SPC MD 1764


MD 1764 Image

Mesoscale Discussion 1764
NWS Storm Prediction Center Norman OK
0406 AM CDT Wed Oct 28 2020

Areas affected...Northeast TX Panhandle...Eastern OK
Panhandle...Western OK

Concerning...Freezing rain 

Valid 280906Z - 281300Z

SUMMARY...Freezing rain will continue to spread eastward from the
eastern TX/OK Panhandles into western OK over the next few hours.
Precipitation rates from 0.05 to 0.15"/hr are possible.

DISCUSSION...Recent surface analysis places the freezing line from
just northwest of SWW in the TX Big Country north to HHF in the
northeast TX Panhandle. The line then arcs southeastward to HBR in
southeast OK, continuing northeastward to near END before arcing
back northwestward into southeast KS. The trend over the past two
hours has been for temperatures to warm a degree or two as the band
of precipitation (currently extending across the eastern TX
Panhandle into the TX Big Country) while areas in western OK have
remained steady. Given these trends and current temperatures,
freezing rain will likely continue to be the predominant
precipitation type within the band moving across the eastern TX/OK
Panhandles into western OK. 

High reflectivity returns within this band are evidence of the
melting occurring within the warm nose located between roughly 3000
and 6000 ft. Lightning has been sparse within the precipitation band
over the past hour, but some modest elevated instability exists
downstream over western OK so a few isolated lightning flashes
remain possible. Precipitation rates from 0.05 to 0.15"/hr are
possible. Northeast TX Panhandle sites at BPC and HHF reported 0.09"
and 0.06", respectively, of liquid precipitation during the last

..Mosier.. 10/28/2020

...Please see www.spc.noaa.gov for graphic product...


LAT...LON   35740121 36870115 37250023 37119942 36599875 36319850
            35949836 35569847 34949908 34529977 34370032 34530096

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