Alert archive / California / Merced County / 2025
Weather alerts in Merced County, California, December 2025
15 weather alerts in December 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 0
- Watches
- 2
- Advisories
- 13
- Busiest day
- December 25, 20253 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 1, 6:30 PM PST | Dense Fog Advisory | HNX | 17 hr |
| Dec 5, 1:58 AM PST | Dense Fog Advisory | HNX | 8 days |
| Dec 13, 7:36 PM PST | Dense Fog Advisory | HNX | 15 hr |
| Dec 14, 8:09 PM PST | Dense Fog Advisory | HNX | 15 hr |
| Dec 17, 11:30 PM PST | Dense Fog Advisory | HNX | 10 hr |
| Dec 18, 8:20 PM PST | Dense Fog Advisory | HNX | 12 hr |
| Dec 19, 1:29 PM PST | Flood Watch | HNX | 7 days |
| Dec 22, 1:12 AM PST | High Wind Watch | HNX | 18 hr |
| Dec 22, 7:01 PM PST | Wind Advisory | HNX | 3 days |
| Dec 25, 4:49 AM PST | Areal Flood Advisory | HNX | 107 min |
| Dec 25, 7:33 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Dec 25, 8:27 AM PST | Areal Flood Advisory | HNX | 110 min |
| Dec 28, 8:48 PM PST | Dense Fog Advisory | HNX | 14 hr |
| Dec 29, 4:56 PM PST | Dense Fog Advisory | HNX | 19 hr |
| Dec 30, 10:47 PM PST | Dense Fog Advisory | HNX | 27 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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. Warning verification from the Mesonet's Cow. Rebuilt daily.