Prognostic Meteorological Discussion
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000
FXUS01 KWBC 222034
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
333 PM EST SUN JAN 22 2017

VALID 00Z MON JAN 23 2017 - 00Z WED JAN 25 2017

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE
SOUTHEAST INTO PARTS OF THE SOUTHERN MID-ATLANTIC WITH AN EMBEDDED
REGION OF MODERATE AND HIGH RISK...

...HEAVY RAIN POSSIBLE ALONG THE SOUTHERN CALIFORNIA COAST...

...HEAVY SNOW FOR THE SIERRAS...

...HEAVY RAIN OVER PARTS OF SOUTHERN NEW ENGLAND...

LOW PRESSURE OVER THE SOUTHERN APPALACHIANS WILL MOVE
NORTHEASTWARD TO OFF THE MID-ATLANTIC COAST BY TUESDAY.  SHOWERS
AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE SOUTHEAST THROUGH
MONDAY MORNING, SOME OF THE THUNDERSTORMS WILL BE SEVERE.  RAIN
WILL ALSO DEVELOP OVER PARTS OF THE LOWER MISSISSIPPI VALLEY TO
SOUTHEAST AND PARTS OF THE GREAT LAKES/OHIO VALLEY ALONG WITH
PARTS OF THE MID-ATLANTIC THAT WILL END OVER THE LOWER MISSISSIPPI
VALLEY BY MONDAY AND OVER THE SOUTHEAST OVERNIGHT MONDAY.  THE
RAIN WILL ALSO END OVER MOST OF THE OHIO VALLEY BY TUESDAY
MORNING.  SNOW WILL DEVELOP OVER PARTS OF MAINE ON SUNDAY EVENING
THAT WILL EXPAND INTO PARTS OF THE LOWER GREAT LAKES AND CENTRAL
APPALACHIANS THAT WILL BECOME A WINTRY MIX OF SNOW, SLEET, AND OR
RAIN/FREEZING RAIN OVERNIGHT MONDAY INTO TUESDAY.

MEANWHILE, A DEEP UPPER-LEVEL LOW JUST OFF THE NORTHWEST COAST
WILL MOVE EASTWARD TO THE CENTRAL HIGH PLAINS BY TUESDAY.
MOISTURE FLOWING INTO SOUTHERN/CENTRAL CALIFORNIA WILL SLOWLY
WEAKEN OVERNIGHT SUNDAY.  THE STORM WILL PRODUCE COASTAL RAIN AND
HIGHER ELEVATION SNOW OVER THE PACIFIC NORTHWEST AND SNOW OVER THE
NORTHERN ROCKIES THAT WILL WANE ON MONDAY.  RAIN AND HIGHER
ELEVATION SNOW WILL ALSO DEVELOP OVER CALIFORNIA AND SNOW OVER THE
WESTERN GREAT BASIN THAT WILL START TO WANE BY TUESDAY MORNING.
SNOW AND LOWER ELEVATION RAIN WILL DEVELOP OVER PARTS OF THE GREAT
BASIN, SOUTHWEST THAT WILL MOVE INTO PARTS OF THE CENTRAL/SOUTHERN
ROCKIES BY MONDAY MORNING.  IN ADDITION, SNOW AND RAIN WILL
DEVELOP OVER PARTS OF THE NORTHERN/CENTRAL PLAINS BY MONDAY
EVENING CONTINUING THROUGH TUESDAY.


ZIEGENFELDER


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP
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