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

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings7186%250%20 min
Flash flood warnings13192%250%45 min

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Hanford, CA: tornado warnings60100%10%
NWS Hanford, CA: severe thunderstorm warnings24292%4124%15 min
NWS Hanford, CA: flash flood warnings60887%5920%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.

IssuedProductOfficeLasted
Jan 1, 11:43 AM PSTWinter Weather AdvisoryHNX40 hr
Jan 2, 11:37 AM PSTWinter Storm WatchHNX16 hr
Jan 3, 2:37 AM PSTFlood WatchHNX68 hr
Jan 3, 3:53 AM PSTWinter Storm WarningHNX66 hr
Jan 3, 11:17 AM PSTWind AdvisoryHNX47 hr
Jan 5, 5:12 AM PSTAreal Flood AdvisoryHNX3 hr
Jan 5, 7:16 AM PSTAreal Flood AdvisoryHNX3 hr
Jan 6, 12:26 AM PSTDense Fog AdvisoryHNX10 hr
Jan 6, 1:23 AM PSTFlood WatchHNX5 days
Jan 6, 1:43 AM PSTWinter Storm WatchHNX7 hr
Jan 6, 8:38 AM PSTWinter Storm WarningHNX5 days
Jan 6, 12:34 PM PSTWind AdvisoryHNX45 hr
Jan 8, 1:50 AM PSTRiver Flood WatchHNX17 hr
Jan 8, 10:28 AM PSTWind AdvisoryHNX30 hr
Jan 9, 8:22 AM PSTAreal Flood AdvisoryHNX8 hr
Jan 9, 9:54 AM PSTAreal Flood AdvisoryHNX13 hr
Jan 9, 10:54 AM PSTFlash Flood Warning Considerable damage threatHNX3 hr
Jan 9, 1:24 PM PSTAreal Flood AdvisoryHNX10 hr
Jan 9, 1:56 PM PSTAreal Flood WarningHNX6 hr
Jan 9, 3:18 PM PSTAreal Flood WarningHNX6 hr
Jan 10, 11:19 AM PSTSpecial Weather StatementHNX26 min
Jan 10, 11:40 AM PSTSpecial Weather StatementHNX35 min
Jan 10, 12:53 PM PSTSpecial Weather StatementHNX22 min
Jan 10, 1:08 PM PSTAreal Flood AdvisoryHNX3 hr
Jan 10, 1:23 PM PSTSpecial Weather StatementHNX22 min
Jan 10, 1:51 PM PSTSpecial Weather StatementHNX24 min
Jan 10, 1:53 PM PSTSevere Thunderstorm WarningHNX37 min
Jan 10, 2:28 PM PSTSpecial Weather StatementHNX32 min
Jan 10, 2:58 PM PSTSpecial Weather StatementHNX32 min
Jan 11, 1:07 PM PSTWinter Storm WatchHNX24 hr
Jan 12, 1:08 PM PSTWinter Storm WarningHNX4 days
Jan 12, 1:17 PM PSTFlood WatchHNX59 hr
Jan 14, 10:32 AM PSTAreal Flood AdvisoryHNX4 hr
Jan 14, 12:25 PM PSTAreal Flood AdvisoryHNX2 hr
Jan 14, 8:41 PM PSTSpecial Weather StatementHNX34 min
Jan 14, 10:16 PM PSTAreal Flood AdvisoryHNX6 hr
Jan 14, 11:14 PM PSTFlash Flood WarningHNX61 min
Jan 16, 5:55 AM PSTSpecial Weather StatementHNX35 min
Jan 16, 6:23 AM PSTSpecial Weather StatementHNX37 min
