Alert archive / California / Riverside County
Weather alerts in Riverside County, California, 2019
301 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Riverside County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 301
- Warnings
- 96
- Watches
- 37
- Advisories
- 156
- Busiest month
- February54 alerts
- Busiest day
- February 14, 201915 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Riverside County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 3 | 73% | 10 | 100% | 21 min |
| Flash flood warnings | 36 | 17 | 53% | 45 | 67% | 117 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Phoenix, AZ: tornado warnings | 3 | 1 | 67% | 7 | 14% | 0 min |
| NWS Phoenix, AZ: severe thunderstorm warnings | 80 | 24 | 70% | 73 | 68% | 16 min |
| NWS Phoenix, AZ: flash flood warnings | 123 | 61 | 50% | 115 | 83% | 86 min |
| NWS San Diego, CA: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS San Diego, CA: severe thunderstorm warnings | 16 | 5 | 69% | 18 | 67% | 16 min |
| NWS San Diego, CA: flash flood warnings | 36 | 16 | 56% | 84 | 48% | 97 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, 12:20 PM PST | Freeze Warning | SGX | 44 hr |
| Jan 2, 2:41 AM PST | Wind Advisory | SGX | 11 hr |
| Jan 4, 2:41 PM PST | Winter Weather Advisory | SGX | 42 hr |
| Jan 6, 8:18 AM PST | Dense Fog Advisory | PSR | 102 min |
| Jan 11, 3:09 AM PST | Dense Fog Advisory | SGX | 6 hr |
| Jan 11, 3:16 AM PST | Winter Weather Advisory | SGX | 39 hr |
| Jan 12, 3:00 PM PST | Winter Storm Watch | SGX | 24 hr |
| Jan 13, 3:00 PM PST | Flash Flood Watch | SGX | 30 hr |
| Jan 13, 3:06 PM PST | Winter Storm Warning | SGX | 60 hr |
| Jan 15, 8:24 AM PST | Areal Flood Advisory | PSR | 4 hr |
| Jan 15, 7:17 PM PST | Areal Flood Advisory | SGX | 5 hr |
| Jan 15, 7:19 PM PST | Flash Flood Watch | SGX | 47 hr |
| Jan 16, 3:33 AM PST | Dense Fog Advisory | PSR | 8 hr |
| Jan 16, 1:19 PM PST | Wind Advisory | SGX | 37 hr |
| Jan 16, 7:20 PM PST | Areal Flood Advisory | SGX | 115 min |
| Jan 17, 12:43 AM PST | Dense Fog Advisory | PSR | 7 hr |
| Jan 17, 8:38 AM PST | Areal Flood Advisory | SGX | 5 hr |
| Jan 17, 10:36 AM PST | Flash Flood Warning | SGX | 3 hr |
| Jan 17, 11:22 AM PST | Flash Flood Warning | SGX | 3 hr |
| Jan 17, 1:34 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Jan 19, 7:08 PM PST | High Wind Warning | SGX | 45 hr |
| Jan 19, 7:08 PM PST | Wind Advisory | SGX | 8 hr |
| Jan 20, 3:10 PM PST | High Wind Watch | SGX | 12 hr |
| Jan 21, 3:08 AM PST | Wind Advisory | SGX | 57 hr |
| Jan 21, 12:55 PM PST | Wind Advisory | PSR | 28 hr |
| Jan 23, 12:00 PM PST | Wind Advisory | SGX | 24 hr |
| Jan 25, 2:44 AM PST | Wind Advisory | SGX | 39 hr |
| Jan 30, 12:33 PM PST | Flash Flood Watch | SGX | 29 hr |
