01 / NATIONAL TRACE
Flash Flood reports by year
The annual trace distributes 40,852 county-coded Flash Flood reports across 2016 through 2025.
NATIONAL EVENT-TYPE FILE2016—2025
NOAA STORM EVENTS DATABASE
Flash Flood
NOAA recorded 40,852 county-coded Flash Flood reports across 2,863 reporting areas and 55 states or territories from 2016 through 2025, with $79.47B in filed damage in the official archive.
Source: NOAA Storm Events details table · County-coded records · Complete years 2016–2025
Reports40,852county-coded records
County areas2,863with at least one row
States / territories55represented
Filed damage$79.47Bnominal estimates
03 / COUNTY INDEX
Counties with the most Flash Flood reports
The directory ranks published county analyses by archived Flash Flood count; each local page requires at least five reports.
Only county-event pages meeting the five-report publication rule appear here. High counts can reflect exposure, geography, reporting practices, or event segmentation.
Maricopa, AZ3 injuries · 8 fatalities450 reports →Mohave, AZ3 injuries · 3 fatalities376 reports →San Bernardino, CA6 injuries · 6 fatalities350 reports →Allegheny, PA1 injuries · 0 fatalities282 reports →Yavapai, AZ0 injuries · 3 fatalities232 reports →Pima, AZ2 injuries · 5 fatalities192 reports →Bexar, TX0 injuries · 18 fatalities174 reports →Orleans, LA1 injuries · 1 fatalities168 reports →Gila, AZ1 injuries · 15 fatalities166 reports →Wake, NC0 injuries · 1 fatalities165 reports →Coconino, AZ4 injuries · 5 fatalities161 reports →Chester, PA0 injuries · 1 fatalities149 reports →Baltimore, MD0 injuries · 0 fatalities147 reports →Rankin, MS0 injuries · 1 fatalities146 reports →Montgomery, MD4 injuries · 1 fatalities136 reports →Westmoreland, PA0 injuries · 1 fatalities135 reports →Bergen, NJ0 injuries · 1 fatalities129 reports →Caddo, LA0 injuries · 1 fatalities128 reports →Clark, NV1 injuries · 7 fatalities128 reports →Riverside, CA6 injuries · 1 fatalities126 reports →Richland, SC2 injuries · 0 fatalities126 reports →Pulaski, AR0 injuries · 0 fatalities123 reports →Westchester, NY0 injuries · 5 fatalities122 reports →Greene, MO0 injuries · 0 fatalities115 reports →Dallas, TX0 injuries · 3 fatalities113 reports →Bay, FL0 injuries · 0 fatalities113 reports →Suffolk, NY0 injuries · 0 fatalities113 reports →Inyo, CA0 injuries · 0 fatalities113 reports →Berks, PA0 injuries · 2 fatalities111 reports →Bradford, PA0 injuries · 0 fatalities110 reports →Washington, UT3 injuries · 1 fatalities110 reports →San Juan, PR2 injuries · 1 fatalities109 reports →Delaware, PA0 injuries · 0 fatalities105 reports →Montgomery, PA0 injuries · 3 fatalities104 reports →Fairfax, VA0 injuries · 0 fatalities103 reports →Nueces, TX0 injuries · 0 fatalities103 reports →Tulsa, OK0 injuries · 0 fatalities102 reports →Hinds, MS0 injuries · 0 fatalities100 reports →Steuben, NY1 injuries · 1 fatalities97 reports →Oklahoma, OK0 injuries · 1 fatalities96 reports →Charleston, SC0 injuries · 1 fatalities94 reports →Douglas, MO0 injuries · 1 fatalities94 reports →Harris, TX3 injuries · 46 fatalities92 reports →Fairfield, CT0 injuries · 1 fatalities89 reports →Kane, UT4 injuries · 2 fatalities87 reports →Imperial, CA0 injuries · 2 fatalities87 reports →Los Angeles, CA0 injuries · 0 fatalities86 reports →Philadelphia, PA0 injuries · 1 fatalities85 reports →Harford, MD0 injuries · 2 fatalities85 reports →La Paz, AZ0 injuries · 0 fatalities84 reports →Mobile, AL0 injuries · 0 fatalities84 reports →St. Tammany, LA0 injuries · 0 fatalities83 reports →Washington, PA0 injuries · 0 fatalities83 reports →Madison, AL0 injuries · 1 fatalities82 reports →Cook, IL0 injuries · 0 fatalities82 reports →Tutuila, AS3 injuries · 1 fatalities81 reports →Chesterfield, VA0 injuries · 0 fatalities81 reports →Lincoln, NM0 injuries · 1 fatalities80 reports →Middlesex, NJ0 injuries · 3 fatalities78 reports →Broome, NY0 injuries · 0 fatalities78 reports →Lowndes, GA0 injuries · 0 fatalities78 reports →East Baton Rouge, LA0 injuries · 3 fatalities78 reports →San Diego, CA8 injuries · 5 fatalities77 reports →Travis, TX0 injuries · 5 fatalities77 reports →Tarrant, TX0 injuries · 4 fatalities77 reports →Pinal, AZ0 injuries · 0 fatalities77 reports →Union, NJ0 injuries · 7 fatalities76 reports →Nassau, NY0 injuries · 0 fatalities75 reports →Cochise, AZ3 injuries · 2 fatalities75 reports →Webster, MO0 injuries · 1 fatalities73 reports →Barry, MO0 injuries · 0 fatalities73 reports →Kanawha, WV0 injuries · 0 fatalities73 reports →Passaic, NJ0 injuries · 1 fatalities72 reports →Essex, NJ0 injuries · 5 fatalities72 reports →Shelby, TN0 injuries · 0 fatalities72 reports →Hamilton, OH0 injuries · 0 fatalities71 reports →El Paso, CO0 injuries · 0 fatalities71 reports →Smith, TX4 injuries · 0 fatalities71 reports →Jefferson, KY0 injuries · 1 fatalities71 reports →Howell, MO1 injuries · 3 fatalities71 reports →Forrest, MS0 injuries · 0 fatalities71 reports →Wayne, UT0 injuries · 0 fatalities70 reports →Midland, TX0 injuries · 0 fatalities70 reports →New Castle, DE0 injuries · 0 fatalities68 reports →Horry, SC0 injuries · 3 fatalities67 reports →Tom Green, TX0 injuries · 1 fatalities67 reports →Garfield, UT0 injuries · 1 fatalities66 reports →Queens, NY0 injuries · 11 fatalities66 reports →Cleveland, OK0 injuries · 2 fatalities66 reports →Guilford, NC0 injuries · 1 fatalities65 reports →Hartford, CT0 injuries · 0 fatalities65 reports →Hudson, NJ7 injuries · 1 fatalities64 reports →New Haven, CT0 injuries · 2 fatalities64 reports →Pueblo, CO0 injuries · 0 fatalities64 reports →Newton, MO0 injuries · 0 fatalities64 reports →Marion, WV0 injuries · 0 fatalities63 reports →Sedgwick, KS0 injuries · 0 fatalities63 reports →St. Louis, MN0 injuries · 0 fatalities62 reports →Mcdonald, MO0 injuries · 1 fatalities61 reports →Bucks, PA0 injuries · 9 fatalities61 reports →