570
FXUS64 KOUN 291708
AFDOUN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1208 PM CDT THU JUL 29 2021
..NEW AVIATION
SHORT TERM
(TODAY AND TONIGHT)
ISSUED AT 344 AM CDT THU JUL 29 2021
WATER VAPOR IMAGERY EARLY THIS MORNING SHOWS THE UPPER RIDGE
DOMINATING THE CENTRAL US. THINK ANY DIURNAL SHOWERS/STORMS SHOULD
REMAIN SOUTH OF THE RED RIVER THIS AFTERNOON AS DRY MID TO UPPER
LEVEL AIR SPREADS WESTWARD OVER OK AND MOST OF NORTH TX. EXPECT
ANOTHER HOT AND MUGGY DAY UNDER THE RIDGE, WITH HEAT INDEX VALUES
EXCEEDING 105 ALONG AND EAST OF I-35 (HEAT ADVISORY). SOME LOCATIONS
ACROSS SE OK WILL FEEL LIKE ~110. OVERNIGHT LOWS FRI AM WILL BE VERY
SIMILAR TO THIS MORNING.
LONG TERM
(FRIDAY THROUGH WEDNESDAY)
ISSUED AT 344 AM CDT THU JUL 29 2021
THE HEAT WILL CONTINUE TO AMPLIFY FRI INTO SATURDAY ACROSS THE
ENTIRE REGION. THE WARMEST CONDITIONS ARE STILL EXPECTED SATURDAY
AFTERNOON AHEAD OF AN APPROACHING COLD FRONT WITHIN SOUTHWESTERLY
DOWNSLOPE. SEVERAL LOCATIONS ACROSS CENTRAL OK SHOULD HIT TRIPLE
DIGITS. EVEN WITH SLIGHTLY LOWER DEWPOINTS ANTICIPATED TOMORROW, WE
HAVE ISSUED ANOTHER HEAT ADVISORY FOR OUR EASTERN ZONES FRIDAY, AND
AN EVEN LARGER AREA INCLUDING MOST OF OK WILL LIKELY BE NEEDED BY
SATURDAY.
THERE'S PRETTY DECENT AGREEMENT REGARDING COLD FROPA DURING THE DAY
SUNDAY, WITH SOME ASSOCIATED PRECIP. IT APPEARS THE HIGHEST POPS
WILL DEVELOP OVER THE SOUTHERN HALF OF THE FA LATE SUNDAY INTO EARLY
MONDAY ALONG THE FRONT WHERE DEEPEST MOISTURE SATURATION WILL OCCUR.
TEMPS WILL DROP BELOW AVERAGE BEHIND THE FRONT SUNDAY THRU ALL OF
NEXT WEEK AS WE REMAIN WITHIN NORTHERLY FLOW ALOFT. AT LEAST LOW
RAIN CHANCES WILL CONTINUE THRU WED.
AVIATION
(18Z TAFS)
ISSUED AT 1201 PM CDT THU JUL 29 2021
LIGHT SOUTH WINDS MAY BECOME VARIABLE AT TIMES AS HIGH PRESSURE
REMAINS OVER THE AREA THROUGH THE PERIOD. THE LATEST HRRR MODEL
GUIDANCE SUGGESTS ISOLATED THUNDERSTORMS ACROSS WESTERN NORTH
TEXAS THIS AFTERNOON, AND SIMILAR TO WHAT HAPPENED YESTERDAY.
SINCE LOCATION IS UNCERTAIN, LEFT OUT OF KSPS TAF FOR NOW.
THOMPSON
UPPER AIR
ISSUED AT 344 AM CDT THU JUL 29 2021
AN UPPER AIR FLIGHT IS NOT PLANNED FOR TODAY.
PRELIMINARY POINT TEMPS/POPS
OKLAHOMA CITY OK 96 74 97 75 / 0 0 0 0
HOBART OK 97 74 97 75 / 10 0 0 0
WICHITA FALLS TX 98 75 98 76 / 10 0 0 0
GAGE OK 97 72 97 73 / 0 0 0 0
PONCA CITY OK 97 73 98 75 / 0 0 0 0
DURANT OK 98 76 99 76 / 10 0 10 0
OUN WATCHES/WARNINGS/ADVISORIES
OK...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR OKZ007-008-012-013-
018>020-024>032-039>043-045>048-050>052.
HEAT ADVISORY FROM NOON TO 7 PM CDT FRIDAY FOR OKZ020-026-
030>032-042-043-047-048-051-052.
TX...NONE.
SHORT TERM...03
LONG TERM....03
AVIATION...01
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