| Jan 31, 11:20 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Jan 31, 1:19 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Jan 31, 4:34 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Jan 31, 9:21 PM PST | Flash Flood Watch | SGX | 45 hr |
| Jan 31, 9:35 PM PST | Areal Flood Advisory | PSR | 2 hr |
| Feb 1, 1:28 PM PST | Wind Advisory | SGX | 29 hr |
| Feb 1, 1:39 PM PST | Winter Storm Warning | SGX | 5 days |
| Feb 2, 12:36 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Feb 2, 2:17 PM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 2, 2:35 PM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 2, 3:45 PM PST | Winter Weather Advisory | SGX | 24 hr |
| Feb 2, 4:06 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Feb 2, 7:17 PM PST | Areal Flood Advisory | PSR | 3 hr |
| Feb 4, 1:57 AM PST | Wind Advisory | PSR | 12 hr |
| Feb 4, 1:46 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Feb 6, 3:09 AM PST | Frost Advisory | SGX | 6 hr |
| Feb 6, 3:09 AM PST | Frost Advisory | SGX | 11 hr |
| Feb 6, 2:28 PM PST | Frost Advisory | SGX | 19 hr |
| Feb 6, 2:28 PM PST | Freeze Warning | SGX | 19 hr |
| Feb 8, 3:15 PM PST | Winter Weather Advisory | SGX | 20 hr |
| Feb 9, 12:32 PM PST | Winter Weather Advisory | SGX | 33 hr |
| Feb 9, 12:50 PM PST | Wind Advisory | SGX | 31 hr |
| Feb 11, 5:12 AM PST | Frost Advisory | SGX | 3 hr |
| Feb 12, 1:09 PM PST | High Wind Watch | SGX | 15 hr |
| Feb 12, 1:27 PM PST | Flood Watch | PSR | 69 hr |
| Feb 12, 2:04 PM PST | Flash Flood Watch | SGX | 51 hr |
| Feb 13, 3:54 AM PST | High Wind Warning | SGX | 23 hr |
| Feb 13, 1:57 PM PST | Wind Advisory | SGX | 13 hr |
| Feb 14, 2:32 AM PST | Wind Advisory | SGX | 35 hr |
| Feb 14, 3:10 AM PST | Areal Flood Advisory | SGX | 9 hr |
| Feb 14, 5:41 AM PST | Flash Flood Warning | SGX | 5 hr |
| Feb 14, 7:23 AM PST | Areal Flood Advisory | PSR | 6 hr |
| Feb 14, 7:39 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Feb 14, 7:50 AM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 8:08 AM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 9:51 AM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 10:39 AM PST | Flash Flood Warning | PSR | 4 hr |
| Feb 14, 10:49 AM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 10:59 AM PST | Areal Flood Warning | SGX | 6 hr |
| Feb 14, 10:59 AM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 12:48 PM PST | Flash Flood Warning | SGX | 3 hr |
| Feb 14, 1:56 PM PST | Areal Flood Warning | SGX | 3 hr |
| Feb 14, 2:12 PM PST | Areal Flood Warning | SGX | 3 hr |
| Feb 14, 5:00 PM PST | Areal Flood Warning | SGX | 3 hr |
| Feb 15, 1:41 PM PST | Winter Weather Advisory | SGX | 31 hr |
| Feb 16, 12:30 PM PST | Winter Storm Warning | SGX | 38 hr |
| Feb 16, 8:17 PM PST | Winter Weather Advisory | SGX | 30 hr |
| Feb 17, 2:54 AM PST | Wind Advisory | SGX | 24 hr |
