Pennsylvania, 1999Heavy Snow in Pennsylvania, March 4, 1999
March 4, 1999 · NWS CTP · 9 events in 9 counties and zones
9 heavy snow, as filed by the National Weather Service.
Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 9
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.
Heavy Snow, Warren
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Warren forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.815, -79.274 (the zone’s center; the record gives no point)
Deep low pressure tracked northeast from Virginia across eastern Pennsylvania into central New York overnight on March 3rd into the morning of March 4th. Heavy snow fell in the cold air to the northwest of the system, while thunderstorms with damaging winds crossed eastern sections. The heaviest snow fell roughly west of a line from Bedford to State College to Mansfield. Across the higher elevations of the Laurel Highlands, 22 inches was reported at Mt. Davis and 17 inches at Laurel Summit. Somerset had 15 inches. Further north, amounts ranged from 6 inches to over a foot across the central and northern mountains. Winds produced considerable blowing and drifting.
Heavy Snow, Cambria
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Cambria forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.495, -78.714 (the zone’s center; the record gives no point)
Heavy Snow, Cameron
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Cameron forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.437, -78.204 (the zone’s center; the record gives no point)
Heavy Snow, Clearfield
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Clearfield forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.000, -78.474 (the zone’s center; the record gives no point)
Heavy Snow, Elk
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Elk forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.425, -78.649 (the zone’s center; the record gives no point)
Heavy Snow, McKean
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- McKean forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.808, -78.569 (the zone’s center; the record gives no point)
Heavy Snow, Northern Centre
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Northern Centre forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.919, -77.820 (the zone’s center; the record gives no point)
Heavy Snow, Potter
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Potter forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.745, -77.896 (the zone’s center; the record gives no point)
Heavy Snow, Tioga
- When
- March 4, 12:00 AM EST to 12:00 PM EST
- Where
- Tioga forecast zone
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.772, -77.254 (the zone’s center; the record gives no point)
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- High Surf in California, March 4 to 5, 19991 death · $150,000 · 1 event
- Strong Wind in New Jersey, March 4, 19991 death · 1 event
- Blizzard and Heavy Snow in New York, March 4, 1999$5.5 million · 15 events
- Strong Wind in Maine, March 4, 199924 events
- Winter Weather in Michigan, March 4 to 6, 199923 events
- Strong Wind in New Jersey, March 4, 199920 events
- Strong Wind in New Hampshire, March 4, 199912 events
- Strong Wind in Pennsylvania, March 4, 199910 events
- Strong Wind in Rhode Island, March 4, 19997 events
- Heavy Snow in North Dakota, March 4, 19996 events
- Strong Wind in Maryland, March 4, 19995 events
- Strong Wind in Delaware, March 4, 19994 events
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 2026-10-01. Each event’s entry at NCEI: 5682221, 5682222, 5682527, 5682528, 5682529, 5682530, 5682531, 5682532, 5682533.