641
FXUS01 KWBC 212011
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
410 PM EDT MON SEP 21 2009
VALID 00Z TUE SEP 22 2009 - 12Z WED SEP 23 2009
AN ACTIVE WEATHER PATTERN IS SETTING UP OVER THE NATIONS
MIDSECTION...WITH AN EARLY TASTE OF WINTER FOR CENTRAL COLORADO
OVER AND JUST EAST OF THE MOUNTAINS. A DEEPENING UPPER LOW HAS
SPREAD ONE PATCH OF RAIN AND SNOW THROUGH THE CENTENNIAL STATE
TODAY...WITH MORE TO COME WEDNESDAY AS MOISTURE WRAPS BACK INTO
THE REGION FROM THE NORTHEAST. FARTHER OUT ON THE
PLAINS...SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG THE COLD
FRONT ASSOCIATED WITH THE STRONG SYSTEM ALOFT. TO THE
EAST...ANOTHER ZONE OF ACTIVE SHOWERS WILL EXTEND FROM THE GULF
COAST UP THE SPINE OF THE APPALACHIANS... TRIGGERED BY AN UPPER
LEVEL DISTURBANCE. SCATTERED SHOWERS ARE ANTICIPATED OVER THE
SOUTHEAST...ENHANCED BY A TROPICAL WAVE APPROACHING FROM THE
ATLANTIC. THE FAR WEST WILL BE HIGH AND DRY.
CISCO
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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