Prognostic Meteorological Discussion
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000
FXUS01 KWBC 291957
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
356 PM EDT FRI APR 29 2016

VALID 00Z SAT APR 30 2016 - 00Z MON MAY 02 2016

...SEVERE THUNDERSTORMS POSSIBLE ACROSS PARTS OF THE SOUTHERN
PLAINS INTO PARTS OF THE LOWER AND MIDDLE MISSISSIPPI VALLEY
THROUGH SUNDAY MORNING...

...HEAVY RAIN POSSIBLE OVER PARTS OF EASTERN TEXAS, THE LOWER
MISSISSIPPI VALLEY, WESTERN TENNESSEE VALLEY AND WEST VIRGINIA...

...SNOW OVER PARTS OF THE CENTRAL ROCKIES AND CENTRAL HIGH
PLAINS...

SCATTERED TO WIDESPREAD SHOWERS AND THUNDERSTORMS CONTINUE TO
IMPACT PORTIONS OF THE SOUTHERN AND CENTRAL PLAINS, LOWER AND
MIDDLE MISSISSIPPI VALLEY AND WESTERN TENNESSEE VALLEY. STRONG TO
SEVERE STORMS ARE DUMPING EXCESSIVE RAINFALL AS THEY MOVE THROUGH
THE AREA. A FEW LOCATIONS ALREADY HAVE ONGOING FLOODING, HOWEVER
THE RISK ACROSS THE ENTIRE REGION WILL REMAIN ELEVATED THROUGH THE
WEEKEND AS THE FRONTAL SYSTEM TRACKS EASTWARD. MEANWHILE,
UPPER-LEVEL ENERGY OVER THE GREAT LAKES WILL MOVE EASTWARD OFF THE
NORTHERN MID-ATLANTIC COAST BY SATURDAY MORNING, PRODUCING RAIN
FROM THE GREAT LAKES TO THE NORTHERN MID-ATLANTIC AND SOUTHERN NEW
ENGLAND BY EARLY SATURDAY MORNING BEFORE ENDING.

ON THE COLD SIDE OF THE SYSTEM, PRIMARILY CENTRAL ROCKIES AND THE
ADJACENT PLAINS, RAIN AND SNOW IS OCCURRING. NUMEROUS WINTER STORM
WARNING AND ADVISORIES ARE IN EFFECT FOR THE ROCKIES IN
NORTH-CENTRAL NEW MEXICO AND COLORADO, SOUTHEAST WYOMING AND THE
WESTERN HALF OF NEBRASKA. SNOW WILL PERSIST  OVER PARTS OF THE
HIGH PLAINS INTO SATURDAY AND THROUGH THE WEEKEND ACROSS PORTIONS
OF COLORADO. TOTAL SNOW ACCUMULATIONS FROM THIS SYSTEM WILL VARY
GREATLY AT LOWER ELEVATIONS - 1 TO 6 INCHES WILL BE COMMON.
ISOLATED AREAS IN SOUTHWEST COLORADO, SOUTHEAST WYOMING AND THE
NEBRASKA PANHANDLE COULD RANGE FROM 8 TO 18 INCHES BY MONDAY
EVENING.

A COLD FRONT PLUNGING THROUGH CALIFORNIA AND GREAT BASIN IS
BRINGING ADDITIONAL RAIN AND HIGHEST ELEVATION SNOW OVER PARTS OF
THE NORTHERN INTERMOUNTAIN REGION AND THE NORTHERN ROCKIES TODAY.
AS THE SYSTEM CONTINUES TO MOVE SOUTH THROUGH THE SOUTHWEST AND
SOUTHERN ROCKIES, RAIN WITH EMBEDDED THUNDERSTORMS WILL DEVELOP
OVER THE GREAT BASIN AND SOUTHERN ROCKIES AND EXPAND NORTHWARD
INTO THE CENTRAL/NORTHERN ROCKIES BY SATURDAY EVENING.


CAMPBELL


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV
$$





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