Prognostic Meteorological Discussion
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FXUS01 KWBC 310736
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
335 AM EDT FRI JUL 31 2015

VALID 12Z FRI JUL 31 2015 - 12Z SUN AUG 02 2015

***DRIER AIRMASS FOR NEW ENGLAND AND MID-ATLANTIC***

***STORMY WEATHER FOR THE GULF COAST AND FLORIDA***

***SCATTERED SHOWERS AND STORMS FOR THE SOUTHERN ROCKIES***

AFTER SEVERAL DAYS OF HOT AND OPPRESSIVELY HUMID CONDITIONS FOR
MUCH OF THE NORTHEASTERN QUADRANT OF THE NATION, A FRONT ARRIVING
FROM THE NORTHWEST WILL BRING A NOTICEABLE DROP IN HUMIDITY FOR
FRIDAY AND EXTENDING INTO THE WEEKEND FROM THE OHIO VALLEY TO THE
EAST COAST.  THE TEMPERATURE CHANGE WILL ONLY BE MINOR WITH HIGHS
WELL INTO THE 80S TO NEAR 90 DEGREES, ALONG WITH SLIGHTLY COOLER
OVERNIGHT LOWS.  IT SHOULD REMAIN RATHER HUMID FOR THE SOUTHEAST
U.S. SINCE THE FRONT EVENTUALLY STALLS OUT OVER THAT REGION.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH SATURDAY
ACROSS THE CENTRAL GULF COAST AND FOR THE FLORIDA PENINSULA AS A
TROUGH OF LOW PRESSURE AND MOISTURE CONVERGENCE REMAIN OVER THAT
REGION.  PARTS OF SOUTHERN GEORGIA AND NORTH CENTRAL FLORIDA COULD
SEE A COUPLE INCHES OF RAINFALL BY SATURDAY EVENING WITH MULTIPLE
ROUNDS OF THUNDERSTORM ACTIVITY.

FOR THE WESTERN U.S., SCATTERED SHOWERS AND THUNDERSTORMS ARE
FORECAST TO DEVELOP EACH AFTERNOON OVER THE FOUR CORNERS REGION IN
RESPONSE TO DAYTIME HEATING WITH MONSOONAL MOISTURE IN PLACE.
SOME OF THIS MOISTURE WILL LIKELY EXTEND EASTWARD OVER PARTS OF
NORTHERN TEXAS AND WESTERN OKLAHOMA, WHERE 1 TO 2 INCHES OF
RAINFALL IS A GOOD POSSIBILITY.  HEAT WILL ALSO BE MAKING WEATHER
HEADLINES FOR PARTS OF NORTHERN CALIFORNIA, OREGON, AND
WASHINGTON, WITH DAYTIME HIGHS RUNNING WELL ABOVE AVERAGE TO CLOSE
OUT THE WEEK.

D. HAMRICK


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