Alert archive / California / Madera County
Weather alerts in Madera County, California, 2023
186 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Madera County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 186
- Warnings
- 51
- Watches
- 30
- Advisories
- 79
- Busiest month
- March59 alerts
- Busiest day
- January 10, 20239 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Madera County in 2023 had a tornado report inside them.
Madera County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 7 | 1 | 86% | 2 | 50% | 20 min |
| Flash flood warnings | 13 | 1 | 92% | 2 | 50% | 45 min |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hanford, CA: tornado warnings | 6 | 0 | 100% | 1 | 0% | |
| NWS Hanford, CA: severe thunderstorm warnings | 24 | 2 | 92% | 41 | 24% | 15 min |
| NWS Hanford, CA: flash flood warnings | 60 | 8 | 87% | 59 | 20% | 193 min |
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 1, 11:43 AM PST | Winter Weather Advisory | HNX | 40 hr |
| Jan 2, 11:37 AM PST | Winter Storm Watch | HNX | 16 hr |
| Jan 3, 2:37 AM PST | Flood Watch | HNX | 68 hr |
| Jan 3, 3:53 AM PST | Winter Storm Warning | HNX | 66 hr |
| Jan 3, 11:17 AM PST | Wind Advisory | HNX | 47 hr |
| Jan 5, 5:12 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Jan 5, 7:16 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Jan 6, 12:26 AM PST | Dense Fog Advisory | HNX | 10 hr |
| Jan 6, 1:23 AM PST | Flood Watch | HNX | 5 days |
| Jan 6, 1:43 AM PST | Winter Storm Watch | HNX | 7 hr |
| Jan 6, 8:38 AM PST | Winter Storm Warning | HNX | 5 days |
| Jan 6, 12:34 PM PST | Wind Advisory | HNX | 45 hr |
| Jan 8, 1:50 AM PST | River Flood Watch | HNX | 17 hr |
| Jan 8, 10:28 AM PST | Wind Advisory | HNX | 30 hr |
| Jan 9, 8:22 AM PST | Areal Flood Advisory | HNX | 8 hr |
| Jan 9, 9:54 AM PST | Areal Flood Advisory | HNX | 13 hr |
| Jan 9, 10:54 AM PST | Flash Flood Warning | HNX | 3 hr |
| Jan 9, 1:24 PM PST | Areal Flood Advisory | HNX | 10 hr |
| Jan 9, 1:56 PM PST | Areal Flood Warning | HNX | 6 hr |
| Jan 9, 3:18 PM PST | Areal Flood Warning | HNX | 6 hr |
| Jan 10, 11:19 AM PST | Special Weather Statement | HNX | 26 min |
| Jan 10, 11:40 AM PST | Special Weather Statement | HNX | 35 min |
| Jan 10, 12:53 PM PST | Special Weather Statement | HNX | 22 min |
| Jan 10, 1:08 PM PST | Areal Flood Advisory | HNX | 3 hr |
| Jan 10, 1:23 PM PST | Special Weather Statement | HNX | 22 min |
| Jan 10, 1:51 PM PST | Special Weather Statement | HNX | 24 min |
| Jan 10, 1:53 PM PST | Severe Thunderstorm Warning | HNX | 37 min |
| Jan 10, 2:28 PM PST | Special Weather Statement | HNX | 32 min |
| Jan 10, 2:58 PM PST | Special Weather Statement | HNX | 32 min |
| Jan 11, 1:07 PM PST | Winter Storm Watch | HNX | 24 hr |
| Jan 12, 1:08 PM PST | Winter Storm Warning | HNX | 4 days |
| Jan 12, 1:17 PM PST | Flood Watch | HNX | 59 hr |
| Jan 14, 10:32 AM PST | Areal Flood Advisory | HNX | 4 hr |
| Jan 14, 12:25 PM PST | Areal Flood Advisory | HNX | 2 hr |
| Jan 14, 8:41 PM PST | Special Weather Statement | HNX | 34 min |
| Jan 14, 10:16 PM PST | Areal Flood Advisory | HNX | 6 hr |
| Jan 14, 11:14 PM PST | Flash Flood Warning | HNX | 61 min |
