Area Forecast Discussion
Issued by NWS Tulsa, OK

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FXUS64 KTSA 201958
AFDTSA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
258 PM CDT SUN APR 20 2014

.DISCUSSION...
UPPER WAVE...CURRENTLY MOVING INTO THE OKLAHOMA PANHANDLE WILL
CONTINUE SHIFTING EAST INTO THE AREA TONIGHT. SHOWERS WILL BEGIN
TO INCREASE IN COVERAGE THIS AFTERNOON INTO THE EVENING HOURS WITH
SCATTERED THUNDERSTORMS DEVELOPING AS MID LEVEL LAPSE RATES CONTINUE
TO STEEPEN IN ASSOCIATION WITH APPROACHING WAVE. SCATTERED SHOWERS
AND THUNDERSTORMS WILL LIKELY CONTINUE THROUGH MUCH OF THE DAY
MONDAY BEFORE UPPER TROUGH AXIS SHIFTS EAST MONDAY EVENING.

WEAK FRONT WILL MOVE INTO NORTHEAST OKLAHOMA/NORTHWEST ARKANSAS
MONDAY NIGHT WITH DRY AIR FILTERING INTO THE AREA BEHIND BOUNDARY
INTO TUESDAY. UPPER RIDGE WILL QUICKLY BUILD OVER THE SOUTHERN
PLAINS BY MID WEEK. WARM/WINDY CONDITIONS WILL DEVELOP DURING THE
DAY WEDNESDAY AS LOW LEVEL MOISTURE QUICKLY SURGES BACK NORTH.
SCATTERED THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY NIGHT INTO
THURSDAY AS ANOTHER COOL FRONT MOVES INTO THE AREA BEFORE STALLING
OVER SOUTHEAST OKLAHOMA/WEST CENTRAL ARKANSAS THURSDAY NIGHT.

ZONAL FLOW ALOFT DEVELOPS FRIDAY INTO THE WEEKEND WITH THE POTENTIAL
FOR A SERIES OF UPPER LEVEL DISTURBANCES TO TRAVERSE THE AREA.
ATMOSPHERE IS EXPECTED TO BECOME UNSTABLE BY THIS TIME AS RICH
GULF MOISTURE INCREASES ALONG/SOUTH OF STALLED FRONT WITH STRENGTHENING
WIND FIELDS ALOFT. COULD SEE MULTIPLE ROUNDS OF SEVERE WEATHER
DURING THIS TIME CONTINUING INTO SUNDAY AS POTENT UPPER LOW MOVES
OUT OF THE CENTRAL ROCKIES.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   60  75  53  77 /  80  60  10   0
FSM   60  76  57  78 /  70  60  40   0
MLC   61  74  57  78 /  80  60  30   0
BVO   59  76  48  78 /  80  60  10   0
FYV   57  72  52  72 /  80  70  40   0
BYV   57  75  52  74 /  70  80  40   0
MKO   60  74  54  76 /  80  60  20   0
MIO   59  76  51  76 /  70  60  20   0
F10   60  74  55  77 /  80  60  20   0
HHW   61  74  59  79 /  70  60  40   0

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&

$$

SHORT TERM...14
LONG TERM....12





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