Prognostic Meteorological Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
044
FXUS01 KWBC 230747
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
247 AM EST MON JAN 23 2017

VALID 12Z MON JAN 23 2017 - 12Z WED JAN 25 2017

...MODERATE RISK OF SEVERE THUNDERSTORMS WILL PERSIST OVER FLORIDA
THROUGH EARLY MONDAY MORNING...

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

...HEAVY SNOW FOR THE SIERRAS...

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

SCATTERED TO WIDESPREAD SHOWERS AND THUNDERSTORMS HAVE CONTINUED
FROM OVERNIGHT ACROSS THE TENNESSEE VALLEY, THE SOUTHEAST AND THE
MID-ATLANTIC. AN IMPRESSIVE LOW PRESSURE SYSTEM WILL TRACK THROUGH
THE APPALACHIANS/SOUTHEAST AND LIFT NORTHEASTWARD ALONG THE
MID-ATLANTIC AND NORTHEAST COAST. A LINE OF DANGEROUS STORMS
CONTINUE TO PUSH THROUGH SOUTHERN FLORIDA THIS MORNING. THE STORM
PREDICTION CENTER HAS THIS AREA UNDER A MODERATE RISK THROUGH 7AM
TODAY. HEAVY RAINFALL WILL ALSO BE POSSIBLE WITH THIS SYSTEM AND
MAY LEAD TO LOCAL FLASH FLOODING - ESPECIALLY AREAS NEAR THE
SOUTHERN APPALACHIANS. AS THE SYSTEM PARALLELS THE EAST COAST THE
PRECIPITATION WILL SPREAD INTO THE NORTHEAST. EXCESSIVE RAINFALL
WILL BE POSSIBLE NEAR NEW JERSEY AND LONG ISLAND BY TUESDAY
MORNING.  ADDITIONALLY, SNOW WILL DEVELOP OVER PARTS OF MAINE BY
THIS EVENING AND WILL EXPAND INTO PARTS OF THE LOWER GREAT LAKES
AND CENTRAL APPALACHIANS - BECOMING A WINTRY MIX OF SNOW, SLEET,
AND OR RAIN/FREEZING RAIN OVERNIGHT MONDAY INTO TUESDAY.

MUCH OF CALIFORNIA, THE GREAT BASIN AND THE CENTRAL/SOUTHERN
ROCKIES WILL BE IN AN ACTIVE WET PATTERN AS A DEEP UPPER-LEVEL LOW
TRAVERSES FROM THE PACIFIC NORTHWEST EASTWARD TO THE CENTRAL HIGH
PLAINS. RAIN AND HIGHER ELEVATION SNOW IS EXPECTED TO DEVELOP OVER
CALIFORNIA AND SNOW OVER THE WESTERN GREAT BASIN WILL 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 TODAY AND WILL EXPAND INTO PARTS OF
THE NORTHERN/CENTRAL HIGH PLAINS TONIGHT AND INTO TUESDAY.


CAMPBELL


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





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.