Storms in Pennsylvania in 1999

1,542 events in 389 episodes

Every storm the National Weather Service filed in Pennsylvania in 1999, with each episode’s narrative and every event in it. From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

Pennsylvania in 1999 on the map

Every episode with a place to put it, colored by kind of event.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over Pennsylvania

The year

Events: 1,542
Deaths: 101
Injuries: 358
Damage: $636 million
Episodes: 389

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.

By kind of event

Kind of event	Events	Deaths	Injuries	Damage
Thunderstorm Wind	423	1	6	$3.5 million
Drought	205	0	0	$520 million
Winter Storm	195	4	135	$405,000
Heavy Snow	113	0	2	$670,000
Flash Flood	112	6	39	$101 million
High Wind	103	0	2	$4.3 million
Heat	72	88	136
Hail	70	0	1	$927,000
Heavy Rain	67	0	0
Strong Wind	47	0	0
Dense Fog	45	0	0
Winter Weather	31	0	0
Lightning	24	0	1	$200
Flood	10	1	3	$90,000
Tornado	9	1	33	$5.0 million
Ice Storm	7	0	0
Coastal Flood	6	0	0
Waterspout	3	0	0

Every episode, month by month

January 1999

February 1999

March 1999

April 1999

May 1999

June 1999

July 1999

August 1999

September 1999

October 1999

November 1999

December 1999

Every year in Pennsylvania Every state in 1999 Tornadoes in Pennsylvania in 1999 Warnings in Pennsylvania in 1999 1998 2000

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 2026-09-24.