Lightning Risk in New Jersey

All New Jersey counties ranked by FEMA National Risk Index lightning score

Lightning risk — electrical discharges from storms that ignite fires and cause casualties — is rated for 21 of 21 New Jersey counties in FEMA's National Risk Index. Monmouth County carries the state's highest lightning score at 98.5, with $4M in expected annual lightning losses.

13 New Jersey counties are rated High or Very High for lightning, and expected annual losses from lightning total roughly $31M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Lightning

#CountyLightning ScoreRatingAnn. Freq.Ann. Loss
1 Monmouth County
98.5
Very High 31.54 / yr $4M
2 Ocean County
97.9
Very High 30.14 / yr $3M
3 Passaic County
97.8
Very High 31.45 / yr $2M
4 Union County
96.7
Very High 33.66 / yr $2M
5 Bergen County
96.4
High 31.54 / yr $2M
6 Camden County
96.4
High 34.45 / yr $2M
7 Burlington County
94.5
High 32.87 / yr $2M
8 Mercer County
93.5
High 33.63 / yr $1M
9 Essex County
92.3
High 31.99 / yr $995K
10 Atlantic County
92.0
High 30.89 / yr $1M
11 Morris County
90.6
High 32.96 / yr $2M
12 Somerset County
83.4
High 34.15 / yr $1M
13 Gloucester County
83.3
High 34.54 / yr $1M
14 Middlesex County
81.9
Medium 33.56 / yr $743K
15 Cumberland County
79.0
Medium 32.38 / yr $623K
16 Hudson County
76.9
Medium 31.96 / yr $450K
17 Warren County
72.7
Medium 33.05 / yr $717K
18 Cape May County
70.1
Medium 29.74 / yr $520K
19 Sussex County
66.7
Medium 31.10 / yr $683K
20 Hunterdon County
65.8
Medium 34.40 / yr $732K
21 Salem County
45.5
Low 34.48 / yr $220K

21 New Jersey counties with measurable lightning risk. See the national lightning ranking or all New Jersey counties by overall risk.

Frequently Asked Questions

Which New Jersey county has the highest lightning risk?

Monmouth County has the highest FEMA lightning risk score in New Jersey at 98.5 (Very High), with $4M in expected annual losses and about 31.54 events per year.

How many New Jersey counties face significant lightning risk?

21 New Jersey counties record measurable lightning risk in FEMA's National Risk Index; 13 of them are rated High or Very High.

Other Hazards in New Jersey