Jan 16, 6:58 AM PSTSpecial Weather StatementHNX62 min
Jan 17, 12:40 PM PSTWinter Weather AdvisoryHNX45 hr
Jan 19, 1:00 AM PSTFreeze WatchHNX31 hr
Jan 19, 1:00 AM PSTFreeze WarningHNX31 hr
Jan 20, 7:45 AM PSTFreeze WarningHNX4 days
Jan 20, 9:49 PM PSTDense Fog AdvisoryHNX12 hr
Jan 21, 9:50 AM PSTDense Fog AdvisoryHNX25 hr
Jan 21, 9:50 AM PSTHigh Wind WatchHNX19 hr
Jan 22, 4:33 AM PSTHigh Wind WarningHNX35 hr
Jan 22, 4:33 AM PSTWind AdvisoryHNX31 hr
Jan 23, 11:50 AM PSTDense Fog AdvisoryHNX19 hr
Jan 25, 12:07 PM PSTDense Fog AdvisoryHNX21 hr
Jan 28, 12:34 AM PSTFreeze WatchHNX47 hr
Jan 28, 6:23 AM PSTDense Fog AdvisoryHNX5 hr
Jan 29, 11:21 PM PSTFreeze WarningHNX58 hr
Jan 30, 6:00 AM PSTDense Fog AdvisoryHNX5 hr
Jan 31, 3:34 AM PSTDense Fog AdvisoryHNX8 hr
Jan 31, 7:17 PM PSTDense Fog AdvisoryHNX11 hr
Feb 2, 11:32 AM PSTWinter Storm WatchHNX24 hr
Feb 3, 11:58 AM PSTWinter Storm WarningHNX58 hr
Feb 3, 9:58 PM PSTDense Fog AdvisoryHNX12 hr
Feb 5, 3:22 PM PSTSpecial Weather StatementHNX23 min
Feb 5, 3:44 PM PSTSpecial Weather StatementHNX31 min
Feb 5, 4:12 PM PSTSpecial Weather StatementHNX48 min
Feb 6, 5:13 AM PSTDense Fog AdvisoryHNX6 hr
Feb 6, 9:34 PM PSTDense Fog AdvisoryHNX11 hr
Feb 7, 12:53 PM PSTDense Fog AdvisoryHNX20 hr
Feb 8, 10:11 AM PSTDense Fog AdvisoryHNX23 hr
Feb 9, 10:54 AM PSTDense Fog AdvisoryHNX22 hr
Feb 10, 9:39 AM PSTWind AdvisoryHNX12 hr
Feb 11, 8:08 AM PSTHigh Wind WarningHNX38 hr
Feb 12, 11:51 AM PSTFreeze WatchHNX24 hr
Feb 13, 1:10 AM PSTWind AdvisoryHNX42 hr
Feb 13, 11:59 AM PSTFreeze WarningHNX69 hr
Feb 20, 12:02 AM PSTWinter Storm WatchHNX12 hr
Feb 20, 1:01 AM PSTWind AdvisoryHNX50 hr
Feb 20, 11:48 AM PSTWinter Storm WarningHNX5 days
Feb 21, 1:37 AM PSTWinter Weather AdvisoryHNX5 days
Feb 22, 9:43 AM PSTBlizzard WarningHNX3 days
Feb 22, 11:53 AM PSTWind AdvisoryHNX55 hr
Feb 25, 2:00 AM PSTWinter Storm WatchHNX25 hr
Feb 26, 2:33 AM PSTBlizzard WarningHNX3 days
Feb 26, 2:33 AM PSTWinter Storm WarningHNX4 days
Feb 28, 1:34 AM PSTFreeze WatchHNX34 hr
Feb 28, 11:08 AM PSTFreeze WarningHNX46 hr
Feb 28, 4:24 PM PSTSpecial Weather StatementHNX51 min
Mar 1, 11:54 AM PSTFreeze WarningHNX45 hr
Mar 2, 1:05 PM PSTWinter Storm WarningHNX4 days
Mar 5, 1:16 PM PSTAreal Flood AdvisoryHNX59 min
Mar 7, 12:26 PM PSTFlood WatchHNX8 days
Mar 7, 12:50 PM PSTWinter Storm WatchHNX14 hr
