257 
FXUS64 KTSA 282039
AFDTSA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
339 PM CDT FRI JUN 28 2013

.DISCUSSION...
COOLER TODAY THAN YESTERDAY...EXCEPT EXTREME SOUTHEAST
OK NEAR RED RIVER WHERE HEAT INDEX VALUES EXCEEDED 105
THIS AFTERNOON.

RARE... FOR SUMMER...HIGH AMPLITUDE PATTERN TAKES SHAPE
OVER THE NEXT SEVERAL DAYS. GREAT LAKES UPPER LOW AIDED
BY A MANITOBA SHORT WAVE DIVES SOUTH TO MID MISSISSIPPI
VALLEY / OHIO VALLEY.  MEANWHILE PERSISTENT UPPER RIDGE
OVER THE WESTERN U.S. DRIFTS WEST AND EVENTUALLY BUILDS
TO THE PACIFIC NORTHWEST AND CANADIAN ROCKIES.  EASTERN
OKLAHOMA  NORTHWEST ARKANSAS WILL BE SANDWICHED BETWEEN
THE FEATURES...WITH SOME NICE COOL WEATHER AS A RESULT.

PROXIMITY OF SHORT WAVE ENERGY DIVING SOUTH THROUGH THE
PLAINS INTO MISSISSIPPI VALLEY DICTATES LOW POPS SUNDAY
AFTERNOON EXTREME NORTHEAST OK / NORTHWEST AR AND AGAIN
MONDAY AFTERNOON EAST.

WESTERN RIDGE BEGINS TO BREAK DOWN ABOUT MID WEEK WHICH
WILL ALLOW  RETROGRESSION  OF MISSISSIPPI VALLEY TROUGH
INTO THE SOUTHERN PLAINS.  RAIN CHANCES INCREASE TOWARD 
THE END OF THE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   67  90  62  83 /   0   0   0  10 
FSM   69  90  65  84 /   0   0   0  10 
MLC   67  91  63  84 /   0   0   0  10 
BVO   62  89  59  83 /   0   0   0  10 
FYV   60  84  56  78 /   0   0   0  10 
BYV   64  83  59  76 /   0   0   0  20 
MKO   65  88  62  82 /   0   0   0  10 
MIO   65  86  61  80 /   0   0   0  10 
F10   67  89  63  82 /   0   0   0  10 
HHW   71  93  66  87 /   0   0   0  10 

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...HEAT ADVISORY UNTIL 7 PM FRIDAY FOR OKZ049-OKZ053.

AR...NONE.
&&

$$

SHORT TERM...21
LONG TERM....21