Alert archive / Florida / Palm Beach County
Weather alerts in Palm Beach County, Florida, 2023
496 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Palm Beach County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 496
- Warnings
- 53
- Watches
- 14
- Advisories
- 133
- Busiest month
- June123 alerts
- Busiest day
- May 24, 202314 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 5 tornado warnings covering Palm Beach County in 2023 had a tornado report inside them; 3 of 5 tornado reports fell inside a warning, on average 7 minutes after it went out.
Palm Beach County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 5 | 60% | 7 min |
| Severe thunderstorm warnings | 42 | 11 | 74% | 23 | 74% | 10 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Miami, FL: tornado warnings | 22 | 3 | 86% | 12 | 42% | 9 min |
| NWS Miami, FL: severe thunderstorm warnings | 110 | 30 | 73% | 66 | 71% | 14 min |
| NWS Miami, FL: flash flood warnings | 25 | 9 | 64% | 19 | 68% | 76 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 2:54 AM EST | Dense Fog Advisory | MFL | 6 hr |
| Jan 2, 2:17 AM EST | Dense Fog Advisory | MFL | 7 hr |
| Jan 3, 1:50 AM EST | Rip Current Statement | MFL | 17 hr |
| Jan 12, 5:37 PM EST | Rip Current Statement | MFL | 7 days |
| Jan 13, 11:25 AM EST | Wind Chill Advisory | MFL | 22 hr |
| Jan 14, 3:02 AM EST | Frost Advisory | MFL | 30 hr |
| Jan 14, 8:53 AM EST | Fire Weather Watch | MFL | 8 hr |
| Jan 15, 2:30 AM EST | Frost Advisory | MFL | 30 hr |
| Jan 15, 2:37 AM EST | Fire Weather Watch | MFL | 6 hr |
| Jan 21, 8:08 PM EST | Rip Current Statement | MFL | 23 hr |
| Jan 23, 3:18 PM EST | Rip Current Statement | MFL | 52 hr |
| Jan 26, 2:18 PM EST | Rip Current Statement | MFL | 4 days |
| Feb 2, 3:02 PM EST | Rip Current Statement | MFL | 8 days |
| Feb 3, 2:53 PM EST | High Surf Advisory | MFL | 52 hr |
| Feb 4, 2:16 AM EST | Wind Advisory | MFL | 17 hr |
| Feb 10, 7:35 PM EST | Rip Current Statement | MFL | 71 hr |
| Feb 15, 3:05 AM EST | Rip Current Statement | MFL | 39 hr |
| Feb 16, 6:32 PM EST | Rip Current Statement | MFL | 23 hr |
| Feb 18, 4:06 AM EST | Rip Current Statement | MFL | 63 hr |
| Mar 1, 6:18 AM EST | Dense Fog Advisory | MFL | 3 hr |
| Mar 2, 3:21 PM EST | Rip Current Statement | MFL | 64 hr |
| Mar 5, 4:23 AM EST | Dense Fog Advisory | MFL | 4 hr |
| Mar 8, 2:46 AM EST | Rip Current Statement | MFL | 12 days |
| Mar 13, 7:15 PM EDT | Severe Thunderstorm Warning | MFL | 30 min |
| Mar 20, 1:46 AM EDT | Rip Current Statement | MFL | 6 days |
| Mar 30, 2:59 AM EDT | Rip Current Statement | MFL | 65 hr |
| Apr 2, 5:18 AM EDT | Dense Fog Advisory | MFL | 4 hr |
| Apr 4, 3:34 PM EDT | Rip Current Statement | MFL | 3 days |
| Apr 9, 3:29 AM EDT | Rip Current Statement | MFL | 5 days |
| Apr 9, 7:15 PM EDT | High Surf Advisory | MFL | 67 hr |
| Apr 10, 10:29 AM EDT | Wind Advisory | MFL | 10 hr |
| Apr 11, 9:11 AM EDT | Wind Advisory | MFL | 11 hr |
| Apr 13, 3:10 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Apr 13, 3:18 PM EDT | Severe Thunderstorm Warning | MFL | 27 min |
| Apr 13, 3:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 13, 3:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Apr 13, 4:15 PM EDT | Severe Thunderstorm Warning | MFL | 30 min |
| Apr 13, 4:16 PM EDT | Special Weather Statement | MFL | 29 min |
| Apr 16, 2:40 PM EDT | Mesoscale Discussion | SPC | 80 min |
| Apr 16, 5:14 PM EDT | Special Weather Statement | MFL | 31 min |
| Apr 16, 5:22 PM EDT | Severe Thunderstorm Warning | MFL | 23 min |
