Severe Thunderstorm Warning 185, NWS Norman, OK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
340 PM CDT SAT APR 29 2000

OUTFLOW BOUNDARY GENERATED BY THIS MORNINGS CONVECTION HAS BECOME
WELL DEFINED ON SATELLITE THIS AFTERNOON ACROSS NORTHWEST TEXAS INTO
THE TEXAS PANHANDLE AS CU FIELD BUILDS NEAR AND SOUTH OF THE
BOUNDARY. MEANWHILE... AIRMASS NEAR AND SOUTHWEST OF THE BOUNDARY
BECOMING INCREASINGLY UNSTABLE WITH LIS MINUS 6 TO MINUS 10.
SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON AND
EVENING NEAR THE OUTFLOW BOUNDARY... WITH ACTIVITY THAT DOES DEVELOP
MOVING ACROSS PORTIONS OF WESTERN NORTH TEXAS AND INTO WESTERN
OKLAHOMA. MEANWHILE... DRYLINE NEAR THE TEXAS-NEW MEXICO BORDER THIS
AFTERNOON IS ANOTHER POSSIBLE FOCUS FOR THUNDERSTORM DEVELOPMENT
DURING THE NEXT SEVERAL HOURS. HOWEVER... THIS ACTIVITY WILL LIKELY
TAKE SEVERAL HOURS TO REACH WESTERN PORTIONS OF THE FORECAST AREA.
REMNANTS OF THESE THUNDERSTORMS MAY REACH CENTRAL ZONES TOWARDS
MORNING... SIMILAR TO LAST NIGHTS SCENARIO. IN THE LONGER TERM...
UPPER LOW NEAR THE FOUR CORNERS AREA STILL PROGGED BY THE MODELS TO
MOVE RATHER SLOWLY EAST THE NEXT FEW DAYS. AT THE SAME TIME...
INCREASING SOUTH WINDS WILL CONTINUE TO DRAW DEEPER MOISTURE NORTH
INTO THE AREA. THE RESULT WILL BE AN IMPROVING LIKELIHOOD OF SHOWERS
AND THUNDERSTORMS OVER OKLAHOMA AND NORTH TEXAS SUNDAY INTO MONDAY.
SLOW MOVEMENT OF THE UPPER SYSTEM WILL RESULT IN A GOOD CHANCE OF
PRECIP INTO WEDNESDAY. POTENTIAL WILL ALSO EXIST DURING THE NEXT FEW
DAYS FOR LOCALLY HEAVY RAINFALL. GENERALLY NO MAJOR CHANGES IN
TEMPERATURES THROUGH MIDWEEK AS CLOUDS AND MOISTURE WILL TEND TO
HOLD HIGHS IN THE 70S AND LOWS IN THE MID 50S TO LOWER 60S. AREAS
THAT MANAGE TO GET A LITTLE MORE SUN... MAINLY THE SOUTHWEST...
COULD JUMP UP INTO THE 80S.

FCSTID = 32
OKC   61  75  62  72 /  30  50  70  70
HBR   61  75  60  73 /  50  50  70  60
SPS   63  79  62  76 /  60  50  70  60
GAG   59  72  58  68 /  50  60  60  60
PNC   60  74  60  71 /  30  60  70  70
DUA   61  77  61  75 /  10  40  60  60

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