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

000
FXUS61 KPBZ 220400
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
1100 PM EST Tue Jan 21 2020

.SYNOPSIS...
Dry weather is expected until precipitation chances return Friday
through the weekend with crossing low pressure.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
A late eve update was issued to remove the "flurry" mention.

No major change was needed to the temperature forecast.

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/...
Ridging should maintain dry weather as it moves east across the
region through the period. A gradual warming trend is also expected,
with temperatures above average by Thursday with SW flow aloft as
the ridge axis shifts east of the area.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
An upper low is progged to track E from the Upper Midwest, reaching
the Upper OH Valley region Friday night and Saturday. Rain and snow
chances should increase with the approach and passage of the low.
Snow chances should continue Sunday as the upper low tracks to the E
Coast, and a shortwave trough rotates around it. Another trough in NW
flow aloft should maintain slight to low precip chances Monday.
Temperatures are expected to average near or a few degrees above
seasonable levels.

&&

.AVIATION /04Z WEDNESDAY THROUGH SUNDAY/...
VFR conditions are expected through the TAF period under high
pressure. Light W wind should back to the S on Wednesday.

.Outlook...
Periodic restrictions are expected Fri thru Sun with crossing low
pressure.

&&

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

&&

$$

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