Weather alerts in Merced County, California
815 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Merced County and its neighbors
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Alerts
- 815
- Warnings
- 162
- Watches
- 64
- Advisories
- 369
- Busiest year
- 2023143 alerts
- Average year
- 25over 33 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 54 |
| Tornado Warning | 20 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 33 |
| Special Weather Statement | 187 |
| Flooding | |
| Areal Flood Warning | 7 |
| Flash Flood Warning | 9 |
| River Flood Warning | 14 |
| Flood Watch | 21 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 112 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 10 |
| Extreme Heat Warning | 2 |
| Excessive Heat Watch | 11 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 25 |
| Cold | |
| Freeze Warning | 28 |
| Freeze Watch | 18 |
| Wind and dust | |
| High Wind Warning | 10 |
| High Wind Watch | 4 |
| Lake Wind Advisory | 20 |
| Wind Advisory | 47 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 164 |
The latest warnings
The most recent on file, newest first.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 28, 9:26 AM PDT | Extreme Heat Warning | HNX | 13 days |
| May 15, 11:38 AM PDT | Red Flag Warning | HNX | 3 days |
| May 12, 9:52 AM PDT | Red Flag Warning | HNX | 12 hr |
| Apr 21, 3:43 PM PDT | Severe Thunderstorm Warning | HNX | 32 min |
| Apr 21, 3:19 PM PDT | Severe Thunderstorm Warning | HNX | 26 min |
| Apr 10, 2:09 PM PDT | Severe Thunderstorm Warning | HNX | 36 min |
| Apr 9, 6:24 PM PDT | Severe Thunderstorm Warning | HNX | 34 min |
| Apr 9, 5:29 PM PDT | Severe Thunderstorm Warning | HNX | 61 min |
| Feb 19, 8:49 PM PST | Freeze Warning | HNX | 36 hr |
| Jan 12, 5:45 AM PST | Freeze Warning | HNX | 4 hr |
| Jan 11, 4:35 AM PST | Freeze Warning | HNX | 4 hr |
| Jan 9, 4:24 AM PST | Freeze Warning | HNX | 30 hr |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.