| Feb 17, 12:31 PM PST | Freeze Watch | PSR | 38 hr |
| Feb 18, 2:54 AM PST | Frost Advisory | SGX | 5 hr |
| Feb 18, 2:54 AM PST | Frost Advisory | SGX | 30 hr |
| Feb 18, 2:54 AM PST | Frost Advisory | SGX | 54 hr |
| Feb 19, 2:55 AM PST | Freeze Warning | PSR | 29 hr |
| Feb 19, 1:30 PM PST | Winter Storm Warning | SGX | 60 hr |
| Feb 21, 1:45 PM PST | Freeze Warning | SGX | 19 hr |
| Feb 22, 5:46 PM PST | Frost Advisory | SGX | 15 hr |
| Mar 1, 12:52 PM PST | Wind Advisory | PSR | 40 hr |
| Mar 1, 3:03 PM PST | Wind Advisory | SGX | 33 hr |
| Mar 5, 1:19 PM PST | Wind Advisory | SGX | 3 days |
| Mar 5, 1:19 PM PST | Winter Weather Advisory | SGX | 36 hr |
| Mar 6, 9:28 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Mar 7, 1:33 PM PST | Winter Weather Advisory | SGX | 24 hr |
| Mar 7, 8:34 PM PST | Wind Advisory | PSR | 23 hr |
| Mar 9, 2:35 PM PST | Winter Weather Advisory | SGX | 23 hr |
| Mar 10, 2:09 PM PDT | Winter Storm Warning | SGX | 13 hr |
| Mar 11, 3:12 AM PDT | Winter Weather Advisory | SGX | 11 hr |
| Mar 11, 2:09 PM PDT | Winter Storm Warning | SGX | 22 hr |
| Mar 12, 3:40 AM PDT | Wind Advisory | SGX | 28 hr |
| Mar 12, 5:19 PM PDT | Wind Advisory | PSR | 25 hr |
| Mar 13, 1:33 PM PDT | Wind Advisory | SGX | 71 hr |
| Mar 19, 1:21 PM PDT | Winter Weather Advisory | SGX | 55 hr |
| Apr 1, 1:17 PM PDT | Wind Advisory | SGX | 46 hr |
| Apr 1, 2:58 PM PDT | Wind Advisory | PSR | 39 hr |
| Apr 8, 2:21 AM PDT | Wind Advisory | PSR | 65 hr |
| Apr 8, 1:55 PM PDT | High Wind Warning | SGX | 43 hr |
| Apr 8, 1:55 PM PDT | Wind Advisory | SGX | 36 hr |
| Apr 9, 2:54 AM PDT | High Wind Warning | PSR | 26 hr |
| Apr 9, 2:54 AM PDT | Wind Advisory | PSR | 33 hr |
| Apr 9, 6:28 PM PDT | Blowing Dust Advisory | PSR | 3 hr |
| Apr 14, 2:10 PM PDT | Wind Advisory | SGX | 55 hr |
| Apr 15, 2:17 AM PDT | Wind Advisory | PSR | 48 hr |
| Apr 19, 12:06 PM PDT | Wind Advisory | SGX | 45 hr |
| Apr 19, 1:12 PM PDT | Wind Advisory | PSR | 41 hr |
| Apr 28, 2:29 PM PDT | Wind Advisory | SGX | 33 hr |
| Apr 30, 4:40 AM PDT | Wind Advisory | SGX | 19 hr |
| May 14, 1:51 PM PDT | Wind Advisory | SGX | 69 hr |
| May 14, 4:22 PM PDT | Wind Advisory | PSR | 67 hr |
| May 16, 3:39 PM PDT | Blowing Dust Advisory | PSR | 4 hr |
| May 18, 3:52 AM PDT | Wind Advisory | PSR | 4 days |
| May 18, 2:02 PM PDT | Wind Advisory | SGX | 3 days |
| May 18, 2:03 PM PDT | Winter Weather Advisory | SGX | 37 hr |
| May 20, 2:22 PM PDT | Wind Advisory | PSR | 55 hr |
| May 21, 1:08 PM PDT | Winter Weather Advisory | SGX | 35 hr |
| May 22, 12:58 AM PDT | Wind Advisory | PSR | 20 hr |
| May 22, 3:11 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| May 25, 1:34 AM PDT | Wind Advisory | PSR | 51 hr |
| May 25, 2:43 AM PDT | Winter Weather Advisory | SGX | 48 hr |
| May 25, 3:00 AM PDT | Wind Advisory | SGX | 47 hr |
