Storms in Pennsylvania in 2004

1,582 events in 1,010 episodes

Every storm the National Weather Service filed in Pennsylvania in 2004, 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 2004 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: 1,582
Deaths: 20
Injuries: 233
Damage: $484 million
Episodes: 1,010

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	400	0	11	$2.1 million
Flood	281	4	93	$134 million
Flash Flood	164	4	1	$314 million
Heavy Snow	153	0	100	$4.4 million
Hail	127	0	0	$208,000
Winter Weather	103	6	12	$1.5 million
Strong Wind	78	0	3	$386,000
Ice Storm	66	0	0	$10,000
Cold/Wind Chill	58	4	0	$105,000
High Wind	45	1	2	$643,000
Winter Storm	28	0	0	$4.3 million
Tornado	26	0	0	$22 million
Lightning	22	0	9	$412,000
Storm Surge/Tide	10	0	0
Dense Fog	10	0	0
Heavy Rain	7	0	2
Funnel Cloud	2	0	0
Wildfire	1	0	0	$100,000
Heat	1	1	0

Every episode, month by month

January 2004

February 2004

March 2004

April 2004

May 2004

June 2004

July 2004

August 2004

September 2004

October 2004

Lightning Strike in Pennsylvania, October 29, 20041 event

November 2004

December 2004

Every year in Pennsylvania Every state in 2004 Tornadoes in Pennsylvania in 2004 Warnings in Pennsylvania in 2004 2003 2005

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.