01 / NATIONAL TRACE
NATIONAL EVENT-TYPE FILE2016—2025
NOAA STORM EVENTS DATABASE
Debris Flow
A national index of county-coded NOAA records using this event-type label during ten complete calendar years.
Reports1,546county-coded records
County areas296with at least one row
States / territories31represented
Filed damage$956.7Mnominal estimates
03 / COUNTY INDEX
Highest report counts
Only county-event pages meeting the five-report publication rule appear here. High counts can reflect exposure, geography, reporting practices, or event segmentation.
Sonoma, CA0 injuries · 0 fatalities58 reports →Kern, CA0 injuries · 0 fatalities51 reports →Santa Cruz, CA2 injuries · 0 fatalities47 reports →San Bernardino, CA0 injuries · 1 fatalities42 reports →Fresno, CA0 injuries · 0 fatalities40 reports →San Miguel, CO0 injuries · 0 fatalities31 reports →Mariposa, CA0 injuries · 2 fatalities30 reports →Garfield, CO0 injuries · 0 fatalities30 reports →Monterey, CA1 injuries · 0 fatalities29 reports →Okanogan, WA0 injuries · 0 fatalities25 reports →Pitkin, CO0 injuries · 0 fatalities25 reports →Riverside, CA0 injuries · 0 fatalities25 reports →Santa Clara, CA0 injuries · 0 fatalities24 reports →San Juan, UT0 injuries · 0 fatalities24 reports →Rio Blanco, CO0 injuries · 0 fatalities23 reports →Utuado, PR0 injuries · 0 fatalities22 reports →Los Angeles, CA0 injuries · 0 fatalities21 reports →Marin, CA0 injuries · 0 fatalities21 reports →San Diego, CA0 injuries · 0 fatalities21 reports →Napa, CA0 injuries · 0 fatalities19 reports →San Mateo, CA0 injuries · 0 fatalities18 reports →Mono, CA0 injuries · 0 fatalities18 reports →Chelan, WA0 injuries · 0 fatalities17 reports →Ouray, CO0 injuries · 0 fatalities15 reports →Mesa, CO0 injuries · 0 fatalities15 reports →Alameda, CA0 injuries · 0 fatalities14 reports →San Sebastian, PR0 injuries · 0 fatalities13 reports →La Plata, CO0 injuries · 0 fatalities13 reports →Tulare, CA0 injuries · 0 fatalities12 reports →Lincoln, NM2 injuries · 3 fatalities12 reports →Gunnison, CO0 injuries · 0 fatalities12 reports →Plumas, CA0 injuries · 0 fatalities11 reports →Yabucoa, PR0 injuries · 0 fatalities10 reports →Bayamon, PR0 injuries · 0 fatalities10 reports →Adjuntas, PR0 injuries · 0 fatalities10 reports →Eagle, CO0 injuries · 0 fatalities10 reports →Grand, UT0 injuries · 0 fatalities10 reports →Corozal, PR0 injuries · 0 fatalities10 reports →Caguas, PR0 injuries · 0 fatalities9 reports →Contra Costa, CA0 injuries · 0 fatalities9 reports →Pima, AZ0 injuries · 0 fatalities8 reports →Madera, CA0 injuries · 0 fatalities8 reports →Pike, KY0 injuries · 0 fatalities8 reports →Orange, CA1 injuries · 0 fatalities8 reports →Alpine, CA0 injuries · 0 fatalities8 reports →Arecibo, PR0 injuries · 0 fatalities8 reports →San Juan, CO0 injuries · 0 fatalities8 reports →Boundary, ID0 injuries · 0 fatalities8 reports →Aibonito, PR0 injuries · 0 fatalities8 reports →El Dorado, CA0 injuries · 0 fatalities7 reports →Santa Barbara, CA168 injuries · 21 fatalities7 reports →Ponce, PR0 injuries · 0 fatalities7 reports →Honolulu, HI0 injuries · 0 fatalities7 reports →Trujillo Alto, PR0 injuries · 0 fatalities7 reports →Naguabo, PR0 injuries · 0 fatalities7 reports →Moca, PR0 injuries · 0 fatalities7 reports →Ciales, PR0 injuries · 0 fatalities7 reports →Salinas, PR0 injuries · 0 fatalities6 reports →Orocovis, PR0 injuries · 0 fatalities6 reports →Siskiyou, CA0 injuries · 0 fatalities6 reports →Ventura, CA0 injuries · 0 fatalities6 reports →Toa Alta, PR0 injuries · 0 fatalities6 reports →Ferry, WA0 injuries · 0 fatalities6 reports →Naranjito, PR0 injuries · 0 fatalities6 reports →Morovis, PR0 injuries · 0 fatalities6 reports →Humacao, PR0 injuries · 0 fatalities6 reports →Luquillo, PR0 injuries · 0 fatalities6 reports →Aguas Buenas, PR0 injuries · 0 fatalities6 reports →Mayaguez, PR0 injuries · 0 fatalities6 reports →Montrose, CO0 injuries · 0 fatalities6 reports →Archuleta, CO0 injuries · 0 fatalities6 reports →Kauai, HI0 injuries · 0 fatalities6 reports →Lemhi, ID0 injuries · 0 fatalities6 reports →Barranquitas, PR0 injuries · 0 fatalities6 reports →Mercer, WV0 injuries · 0 fatalities6 reports →Nevada, CA1 injuries · 0 fatalities5 reports →Butte, CA0 injuries · 0 fatalities5 reports →Tazewell, VA0 injuries · 0 fatalities5 reports →Utah, UT0 injuries · 0 fatalities5 reports →Multnomah, OR1 injuries · 1 fatalities5 reports →Perry, KY0 injuries · 0 fatalities5 reports →Elko, NV0 injuries · 0 fatalities5 reports →Mineral, NV0 injuries · 0 fatalities5 reports →Washoe, NV0 injuries · 0 fatalities5 reports →Ashe, NC0 injuries · 0 fatalities5 reports →Douglas, NV0 injuries · 0 fatalities5 reports →Guaynabo, PR0 injuries · 0 fatalities5 reports →Cayey, PR0 injuries · 0 fatalities5 reports →Guayama, PR0 injuries · 0 fatalities5 reports →Jayuya, PR0 injuries · 0 fatalities5 reports →Patillas, PR0 injuries · 0 fatalities5 reports →San German, PR0 injuries · 0 fatalities5 reports →Sabana Grande, PR0 injuries · 0 fatalities5 reports →