| May 27, 2:43 AM PDT | Wind Advisory | SGX | 16 hr |
| Jun 7, 3:31 AM PDT | Excessive Heat Watch | PSR | 71 hr |
| Jun 9, 2:10 PM PDT | Excessive Heat Watch | SGX | 12 hr |
| Jun 10, 2:09 AM PDT | Excessive Heat Warning | SGX | 66 hr |
| Jun 10, 2:10 AM PDT | Excessive Heat Warning | PSR | 4 days |
| Jun 10, 7:57 PM PDT | Heat Advisory | SGX | 24 hr |
| Jun 19, 2:45 PM PDT | Wind Advisory | SGX | 54 hr |
| Jun 20, 1:15 AM PDT | Wind Advisory | PSR | 49 hr |
| Jul 9, 1:19 PM PDT | Excessive Heat Warning | PSR | 7 days |
| Jul 11, 1:26 PM PDT | Excessive Heat Warning | SGX | 4 days |
| Jul 11, 1:26 PM PDT | Heat Advisory | SGX | 4 days |
| Jul 22, 2:40 PM PDT | Special Weather Statement | PSR | 50 min |
| Jul 22, 2:53 PM PDT | Severe Thunderstorm Warning | PSR | 37 min |
| Jul 23, 12:30 AM PDT | Dust Storm Advisory | PSR | 60 min |
| Jul 23, 1:31 PM PDT | Special Weather Statement | PSR | 44 min |
| Jul 23, 2:19 PM PDT | Special Weather Statement | PSR | 41 min |
| Jul 23, 2:30 PM PDT | Special Weather Statement | PSR | 45 min |
| Jul 23, 2:36 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Jul 23, 3:02 PM PDT | Special Weather Statement | PSR | 43 min |
| Jul 23, 3:09 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Jul 23, 3:16 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Jul 23, 3:35 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Jul 23, 4:17 PM PDT | Flash Flood Warning | SGX | 2 hr |
| Jul 23, 5:03 PM PDT | Severe Thunderstorm Warning | SGX | 57 min |
| Jul 23, 5:16 PM PDT | Flash Flood Warning | SGX | 77 min |
| Jul 23, 5:59 PM PDT | Areal Flood Advisory | SGX | 95 min |
| Jul 24, 3:35 AM PDT | Heat Advisory | SGX | 16 hr |
| Jul 24, 11:58 AM PDT | Flash Flood Watch | PSR | 8 hr |
| Jul 24, 1:52 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Jul 24, 11:46 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Jul 25, 2:20 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Jul 25, 4:40 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Jul 27, 2:13 PM PDT | Excessive Heat Warning | PSR | 30 hr |
| Aug 2, 12:55 PM PDT | Excessive Heat Warning | PSR | 3 days |
| Aug 2, 1:40 PM PDT | Excessive Heat Warning | SGX | 3 days |
| Aug 2, 1:40 PM PDT | Heat Advisory | SGX | 3 days |
| Aug 11, 2:45 AM PDT | Excessive Heat Watch | PSR | 36 hr |
| Aug 11, 8:08 PM PDT | Excessive Heat Watch | SGX | 18 hr |
| Aug 12, 2:17 PM PDT | Excessive Heat Warning | PSR | 4 days |
| Aug 12, 2:26 PM PDT | Excessive Heat Warning | SGX | 3 days |
| Aug 12, 2:26 PM PDT | Heat Advisory | SGX | 3 days |
| Aug 16, 1:06 PM PDT | Excessive Heat Warning | PSR | 5 days |
| Aug 17, 2:16 AM PDT | Excessive Heat Watch | SGX | 48 hr |
| Aug 19, 2:24 AM PDT | Excessive Heat Warning | SGX | 66 hr |
| Aug 27, 2:16 PM PDT | Excessive Heat Warning | PSR | 4 days |
