ZCZC SPCSWODY1 ALL ACUS01 KWNS 100452 SPC AC 100428 STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK DAY 1 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWE46 KWNS. VALID 101200Z - 111200Z NO TSTM AREAS FCST. ...SYNOPSIS... CONTINENTAL POLAR AIRMASS WILL CONTINUE TO DOMINATE MUCH OF THE NATION EAST OF CONTINENTAL DIVIDE WITH AIR OF ARCTIC ORIGIN SEEPING SWD ACROSS THE GREAT LAKES AND NEW ENGLAND. PACIFIC MOISTURE WILL STREAM INLAND ACROSS THE WEST...GREAT BASIN...AND ROCKIES ON WEAK MIDLEVEL WLY FLOW AND A WEAK DISTURBANCE OVER MEXICO WILL LIKELY SPREAD INCREASING MOISTURE ACROSS THE LOWER RIO GRANDE VALLEY. HOWEVER...WEAK INSTABILITY IN ALL AREAS WILL AGAIN PRECLUDE TSTM DEVELOPMENT. ..CARBIN.. 01/10/03 NNNN |