Avalanche Risk in Pennsylvania

All Pennsylvania counties ranked by FEMA National Risk Index avalanche score

Avalanche risk — fast-moving snow and debris sliding down steep mountain slopes — is rated for 59 of 67 Pennsylvania counties in FEMA's National Risk Index. Clinton County carries the state's highest avalanche score at 76.0, with $16K in expected annual avalanche losses.

No Pennsylvania county reaches the High band for avalanche, and expected annual losses from avalanche total roughly $74K statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Avalanche

#CountyAvalanche ScoreRatingAnn. Freq.Ann. Loss
1 Clinton County
76.0
Low 0.01 / yr $16K
2 Lycoming County
75.4
Low 0.01 / yr $16K
3 Cameron County
74.9
Low 0.01 / yr $11K
4 Tioga County
70.6
Low 0.01 / yr $4K
5 Potter County
66.5
Very Low 0.01 / yr $2K
6 Centre County
65.2
Very Low 0.01 / yr $2K
7 Sullivan County
64.3
Very Low 0.01 / yr $2K
8 Huntingdon County
62.3
Very Low 0.01 / yr $2K
9 Fayette County
59.8
Very Low 0.01 / yr $1K
10 Blair County
59.5
Very Low 0.01 / yr $1K
11 Elk County
59.1
Very Low 0.01 / yr $1K
12 Wyoming County
58.6
Very Low 0.01 / yr $1K
13 Carbon County
58.5
Very Low 0.01 / yr $1K
14 Luzerne County
57.9
Very Low 0.01 / yr $1K
15 Bedford County
57.7
Very Low 0.01 / yr $1K
16 Mifflin County
57.3
Very Low 0.01 / yr $774
17 Bradford County
53.9
Very Low 0.01 / yr $759
18 Venango County
53.7
Very Low 0.01 / yr $631
19 Juniata County
52.6
Very Low 0.01 / yr $509
20 Armstrong County
52.5
Very Low 0.01 / yr $686
21 Cambria County
51.2
Very Low 0.01 / yr $543
22 Franklin County
48.7
Very Low 0.01 / yr $505
23 Clearfield County
48.0
Very Low 0.01 / yr $388
24 Columbia County
46.6
Very Low 0.01 / yr $444
25 Warren County
45.9
Very Low 0.01 / yr $364
26 Forest County
45.5
Very Low 0.01 / yr $259
27 Somerset County
44.7
Very Low 0.01 / yr $335
28 Westmoreland County
44.0
Very Low 0.01 / yr $369
29 Pike County
42.8
Very Low 0.01 / yr $299
30 Northumberland County
42.7
Very Low 0.01 / yr $282
31 Indiana County
42.1
Very Low 0.01 / yr $234
32 Perry County
41.7
Very Low 0.01 / yr $304
33 Dauphin County
41.1
Very Low 0.01 / yr $287
34 Clarion County
40.8
Very Low 0.01 / yr $245
35 Schuylkill County
39.6
Very Low 0.01 / yr $222
36 Lackawanna County
37.0
Very Low 0.01 / yr $157
37 Northampton County
35.5
Very Low 0.01 / yr $173
38 Wayne County
34.6
Very Low 0.01 / yr $141
39 Union County
33.5
Very Low 0.01 / yr $108
40 Berks County
32.6
Very Low 0.01 / yr $122
41 Cumberland County
32.0
Very Low 0.01 / yr $140
42 Beaver County
30.4
Very Low 0.01 / yr $115
43 Monroe County
29.8
Very Low 0.01 / yr $109
44 Lebanon County
28.7
Very Low 0.01 / yr $100
45 Allegheny County
28.1
Very Low 0.01 / yr $94
46 Susquehanna County
26.6
Very Low 0.01 / yr $78
47 York County
24.1
Very Low 0.01 / yr $69
48 Fulton County
22.4
Very Low 0.01 / yr $50
49 Montour County
19.9
Very Low 0.01 / yr $33
50 Bucks County
19.6
Very Low 0.01 / yr $42
51 Lancaster County
19.4
Very Low 0.01 / yr $33
52 Greene County
17.1
Very Low 0.01 / yr $22
53 Snyder County
16.1
Very Low 0.01 / yr $17
54 Jefferson County
15.5
Very Low 0.01 / yr $14
55 Lehigh County
15.4
Very Low 0.01 / yr $17
56 Lawrence County
13.6
Very Low 0.01 / yr $14
57 Washington County
12.1
Very Low 0.01 / yr $14
58 Delaware County
11.4
Very Low 0.01 / yr $11
59 McKean County
9.1
Very Low 0.01 / yr $6

59 Pennsylvania counties with measurable avalanche risk. See the national avalanche ranking or all Pennsylvania counties by overall risk.

Frequently Asked Questions

Which Pennsylvania county has the highest avalanche risk?

Clinton County has the highest FEMA avalanche risk score in Pennsylvania at 76.0 (Low), with $16K in expected annual losses and about 0.01 events per year.

How many Pennsylvania counties face significant avalanche risk?

59 Pennsylvania counties record measurable avalanche risk in FEMA's National Risk Index; 0 of them are rated High or Very High.

Other Hazards in Pennsylvania

Coastal Flood Cold Wave Drought Earthquake Hail Heat Wave Hurricane Ice Storm Riverine Flood Landslide Lightning Strong Wind Tornado Wildfire Winter Weather