Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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386
FXUS64 KOUN 202320
AFDOUN

Area Forecast Discussion
National Weather Service Norman OK
520 PM CST Tue Feb 20 2018

.AVIATION...
0Z TAFs - FZRA will be possible for a few more hours this evening
at KSPS. Freezing rain and sleet will spread back across the area
Wednesday. MVFR/VFR ceilings will affect the area tonight with IFR
ceilings returning Wednesday.

&&

.PREV DISCUSSION... /issued 407 PM CST Tue Feb 20 2018/

DISCUSSION...
Freezing rain is expected to end across central Oklahoma by
the early evening. However, as temperatures continue to cool
across southern Oklahoma this evening, some of the precipitation
will change to freezing rain. Therefore, a winter weather
advisory was issued for parts of south central and southeastern
Oklahoma. Some of the precipitation across south central and
southeast Oklahoma will be heavy at times, and flooding will
remain a concern through at least Wednesday morning. Areas from
near Ardmore to Tishomingo and Centrahoma have already received
about 3 inches of rain today.

By early Wednesday morning, freezing rain is expected to develop
across north Texas and southern Oklahoma as another wave
approaches the southern Plains. The precipitation is expected to
spread and develop to the north Wednesday afternoon and evening.
Some of the precipitation may fall as sleet, especially across the
northern half of Oklahoma. Overall, precipitation amounts are
expected to be much lighter than today, but enough elevated
instability may result in areas of moderate to heavy freezing
rain. The wind will not be as strong Wednesday which should help
with stress on power lines and trees.

As cold high pressure builds to the east late Wednesday into
Thursday, temperatures will begin to warm enough that mainly
a cold rain is expected by Thursday afternoon.

Another round or two of rain is expected Friday into Saturday.
Mainly dry weather is expected Saturday night through Monday.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  22  31  29  39 /  10  70  70  70
Hobart OK         20  30  28  37 /  10  70  60  50
Wichita Falls TX  25  32  30  41 /  20  80  60  70
Gage OK           14  27  22  33 /  10  40  30  30
Ponca City OK     20  33  28  38 /  10  50  70  60
Durant OK         31  38  33  51 /  90  80  60  70

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...Winter Weather Advisory from 6 AM Wednesday to midnight CST
     Wednesday night for OKZ005>008-010>013-015>020-022>031-
     033>040-044.

     Flood Watch through late tonight for OKZ032-041>043-046>048-
     050>052.

     Winter Weather Advisory until midnight CST Wednesday night for
     OKZ032-041>043-045>047-050-051.

     Winter Weather Advisory until 8 PM CST this evening for OKZ025-
     026-028>031-039-040-044.

TX...Winter Weather Advisory from 6 AM Wednesday to midnight CST
     Wednesday night for TXZ083>089.

     Winter Weather Advisory until midnight CST Wednesday night for
     TXZ090.

&&

$$

30/25/01



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