| Aug 28, 12:53 PM PDT | Excessive Heat Watch | SGX | 20 hr |
| Aug 29, 9:09 AM PDT | Excessive Heat Warning | SGX | 3 days |
| Aug 30, 1:34 PM PDT | Heat Advisory | SGX | 54 hr |
| Sep 1, 9:34 PM PDT | Severe Thunderstorm Warning | PSR | 41 min |
| Sep 1, 10:12 PM PDT | Severe Thunderstorm Warning | PSR | 48 min |
| Sep 1, 11:05 PM PDT | Dust Storm Advisory | PSR | 25 min |
| Sep 1, 11:10 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 1, 11:50 PM PDT | Dust Storm Advisory | PSR | 85 min |
| Sep 2, 12:22 AM PDT | Special Weather Statement | PSR | 38 min |
| Sep 2, 1:35 AM PDT | Flash Flood Warning | SGX | 3 hr |
| Sep 2, 2:22 AM PDT | Flash Flood Watch | SGX | 18 hr |
| Sep 2, 3:38 AM PDT | Flash Flood Warning | PSR | 6 hr |
| Sep 2, 1:38 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Sep 2, 2:25 PM PDT | Severe Thunderstorm Warning | SGX | 65 min |
| Sep 2, 2:38 PM PDT | Flash Flood Warning | SGX | 3 hr |
| Sep 3, 3:08 AM PDT | Excessive Heat Warning | PSR | 41 hr |
| Sep 3, 1:10 PM PDT | Heat Advisory | SGX | 55 hr |
| Sep 3, 3:58 PM PDT | Areal Flood Advisory | SGX | 3 hr |
| Sep 4, 2:52 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 4, 3:03 PM PDT | Special Weather Statement | PSR | 42 min |
| Sep 4, 3:11 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 4, 3:18 PM PDT | Flash Flood Warning | SGX | 65 min |
| Sep 4, 3:19 PM PDT | Severe Thunderstorm Warning | SGX | 56 min |
| Sep 4, 3:57 PM PDT | Special Weather Statement | PSR | 48 min |
| Sep 4, 4:42 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 4, 6:37 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 4, 10:24 PM PDT | Special Weather Statement | PSR | 51 min |
| Sep 5, 4:23 AM PDT | Flash Flood Watch | SGX | 15 hr |
| Sep 7, 1:16 PM PDT | Wind Advisory | SGX | 19 hr |
| Sep 23, 11:17 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 23, 11:35 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 24, 12:30 AM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 24, 2:25 PM PDT | Flash Flood Watch | PSR | 51 hr |
| Sep 25, 7:49 PM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 26, 4:43 AM PDT | Areal Flood Advisory | PSR | 3 hr |
| Sep 26, 11:42 AM PDT | Special Weather Statement | PSR | 48 min |
| Sep 26, 12:29 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 26, 12:30 PM PDT | Special Weather Statement | PSR | 45 min |
| Sep 26, 1:17 PM PDT | Special Weather Statement | PSR | 43 min |
| Sep 26, 2:23 PM PDT | Severe Thunderstorm Warning | PSR | 37 min |
| Sep 26, 3:03 PM PDT | Flash Flood Warning | PSR | 4 hr |
| Sep 28, 1:23 AM PDT | Wind Advisory | SGX | 31 hr |
| Sep 28, 1:46 AM PDT | Wind Advisory | PSR | 30 hr |
| Oct 7, 1:47 PM PDT | Fire Weather Watch | SGX | 24 hr |
| Oct 8, 2:56 AM PDT | Wind Advisory | PSR | 68 hr |
| Oct 8, 3:01 AM PDT | Fire Weather Watch | PSR | 25 hr |
