Pennsylvania, 1999Strong Wind in Pennsylvania, March 4, 1999
March 4, 1999 · NWS PHI · 10 events in 10 counties and zones
The circulation around an intensifying low pressure that moved through New York State and northern New England during the day on the 4th produced wind gusts of around 45 mph the early morning and throughout the day in Eastern Pennsylvania. The winds knocked down a tree in Upper Darby (Delaware County) and it damaged a vehicle.
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- 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
- 10
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.
The circulation around an intensifying low pressure that moved through New York State and northern New England during the day on the 4th produced wind gusts of around 45 mph the early morning and throughout the day in Eastern Pennsylvania. The winds knocked down a tree in Upper Darby (Delaware County) and it damaged a vehicle. The winds also contributed in downing wires in Hilltown (Bucks County). About 1,700 Pennsylvania Power and Light customers lost power for 90 minutes. Peak wind gusts included 47 mph in Tobyhanna (Monroe County), 46 mph at the Philadelphia International Airport, 41 mph in Reading (Berks County) and 39 mph at the Lehigh Valley International Airport.
Strong Wind, Berks
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Berks forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 40.416, -75.926 (the zone’s center; the record gives no point)
Strong Wind, Bucks
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Bucks forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Strong Wind, Carbon
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Carbon forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 40.918, -75.709 (the zone’s center; the record gives no point)
Strong Wind, Chester
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Chester forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Strong Wind, Delaware
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Delaware forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.917, -75.399 (the zone’s center; the record gives no point)
Strong Wind, Lehigh
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Lehigh forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 40.613, -75.592 (the zone’s center; the record gives no point)
Strong Wind, Monroe
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Monroe forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 41.058, -75.339 (the zone’s center; the record gives no point)
Strong Wind, Montgomery
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Montgomery forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Strong Wind, Northampton
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Northampton forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 40.754, -75.307 (the zone’s center; the record gives no point)
Strong Wind, Philadelphia
- When
- March 4, 4:00 AM EST to 6:00 PM EST
- Where
- Philadelphia forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 40.008, -75.134 (the zone’s center; the record gives no point)
- Strong Wind
- Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.
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
- Heavy Snow in Pennsylvania, March 4, 19999 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 2026-09-24. Each event’s entry at NCEI: 5691586, 5691587, 5691588, 5691589, 5691590, 5691591, 5691592, 5691593, 5691594, 5691595.