Alert archive / California / Plumas County
Weather alerts in Plumas County, California, 2023
92 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Plumas County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 92
- Warnings
- 18
- Watches
- 17
- Advisories
- 38
- Busiest month
- June25 alerts
- Busiest day
- May 25, 20235 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Plumas County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 0 | 100% | 0 | ||
| Flash flood warnings | 6 | 2 | 67% | 7 | 57% | 27 min |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Sacramento, CA: tornado warnings | 3 | 1 | 67% | 4 | 25% | 27 min |
| NWS Sacramento, CA: severe thunderstorm warnings | 24 | 6 | 75% | 39 | 56% | 18 min |
| NWS Sacramento, CA: flash flood warnings | 8 | 4 | 50% | 24 | 33% | 38 min |
| NWS Reno, NV: severe thunderstorm warnings | 18 | 1 | 94% | 8 | 13% | 21 min |
| NWS Reno, NV: flash flood warnings | 18 | 0 | 100% | 16 | 0% |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|
| Jan 2, 1:11 PM PST | Winter Storm Watch | REV | 14 hr |
| Jan 3, 3:12 AM PST | Winter Storm Warning | REV | 70 hr |
| Jan 6, 2:37 AM PST | Winter Storm Watch | REV | 34 hr |
| Jan 6, 2:37 AM PST | Winter Storm Warning | REV | 5 days |
| Jan 9, 8:39 AM PST | Areal Flood Advisory | REV | 5 hr |
| Jan 11, 3:42 AM PST | Winter Weather Advisory | REV | 22 hr |
| Jan 11, 3:07 PM PST | Winter Storm Watch | REV | 24 hr |
| Jan 12, 3:08 PM PST | Winter Storm Warning | REV | 4 days |
| Jan 15, 2:25 PM PST | Winter Weather Advisory | REV | 32 hr |
| Jan 17, 1:09 PM PST | Winter Weather Advisory | REV | 42 hr |
| Jan 27, 2:57 PM PST | Winter Weather Advisory | REV | 52 hr |
| Feb 3, 1:34 PM PST | Winter Weather Advisory | REV | 53 hr |
| Feb 19, 2:10 PM PST | Wind Advisory | REV | 53 hr |
| Feb 22, 4:21 AM PST | Winter Weather Advisory | REV | 3 days |
| Feb 25, 4:19 PM PST | Winter Storm Warning | REV | 3 days |
| Mar 1, 2:35 PM PST | Winter Storm Watch | REV | 23 hr |
| Mar 2, 1:36 PM PST | Winter Storm Warning | REV | 4 days |
| Mar 7, 10:43 AM PST | Winter Weather Advisory | REV | 26 hr |
| Mar 7, 1:12 PM PST | Flood Watch | REV | 48 hr |
| Mar 7, 1:37 PM PST | Winter Storm Watch | REV | 26 hr |
| Mar 8, 3:11 PM PST | Winter Storm Warning | REV | 6 days |
| Mar 9, 1:00 PM PST | Areal Flood Advisory | REV | 3 days |
| Mar 9, 6:06 PM PST | Areal Flood Advisory | STO | 16 hr |
| Mar 10, 2:00 AM PST | Areal Flood Advisory | STO | 12 hr |
| Mar 12, 1:20 PM PDT | Flood Watch | REV | 24 hr |
| Mar 13, 1:25 PM PDT | Areal Flood Advisory | REV | 24 hr |
| Mar 13, 7:57 PM PDT | River Flood Warning | REV | 5 days |
| Mar 14, 4:45 AM PDT | Areal Flood Advisory | STO | 7 hr |
| Mar 14, 11:50 AM PDT | Areal Flood Advisory | STO | 24 hr |
| Mar 17, 1:58 PM PDT | Winter Storm Watch | REV | 3 days |
| Mar 18, 1:24 PM PDT | Winter Weather Advisory | REV | 46 hr |
| Mar 24, 2:11 PM PDT | Winter Storm Watch | REV | 48 hr |
| Mar 26, 2:03 PM PDT | Winter Storm Warning | REV | 63 hr |
| Apr 1, 3:05 PM PDT | Winter Weather Advisory | REV | 44 hr |
| Apr 13, 1:36 PM PDT | Flood Watch | REV | 14 min |
| Apr 13, 1:50 PM PDT | Flood Watch | REV | 3 days |
| Apr 14, 4:35 PM PDT | Areal Flood Advisory | REV | 36 days |
| Apr 16, 1:58 PM PDT | Wind Advisory | REV | 45 hr |
| Apr 24, 2:36 PM PDT | Flood Watch | REV | 6 days |
| May 4, 2:23 PM PDT | Flash Flood Warning | REV | 52 min |
| May 20, 3:47 PM PDT | Special Weather Statement | REV | 28 min |
| May 25, 7:53 AM PDT | Flood Watch | REV | 14 hr |
| May 25, 1:08 PM PDT | Areal Flood Advisory | REV | 112 min |