| Oct 8, 1:42 PM PDT | Red Flag Warning | SGX | 3 days |
| Oct 9, 3:42 AM PDT | Red Flag Warning | PSR | 43 hr |
| Oct 21, 3:04 PM PDT | Fire Weather Watch | SGX | 22 hr |
| Oct 22, 1:11 PM PDT | Red Flag Warning | SGX | 3 days |
| Oct 23, 3:42 AM PDT | Red Flag Warning | PSR | 40 hr |
| Oct 23, 3:24 PM PDT | High Wind Warning | SGX | 47 hr |
| Oct 24, 10:16 AM PDT | Blowing Dust Advisory | PSR | 7 hr |
| Oct 25, 2:17 PM PDT | Fire Weather Watch | SGX | 43 hr |
| Oct 26, 11:29 AM PDT | High Wind Watch | SGX | 16 hr |
| Oct 26, 11:29 AM PDT | Wind Advisory | SGX | 31 hr |
| Oct 26, 1:19 PM PDT | Red Flag Warning | SGX | 53 hr |
| Oct 26, 1:48 PM PDT | Wind Advisory | PSR | 44 hr |
| Oct 27, 3:46 AM PDT | High Wind Warning | SGX | 32 hr |
| Oct 27, 1:00 PM PDT | Fire Weather Watch | SGX | 25 hr |
| Oct 28, 10:29 AM PDT | Red Flag Warning | PSR | 55 hr |
| Oct 28, 1:45 PM PDT | Red Flag Warning | SGX | 3 days |
| Oct 28, 2:05 PM PDT | High Wind Watch | SGX | 19 hr |
| Oct 28, 2:12 PM PDT | Wind Advisory | PSR | 48 hr |
| Oct 29, 9:05 AM PDT | Freeze Warning | SGX | 72 hr |
| Oct 29, 9:05 AM PDT | High Wind Warning | SGX | 51 hr |
| Oct 30, 12:14 AM PDT | Dust Storm Advisory | PSR | 2 hr |
| Nov 7, 3:41 AM PST | Dense Fog Advisory | SGX | 4 hr |
| Nov 7, 8:03 AM PST | Dense Fog Advisory | SGX | 117 min |
| Nov 16, 9:28 AM PST | Red Flag Warning | SGX | 33 hr |
| Nov 18, 11:59 AM PST | Flash Flood Watch | PSR | 58 hr |
| Nov 18, 1:40 PM PST | Flash Flood Watch | SGX | 59 hr |
| Nov 18, 1:40 PM PST | Winter Storm Watch | SGX | 21 hr |
| Nov 19, 10:40 AM PST | Winter Storm Warning | SGX | 40 hr |
| Nov 19, 5:07 PM PST | Areal Flood Advisory | SGX | 3 hr |
| Nov 19, 5:14 PM PST | Areal Flood Advisory | PSR | 3 hr |
| Nov 19, 7:07 PM PST | Areal Flood Advisory | PSR | 3 hr |
| Nov 19, 8:07 PM PST | Flash Flood Warning | PSR | 4 hr |
| Nov 19, 8:20 PM PST | Flash Flood Warning | PSR | 4 hr |
| Nov 19, 9:10 PM PST | Areal Flood Advisory | PSR | 3 hr |
| Nov 19, 9:50 PM PST | Areal Flood Advisory | PSR | 4 hr |
| Nov 19, 11:09 PM PST | Flash Flood Warning | PSR | 5 hr |
| Nov 19, 11:17 PM PST | Flash Flood Warning | PSR | 4 hr |
| Nov 20, 12:12 PM PST | Areal Flood Advisory | SGX | 6 hr |
| Nov 21, 2:52 AM PST | Winter Weather Advisory | SGX | 9 hr |
| Nov 24, 1:40 PM PST | Winter Storm Watch | SGX | 24 hr |
| Nov 24, 1:50 PM PST | Flash Flood Watch | SGX | 4 days |
| Nov 25, 2:15 AM PST | High Wind Warning | SGX | 17 hr |
| Nov 25, 2:15 AM PST | Wind Advisory | SGX | 17 hr |
| Nov 25, 4:22 AM PST | Wind Advisory | PSR | 26 hr |
| Nov 25, 1:16 PM PST | Winter Storm Warning | SGX | 4 days |
| Nov 25, 8:07 PM PST | Wind Advisory | SGX | 11 hr |
| Nov 26, 1:07 PM PST | Flash Flood Watch | PSR | 3 days |
| Nov 27, 3:02 AM PST | Wind Advisory | PSR | 60 hr |
