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Area forecast discussion
National Weather Service Norman OK
445 am CDT Fri Jul 21 2017

Discussion...



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Aviation...
moderate south wind and VFR conditions are expected until
221200.

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Previous discussion... /issued 313 am CDT Fri Jul 21 2017/

Discussion...
the extreme heat and high humidity will persist through Saturday
underneath the persistent and strong upper high pressure. A heat
advisory remains in effect for the eastern two-thirds of Oklahoma.
A weak upper short-wave trough in the westerlies is expected to
move through the northeast part of the upper Southern Plains ridge
and bring a chance for showers and thunderstorms Sunday and
Monday. Initially, a chance will exist in northern Oklahoma closer
to a weak surface boundary on Sunday. Most areas of Oklahoma will
have a chance for rain and thunder Monday before the upper ridge
again builds strongly for the rest of next week. Although
afternoon temperatures will lower slightly Sunday and Monday, a
return to the very hot conditions are expected for the second half
of next week with little to no chance for rain.

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Preliminary point temps/pops...
Oklahoma City OK 100 77 100 76 / 0 0 0 0
Hobart OK 102 77 101 76 / 0 0 0 0
Wichita Falls Texas 101 77 101 76 / 0 0 0 0
gage OK 102 75 102 73 / 0 0 0 20
Ponca City OK 102 77 102 76 / 0 0 0 20
Durant OK 98 75 98 75 / 0 0 0 0

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Oun watches/warnings/advisories...
OK...heat advisory until 8 PM CDT Saturday for okz007-008-012-013-
018>020-024>032-039>043-045>048-050>052.

Texas...none.

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