Pennsylvania, 1999

Winter Storm in Pennsylvania, December 28 to 29, 1999

December 28 to 29, 1999 · NWS PBZ · 2 events in 2 counties and zones

Another round of persistent northwest flow behind a strong cold front produced orographically enhanced snows across the higher elevations of Fayette and Westmoreland Counties. Snowfall totals of 4 to 6 inches were reported at several locations over the mountain ridges in extreme eastern sections of the counties.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PBZ wrote it up.

Another round of persistent northwest flow behind a strong cold front produced orographically enhanced snows across the higher elevations of Fayette and Westmoreland Counties. Snowfall totals of 4 to 6 inches were reported at several locations over the mountain ridges in extreme eastern sections of the counties. Across the lower elevations to the west, snowfall amounts of 1 to 3 inches were common.

Event by event

2 winter storm. Local standard time, as filed.

Winter Storm, Fayette

When
December 28, 4:00 PM EST to December 29, 10:00 AM EST
Where
Fayette forecast zone
Reported by
DEPT OF HIGHWAYS

Winter Storm, Westmoreland

When
December 28, 4:00 PM EST to December 29, 10:00 AM EST
Where
Westmoreland forecast zone
Reported by
DEPT OF HIGHWAYS

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 1999Every state in 1999This day in weather historyWarnings in Pennsylvania, December 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 5724790, 5724791.