Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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FXUS64 KOUN 202326 AAA
AFDOUN

Area Forecast Discussion...UPDATED
National Weather Service Norman OK
626 PM CDT Sun Aug 20 2017

.AVIATION...
21/00Z TAFs. VFR conditions expected across terminals. Isolated
showers and brief TSRA may affect far western Oklahoma terminals
early in forecast period and will mention gusty wind with showers
possible at KGAG. Otherwise, south-southeast winds tonight will
veer to southwesterly most areas tomorrow with 20-25KT gusts
western Oklahoma terminals.

&&

.PREV DISCUSSION... /issued 134 PM CDT Sun Aug 20 2017/

DISCUSSION...
Hot and humid weather will stick around through Tuesday. Today`s
heat index values are less than those of yesterday and aren`t
expected to be much higher tomorrow, so the heat advisory will not
be extended at the moment. A strong upper trough is expected to
sweep southeast and bring a front Tuesday to Oklahoma. Plenty of
lower and mid-level moisture will be around for rain and
thunderstorms associated with this system into late Tuesday. The
front will be a focus through Wednesday in the southern half of
Oklahoma. Later in the week, the trend continues for a weakening
upper high pressure over NM which would allow one or more weak
upper troughs to move through this area toward the southern
plains. Exposure to northwest flow aloft will enhance rain chances
late week and into the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  75  94  75  93 /  10  10  10  40
Hobart OK         76  95  75  94 /  20   0  10  30
Wichita Falls TX  76  97  76  96 /  10   0   0  30
Gage OK           73  93  71  88 /  20  20  30  30
Ponca City OK     77  96  75  89 /  20  20  20  50
Durant OK         76  93  74  93 /   0  10   0  30

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...Heat Advisory until 7 PM CDT this evening for OKZ007-008-012-013-
     019-020-025-026-029>032-042-043-047-048-052.

TX...None.
&&

$$

25/11



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