May 24, 2013
COOLER PATTERN WILL SET UP FOR THE LONG RANGE WITH THE EASTERN TROUGH OF EARLY DECEMBER BECOMING REESTABLISHED. WHILE AIR MASS BEHIND WEDNESDAYS FRONT WILL LEAD TO A SIGNIFICANT COOL DOWN...BELOW NORMAL TEMPERATURES ARE LIKELY TO HOLD OFF UNTIL AFTER THE SUCCEEDING FRONTAL PASSAGE. ECMWF/GFS DIFFER ON THE TIME OF THIS FRONT WITH GFS RUNNING 12 TO 24 HOURS FASTER. HOWEVER...DOES APPEAR THAT THIS FRONT...AFTER A LINE OF SHOWERS / THUNDERSTORMS... WILL USHER IN A MUCH COLDER AIR MASS FOR LATE IN THE WEEKEND OR EARLY NEXT WEEK.
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