| Jan 16, 5:55 AM PST | Special Weather Statement | HNX | 35 min |
| Jan 16, 6:23 AM PST | Special Weather Statement | HNX | 37 min |
| Jan 16, 6:58 AM PST | Special Weather Statement | HNX | 62 min |
| Jan 17, 12:40 PM PST | Winter Weather Advisory | HNX | 45 hr |
| Jan 19, 1:00 AM PST | Freeze Watch | HNX | 31 hr |
| Jan 19, 1:00 AM PST | Freeze Warning | HNX | 31 hr |
| Jan 20, 7:45 AM PST | Freeze Warning | HNX | 4 days |
| Jan 20, 9:49 PM PST | Dense Fog Advisory | HNX | 12 hr |
| Jan 21, 9:50 AM PST | Dense Fog Advisory | HNX | 25 hr |
| Jan 21, 9:50 AM PST | High Wind Watch | HNX | 19 hr |
| Jan 22, 4:33 AM PST | High Wind Warning | HNX | 35 hr |
| Jan 22, 4:33 AM PST | Wind Advisory | HNX | 31 hr |
| Jan 23, 11:50 AM PST | Dense Fog Advisory | HNX | 19 hr |
| Jan 25, 12:07 PM PST | Dense Fog Advisory | HNX | 21 hr |
| Jan 28, 12:34 AM PST | Freeze Watch | HNX | 47 hr |
| Jan 28, 6:23 AM PST | Dense Fog Advisory | HNX | 5 hr |
| Jan 29, 11:21 PM PST | Freeze Warning | HNX | 58 hr |
| Jan 30, 6:00 AM PST | Dense Fog Advisory | HNX | 5 hr |
| Jan 31, 3:34 AM PST | Dense Fog Advisory | HNX | 8 hr |
| Jan 31, 7:17 PM PST | Dense Fog Advisory | HNX | 11 hr |
| Feb 2, 11:32 AM PST | Winter Storm Watch | HNX | 24 hr |
| Feb 3, 11:58 AM PST | Winter Storm Warning | HNX | 58 hr |
| Feb 3, 9:58 PM PST | Dense Fog Advisory | HNX | 12 hr |
| Feb 5, 3:22 PM PST | Special Weather Statement | HNX | 23 min |
| Feb 5, 3:44 PM PST | Special Weather Statement | HNX | 31 min |
| Feb 5, 4:12 PM PST | Special Weather Statement | HNX | 48 min |
| Feb 6, 5:13 AM PST | Dense Fog Advisory | HNX | 6 hr |
| Feb 6, 9:34 PM PST | Dense Fog Advisory | HNX | 11 hr |
| Feb 7, 12:53 PM PST | Dense Fog Advisory | HNX | 20 hr |
| Feb 8, 10:11 AM PST | Dense Fog Advisory | HNX | 23 hr |
| Feb 9, 10:54 AM PST | Dense Fog Advisory | HNX | 22 hr |
| Feb 10, 9:39 AM PST | Wind Advisory | HNX | 12 hr |
| Feb 11, 8:08 AM PST | High Wind Warning | HNX | 38 hr |
| Feb 12, 11:51 AM PST | Freeze Watch | HNX | 24 hr |
| Feb 13, 1:10 AM PST | Wind Advisory | HNX | 42 hr |
| Feb 13, 11:59 AM PST | Freeze Warning | HNX | 69 hr |
| Feb 20, 12:02 AM PST | Winter Storm Watch | HNX | 12 hr |
| Feb 20, 1:01 AM PST | Wind Advisory | HNX | 50 hr |
| Feb 20, 11:48 AM PST | Winter Storm Warning | HNX | 5 days |
| Feb 21, 1:37 AM PST | Winter Weather Advisory | HNX | 5 days |
| Feb 22, 9:43 AM PST | Blizzard Warning | HNX | 3 days |
| Feb 22, 11:53 AM PST | Wind Advisory | HNX | 55 hr |
| Feb 25, 2:00 AM PST | Winter Storm Watch | HNX | 25 hr |
| Feb 26, 2:33 AM PST | Blizzard Warning | HNX | 3 days |
| Feb 26, 2:33 AM PST | Winter Storm Warning | HNX | 4 days |
| Feb 28, 1:34 AM PST | Freeze Watch | HNX | 34 hr |
| Feb 28, 11:08 AM PST | Freeze Warning | HNX | 46 hr |
| Feb 28, 4:24 PM PST | Special Weather Statement | HNX | 51 min |
| Mar 1, 11:54 AM PST | Freeze Warning | HNX | 45 hr |
| Mar 2, 1:05 PM PST | Winter Storm Warning | HNX | 4 days |
| Mar 5, 1:16 PM PST | Areal Flood Advisory | HNX | 59 min |
| Mar 7, 12:26 PM PST | Flood Watch | HNX | 8 days |
| Mar 7, 12:50 PM PST | Winter Storm Watch | HNX | 14 hr |
| Mar 8, 1:20 AM PST | Wind Advisory | HNX | 69 hr |
