01 / YEAR-BY-YEAR
EVENT FILE / 19103MINIMUM 5 REPORTS
JOHNSON · IA
Flash Flood history
NOAA records coded as Flash Flood in Johnson during the ten complete years from 2016 through 2025.
Reports19NOAA county-coded rows
Population context12.1per 100,000 residents · 2024 ACS denominator 156,639
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
Not a probability
19 reports in ten years does not mean a 1.9-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.
03 / RECORDED CONSEQUENCES
Impact fields on these rows
Damage estimates are nominal values as filed by the reporting source and retained by NOAA.
Property damage$1.5Mnot inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,016within selected window
Latest report year2,024within selected window
04 / RECENT ROW SAMPLE
Latest records in this slice
Up to eight latest rows are shown for auditability. Open NOAA for complete narratives and revisions.
| Date | Event ID | Source | Magnitude / scale | Filed damage |
|---|---|---|---|---|
| 2024-07-10 | NOAA 1,200,299 | Law Enforcement | — | $0 |
| 2024-07-10 | NOAA 1,200,298 | Law Enforcement | — | $0 |
| 2024-07-02 | NOAA 1,200,196 | Public | — | $0 |
| 2024-07-02 | NOAA 1,200,194 | Trained Spotter | — | $0 |
| 2024-07-02 | NOAA 1,200,193 | Public | — | $0 |
| 2022-07-08 | NOAA 1,046,837 | Public | — | $0 |
| 2022-06-25 | NOAA 1,029,396 | Law Enforcement | — | $0 |
| 2020-06-27 | NOAA 898,889 | Law Enforcement | — | $0 |