253 
FXUS64 KTSA 040435
AFDTSA

Area Forecast Discussion
National Weather Service Tulsa OK
1135 PM CDT Tue Apr 3 2018

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
VFR conditions are expected through the forecast period as
surface high pressure builds into the region during the day
Wednesday.  


&&

.PREV DISCUSSION... /Issued 934 PM CDT Tue Apr 3 2018/ 

..UPDATE...

DISCUSSION...
Skies had become mostly clear across Eastern Oklahoma and
Northwest Arkansas this evening. This was in response to the cold
front...which moved through today...continuing to push off to the
east and southeast...and also surface high pressure...currently 
centered over the Central Plains...filtering into the Southern 
Plains. Winds also had begun to weaken this evening as high
pressure approaches the CWA. 

Overnight tonight...surface high pressure will continue to shift 
southward and set up across the region by Wednesday morning.
Underneath the surface high...light winds...mostly clear skies and
colder/drier air will aid in creating low temperatures well below
the seasonal average over the CWA. Low temps in the mid 20s along
the Oklahoma Kansas border and also over far Northwest Arkansas to
the mid 30s near the Red River continue to look possible.
Thus...will let the current freeze warning ride as is for tonight.
The evening update will be to only add minor tweaks to hourly 
temp/dewpoint/wind/sky grids based on current trends and 
observations. Otherwise current forecast seems to be in good shape
at this time. 

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...Freeze Warning until 10 AM CDT Wednesday for OKZ049-054>076.

AR...Freeze Warning until 10 AM CDT Wednesday for ARZ001-002-010-011-
     019-020-029.

&&

$$


AVIATION.....12