Area Forecast Discussion
Issued by NWS Tulsa, OK

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000
FXUS64 KTSA 251241
AFDTSA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
741 AM CDT MON MAY 25 2015

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
THE FLASH FLOOD WATCH HAS BEEN EXPANDED TO INCLUDE ALL OF
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS FOR THIS AFTERNOON
THROUGH TONIGHT/TUESDAY MORNING. LATEST SHORT TERM MODEL
GUIDANCE/CONVECTIVE TRENDS SUGGEST THAT STRONG TO SEVERE
MCS WILL MOVE THROUGH THE AREA THIS AFTERNOON WITH THE POTENTIAL
FOR SEVERE WEATHER AND HEAVY RAINFALL.

&&

.PREV DISCUSSION... /ISSUED 648 AM CDT MON MAY 25 2015/

AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
PATCHY FOG / LOW CLOUDS WILL BEGIN TO SLOWLY LIFT THIS MORNING.
MAIN CONCERN WILL BE CONVECTIVE COMPLEX CURRENTLY OVER WEST-
CENTRAL TEXAS TRACKING NORTHEAST INTO THE AREA THIS AFTERNOON.
IFR CONDITIONS WILL BE LIKELY IN THE STRONGER CELLS AS COMPLEX
SWEEPS AREA FROM SW TO NE. LINGERING PRECIPITATION WILL BE
POSSIBLE TONIGHT WITH PATCHY FOG / LOWER CLOUD CEILINGS
REDEVELOPING.

AS A SIDE NOTE: CURRENTLY EVALUATING WHETHER FLASH FLOOD WATCH
NEEDS TO BE EXPANDED FURTHER NORTH INTO NORTHEAST OKLAHOMA GIVEN
POTENTIAL MCS TRACK.

PREV DISCUSSION... /ISSUED 456 AM CDT MON MAY 25 2015/

DISCUSSION...
FLOOD WATCH SOUTHEAST/EAST CENTRAL OKLAHOMA AND
WEST CENTRAL AND NORTHWEST ARKANSAS FROM 4 PM TO
NOON TUESDAY.

UPPER WAVE  HAS ROUNDED THE BEND FAR WEST TEXAS
AND IS HEADED FOR SOUTHEAST OK. A WIDE SPECTRUM
MODEL SOLUTIONS...WITH GFS SHUNTING BULK PRECIP
TO SOUTHEAST WHILE ECMWF PLACES MAX PRECIP OVER
WATCH AREA. EVER WET CANADIAN MODEL PLACES MORE
THAN 2 INCH PRECIP OVER ALL OF SOUTHEAST OK AND
WEST CENTRAL AR IN A...6 HOUR PERIOD..ENDING AT
06Z!  LATEST HRRR RUNS GIVE CREDENCE TO GENERAL
ECMWF SOLUTION.  ALMOST ANY PRECIP FROM THUNDER
WILL BE CAPABLE OF 1 INCH/ 30 MIN RAINFALL RATE
AND INITIATE FLOODING. STAY INFORMED STAY TUNED.

MOST PRECIPITATION WILL OVER BY TUESDAY MORNING.

NO REAL BREAK..THE REST OF THIS SHORT WORK WEEK
WITH CHANCE SHOWERS/THUNDER MENTIONED EVERY DAY.
MOST SIGNIFICANT CHANCE OF RAIN COMING OVER THE
WEEKEND (OF COURSE) AS YET ANOTHER POTENT UPPER
WAVE MOVES FROM THE WESTERN STATES INTO PLAINS.
GW

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   81  63  82  65 /  60  40  20  50
FSM   81  64  82  68 /  80  90  30  40
MLC   78  64  82  68 /  90  60  20  40
BVO   81  60  82  62 /  60  30  20  50
FYV   78  62  79  62 /  60  80  30  40
BYV   80  64  80  63 /  50  80  30  40
MKO   78  63  81  66 /  60  60  20  50
MIO   79  63  81  63 /  50  50  20  50
F10   77  61  80  65 /  80  50  20  50
HHW   78  64  82  67 /  90  80  20  40

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH FROM 1 PM MONDAY TO NOON TUESDAY FOR OKZ049-
     OKZ053-OKZ054-OKZ055-OKZ056-OKZ057-OKZ058-OKZ059-OKZ060-
     OKZ061-OKZ062-OKZ063-OKZ064-OKZ065-OKZ066-OKZ067-OKZ068-
     OKZ069-OKZ070-OKZ071-OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.

AR...FLASH FLOOD WATCH FROM 1 PM MONDAY TO NOON TUESDAY FOR ARZ001-
     ARZ002-ARZ010-ARZ011-ARZ019-ARZ020-ARZ029.

&&

$$

SHORT TERM...12




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