| Nov 27, 7:36 PM PST | Wind Advisory | SGX | 19 hr |
| Nov 28, 10:07 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Nov 28, 11:27 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Nov 28, 1:19 PM PST | Winter Weather Advisory | SGX | 14 hr |
| Nov 28, 3:17 PM PST | Areal Flood Advisory | PSR | 4 hr |
| Nov 28, 3:41 PM PST | Flash Flood Warning | PSR | 4 hr |
| Nov 28, 3:51 PM PST | Areal Flood Advisory | PSR | 4 hr |
| Nov 28, 4:45 PM PST | Severe Thunderstorm Warning | PSR | 30 min |
| Nov 28, 4:51 PM PST | Severe Thunderstorm Warning | PSR | 24 min |
| Nov 28, 5:15 PM PST | Severe Thunderstorm Warning | PSR | 45 min |
| Nov 28, 5:16 PM PST | Severe Thunderstorm Warning | PSR | 44 min |
| Nov 28, 5:22 PM PST | Areal Flood Advisory | PSR | 3 hr |
| Nov 28, 6:30 PM PST | Areal Flood Advisory | PSR | 4 hr |
| Nov 28, 6:52 PM PST | Flash Flood Warning | PSR | 8 hr |
| Dec 3, 1:07 PM PST | Flash Flood Watch | SGX | 29 hr |
| Dec 4, 7:55 AM PST | Areal Flood Advisory | SGX | 6 hr |
| Dec 4, 8:37 AM PST | Areal Flood Advisory | SGX | 6 hr |
| Dec 4, 10:21 AM PST | Areal Flood Advisory | SGX | 6 hr |
| Dec 4, 11:37 AM PST | Areal Flood Advisory | PSR | 4 hr |
| Dec 5, 4:05 AM PST | Dense Fog Advisory | PSR | 4 hr |
| Dec 13, 1:35 PM PST | Wind Advisory | SGX | 44 hr |
| Dec 15, 1:58 PM PST | Wind Advisory | SGX | 61 hr |
| Dec 16, 2:52 PM PST | High Wind Warning | SGX | 31 hr |
| Dec 23, 3:47 AM PST | Areal Flood Advisory | SGX | 6 hr |
| Dec 23, 6:16 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Dec 24, 3:52 AM PST | Winter Storm Watch | SGX | 24 hr |
| Dec 25, 3:04 AM PST | Flash Flood Watch | PSR | 42 hr |
| Dec 25, 3:11 AM PST | Wind Advisory | SGX | 29 hr |
| Dec 25, 3:36 AM PST | Winter Storm Warning | SGX | 47 hr |
| Dec 25, 10:42 PM PST | Areal Flood Advisory | SGX | 7 hr |
| Dec 26, 3:07 AM PST | Areal Flood Advisory | SGX | 4 hr |
| Dec 26, 7:07 AM PST | Areal Flood Advisory | SGX | 3 hr |
| Dec 26, 8:35 AM PST | Flash Flood Warning | PSR | 3 hr |
| Dec 27, 12:57 PM PST | Winter Storm Watch | SGX | 48 hr |
| Dec 29, 12:53 PM PST | Winter Weather Advisory | SGX | 25 hr |
| Dec 30, 10:52 AM PST | Wind Advisory | SGX | 29 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 | 11 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 36 |
| Flash Flood Watch | 15 |
| Flood Watch | 1 |
| Areal Flood Advisory | 51 |
| Winter | |
| Winter Storm Warning | 9 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 18 |
| Heat | |
| Excessive Heat Warning | 14 |
| Excessive Heat Watch | 6 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 1 |
| Frost Advisory | 8 |
| Wind and dust | |
| High Wind Warning | 9 |
| High Wind Watch | 4 |
| Blowing Dust Advisory | 3 |
| Dust Storm Advisory | 4 |
| Wind Advisory | 58 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.