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000
ACUS11 KWNS 250450
SWOMCD
SPC MCD 250450
NEZ000-250545-

MESOSCALE DISCUSSION 0794
NWS STORM PREDICTION CENTER NORMAN OK
1150 PM CDT FRI MAY 24 2013

AREAS AFFECTED...S CENTRAL AND CENTRAL NEB

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 250450Z - 250545Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...STORMS WILL CONTINUE TO CONGEAL INTO AN MCS ACROSS S
CENTRAL/CENTRAL NEB THE NEXT FEW HOURS...WITH ISOLATED LARGE HAIL
THE MAIN THREAT.  A NEW SEVERE THUNDERSTORM WATCH WILL BE POSSIBLE.

DISCUSSION...CONVECTION CONTINUES TO DEVELOP ACROSS S CENTRAL INTO
CENTRAL NEB IN A ZONE OF INCREASING LOW-LEVEL WAA...ON THE NOSE OF A
50 KT LLJ.  THE STORMS CURRENTLY RESIDE IN THE LINGERING INSTABILITY
AXIS ACROSS S CENTRAL NEB...WITH INSTABILITY EXPECTED TO DIMINISH
GRADUALLY OVERNIGHT AND WITH EWD EXTENT.  AS SUCH...THERE WILL BE A
RISK OF PRIMARILY LARGE HAIL IN THE NEXT COUPLE OF HOURS WHEN THE
STORMS ARE AT THEIR PEAK AND STILL MAINTAIN SOME SUPERCELL
STRUCTURE.  THE CONVECTION WILL ALSO TEND TO BECOME A LITTLE MORE
ELEVATED WITH TIME AS THE SURFACE LAYER COOLS...WHICH WILL BECOME
MORE HOSTILE FOR DAMAGING GUSTS AT THE SURFACE.  THE SITUATION WILL
BE DISCUSSED WITH THE WFO HASTINGS TO DETERMINE THE NEED FOR A NEW
SEVERE THUNDERSTORM WATCH.

..THOMPSON/GUYER.. 05/25/2013

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

ATTN...WFO...OAX...GID...LBF...GLD...

LAT...LON   41479731 40959723 40579765 40269860 40050025 40340096
            40880108 41460057 41999939 42109810 41859756 41479731

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