-- Discussion containing changed information from previous version are highlighted. --
000
FXUS61 KPBZ 190408
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
1208 AM EDT WED JUN 19 2013

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN BEHIND A DEPARTING COLD FRONT...AND
REMAIN IN CONTROL THE REST OF THE WORK WEEK.

&&

.NEAR TERM /THROUGH TODAY/...
-- Changed Discussion --
ADJUSTED POPS IN SOUTHEAST ZONES TO ACCOUNT FOR ONGOING SHOWERS.
PREVIOUS DISCUSSION FOLLOWS...

A CDFNT CONTS TO SINK SWD ACRS SRN
PA INTO SERN OH. SOME ISOLD SHWRS LINGERING INVOF THE FNT BUT MOST
OF THE PCPN HAS ENDED. INSTBY HAS DMNSH PER RECENT MESO AND EVE
RAOB PLOTS. VRY DRY AIR TO THE NORTH OBSERVED ON RAOBS AND
STLT...SO SHOULD BE MCLR WITH COOL TEMPS AFT FROPA. IN THE WV/MD
PTN OF THE RGN...ADDED PTCHY FOG AS FROPA WL NOT OCCUR UNTIL
OVRNGT. COULD SEE SOME FOG DVLP UP UNTIL FROPA ESP WHERE HEAVY
RAIN FELL EARLIER TDA. HIGH PRES BLDS IN WED WITH MCLR SKIES.
-- End Changed Discussion --

&&

.SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/...
HIGH PRES AND DRY AIR WL MAINTAIN MCLR SKIES THRU THE PD. AFT A
COOL START WED NGT/THU MRNG...EXP TEMPS TO GRDLY RETURN TO NR OR
ABV SEASONAL AVGS.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
WARM AND HUMID CONDITIONS ARE FORECAST INTO EARLY NXT WEEK AS BROAD
RIDGE IS STILL PROJECTED TO BLD OVR THE SRN AND ERN CONUS.  HAVE
USED THE WARMER MOS GUIDANCE ONCE AGAIN FOR THE PD GIVEN CONSISTENT
HT PROGS AS DEPICTED BY GFS AND ECMWF MDLS OVR THE PAST CPL OF DAYS.

CHC/NR CLIMO POPS WERE ALSO INCLUDED THROUGH THE WEEKEND GIVEN THE
INSTABILITY THAT WL ACCOMPANY THE WARMTH AND MSTR...WITH LIMITATIONS
IMPOSED BY MID LVL CAPPING AND DEPENDENCY ON SHRTWV SPPRT ACRS THE
NRN PERIPHERY OF THE RIDGE.

&&

.AVIATION /04Z WEDNESDAY THROUGH SUNDAY/...
SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DIMINISH THROUGH THE
EVENING AS THE COLD FRONT SAGS SOUTHWARD. WHILE NO MENTION OF SHRA
OR TSRA WAS MENTIONED AT ANY SITES...A FEW CELLS COULD STILL DEVELOP
BUT CONFIDENCE REMAINS LOW AS TO WHETHER THEY WILL IMPACT ANY ONE
TAF SITE.

SOME AREAS OF FOG ARE POSSIBLE OVERNIGHT/WED MORNING AT
KHLG...KZZV...AND ESPECIALLY KMGW DUE TO RECENT RAINFALL BUT
OTHERWISE VFR CONDITIONS ARE EXPECTED THROUGH THE REST OF THE TAF
PERIOD AS HIGH PRESSURE BUILDS EASTWARD.

OUTLOOK.../WEDNESDAY THROUGH SUNDAY/...
GENERAL VFR CONDITIONS ARE EXPECTED UNDER HIGH PRESSURE.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

$$