Prognostic Meteorological Discussion
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000
FXUS01 KWBC 300807
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
406 AM EDT SAT MAY 30 2015

VALID 12Z SAT MAY 30 2015 - 12Z MON JUN 01 2015

...HEAVY RAIN AND FLASH FLOODING POSSIBLE ALONG A SLOW-MOVING COLD
FRONT THIS WEEKEND....

A STRONG COLD FRONT DROPPING OUT OF THE NORTHERN PLAINS WILL
CONTINUE TO PRESS SOUTH AND EAST TODAY---PRODUCING PERIODS OF
SHOWERS AND THUNDERSTORMS FOR THE MIDWEST AND OHIO VALLEY. A VERY
WARM AND UNSTABLE AIRMASS ACROSS THE SOUTH --- IN PLACE AHEAD OF
THE COLD FRONT --- SETS THE STAGE FOR MORE LOCALLY HEAVY RAINFALL
AND THE THREAT OF FLASH FLOODING.

ELSEWHERE, SHOWERS AND THUNDERSTORMS WILL BE ON THE INCREASE
ACROSS FLORIDA AS SEVERAL WEAK EASTERLY WAVE IMPULSES MOVE OVER
THE PENINSULA.  A CLOSED LOW OVER BRITISH COLUMBIA WILL KEEP
CONDITIONS FAVORABLE FOR SCATTERED SHOWER ACTIVITY ACROSS THE
NORTHERN ROCKIES ON SATURDAY. A LOW PRESSURE SYSTEM OFF THE COAST
OF CALIFORNIA IS EXPECTED TO BRING SOME LIGHT RAIN, SCATTERED
SHOWERS AND A FEW THUNDERSTORMS TO THE WEST COAST ON SUNDAY NIGHT
AND MONDAY MORNING.

VOJTESAK

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





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