Today is forecast to be Much Cooler than yesterday.
Nowcast as of 2:45 am CDT on March 20, 2010
Now
Around 245 am...surface observations indicated the leading edge of a cold front was near an Atoka to Durant line. Behind the front...very strong northerly winds continued at 25 to 30 mph with gusts around 40 to 45 mph. Temperatures at or below freezing were noted north and west of an Altus to Medicine Park to Chickasha to Oklahoma City and Stillwater line. Temperatures several thousand feet above the surface have cooled enough that most of the precipitation across far western and northwest Oklahoma will fall as snow. However...parts of southwest...central and north central Oklahoma may experience a few more hours of mixed precipitation in the form of freezing rain and sleet. A large area of precipitation across the Texas Panhandle and western Oklahoma will continue to advance to the west through the overnight hours. Some of the snow across western and northern Oklahoma will be heavy with visibilities below 1/2 mile. Areas west of an Altus to Hobart to Watonga and Freedom line will likely receive between 1 to 2 inches of snow between 3 and 5 am.
Forecast for Garvin
Updated: 3:33 PM CDT on March 19, 2010
Winter Storm Warning in effect from 4 am Saturday to 7 PM CDT Sunday...
Tonight
Thunderstorms in the evening...then rain showers and chance of thunderstorms after midnight. Colder. Lows in the mid 30s. Southwest winds 10 to 20 mph shifting to the north 15 to 25 mph after midnight.
Saturday
Rain and snow in the morning...then snow in the afternoon. Blowing snow in the afternoon. Much colder. Snow may be heavy at times in the afternoon. Highs in the mid 30s. North winds 15 to 25 mph.
Cloudy with snow likely. Areas of blowing snow. Snow may be heavy at times. Lows in the upper 20s. Northwest winds 20 to 25 mph. Chance of snow 60 percent.
Sunday
Mostly cloudy with chance of snow. Areas of blowing snow. Highs in the lower 40s. Northwest winds 15 to 25 mph. Chance of snow 50 percent.
... Winter Storm Warning remains in effect from 4 am Saturday to 7 PM CDT Sunday...
A Winter Storm Warning remains in effect from 4 am Saturday to 7 PM CDT Sunday.
* Timing: early Saturday morning through Sunday morning.
* Main impact: heavy snowfall and blustery winds of near 30 mph with gusts around 45 mph. Blizzard conditions may occur... resulting in a very dangerous situation. Snow accumulation of at least 4 inches is expected from Pauls Valley up to Interstate 40. Snow totals will increase north of Interstate 40... and it is likely that 6 to 10 inches of snow will fall... especially around Watonga... Enid... Ponca City... and Stillwater. Local amounts up to 12 inches are possible.
* Other impacts: wind chill temperatures will fall into the teens.
Precautionary/preparedness actions...
A Winter Storm Warning means significant amounts of snow are expected as well as strong winds creating near-blizzard conditions.
