Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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FXUS64 KOUN 210904
AFDOUN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
404 AM CDT TUE OCT 21 2014

.DISCUSSION...
PATCHY/AREAS OF FOG WILL BE POSSIBLE IN SOME AREAS THIS MORNING.
DENSE FOG MAY ALSO BE POSSIBLE BUT WITH THE UNCERTAINTY OF IF/WHERE
WILL HOLD OFF ON ANY DENSE FOG ADVISORY AND MONITOR TRENDS FOR NOW.
HOWEVER... HRR SHOWS THE BEST CHANCE FOR DENSE FOG WOULD BE IN NW
AND PARTS OF CENTRAL OK EARLY THIS MORNING. THE FOG IS EXPECTED TO
DISSIPATE BY AROUND MID-MORNING. OTHERWISE... A WARM AND DRY DAY
TODAY.

A SHORTWAVE IS EXPECTED TO MOVE ACROSS THE SOUTHERN PLAINS WEDNESDAY
AND THURSDAY BRINGING A CHANCE FOR SHOWERS AND ISOLATED STORMS.
OVERALL... RAINFALL AMOUNTS ARE EXPECTED TO REMAIN LIGHT. AFTER THIS
SYSTEM MOVES AWAY FROM THE FA... MODELS SHOW AN UPPER RIDGE
DEVELOPING OVER THE REGION THAT WILL CONT TO LEAD TO ABOVE AVERAGE
TEMPERATURES WITH HIGHS IN THE 80S ACROSS MOST OF THE AREA FRIDAY
THROUGH THE WEEKEND.

MODELS SHOW THE RIDGE SHIFTING EAST AS ANOTHER UPPER SYSTEM
APPROACHES THE CENTRAL U.S EARLY NEXT WEEK. THIS SYSTEM WOULD CAUSE
A COLD FRONT TO MOVE ACROSS THE REGION EARLY NEXT WEEK WITH A CHANCE
FOR SHOWERS AND THUNDERSTORMS. THE EXTENT OF THE RAIN IS IN QUESTION
AS THE MODELS DIFFER ON THE STRENGTH OF THIS SYSTEM. THE GFS IS
WEAKER WITH THE UPPER WAVE AND KEEPS IT MORE PROGRESSIVE SO THE
OPPORTUNITY FOR RAIN WILL BE SHORTER. WHEREAS THE ECMWF IS STRONGER
WITH THE WAVE AND IN FACT HAS A PORTION OF IT DEVELOPING INTO A CUT
OFF LOW THAT MOVES ACROSS THE SOUTHERN PLAINS. IF THIS WERE TO
HAPPEN RAIN CHANCES WOULD LINGER FOR A LONGER PERIOD OF TIME. WENT
AHEAD WITH SOME POPS MONDAY AND TUESDAY... MAINLY WITH THE COLD
FRONT THAT BOTH MODELS SHOW MOVING ACROSS THE AREA DURING THAT TIME.
WILL NEED TO WATCH MODEL TRENDS TO SEE IF POPS WILL NEED TO BE
EXTENDED FURTHER INTO THE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  81  57  78  57 /   0   0  10  50
HOBART OK         82  56  76  57 /   0   0  30  50
WICHITA FALLS TX  83  57  81  58 /   0   0  10  30
GAGE OK           81  54  74  53 /   0   0  30  40
PONCA CITY OK     79  55  79  58 /   0   0  10  50
DURANT OK         81  58  79  55 /   0   0  10  20

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

$$

11/25



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