| Mar 8, 3:08 AM PST | Winter Storm Warning | HNX | 7 days |
| Mar 9, 2:05 PM PST | Areal Flood Advisory | HNX | 11 hr |
| Mar 9, 4:32 PM PST | Areal Flood Advisory | HNX | 6 hr |
| Mar 9, 9:22 PM PST | Areal Flood Advisory | HNX | 17 hr |
| Mar 10, 2:06 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Mar 10, 6:58 AM PST | Areal Flood Advisory | HNX | 8 hr |
| Mar 10, 7:59 AM PST | Flash Flood Warning | HNX | 6 hr |
| Mar 10, 9:17 AM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 10, 12:15 PM PST | Areal Flood Warning | HNX | 12 hr |
| Mar 10, 2:20 PM PST | Areal Flood Advisory | HNX | 18 hr |
| Mar 10, 2:20 PM PST | Areal Flood Advisory | HNX | 18 hr |
| Mar 10, 6:16 PM PST | Flash Flood Warning | HNX | 4 hr |
| Mar 10, 7:01 PM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 10, 10:19 PM PST | Flash Flood Warning | HNX | 3 hr |
| Mar 10, 11:11 PM PST | Areal Flood Advisory | HNX | 83 min |
| Mar 11, 12:34 AM PST | Flash Flood Warning | HNX | 14 hr |
| Mar 11, 1:59 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Mar 11, 3:45 AM PST | Areal Flood Advisory | HNX | 3 hr |
| Mar 11, 12:50 PM PST | Mesoscale Discussion | SPC | 115 min |
| Mar 11, 1:11 PM PST | Flash Flood Warning | HNX | 5 hr |
| Mar 11, 4:04 PM PST | Flash Flood Warning | HNX | 7 hr |
| Mar 11, 5:54 PM PST | Special Weather Statement | HNX | 36 min |
| Mar 12, 11:51 AM PDT | Special Weather Statement | HNX | 24 min |
| Mar 12, 1:50 PM PDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 3:05 PM PDT | Tornado Warning | HNX | 25 min |
| Mar 12, 3:22 PM PDT | Severe Thunderstorm Warning | HNX | 23 min |
| Mar 12, 3:44 PM PDT | Severe Thunderstorm Warning | HNX | 31 min |
| Mar 12, 4:35 PM PDT | Severe Thunderstorm Warning | HNX | 25 min |
| Mar 12, 4:58 PM PDT | Severe Thunderstorm Warning | HNX | 32 min |
| Mar 12, 5:09 PM PDT | Areal Flood Advisory | HNX | 4 hr |
| Mar 12, 5:28 PM PDT | Severe Thunderstorm Warning | HNX | 47 min |
| Mar 12, 5:58 PM PDT | Special Weather Statement | HNX | 32 min |
| Mar 12, 6:15 PM PDT | Flash Flood Warning | HNX | 113 min |
| Mar 12, 6:26 PM PDT | Areal Flood Advisory | HNX | 4 hr |
| Mar 12, 6:31 PM PDT | Flash Flood Warning | HNX | 97 min |
| Mar 14, 4:40 AM PDT | Areal Flood Advisory | HNX | 12 hr |
| Mar 14, 8:41 AM PDT | Wind Advisory | HNX | 18 hr |
| Mar 14, 5:31 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Mar 14, 7:36 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Mar 15, 8:56 AM PDT | Areal Flood Advisory | HNX | 24 hr |
| Mar 16, 8:59 AM PDT | Areal Flood Advisory | HNX | 26 hr |
| Mar 17, 2:18 PM PDT | Winter Storm Watch | HNX | 71 hr |
| Mar 18, 2:02 PM PDT | Winter Storm Warning | HNX | 45 hr |
| Mar 19, 9:07 PM PDT | Areal Flood Advisory | HNX | 25 days |
| Mar 19, 10:23 PM PDT | Areal Flood Advisory | HNX | 103 min |
| Mar 20, 1:25 PM PDT | Winter Storm Warning | HNX | 58 hr |
| Mar 20, 1:34 PM PDT | Wind Advisory | HNX | 39 hr |
| Mar 20, 2:02 PM PDT | Flood Watch | HNX | 57 hr |
| Mar 24, 12:33 PM PDT | Winter Storm Watch | HNX | 48 hr |
| Mar 26, 12:19 PM PDT | Winter Storm Warning | HNX | 3 days |
| Mar 28, 9:56 AM PDT | Flood Watch | HNX | 43 hr |
