National Weather ServiceWest VirginiaFlood AdvisoryArchive to October 1, 2026
Flood Advisories in West Virginia
The National Weather Service issued 28 flood advisories for West Virginia in 2025 and 30 a year on average in 2008-2025; in 2021-2025 it had the 42nd most of any state. 2026 through September: 22, 23% below the average of 29 for those months in 2008-2025. Mercer was covered most often (134 times since 2008).
How many flood advisories does West Virginia get?
Every flood advisory that covered part of West Virginia. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 22 |
| 2025 | 28 |
| 2024 | 29 |
| 2023 | 18 |
| 2022 | 24 |
| 2021 | 54 |
| 2020 | 34 |
| 2019 | 32 |
| 2018 | 59 |
| 2017 | 28 |
| 2016 | 27 |
| 2015 | 17 |
| 2014 | 11 |
| 2013 | 36 |
| 2012 | 28 |
| 2011 | 14 |
| 2010 | 10 |
| 2009 | 29 |
| 2008 | 55 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does West Virginia get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in West Virginia?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Mercer | 134 | 33 | August 28, 2026 |
| Greenbrier | 115 | 40 | August 16, 2026 |
| Summers | 98 | 27 | August 16, 2026 |
| Monroe | 83 | 30 | August 28, 2026 |
| Monongalia | 57 | 5 | April 2, 2024 |
| Hancock | 47 | 6 | August 17, 2024 |
| Marion | 45 | 4 | April 2, 2024 |
| Brooke | 45 | 6 | August 17, 2024 |
| Marshall | 42 | 6 | September 29, 2024 |
| Ohio | 41 | 2 | April 2, 2024 |
| Preston | 36 | 2 | August 29, 2024 |
| Wetzel | 31 | 6 | May 4, 2024 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in West Virginia.