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February 7, 2011 / Dave Gorham

Yet Another Winter Storm…But a Warm Up on the Way?

Snow is falling across the Northern Rockies this morning as I’m writing this and it looks to increase in coverage and intensity as we head into the afternoon/evening hours.

Moderate to heavy snow is falling over parts of Montana (10:00am CST). Image: ImpactWeather

Snow will spread from the Northern Rockies of Idaho, Montana, Wyoming, and northwestern Colorado south and eastward into the High Plains of Wyoming, northeastern Colorado, western South Dakota, and western Nebraska. Widespread snow accumulations of 4-6” can be expected with the heaviest snow possible through tonight into the higher elevations as well as through portions of east-central Montana, where up to 6-12 inches of snow is likely.

Snow/ice accumulations across Rockies/Plains through Thursday. Image: ImpactWeather StormWatch

Tomorrow, the snow will extend southward across eastern Nebraska through Kansas, northwestern Oklahoma, the Texas panhandle, southeastern Colorado, and northern New Mexico as an Arctic front dives southward. Moderate to heavy snow is expected from central and southern Nebraska into northern and central Kansas where accumulations could be in excess of 6 inches. Breezy northerly winds sustained up to 25 mph may lead to areas of blowing/drifting snow which could also reduce visibilities.

Surface Map for Tuesday, February 8th. Image: ImpactWeather

 Snow/ice accumulations across Rockies/Southern Plains through Thursday. Image: ImpactWeather StormWatch

Last week wasn’t exactly the best week weather wise for the host city of Super Bowl XVL and by the middle of this week, the Dallas-Fort Worth area could get another round of wintry weather. On Wednesday an Arctic front will move into the Southern Plains and Deep South bringing the risk of locally heavy snow from central Oklahoma into northwestern Alabama. The heaviest snow will be likely over eastern Oklahoma eastward into far northwestern Mississippi, where isolated totals of 6-10 inches will be possible. The Dallas/Fort Worth metroplex, Texarkana and Shreveport could pick up 1-3 inches of snow. However, do keep in mind that snow accumulations will be highly dependent on the exact track of the low as well as how much moisture there is available. A wintry mix can also be expected from the southern Texas panhandle into northern Louisiana. It looks like the icy weather could dip as far south as just north of Houston during the late evening hours Wednesday as this strong cold front moves southward with a mixture of rain, snow, sleet and freezing rain/drizzle. Be careful on the roadways as driving conditions may be hazardous, especially on bridges and overpasses as it does appear that light ice accumulations will be possible from a trace to 1/10 of an inch.

 Another round of winter weather is on tap for the Southern Plains and parts of the Deep South midweek. Image: ImpactWeather StormWatch

Later this week there is still a bit of uncertainty as far as the winter weather potential across the Tennessee Valley and Deep South. This is something we’ll continue to monitor the next couple of days, but I’m sure by now a lot of people (including myself) are hoping Punxsutawney Phil’s prediction for an early spring is accurate. I’m looking forward to the warmer spring weather that’s for sure, but check out what the rest of February is looking like across the lower 48 (see below).

Temperature Outlook for February. Image: ImpactWeather

Below average temperatures are expected across a good portion of the Lower 48 this month. Temperatures are forecast to average 2-4ºF below normal, but colder air will be possible across some areas as Arctic fronts continue to dive southward out of Canada bringing the colder air with it. However, the NAO (North Atlantic Oscillation) is showing signs of shifting above normal and this trend could allow the flow pattern to speed up during the second half of the month with milder weather conditions possible.

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