| May 25, 3:02 PM PDT | Special Weather Statement | STO | 58 min |
| May 25, 3:20 PM PDT | Special Weather Statement | STO | 40 min |
| May 25, 4:54 PM PDT | Areal Flood Advisory | REV | 111 min |
| May 28, 8:27 AM PDT | Flood Watch | REV | 58 hr |
| May 29, 2:57 PM PDT | Special Weather Statement | REV | 18 min |
| May 29, 3:28 PM PDT | Special Weather Statement | STO | 47 min |
| May 29, 3:48 PM PDT | Special Weather Statement | STO | 42 min |
| May 29, 4:08 PM PDT | Special Weather Statement | REV | 37 min |
| May 29, 4:16 PM PDT | Special Weather Statement | STO | 44 min |
| May 30, 1:53 PM PDT | Areal Flood Advisory | REV | 112 min |
| Jun 4, 5:08 PM PDT | Areal Flood Advisory | REV | 3 hr |
| Jun 5, 1:26 PM PDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 3:57 PM PDT | Special Weather Statement | STO | 48 min |
| Jun 6, 5:04 PM PDT | Flash Flood Warning | STO | 4 hr |
| Jun 6, 5:49 PM PDT | Areal Flood Advisory | STO | 4 hr |
| Jun 7, 2:32 PM PDT | Flash Flood Warning | REV | 118 min |
| Jun 7, 3:05 PM PDT | Special Weather Statement | STO | 25 min |
| Jun 8, 4:00 PM PDT | Areal Flood Advisory | REV | 52 min |
| Jun 8, 4:33 PM PDT | Areal Flood Advisory | REV | 83 min |
| Jun 8, 4:52 PM PDT | Flash Flood Warning | REV | 113 min |
| Jun 10, 1:44 PM PDT | Severe Thunderstorm Warning | STO | 46 min |
| Jun 10, 2:59 PM PDT | Severe Thunderstorm Warning | STO | 46 min |
| Jun 10, 3:27 PM PDT | Areal Flood Advisory | STO | 6 hr |
| Jun 10, 4:35 PM PDT | Areal Flood Advisory | REV | 115 min |
| Jun 11, 1:13 AM PDT | Flood Watch | REV | 44 hr |
| Jun 11, 6:30 PM PDT | Severe Thunderstorm Warning | STO | 48 min |
| Jun 11, 6:49 PM PDT | Flash Flood Warning | STO | 6 hr |
| Jun 11, 6:59 PM PDT | Flash Flood Warning | REV | 105 min |
| Jun 13, 5:24 PM PDT | Areal Flood Advisory | REV | 2 hr |
| Jun 13, 9:04 PM PDT | Areal Flood Advisory | REV | 86 min |
| Jun 16, 1:19 PM PDT | Lake Wind Advisory | REV | 3 days |
| Jun 23, 7:53 PM PDT | Areal Flood Advisory | REV | 112 min |
| Jun 26, 12:20 PM PDT | Special Weather Statement | STO | 40 min |
| Jun 26, 12:58 PM PDT | Special Weather Statement | STO | 62 min |
| Jun 26, 2:00 PM PDT | Special Weather Statement | STO | 60 min |
| Jul 10, 2:40 AM PDT | Excessive Heat Watch | REV | 48 hr |
| Jul 12, 2:42 AM PDT | Heat Advisory | REV | 5 days |
| Aug 15, 6:01 PM PDT | Special Weather Statement | REV | 29 min |
| Aug 16, 5:40 PM PDT | Special Weather Statement | STO | 35 min |
| Aug 18, 3:40 PM PDT | Special Weather Statement | STO | 50 min |
| Sep 18, 2:14 PM PDT | Special Weather Statement | REV | 46 min |
| Sep 18, 3:45 PM PDT | Areal Flood Advisory | REV | 2 hr |
| Sep 18, 4:47 PM PDT | Special Weather Statement | STO | 28 min |
| Sep 29, 11:08 PM PDT | Areal Flood Advisory | STO | 4 hr |
| Oct 9, 1:54 PM PDT | Freeze Watch | REV | 66 hr |
| Oct 11, 1:35 PM PDT | Freeze Warning | REV | 18 hr |
| Dec 6, 3:09 AM PST | Winter Weather Advisory | REV | 40 hr |
| Dec 17, 3:22 PM PST | Winter Weather Advisory | REV | 21 hr |
| Dec 22, 4:17 PM PST | Freezing Fog Advisory | REV | 8 hr |
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 | 3 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 18 |
| Flooding | |
| Flash Flood Warning | 6 |
| River Flood Warning | 1 |
| Flood Watch | 8 |
| Areal Flood Advisory | 22 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 11 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Lake Wind Advisory | 1 |
| Wind Advisory | 2 |
| Fog and smoke | |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.