490  
FXUS61 KPBZ 261200  
AFDPBZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
700 AM EST TUE JAN 26 2021  
   
SYNOPSIS
 
 
RAIN AND FREEZING RAIN THIS MORNING WILL TRANSITION TO SHOWERS AS THE  
MORNING PROGRESSES. THE REMAINDER OF THE WEEK WILL BE LARGELY DRY  
WITH COOLER TEMPERATURES.  
 

 
   
NEAR TERM /UNTIL 6 PM THIS EVENING/
 
 
PATCHY FREEZING RAIN CONTINUES TO PLAGUE AREAS GENERALLY ALONG AND  
NORTH OF I 76, AS WELL AS IN THE RIDGES, SO HEADLINES REMAIN IN  
EFFECT.  
 
WARM ADVECTION VIA APPROACHING LOW PRESSURE WILL GRADUALLY IMPROVE  
THE SITUATION AND PCPN WILL ALSO DIMINISH IN COVERAGE AS THAT SYSTEM  
PASSES.  
 
THE MORNING UPDATE FEATURED SOME COSMETIC TWEAKS TO PCPN TYPE AND  
TEMPERATURE.  
 

 
   
SHORT TERM /6 PM THIS EVENING THROUGH WEDNESDAY NIGHT/
 
 
LIGHT, SCATTERED PRECIPITATION WILL TRANSITION BACK TO SNOW THIS  
EVENING IN COLD NORTHERLY FLOW ON THE BACKSIDE OF THE EXITING LOW.  
DRY CONDITIONS (OUTSIDE OF SOME ISOLATED TO SCATTERED FLURRIES NORTH  
OF PGH) ARE EXPECTED WEDNESDAY WITH SHORTWAVE RIDGING BEFORE THE NEXT  
SOUTHERN STREAM SYSTEM DISTURBANCE RETURNS SNOW CHANCES MAINLY SOUTH  
OF PITTSBURGH DURING THE NIGHT AS IT QUICKLY PASSES SOUTH OF THE  
FORECAST AREA.  
 

 
   
LONG TERM /THURSDAY THROUGH MONDAY/
 
 
OUTSIDE OF THE POSSIBILITY OF SCATTERED LIGHT SNOW NORTH OF  
PITTSBURGH AND IN THE RIDGES UNDER COOL, NORTHWESTERLY FLOW OVER THE  
LAKES, MOSTLY DRY WEATHER AND COOLER TEMPERATURES ARE EXPECTED  
THURSDAY THROUGH SATURDAY FOLLOWED BY LOW PRESSURE AN UNSETTLED  
CONDITIONS SUNDAY.  
 

 
   
AVIATION /12Z TUESDAY THROUGH SATURDAY/
 
 
DEGRADED CONDITIONS IN RA AND FZRA CAN BE EXPECTED THIS MORNING, BUT  
IMPROVEMENT WILL OCCUR AS LOW PRES CROSSES THIS AFTN.  
   
OUTLOOK
 
 
VFR RETURNS ON WED, BEFORE A SYSTEM WED NIGHT AND THU BRINGS  
POSSIBLE RESTRICTIONS IN SNOW TO AREAS SOUTH OF PIT.  
 

 
   
PBZ WATCHES/WARNINGS/ADVISORIES
 
 
PA...WINTER WEATHER ADVISORY UNTIL 10 AM EST THIS MORNING FOR PAZ007>009-  
013>016-020-022-023.  
WINTER STORM WARNING UNTIL 10 AM EST THIS MORNING FOR PAZ074-076.  
OH...WINTER WEATHER ADVISORY UNTIL 10 AM EST THIS MORNING FOR OHZ040-041.  
WV...WINTER STORM WARNING UNTIL 10 AM EST THIS MORNING FOR WVZ512-514.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OH Page
The Nexlab PA Page
The Nexlab WV Page
The Nexlab MD Page Main Text Page