| Apr 16, 5:41 PM EDT | Severe Thunderstorm Warning | MFL | 34 min |
| Apr 16, 6:15 PM EDT | Special Weather Statement | MFL | 30 min |
| Apr 16, 6:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Apr 16, 7:28 PM EDT | Special Weather Statement | MFL | 32 min |
| Apr 16, 8:00 PM EDT | Special Weather Statement | MFL | 30 min |
| Apr 16, 8:20 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Apr 16, 8:34 PM EDT | Flash Flood Warning | MFL | 3 hr |
| Apr 17, 11:09 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 17, 1:23 PM EDT | Tornado Warning | MFL | 37 min |
| Apr 17, 1:41 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Apr 17, 6:09 PM EDT | Special Weather Statement | MFL | 36 min |
| Apr 18, 12:48 PM EDT | Coastal Flood Statement | MFL | 16 hr |
| Apr 18, 1:08 PM EDT | Rip Current Statement | MFL | 3 days |
| Apr 24, 12:15 PM EDT | Areal Flood Advisory | MFL | 107 min |
| Apr 24, 12:28 PM EDT | Special Weather Statement | MFL | 47 min |
| Apr 24, 12:48 PM EDT | Special Weather Statement | MFL | 27 min |
| Apr 24, 1:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 4:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 6:25 PM EDT | Special Weather Statement | MFL | 35 min |
| Apr 24, 6:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 24, 7:49 PM EDT | Special Weather Statement | MFL | 41 min |
| Apr 24, 8:48 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Apr 24, 9:28 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Apr 24, 10:43 PM EDT | Special Weather Statement | MFL | 32 min |
| Apr 25, 7:15 PM EDT | Special Weather Statement | MFL | 45 min |
| Apr 25, 8:01 PM EDT | Special Weather Statement | MFL | 44 min |
| Apr 26, 1:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 26, 3:33 PM EDT | Severe Thunderstorm Warning | MFL | 27 min |
| Apr 26, 3:57 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Apr 26, 3:59 PM EDT | Severe Thunderstorm Warning | MFL | 31 min |
| Apr 26, 4:26 PM EDT | Special Weather Statement | MFL | 34 min |
| Apr 26, 4:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Apr 26, 8:02 PM EDT | Special Weather Statement | MFL | 28 min |
| Apr 26, 8:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Apr 26, 9:18 PM EDT | Special Weather Statement | MFL | 27 min |
| Apr 26, 9:51 PM EDT | Special Weather Statement | MFL | 24 min |
| Apr 27, 2:39 AM EDT | Rip Current Statement | MFL | 41 hr |
| Apr 28, 12:56 AM EDT | Special Weather Statement | MFL | 64 min |
| Apr 28, 5:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Apr 28, 5:59 PM EDT | Special Weather Statement | MFL | 46 min |
| Apr 28, 6:12 PM EDT | Special Weather Statement | MFL | 33 min |
| Apr 28, 6:17 PM EDT | Severe Thunderstorm Warning | MFL | 13 min |
| Apr 29, 8:37 AM EDT | Wind Advisory | MFL | 35 hr |
| Apr 29, 3:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 29, 3:21 PM EDT | Special Weather Statement | MFL | 24 min |
| Apr 29, 3:48 PM EDT | Special Weather Statement | MFL | 27 min |
| Apr 29, 4:40 PM EDT | Severe Thunderstorm Warning | MFL | 20 min |
| Apr 29, 4:59 PM EDT | Severe Thunderstorm Warning | MFL | 16 min |
| Apr 29, 5:12 PM EDT | Tornado Warning | MFL | 18 min |
| Apr 29, 7:06 PM EDT | Special Weather Statement | MFL | 24 min |
| Apr 30, 4:32 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Apr 30, 5:03 AM EDT | Tornado Watch | SPC | 7 hr |
| Apr 30, 7:16 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 30, 8:06 AM EDT | Severe Thunderstorm Warning | MFL | 24 min |
| Apr 30, 8:31 AM EDT | Severe Thunderstorm Warning | MFL | 44 min |
