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NWS Area Weather Forecast Discussion
County Warning Area [CWA]: PBZ
Regional NWS Weather Office: Pittsburgh, PA

000
FXUS61 KPBZ 051554
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
1054 AM EST Fri Mar 5 2021

.SYNOPSIS...
Dry and cool weather can be expected through the weekend.

&&

.NEAR TERM /THROUGH TONIGHT/...
Forecast trend remains on track as nw flow continues to fuel a swath
of thinning stratocu from Pit n and e. Despite abundant insolation
elsewhere, cold advection will hold highs about 5 to 10 degrees
under the calculated-normals.

Another approaching shortwave is expected to neutral cold advection
tonight and generate more cloudiness and thus inhibit an all-night
radiation. Overnight lows were thus held just a couple degrees under
the averages.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
That passing shortwave is likely to repeat cloud and flurry pattern
early on Saturday as the trough over the ern CONUS amplifies with
phasing of a southern stream low. That high-amplitude, longwave
trough will maintain cold and dry weather, with exception for
aforementioned flurries, through the weekend.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
The upper trough is expected to fill by Monday with a broad ridge
projected over much of the country as deep low pressure digs off the
west coast. This pattern will result in generally dry weather for the
Upper Ohio, but with a warming trend until flow aloft backs to the
southwest during the latter half of the week.

&&

.AVIATION /16Z FRIDAY THROUGH TUESDAY/...
Building sfc high pres under nw flow aloft wl maintain VFR with
exceptiong for FKL and DUJ which will experience MVFR stratocu and
some -shsn again early Saturday.

The building high will ease the pres gradient this aftn and gusts are
generally expected to remain under 20 kts.

.Outlook...
Ceiling restrictions are possible with an early Sunday shortwave
passage.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
PA...None.
OH...None.
WV...None.

&&

$$

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather