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Hey guys and gals, it’s Ryan again from the National Weather Service in Norman, Oklahoma
with another winter weather update. The weather forecast is a bit complicated over the next
couple of days, so let’s get started by talking about tonight.
Snow has already developed across portions of southwestern and central Kansas this evening.
This snow will continue to spread east and southeastward into extreme northern Oklahoma
late tonight through early tomorrow morning. Elsewhere, very light freezing drizzle and
fog will persist. Current temperatures remain below freezing for a good portion of the region
so expect slick roadways. Black ice can be very deceiving. If you’re traveling across
Oklahoma late tonight, please use extreme caution. The latest road map from the OK Department
of Public Safety indicates roads are slick and hazardous across western and northwestern
OK.
By late tomorrow morning, light snow will continue near Ponca City, with snow flurries
and light freezing drizzle possible across central Oklahoma. The light freezing drizzle
and fog will also continue over the southern half of Oklahoma and western north Texas.
Very light snow and flurries may continue across central and northern Oklahoma through
3 PM tomorrow, but most of the precipitation will come to an end. A brief break in the
precipitation is expected at this time.
So, by early tomorrow morning you can expect some snow accumulation mainly across northern
Oklahoma. Some locations like Ponca City could receive a little more than an inch, but most
will only receive around one half inch to an inch.
The timing of the forecast becomes a bit tricky by late Monday afternoon and evening. Some
of the data indicates an earlier start as this graphic suggests, while other data doesn’t
show the precipitation beginning until later in the night. For now, it appears at least
some light snow will be possible by 6 PM across extreme northwestern Oklahoma. South of here,
a light mix of sleet and snow will be possible along the I-40 corridor west of OKC, while
low chances of light freezing drizzle or rain persist near the Red River.
Light to moderate snowfall will spread across central and northwestern Oklahoma during the
overnight hours Monday, and will continue through the early morning hours Tuesday. The
heaviest snow will likely impact portions of northwestern Oklahoma. A sleet snow mix
will also be possible from near Altus, to Lawton, and Ardmore, while a light wintry
mix impacts the Red River region.
The snow will shift southward during the day Tuesday, while an upper level disturbance
moves out of west Texas resulting in another area of snow developing over western north
Texas and southwest Oklahoma. This new area of snow will move east along and just north
of the Red River through early Tuesday afternoon.
At least light snow is expected to continue over the southern half of Oklahoma and portions
of western north Texas through early Tuesday evening. Further north, near I-40, the snow
will start to taper off.
Finally, after 6 PM Tuesday, most of the wintry precipitation will come to an end across our
region. A mix of light snow and rain may linger across southern Oklahoma and western north
Texas, while some flurries persist just north of here.
When it’s all said and done Tuesday, here’s what snowfall accumulations could look like.
This is only an estimate, and changes will likely be made over the next 24 hours. Some
locations could receive slightly more or less. The snowfall associated with this storm system
will be highly dependent on any subtle shifts of the track of the strongest mid level lift
and moisture in the atmosphere. In addition to snowfall, some light icing will also be
possible from western north Texas through southeast Oklahoma.
Takeaways Remember, this forecast may change. Be sure
to check back for updates through tomorrow. However, go ahead and prepare for slick roadways
as most locations will experience temperatures at or below freezing through Wednesday morning.
Even light precipitation like drizzle can result in very slick conditions, especially
on elevated surfaces like bridges and overpasses.
Road Information If you are traveling across the region late
tonight through Tuesday, please call these numbers for the latest travel information.
weather.gov/norman That concludes the winter weather briefing
for this evening. Thanks for your time, and as always, we encourage you to monitor our
homepage at weather.gov/norman, like us on Facebook, follow us on Twitter, and subscribe
to our YouTube channel. Have a great Sunday evening.