| Mar 30, 5:07 AM PDT | Flood Watch | HNX | 6 hr |
| Apr 2, 8:08 AM PDT | Wind Advisory | HNX | 39 hr |
| Apr 14, 9:12 AM PDT | Areal Flood Advisory | HNX | 35 days |
| Apr 24, 1:00 PM PDT | Flood Watch | HNX | 7 days |
| May 10, 11:18 PM PDT | Heat Advisory | HNX | 5 days |
| May 13, 3:52 PM PDT | River Flood Watch | HNX | 25 hr |
| May 21, 3:26 PM PDT | Special Weather Statement | HNX | 34 min |
| May 21, 3:58 PM PDT | Flash Flood Warning | HNX | 55 min |
| May 26, 4:11 PM PDT | Areal Flood Advisory | HNX | 3 hr |
| Jun 5, 4:43 PM PDT | Mesoscale Discussion | SPC | 92 min |
| Jun 5, 5:56 PM PDT | Severe Thunderstorm Warning | HNX | 34 min |
| Jun 27, 9:20 AM PDT | Excessive Heat Watch | HNX | 50 hr |
| Jun 28, 11:46 AM PDT | Excessive Heat Warning | HNX | 4 days |
| Jun 28, 11:46 AM PDT | Heat Advisory | HNX | 4 days |
| Jun 28, 4:56 PM PDT | Special Weather Statement | HNX | 34 min |
| Jul 10, 2:34 AM PDT | Excessive Heat Watch | HNX | 45 hr |
| Jul 11, 11:23 PM PDT | Excessive Heat Warning | HNX | 6 days |
| Jul 12, 12:40 PM PDT | Heat Advisory | HNX | 5 days |
| Jul 18, 11:53 AM PDT | Excessive Heat Watch | HNX | 39 hr |
| Jul 19, 12:26 PM PDT | Excessive Heat Warning | HNX | 4 days |
| Jul 19, 12:26 PM PDT | Heat Advisory | HNX | 59 hr |
| Jul 19, 12:26 PM PDT | Heat Advisory | HNX | 72 hr |
| Aug 13, 1:23 AM PDT | Heat Advisory | HNX | 5 days |
| Aug 19, 1:19 PM PDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 10:42 PM PDT | Special Weather Statement | HNX | 48 min |
| Sep 10, 5:02 PM PDT | Areal Flood Advisory | HNX | 118 min |
| Sep 28, 12:25 PM PDT | Winter Weather Advisory | HNX | 3 days |
| Sep 30, 1:52 AM PDT | Special Weather Statement | HNX | 38 min |
| Nov 5, 12:51 PM PST | Winter Weather Advisory | HNX | 51 hr |
| Nov 17, 6:06 AM PST | Dense Fog Advisory | HNX | 4 hr |
| Nov 17, 1:38 PM PST | Winter Weather Advisory | HNX | 38 hr |
| Nov 23, 11:07 AM PST | Freeze Watch | HNX | 16 hr |
| Nov 24, 3:24 AM PST | Freeze Warning | HNX | 5 days |
| Dec 4, 3:14 PM PST | Dense Fog Advisory | HNX | 18 hr |
| Dec 7, 1:38 AM PST | Freeze Watch | HNX | 26 hr |
| Dec 8, 3:17 AM PST | Freeze Warning | HNX | 5 days |
| Dec 8, 11:19 PM PST | Dense Fog Advisory | HNX | 11 hr |
| Dec 18, 12:32 AM PST | Winter Storm Watch | HNX | 12 hr |
| Dec 18, 12:03 PM PST | Winter Storm Warning | HNX | 70 hr |
| Dec 20, 5:30 PM PST | Areal Flood Advisory | HNX | 3 hr |
| Dec 21, 8:51 PM PST | Dense Fog Advisory | HNX | 12 hr |
| Dec 22, 8:12 PM PST | Dense Fog Advisory | HNX | 14 hr |
| Dec 24, 7:11 PM PST | Dense Fog Advisory | HNX | 16 hr |
| Dec 28, 11:02 AM PST | Winter Weather Advisory | HNX | 50 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 | 7 |
| Tornado Warning | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 13 |
| Flood Watch | 8 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 33 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 12 |
| Winter Storm Watch | 10 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 6 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 12 |
| Fog and smoke | |
| Dense Fog Advisory | 21 |
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.