Mar 8, 1:20 AM PSTWind AdvisoryHNX69 hr
Mar 8, 3:08 AM PSTWinter Storm WarningHNX7 days
Mar 9, 2:05 PM PSTAreal Flood AdvisoryHNX11 hr
Mar 9, 4:32 PM PSTAreal Flood AdvisoryHNX6 hr
Mar 9, 9:22 PM PSTAreal Flood AdvisoryHNX17 hr
Mar 10, 2:06 AM PSTAreal Flood AdvisoryHNX3 hr
Mar 10, 6:58 AM PSTAreal Flood AdvisoryHNX8 hr
Mar 10, 7:59 AM PSTFlash Flood WarningHNX6 hr
Mar 10, 9:17 AM PSTFlash Flood WarningHNX3 hr
Mar 10, 12:15 PM PSTAreal Flood WarningHNX12 hr
Mar 10, 2:20 PM PSTAreal Flood AdvisoryHNX18 hr
Mar 10, 2:20 PM PSTAreal Flood AdvisoryHNX18 hr
Mar 10, 6:16 PM PSTFlash Flood WarningHNX4 hr
Mar 10, 7:01 PM PSTFlash Flood WarningHNX3 hr
Mar 10, 10:19 PM PSTFlash Flood WarningHNX3 hr
Mar 10, 11:11 PM PSTAreal Flood AdvisoryHNX83 min
Mar 11, 12:34 AM PSTFlash Flood WarningHNX14 hr
Mar 11, 1:59 AM PSTAreal Flood AdvisoryHNX3 hr
Mar 11, 3:45 AM PSTAreal Flood AdvisoryHNX3 hr
Mar 11, 12:50 PM PSTMesoscale DiscussionSPC115 min
Mar 11, 1:11 PM PSTFlash Flood WarningHNX5 hr
Mar 11, 4:04 PM PSTFlash Flood WarningHNX7 hr
Mar 11, 5:54 PM PSTSpecial Weather StatementHNX36 min
Mar 12, 11:51 AM PDTSpecial Weather StatementHNX24 min
Mar 12, 1:50 PM PDTMesoscale DiscussionSPC2 hr
Mar 12, 3:05 PM PDTTornado WarningHNX25 min
Mar 12, 3:22 PM PDTSevere Thunderstorm WarningHNX23 min
Mar 12, 3:44 PM PDTSevere Thunderstorm WarningHNX31 min
Mar 12, 4:35 PM PDTSevere Thunderstorm WarningHNX25 min
Mar 12, 4:58 PM PDTSevere Thunderstorm WarningHNX32 min
Mar 12, 5:09 PM PDTAreal Flood AdvisoryHNX4 hr
Mar 12, 5:28 PM PDTSevere Thunderstorm WarningHNX47 min
Mar 12, 5:58 PM PDTSpecial Weather StatementHNX32 min
Mar 12, 6:15 PM PDTFlash Flood Warning Considerable damage threatHNX113 min
Mar 12, 6:26 PM PDTAreal Flood AdvisoryHNX4 hr
Mar 12, 6:31 PM PDTFlash Flood Warning Considerable damage threatHNX97 min
Mar 14, 4:40 AM PDTAreal Flood AdvisoryHNX12 hr
Mar 14, 8:41 AM PDTWind AdvisoryHNX18 hr
Mar 14, 5:31 PM PDTAreal Flood AdvisoryHNX3 hr
Mar 14, 7:36 PM PDTAreal Flood AdvisoryHNX3 hr
Mar 15, 8:56 AM PDTAreal Flood AdvisoryHNX24 hr
Mar 16, 8:59 AM PDTAreal Flood AdvisoryHNX26 hr
Mar 17, 2:18 PM PDTWinter Storm WatchHNX71 hr
Mar 18, 2:02 PM PDTWinter Storm WarningHNX45 hr
Mar 19, 9:07 PM PDTAreal Flood AdvisoryHNX25 days
Mar 19, 10:23 PM PDTAreal Flood AdvisoryHNX103 min
Mar 20, 1:25 PM PDTWinter Storm WarningHNX58 hr
