Prognostic Meteorological Discussion
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000
FXUS01 KWBC 271954
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
353 PM EDT SAT AUG 27 2016

VALID 00Z SUN AUG 28 2016 - 00Z TUE AUG 30 2016

...SHOWERS AND THUNDERSTORMS EXPECTED ACROSS THE CENTRAL PLAINS
AND MIDWEST...

...HOT AND HUMID CONDITIONS WILL PERSIST FOR THE SOUTHERN AND
EASTERN STATES...

...WEST COAST STATES WILL CONTINUE TO BE WARM AND DRY...

THE UPPER RIDGE ANCHORED OVER THE THE CENTRAL AND EASTERN U.S.
WILL SLOWLY WEAKEN AS A PROGRESSIVE SHORTWAVE TROUGH PASSING
THROUGH THE CANADIAN PRAIRIE AND THE NORTHERN TIER STATES. A LOW
PRESSURE SYSTEM WILL CROSS THE ROCKIES BY SUNDAY MORNING AND DRAG
A COLD FRONT THROUGH THE NORTHERN PLAINS AND A WARM FRONT WILL
LIFT THROUGH THE UPPER MIDWEST. BY MONDAY EVENING THE COLD FRONT
WILL BE ADVANCING TOWARD THE UPPER GREAT LAKES REGION. MULTIPLE
ROUNDS OF SHOWER AND THUNDERSTORM ACTIVITY WILL LIKELY SPAN FROM
OKLAHOMA TO THE GREAT LAKES. PORTIONS OF OKLAHOMA AND KANSAS COULD
SEE 1 TO 2 INCHES OF RAINFALL OVER THE NEXT COUPLE OF DAYS.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED NEAR THE WESTERN
GULF COAST AND SOUTHERN/EASTERN FLORIDA COAST THROUGH THE WEEKEND.
ACCUMULATIONS UP TO 4 AND 5 INCHES ARE LIKELY FOR THESE LOCATIONS.
CONVECTIVE ACTIVITY WILL INCREASE DURING THE AFTERNOON AND EVENING
HOURS. WARM AND DRY CONDITIONS ARE EXPECTED FOR MOST OF THE WEST
THIS WEEKEND. A FEW DIURNAL SHOWERS AND THUNDERSTORMS ARE FORECAST
FOR NEW MEXICO AND PORTIONS OF THE SOUTHERN ROCKIES.

LATE-SUMMER HEAT AND HUMIDITY WILL PERSIST ACROSS MUCH OF EASTERN
HALF OF THE U.S. THROUGH THE WEEKEND, WITH WIDESPREAD HIGHS IN THE
UPPER 80S TO MID 90S, AND LOWS IN THE 70S.  SOME LOCATIONS MAY GET
CLOSE TO HEAT ADVISORY CRITERIA AT TIMES, BUT NOT AS INTENSE AS
THE HEAT WAS EARLIER THIS MONTH.  OUT WEST, IT SHOULD REMAIN DRY
AND WARM, WITH NO APPRECIABLE CHANCE OF RAINFALL FOR WASHINGTON,
OREGON, AND CALIFORNIA.

CAMPBELL


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