ZCZC SPCSWOMCD ALL
ACUS11 KWNS 062334 
SPC MCD 062334 
OKZ000-KSZ000-TXZ000-070100-

MESOSCALE DISCUSSION 0525
NWS STORM PREDICTION CENTER NORMAN OK
0634 PM CDT WED MAY 06 2015

AREAS AFFECTED...WRN AND CENTRAL OK/WRN N TX

CONCERNING...TORNADO WATCH 133...

VALID 062334Z - 070100Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 133 CONTINUES.

SUMMARY...SEVERAL SEVERE/SUPERCELL STORMS CONTINUE ACROSS THE WW
AREA.  RISK FOR LARGE HAIL AND DAMAGING WINDS ALONG WITH ISOLATED
TORNADOES CONTINUES.

DISCUSSION...LATEST RADAR LOOP SHOWS A CLUSTER OF LARGE
SEVERE/ROTATING STORMS ACROSS WRN N TX ATTM...WHERE SEVERAL REPORTS
OF GOLF-BALL SIZED HAIL HAVE BEEN RECEIVED.  ANOTHER CLUSTER OF
STORMS IS ONGOING ACROSS N CENTRAL/NWRN OK...AND HERE TOO LARGE HAIL
OF GOLF BALL AND UP TO TENNIS-BALL SIZE HAS BEEN REPORTED.

THE GREATEST TORNADO RISK HAS EXISTED WITH A THIRD CLUSTER OF STORMS
ACROSS CENTRAL OK...WHERE A LARGE SUPERCELL CONTINUES TO MOVE ACROSS
NRN CLEVELAND CO ATTM.  THIS STORM HAS PRODUCED TORNADOES...ALONG
WITH WIND GUSTS TO 70 MPH IN THE PAST HOUR.  JUST W OF THIS INITIAL
STORM...TWO ADDITIONAL SUPERCELLS CONTINUE TO EVOLVE...WITH LARGE
HAIL AND DAMAGING WINDS THE MOST LIKELY THREATS AT THIS TIME.

EXPECT OVERALL RISK TO CONTINUE OVER THE NEXT COUPLE OF HOURS...AS
THE BACKGROUND KINEMATIC/THERMODYNAMIC ENVIRONMENT REMAINS
FAVORABLE.  WHILE VERY WEAK/GRADUAL BOUNDARY-LAYER STABILIZATION
WILL COMMENCE THROUGH/AFTER SUNSET...SOME INCREASE IN LOW-LEVEL WIND
SPEEDS MAY OFFSET THIS -- MAINTAINING AN ENVIRONMENT SUPPORTIVE OF
SEVERE STORMS WELL INTO THE EVENING.

..GOSS.. 05/06/2015

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TSA...ICT...FWD...OUN...SJT...

LAT...LON   32499983 36849996 37029710 35319681 32519739 32499983 

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