| Apr 30, 9:11 AM EDT | Severe Thunderstorm Warning | MFL | 49 min |
| Apr 30, 9:19 AM EDT | Tornado Warning | MFL | 26 min |
| Apr 30, 9:31 AM EDT | Tornado Warning | MFL | 28 min |
| Apr 30, 10:00 AM EDT | Special Weather Statement | MFL | 30 min |
| May 5, 2:08 AM EDT | Rip Current Statement | MFL | 5 days |
| May 12, 2:11 AM EDT | Rip Current Statement | MFL | 71 hr |
| May 17, 4:42 PM EDT | Special Weather Statement | MFL | 33 min |
| May 17, 5:15 PM EDT | Severe Thunderstorm Warning | MFL | 30 min |
| May 18, 4:11 PM EDT | Special Weather Statement | MFL | 49 min |
| May 18, 5:57 PM EDT | Special Weather Statement | MFL | 48 min |
| May 18, 6:09 PM EDT | Severe Thunderstorm Warning | MFL | 51 min |
| May 19, 2:59 PM EDT | Special Weather Statement | MFL | 31 min |
| May 19, 3:13 PM EDT | Special Weather Statement | MFL | 32 min |
| May 19, 3:36 PM EDT | Severe Thunderstorm Warning | MFL | 24 min |
| May 19, 3:53 PM EDT | Special Weather Statement | MFL | 37 min |
| May 20, 3:13 AM EDT | Rip Current Statement | MFL | 51 hr |
| May 23, 2:52 PM EDT | Special Weather Statement | MFL | 23 min |
| May 23, 3:28 PM EDT | Areal Flood Advisory | MFL | 80 min |
| May 24, 1:26 PM EDT | Flood Watch | MFL | 7 hr |
| May 24, 1:26 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| May 24, 1:48 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 2:03 PM EDT | Severe Thunderstorm Warning | MFL | 27 min |
| May 24, 3:33 PM EDT | Special Weather Statement | MFL | 42 min |
| May 24, 3:50 PM EDT | Severe Thunderstorm Warning | MFL | 40 min |
| May 24, 4:06 PM EDT | Areal Flood Advisory | MFL | 114 min |
| May 24, 4:32 PM EDT | Special Weather Statement | MFL | 43 min |
| May 24, 4:39 PM EDT | Special Weather Statement | MFL | 51 min |
| May 24, 4:43 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| May 24, 4:46 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| May 24, 4:46 PM EDT | Special Weather Statement | MFL | 29 min |
| May 24, 4:59 PM EDT | Severe Thunderstorm Warning | MFL | 46 min |
| May 24, 5:47 PM EDT | Special Weather Statement | MFL | 58 min |
| May 25, 3:06 PM EDT | Special Weather Statement | MFL | 39 min |
| May 25, 3:28 PM EDT | Severe Thunderstorm Warning | MFL | 32 min |
| May 25, 3:37 PM EDT | Tornado Warning | MFL | 23 min |
| May 25, 4:00 PM EDT | Special Weather Statement | MFL | 45 min |
| May 25, 4:06 PM EDT | Areal Flood Advisory | MFL | 114 min |
| May 25, 4:19 PM EDT | Severe Thunderstorm Warning | MFL | 26 min |
| May 25, 4:45 PM EDT | Special Weather Statement | MFL | 30 min |
| May 26, 4:35 AM EDT | Rip Current Statement | MFL | 4 days |
| May 26, 12:20 PM EDT | Flood Watch | MFL | 8 hr |
| May 26, 2:56 PM EDT | Special Weather Statement | MFL | 34 min |
| May 26, 3:24 PM EDT | Special Weather Statement | MFL | 36 min |
| May 26, 3:33 PM EDT | Special Weather Statement | MFL | 27 min |
| May 26, 3:52 PM EDT | Special Weather Statement | MFL | 23 min |
| May 26, 3:54 PM EDT | Special Weather Statement | MFL | 51 min |
| May 26, 4:01 PM EDT | Special Weather Statement | MFL | 29 min |
| May 26, 4:11 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| May 26, 4:24 PM EDT | Special Weather Statement | MFL | 36 min |
| May 26, 4:27 PM EDT | Special Weather Statement | MFL | 33 min |
| May 26, 4:38 PM EDT | Special Weather Statement | MFL | 52 min |
| May 31, 11:41 AM EDT | Flood Watch | MFL | 4 days |
| May 31, 2:53 PM EDT | Special Weather Statement | MFL | 37 min |
| May 31, 9:11 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 1, 3:54 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 1, 4:14 PM EDT | Special Weather Statement | MFL | 31 min |
