaviest snowfall will continue to fall along and east of Interstate 39.
Update 2:43pm: The snow has become heavier and more steady here at the station… and it appears the same way in downtown Rockford based on our skycam shot. Now that the snow has gotten going, it will become easier for it to accumulate both on the ground and on roadways. The snow will vary in intensity this afternoon and evening, but I don’t foresee any breaks in snowfall.
Update 1:42pm: What should be some heavy snow in/near Rockford is only light snow. It appears that temperatures are still a tad too warm (both at the ground and aloft) for good snow production. Still manageable road conditions for the time being, although I wouldn’t be surprised if bridges/overpasses have snow on them.
Update 12:52pm: Can you tell I like updating? Anyway, the image at left shows the change in barometric pressure over the past three hours. Once a weather system is pretty well developed, the surface low will tend to move toward wherever the greatest fall in pressure is located. At noon, the greatest pressure fall was in eastern Michigan. Since the low is now located in east-central Illinois, it should take a general northeast track. As the low pulls away, we will remain in the favored area for snowfall.
Update 12:33pm: A band of heavier snow is developing roughly along I-39 and moving westward. This trend of occasional bands of moderate to heavy snow will continue. In addition, winds will increase to around 15-25mph this evening, creating a blowing snow hazard, especially overnight.
Snowfall reports to firstname.lastname@example.org are appreciated.
Original post: The entire WREX viewing area is under a WINTER STORM WARNING.
Hazardous winter weather will overspread the area today and tonight. The snow has taken a while to get going north of US20, but snow will eventually envelope the entire Stateline.
The latest data suggests the possibility of snowfall in excess of 6″ in some locations. In addition, strong winds late this afternoon will cause blowing snow.
IF YOU MUST TRAVEL TODAY, BE EXTREMELY CAUTIOUS!
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This post was written by qni_it on November 30, 2008