01 / YEAR-BY-YEAR
EVENT FILE / 17111MINIMUM 5 REPORTS
MCHENRY · IL
Flash Flood history
NOAA records coded as Flash Flood in Mchenry during the ten complete years from 2016 through 2025.
Reports7NOAA county-coded rows
Population context2.2per 100,000 residents · 2024 ACS denominator 312,591
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
Not a probability
7 reports in ten years does not mean a 0.7-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$0not inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,017within 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 |
|---|---|---|---|---|
| 2024-06-22 | NOAA 1,193,324 | Trained Spotter | — | $0 |
| 2022-07-05 | NOAA 1,031,290 | Public | — | $0 |
| 2021-08-24 | NOAA 979,360 | Emergency Manager | — | $0 |
| 2020-05-14 | NOAA 892,473 | Public | — | $0 |
| 2019-09-13 | NOAA 856,994 | Law Enforcement | — | $0 |
| 2019-09-12 | NOAA 855,431 | Law Enforcement | — | $0 |
| 2017-06-28 | NOAA 717,200 | Law Enforcement | — | $0 |