fxus61 kpbz 272125 

Area forecast discussion 
National Weather Service Pittsburgh PA 
525 PM EDT sun may 27 2018 

warm and humid conditions will persist with showers and thunderstorms 
becoming more widespread during the latter half of the week. 


Near term /until 6 am Monday morning/... 
changes for the eve were primarily cosmetic as slight rain 
chances will continue for areas east of I 79 due to the presence 
of the persistent shortwave trough and abundant moisture over 
the region. 

The residual rain chances will fade with the setting sun, but 
boundary layer humidity and a clearing sky is expected to 
support fog development. The high dewpoints will again limit the 
temperature drop, so morning lows will again be well above the 


Short term /6 am Monday morning through Tuesday/... 
broad ridging will keep a lid on convection and result in 
continued warmth and humidity through Tuesday. 


Long term /Tuesday night through Sunday/... 
warm and humid conditions are expected through the extended 
with daily chances for showers and storms as low pressure currently 
over the Gulf is progged to impact the region later in the week. 


Aviation /21z Sunday through Friday/... 
VFR conditions expected this evening as lingering clouds and 
showers diminish. The stagnant, moist air mass and clearing sky 
will combine to develop fog for the peri-dawn hours. This should 
impact most ports, but the typical fog-favored locations will 
be the most impacted. 

general VFR can be expected into midweek outside of isolated to 
scattered convection. 


Pbz watches/warnings/advisories... 

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