SWOMCD
SPC MCD 200111
IAZ000-SDZ000-NEZ000-200215-
MESOSCALE DISCUSSION 1723
NWS STORM PREDICTION CENTER NORMAN OK
0811 PM CDT THU AUG 19 2010
AREAS AFFECTED...SD NE
CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY
VALID 200111Z - 200215Z
...MCD FOR SEVERE TSTM WATCH 625...AND THE POSSIBILITY OF AREAS IN
SERN SD AND NERN NE BEING ADDED TO THIS WATCH...
SPC HAS REGAINED FORECAST AND WATCH OPERATIONS FROM SCOTT AFB
OPERATIONAL WEATHER SQUADRON /OWS/ AS OF 0100 UTC/20 AUG AFTER AIR
FORCE FORECASTERS ISSUED AN EXCEPTIONAL FORECAST WATCH EARLIER THIS
EVENING.
SEVERE THUNDERSTORM POTENTIAL CONTINUES ACROSS VALID PORTIONS OF THE
WATCH AS A CLUSTER OF INTENSE CONVECTION SPREADS EAST/NORTHEAST
ACROSS INSTABILITY AXIS SITUATED OVER THE CENTRAL PLAINS. THIS
CLUSTER OF STORMS WILL LIKELY BE SUSTAINED BY STRONG LARGE SCALE
FORCING WITH UPPER TROUGH AND MODEST MID LEVEL FLOW TRANSLATING EWD
FROM THE ROCKIES THROUGH LATE EVENING. SOME AREAS OF SERN SD AND
NERN NE MAY NEED TO BE ADDED TO THE EXISTING WATCH AT THE DISCRETION
OF LOCAL NWS OFFICES IN THOSE AREAS. PRIMARY THREAT FROM THESE
STORMS WILL REMAIN LOCALLY DAMAGING WINDS.
..CARBIN.. 08/20/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FSD...OAX...ABR...GID...LBF...UNR...GLD...
LAT...LON 44909964 44889870 44629870 44619786 44539785 44519710
44529654 44149650 43689648 43499664 43109651 42699663
42429686 41979704 41429739 41469827 40689822 40669869
40039870 40000069 40320074 40340125 41710130 41760084
41990087 42120025 44150027 44159960 44909964
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