| Jun 1, 4:37 PM EDT | Special Weather Statement | MFL | 38 min |
| Jun 1, 4:44 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 1, 4:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 1, 5:17 PM EDT | Special Weather Statement | MFL | 43 min |
| Jun 2, 1:47 PM EDT | Special Weather Statement | MFL | 28 min |
| Jun 2, 3:47 PM EDT | Areal Flood Advisory | MFL | 118 min |
| Jun 3, 1:00 PM EDT | Special Weather Statement | MFL | 45 min |
| Jun 3, 1:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 3, 1:44 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Jun 3, 1:56 PM EDT | Severe Thunderstorm Warning | MFL | 64 min |
| Jun 3, 2:00 PM EDT | Severe Thunderstorm Warning | MFL | 49 min |
| Jun 3, 2:06 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 3, 2:33 PM EDT | Flash Flood Warning | MFL | 57 min |
| Jun 3, 2:48 PM EDT | Special Weather Statement | MFL | 42 min |
| Jun 4, 2:45 AM EDT | Coastal Flood Statement | MFL | 3 days |
| Jun 4, 10:06 PM EDT | Severe Thunderstorm Warning | MFL | 24 min |
| Jun 6, 3:56 AM EDT | Rip Current Statement | MFL | 40 hr |
| Jun 7, 12:40 PM EDT | Coastal Flood Statement | MFL | 16 hr |
| Jun 7, 1:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 6:03 PM EDT | Special Weather Statement | MFL | 27 min |
| Jun 7, 6:47 PM EDT | Special Weather Statement | MFL | 28 min |
| Jun 8, 12:36 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 8, 5:18 PM EDT | Special Weather Statement | MFL | 27 min |
| Jun 8, 5:41 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 8, 7:03 PM EDT | Special Weather Statement | MFL | 27 min |
| Jun 9, 12:57 PM EDT | Special Weather Statement | MFL | 33 min |
| Jun 9, 1:26 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 9, 1:59 PM EDT | Special Weather Statement | MFL | 31 min |
| Jun 9, 2:04 PM EDT | Special Weather Statement | MFL | 41 min |
| Jun 9, 4:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 9, 5:24 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 10, 5:41 PM EDT | Special Weather Statement | MFL | 49 min |
| Jun 10, 7:16 PM EDT | Special Weather Statement | MFL | 44 min |
| Jun 11, 5:46 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 11, 6:33 PM EDT | Special Weather Statement | MFL | 42 min |
| Jun 11, 6:53 PM EDT | Areal Flood Advisory | MFL | 112 min |
| Jun 11, 6:57 PM EDT | Special Weather Statement | MFL | 48 min |
| Jun 11, 7:15 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 11, 7:39 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 11, 7:43 PM EDT | Special Weather Statement | MFL | 32 min |
| Jun 11, 8:10 PM EDT | Special Weather Statement | MFL | 35 min |
| Jun 11, 8:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 12, 12:54 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 12, 1:03 PM EDT | Areal Flood Advisory | MFL | 105 min |
| Jun 12, 1:09 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 12, 1:41 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 12, 2:09 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 13, 2:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 13, 2:56 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 13, 3:05 PM EDT | Special Weather Statement | MFL | 25 min |
| Jun 14, 3:37 AM EDT | Heat Advisory | MFL | 63 hr |
| Jun 14, 6:15 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 14, 6:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 14, 7:15 PM EDT | Special Weather Statement | MFL | 45 min |
| Jun 14, 7:18 PM EDT | Areal Flood Advisory | MFL | 117 min |
