SWOMCD
SPC MCD 121503
MSZ000-TNZ000-ARZ000-OKZ000-121630-
MESOSCALE DISCUSSION 1073
NWS STORM PREDICTION CENTER NORMAN OK
1003 AM CDT FRI JUN 12 2009
AREAS AFFECTED...PARTS OF ERN OK / AR / NRN MS / SWRN TN
CONCERNING...OUTLOOK UPGRADE
VALID 121503Z - 121630Z
REGION WILL BE UPGRADED TO A MODERATE RISK FOR THE 1630Z CONVECTIVE
OUTLOOK.
AS MENTIONED IN MCD 1072...REGIONAL SOUNDINGS INDICATED THE PRESENCE
OF ANY ALREADY STRONGLY UNSTABLE AIR MASS WITH MUCAPE OF 3000-4000
J/KG. 12/00Z HIGH RESOLUTION MODEL RUNS HAVE VERIFIED REMARKABLY
WELL WITH THE EVOLUTION OF NERN OK BOW ECHO WITH THESE DATA TAKING
SYSTEM THROUGH AR INTO NRN MS TODAY. GIVEN THE DEGREE OF
INSTABILITY AND 40-50 KT OF DEEP-LAYER SHEAR...SETUP WILL BE
FAVORABLE FOR A CORRIDOR OF SIGNIFICANT WIND AND HAIL DAMAGE.
ADDITIONAL STORMS DEVELOPING DOWNSTREAM FROM BOW ECHO WILL ALSO POSE
A RISK OF LARGE HAIL AND DAMAGING WINDS.
..MEAD.. 06/12/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MEG...JAN...LZK...SHV...TSA...
LAT...LON 34989526 36049547 36469496 36189190 34828813 33818826
33288875 33669129 34369429 34989526
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