Severe Thunderstorm Warning 540, NWS Norman, OK

FPUS3 KOKC 212051
AFDOKC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
345 PM CDT MON SEP 21 1998

EVOLUTION OF SLOW MOVING COLD FRONT FROM CENTRAL KANSAS
SOUTHWESTWARD INTO PANHANDLES AND RESULTING IMPACT TO TEMPERATURES
WILL BE MAIN FORECAST CHALLENGE THIS TIME AROUND. AIR BEHIND FRONT
IS THE COOLEST SO FAR THIS MONTH WITH 50S ACROSS WESTERN KANSAS THIS
AFTERNOON. GIVEN CLIMATOLOGY FOR EARLY FALL COLD FRONTS...PRESSURE
RISES ACROSS WESTERN KANSAS AND TRENDS IN RUC OVER PAST COUPLE OF
RUNS...BELIEVE FRONT WILL PROGRESS A BIT FURTHER SOUTH THAN
SUGGESTED BY THE ETA.

BY TUESDAY INTO TUESDAY NIGHT BAROCLINIC ZONE WILL BE GENERALLY
EAST-WEST ACROSS NORTHERN OKLAHOMA. TEMPERATURES HIGHLY DEPENDENT ON
FINAL RESTING PLACE OF FRONT AND CLOUDS THUS SIGNIFICANT POTENTIAL
EXISTS FOR ERROR AND LATER UPDATES.

IN THE MEANTIME...SOME SEVERE STORMS POSSIBLE ALONG AND NORTH OF
INTERSTATE 40 THIS EVENING WHERE HIGH CAPES MEETS OLD OUTFLOW
BOUNDARY.  ..16..

PRELIM NUMBERS...
FCSTID = 16
OKC   68  85  63  82 /  30  30  20  20
HBR   69  93  65  92 /  20  20  20  20
SPS   69  93  65  92 /  20  20  20  20
GAG   57  68  56  78 /  30  20  20  20
PNC   61  76  64  80 /  50  30  20  20
DUA   71  94  67  89 /  20  20  20  20

.OUN...
OK...NONE.
TX...NONE.