| Jun 14, 7:26 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 14, 7:55 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Jun 14, 7:59 PM EDT | Special Weather Statement | MFL | 31 min |
| Jun 15, 6:36 AM EDT | Areal Flood Advisory | MFL | 114 min |
| Jun 16, 3:15 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 16, 3:47 PM EDT | Special Weather Statement | MFL | 13 min |
| Jun 16, 4:07 PM EDT | Special Weather Statement | MFL | 23 min |
| Jun 16, 5:25 PM EDT | Special Weather Statement | MFL | 35 min |
| Jun 16, 6:35 PM EDT | Special Weather Statement | MFL | 25 min |
| Jun 16, 7:00 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 16, 7:06 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 16, 7:26 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 16, 7:51 PM EDT | Special Weather Statement | MFL | 24 min |
| Jun 17, 2:45 AM EDT | Heat Advisory | MFL | 16 hr |
| Jun 17, 11:43 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 17, 12:21 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 17, 1:01 PM EDT | Special Weather Statement | MFL | 29 min |
| Jun 17, 3:54 PM EDT | Special Weather Statement | MFL | 51 min |
| Jun 17, 4:01 PM EDT | Severe Thunderstorm Warning | MFL | 29 min |
| Jun 17, 4:22 PM EDT | Special Weather Statement | MFL | 38 min |
| Jun 17, 4:27 PM EDT | Severe Thunderstorm Warning | MFL | 33 min |
| Jun 17, 4:46 PM EDT | Special Weather Statement | MFL | 29 min |
| Jun 17, 4:52 PM EDT | Severe Thunderstorm Warning | MFL | 23 min |
| Jun 17, 5:14 PM EDT | Special Weather Statement | MFL | 46 min |
| Jun 18, 5:48 AM EDT | Special Weather Statement | MFL | 27 min |
| Jun 18, 6:42 AM EDT | Severe Thunderstorm Warning | MFL | 20 min |
| Jun 18, 5:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 5:04 PM EDT | Severe Thunderstorm Warning | MFL | 26 min |
| Jun 19, 5:10 PM EDT | Areal Flood Advisory | MFL | 36 min |
| Jun 19, 5:51 PM EDT | Special Weather Statement | MFL | 39 min |
| Jun 19, 6:11 PM EDT | Areal Flood Advisory | MFL | 64 min |
| Jun 19, 6:47 PM EDT | Special Weather Statement | MFL | 43 min |
| Jun 20, 2:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 20, 3:09 PM EDT | Special Weather Statement | MFL | 36 min |
| Jun 20, 3:39 PM EDT | Special Weather Statement | MFL | 51 min |
| Jun 20, 3:41 PM EDT | Severe Thunderstorm Warning | MFL | 34 min |
| Jun 20, 4:03 PM EDT | Severe Thunderstorm Warning | MFL | 12 min |
| Jun 20, 4:12 PM EDT | Severe Thunderstorm Warning | MFL | 48 min |
| Jun 20, 4:33 PM EDT | Special Weather Statement | MFL | 27 min |
| Jun 20, 4:56 PM EDT | Areal Flood Advisory | MFL | 109 min |
| Jun 20, 5:02 PM EDT | Special Weather Statement | MFL | 28 min |
| Jun 20, 5:32 PM EDT | Special Weather Statement | MFL | 28 min |
| Jun 20, 5:56 PM EDT | Areal Flood Advisory | MFL | 64 min |
| Jun 20, 6:02 PM EDT | Special Weather Statement | MFL | 28 min |
| Jun 20, 9:49 PM EDT | Special Weather Statement | MFL | 26 min |
| Jun 20, 10:16 PM EDT | Special Weather Statement | MFL | 44 min |
| Jun 21, 7:48 PM EDT | Special Weather Statement | MFL | 27 min |
| Jun 21, 8:23 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 22, 12:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 12:56 PM EDT | Special Weather Statement | MFL | 34 min |
| Jun 23, 4:34 PM EDT | Special Weather Statement | MFL | 26 min |
| Jun 24, 3:31 PM EDT | Severe Thunderstorm Warning | MFL | 29 min |
| Jun 24, 3:34 PM EDT | Special Weather Statement | MFL | 26 min |