Mar 20, 1:34 PM PDTWind AdvisoryHNX39 hr
Mar 20, 2:02 PM PDTFlood WatchHNX57 hr
Mar 24, 12:33 PM PDTWinter Storm WatchHNX48 hr
Mar 26, 12:19 PM PDTWinter Storm WarningHNX3 days
Mar 28, 9:56 AM PDTFlood WatchHNX43 hr
Mar 30, 5:07 AM PDTFlood WatchHNX6 hr
Apr 2, 8:08 AM PDTWind AdvisoryHNX39 hr
Apr 14, 9:12 AM PDTAreal Flood AdvisoryHNX35 days
Apr 24, 1:00 PM PDTFlood WatchHNX7 days
May 10, 11:18 PM PDTHeat AdvisoryHNX5 days
May 13, 3:52 PM PDTRiver Flood WatchHNX25 hr
May 21, 3:26 PM PDTSpecial Weather StatementHNX34 min
May 21, 3:58 PM PDTFlash Flood WarningHNX55 min
May 26, 4:11 PM PDTAreal Flood AdvisoryHNX3 hr
Jun 5, 4:43 PM PDTMesoscale DiscussionSPC92 min
Jun 5, 5:56 PM PDTSevere Thunderstorm WarningHNX34 min
Jun 27, 9:20 AM PDTExcessive Heat WatchHNX50 hr
Jun 28, 11:46 AM PDTExcessive Heat WarningHNX4 days
Jun 28, 11:46 AM PDTHeat AdvisoryHNX4 days
Jun 28, 4:56 PM PDTSpecial Weather StatementHNX34 min
Jul 10, 2:34 AM PDTExcessive Heat WatchHNX45 hr
Jul 11, 11:23 PM PDTExcessive Heat WarningHNX6 days
Jul 12, 12:40 PM PDTHeat AdvisoryHNX5 days
Jul 18, 11:53 AM PDTExcessive Heat WatchHNX39 hr
Jul 19, 12:26 PM PDTExcessive Heat WarningHNX4 days
Jul 19, 12:26 PM PDTHeat AdvisoryHNX59 hr
Jul 19, 12:26 PM PDTHeat AdvisoryHNX72 hr
Aug 13, 1:23 AM PDTHeat AdvisoryHNX5 days
Aug 19, 1:19 PM PDTMesoscale DiscussionSPC2 hr
Aug 21, 10:42 PM PDTSpecial Weather StatementHNX48 min
Sep 10, 5:02 PM PDTAreal Flood AdvisoryHNX118 min
Sep 28, 12:25 PM PDTWinter Weather AdvisoryHNX3 days
Sep 30, 1:52 AM PDTSpecial Weather StatementHNX38 min
Nov 5, 12:51 PM PSTWinter Weather AdvisoryHNX51 hr
Nov 17, 6:06 AM PSTDense Fog AdvisoryHNX4 hr
Nov 17, 1:38 PM PSTWinter Weather AdvisoryHNX38 hr
Nov 23, 11:07 AM PSTFreeze WatchHNX16 hr
Nov 24, 3:24 AM PSTFreeze WarningHNX5 days
Dec 4, 3:14 PM PSTDense Fog AdvisoryHNX18 hr
Dec 7, 1:38 AM PSTFreeze WatchHNX26 hr
Dec 8, 3:17 AM PSTFreeze WarningHNX5 days
Dec 8, 11:19 PM PSTDense Fog AdvisoryHNX11 hr
Dec 18, 12:32 AM PSTWinter Storm WatchHNX12 hr
Dec 18, 12:03 PM PSTWinter Storm WarningHNX70 hr
Dec 20, 5:30 PM PSTAreal Flood AdvisoryHNX3 hr
Dec 21, 8:51 PM PSTDense Fog AdvisoryHNX12 hr
Dec 22, 8:12 PM PSTDense Fog AdvisoryHNX14 hr
Dec 24, 7:11 PM PSTDense Fog AdvisoryHNX16 hr
Dec 28, 11:02 AM PSTWinter Weather AdvisoryHNX50 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.