521
FXUS01 KWBC 301811
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
110 PM EST MON DEC 30 2024
VALID 00Z TUE DEC 31 2024 - 00Z THU JAN 02 2025
..COOLING TREND SPREADS FROM WEST TO EAST THIS WEEK.
...FIRE WEATHER CONCERNS FOR PORTIONS OF SOUTHERN CALIFORNIA
THROUGH MID-WEEK...
SYSTEMS MOVING BY THE NORTHERN INTERMOUNTAIN WEST BRING THE
PROMISE OF SNOWY PERIODS IN AND NEAR WESTERN MONTANA, IDAHO, AND
WYOMING THROUGH WEDNESDAY. THE FIRST OF THOSE SYSTEMS MOVES OUT
INTO THE MIDWEST, OHIO VALLEY, AND NORTHEAST, BRINGING RAIN AND
THUNDERSTORMS NEAR AND TO THE CYCLONE'S EAST, WITH THUNDERSTORMS
MOST LIKELY ACROSS PORTIONS OF THE EASTERN SHORE AND NEW JERSEY ON
THE AFTERNOON AND EARLY EVENING OF NEW YEAR'S EVE. AS THE CYCLONE
MOVES THROUGH THE NORTHEAST ON WEDNESDAY, BOTH LAKE EFFECT AND
LAKE ENHANCED SNOWS WILL SPREAD THROUGH THE GREAT LAKES AND INTO
THE NORTHERN AND CENTRAL APPALACHIANS. SOME MIXED PRECIPITATION
IS EXPECTED ACROSS CENTRAL NEW ENGLAND.
A SYSTEM ARRIVING FROM THE PLAINS SYSTEM WILL PROMOTE SNOW SHOWERS
FOR THE BROADER GREAT LAKES REGION ON TUESDAY. A COOLING TREND
STARTED IN THE WEST EXPANDS EAST THROUGH THE REST OF THE COUNTRY
OVER THE NEXT COUPLE OF DAYS. BUILDING HIGH PRESSURE ACROSS THE
GREAT BASIN IS EXPECTED TO INCREASE WINDS ACROSS SOUTHERN
CALIFORNIA OVER THE NEXT COUPLE OF DAYS, PROMOTING AN INCREASED
FIRE WEATHER RISK WHICH COULD BECOME CRITICAL THROUGH MID-WEEK.
WIND ADVISORIES, A RED FLAG WARNING, AND A FIRE WEATHER WATCH HAVE
ALL BEEN POSTED FOR THE AREA.
ROTH
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