| Jun 24, 3:53 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 24, 4:00 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 24, 4:35 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Jun 25, 4:00 PM EDT | Special Weather Statement | MFL | 30 min |
| Jun 25, 4:25 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Jun 25, 4:59 PM EDT | Special Weather Statement | MFL | 46 min |
| Jun 25, 5:17 PM EDT | Areal Flood Advisory | MFL | 118 min |
| Jun 26, 2:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Jun 28, 7:57 PM EDT | Special Weather Statement | MFL | 33 min |
| Jun 28, 8:18 PM EDT | Special Weather Statement | MFL | 42 min |
| Jun 28, 9:18 PM EDT | Special Weather Statement | MFL | 42 min |
| Jun 28, 9:55 PM EDT | Areal Flood Advisory | MFL | 73 min |
| Jul 1, 2:15 PM EDT | Areal Flood Advisory | MFL | 60 min |
| Jul 1, 2:37 PM EDT | Areal Flood Advisory | MFL | 113 min |
| Jul 1, 3:18 PM EDT | Areal Flood Advisory | MFL | 57 min |
| Jul 2, 5:35 PM EDT | Special Weather Statement | MFL | 25 min |
| Jul 3, 3:11 PM EDT | Special Weather Statement | MFL | 34 min |
| Jul 4, 2:24 AM EDT | Heat Advisory | MFL | 17 hr |
| Jul 5, 3:26 AM EDT | Heat Advisory | MFL | 16 hr |
| Jul 6, 3:08 AM EDT | Heat Advisory | MFL | 16 hr |
| Jul 6, 4:18 PM EDT | Special Weather Statement | MFL | 27 min |
| Jul 7, 7:21 AM EDT | Heat Advisory | MFL | 12 hr |
| Jul 7, 2:03 PM EDT | Special Weather Statement | MFL | 42 min |
| Jul 7, 2:50 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Jul 7, 2:54 PM EDT | Special Weather Statement | MFL | 36 min |
| Jul 7, 3:23 PM EDT | Areal Flood Advisory | MFL | 112 min |
| Jul 8, 3:28 AM EDT | Heat Advisory | MFL | 16 hr |
| Jul 8, 1:54 PM EDT | Special Weather Statement | MFL | 36 min |
| Jul 8, 2:28 PM EDT | Special Weather Statement | MFL | 32 min |
| Jul 9, 2:45 AM EDT | Heat Advisory | MFL | 17 days |
| Jul 10, 5:23 PM EDT | Special Weather Statement | MFL | 22 min |
| Jul 12, 6:14 PM EDT | Special Weather Statement | MFL | 31 min |
| Jul 13, 12:23 PM EDT | Special Weather Statement | MFL | 37 min |
| Jul 13, 5:57 PM EDT | Severe Thunderstorm Warning | MFL | 18 min |
| Jul 13, 6:13 PM EDT | Special Weather Statement | MFL | 47 min |
| Jul 13, 7:32 PM EDT | Special Weather Statement | MFL | 28 min |
| Jul 14, 5:20 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Jul 14, 5:45 PM EDT | Areal Flood Advisory | MFL | 60 min |
| Jul 16, 3:55 PM EDT | Special Weather Statement | MFL | 65 min |
| Jul 16, 5:09 PM EDT | Severe Thunderstorm Warning | MFL | 21 min |
| Jul 16, 5:19 PM EDT | Severe Thunderstorm Warning | MFL | 26 min |
| Jul 16, 5:28 PM EDT | Special Weather Statement | MFL | 62 min |
| Jul 17, 4:02 PM EDT | Severe Thunderstorm Warning | MFL | 13 min |
| Jul 18, 1:56 PM EDT | Special Weather Statement | MFL | 34 min |
| Jul 18, 2:33 PM EDT | Special Weather Statement | MFL | 42 min |
| Jul 21, 3:34 PM EDT | Special Weather Statement | MFL | 41 min |
| Jul 21, 3:55 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Jul 21, 4:19 PM EDT | Special Weather Statement | MFL | 26 min |
| Jul 21, 5:20 PM EDT | Special Weather Statement | MFL | 25 min |
| Jul 22, 3:01 PM EDT | Special Weather Statement | MFL | 29 min |
| Jul 22, 3:42 PM EDT | Special Weather Statement | MFL | 33 min |
| Jul 23, 7:20 PM EDT | Special Weather Statement | MFL | 25 min |
| Jul 24, 6:45 PM EDT | Special Weather Statement | MFL | 30 min |
| Jul 24, 7:40 PM EDT | Special Weather Statement | MFL | 35 min |
| Jul 24, 7:52 PM EDT | Special Weather Statement | MFL | 23 min |
| Jul 24, 8:04 PM EDT | Special Weather Statement | MFL | 26 min |
| Jul 24, 8:08 PM EDT | Areal Flood Advisory | MFL | 112 min |
