SPC MD 1099

MD 1099 CONCERNING SEVERE THUNDERSTORM WATCH 316…317… FOR WRN NEB…ERN CO…WRN KS


MESOSCALE DISCUSSION 1099
NWS STORM PREDICTION CENTER NORMAN OK
0617 PM CDT SUN JUN 16 2013

AREAS AFFECTED...WRN NEB...ERN CO...WRN KS

CONCERNING...SEVERE THUNDERSTORM WATCH 316...317...

VALID 162317Z - 170045Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
316...317...CONTINUES.

SUMMARY...NUMEROUS THUNDERSTORM CLUSTERS WILL MERGE ACROSS THE CNTRL
HIGH PLAINS THIS EVENING.  LARGE HAIL/WIND THREAT REMAIN ACROSS BOTH
WW 316/317.

DISCUSSION...NUMEROUS DISCRETE THUNDERSTORM STRUCTURES HAVE SLOWLY
CONGEALED ACROSS THE HIGH PLAINS FROM WRN NEB...SWD ALONG THE CO/KS
BORDER.  AT LEAST THREE LARGER COMPLEXES HAVE EVOLVED WITHIN WATCH
316/317 AND FURTHER UPWARD EVOLUTION IS EXPECTED INTO THE EVENING
HOURS.  WITH TIME ONE OR MORE LARGE MCS-TYPE FEATURES SHOULD EMERGE
OVER THE HIGH PLAINS WITH SWD PROPAGATIONAL COMPONENT EXPECTED TO
DRIVE ACTIVITY ACROSS WRN KS.  IN THE SHORT TERM LARGE HAIL IS THE
PRIMARY SEVERE THREAT...THOUGH DAMAGING WIND THREAT COULD INCREASE
IF LARGER BOWING TYPE STRUCTURES EVOLVE.

PORTIONS OF NORTH CENTRAL KS MAY NEED TO BE ADDED TO ONGOING
WATCHES.

..DARROW.. 06/16/2013

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

ATTN...WFO...FSD...GID...LBF...DDC...UNR...GLD...PUB...BOU...

LAT...LON   37040357 40140339 40160142 43340286 43369966 40189836
            40199999 37050031 37040357

via SPC Forecast Products http://www.spc.noaa.gov/products/md/md1099.html