| Jul 24, 8:10 PM EDT | Special Weather Statement | MFL | 35 min |
| Jul 24, 8:32 PM EDT | Special Weather Statement | MFL | 28 min |
| Jul 25, 3:29 PM EDT | Special Weather Statement | MFL | 31 min |
| Jul 26, 1:36 PM EDT | Flood Watch | MFL | 52 hr |
| Jul 26, 6:28 PM EDT | Special Weather Statement | MFL | 32 min |
| Jul 27, 4:33 AM EDT | Areal Flood Advisory | MFL | 117 min |
| Jul 27, 1:58 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Jul 27, 2:20 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Jul 27, 4:05 PM EDT | Areal Flood Advisory | MFL | 55 min |
| Jul 29, 12:27 AM EDT | Heat Advisory | MFL | 44 hr |
| Jul 31, 4:26 AM EDT | Heat Advisory | MFL | 11 hr |
| Jul 31, 1:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 31, 2:13 PM EDT | Special Weather Statement | MFL | 32 min |
| Jul 31, 2:48 PM EDT | Special Weather Statement | MFL | 42 min |
| Jul 31, 2:50 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Jul 31, 3:33 PM EDT | Special Weather Statement | MFL | 27 min |
| Jul 31, 3:46 PM EDT | Areal Flood Advisory | MFL | 119 min |
| Jul 31, 4:01 PM EDT | Special Weather Statement | MFL | 44 min |
| Jul 31, 4:37 PM EDT | Severe Thunderstorm Warning | MFL | 20 min |
| Aug 1, 2:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 1, 2:37 PM EDT | Areal Flood Advisory | MFL | 69 min |
| Aug 1, 3:10 PM EDT | Special Weather Statement | MFL | 35 min |
| Aug 1, 3:22 PM EDT | Areal Flood Advisory | MFL | 79 min |
| Aug 1, 3:28 PM EDT | Special Weather Statement | MFL | 47 min |
| Aug 1, 3:58 PM EDT | Severe Thunderstorm Warning | MFL | 21 min |
| Aug 1, 4:32 PM EDT | Special Weather Statement | MFL | 28 min |
| Aug 3, 8:34 AM EDT | Areal Flood Advisory | MFL | 61 min |
| Aug 3, 2:36 PM EDT | Areal Flood Advisory | MFL | 55 min |
| Aug 4, 3:27 PM EDT | Special Weather Statement | MFL | 48 min |
| Aug 6, 2:00 AM EDT | Heat Advisory | MFL | 57 hr |
| Aug 7, 9:04 PM EDT | Excessive Heat Warning | MFL | 21 hr |
| Aug 8, 2:33 PM EDT | Special Weather Statement | MFL | 42 min |
| Aug 8, 3:38 PM EDT | Areal Flood Advisory | MFL | 112 min |
| Aug 8, 4:22 PM EDT | Special Weather Statement | MFL | 38 min |
| Aug 8, 5:46 PM EDT | Special Weather Statement | MFL | 44 min |
| Aug 8, 5:56 PM EDT | Excessive Heat Watch | MFL | 8 hr |
| Aug 9, 2:21 AM EDT | Excessive Heat Warning | MFL | 41 hr |
| Aug 9, 5:55 PM EDT | Special Weather Statement | MFL | 35 min |
| Aug 9, 6:12 PM EDT | Special Weather Statement | MFL | 48 min |
| Aug 10, 4:08 PM EDT | Special Weather Statement | MFL | 37 min |
| Aug 10, 5:04 PM EDT | Special Weather Statement | MFL | 26 min |
| Aug 10, 5:30 PM EDT | Special Weather Statement | MFL | 30 min |
| Aug 10, 7:16 PM EDT | Heat Advisory | MFL | 24 hr |
| Aug 11, 6:07 PM EDT | Special Weather Statement | MFL | 38 min |
| Aug 11, 6:52 PM EDT | Heat Advisory | MFL | 24 hr |
| Aug 12, 6:50 PM EDT | Heat Advisory | MFL | 3 days |
| Aug 13, 5:05 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Aug 13, 5:45 PM EDT | Areal Flood Advisory | MFL | 94 min |
| Aug 16, 2:33 PM EDT | Special Weather Statement | MFL | 27 min |
| Aug 16, 2:38 PM EDT | Areal Flood Advisory | MFL | 67 min |
| Aug 16, 2:43 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Aug 16, 3:36 PM EDT | Areal Flood Advisory | MFL | 65 min |
| Aug 16, 4:39 PM EDT | Areal Flood Advisory | MFL | 51 min |
| Aug 16, 5:52 PM EDT | Special Weather Statement | MFL | 23 min |
| Aug 16, 6:18 PM EDT | Special Weather Statement | MFL | 42 min |
| Aug 17, 4:12 PM EDT | Special Weather Statement | MFL | 63 min |
| Aug 17, 4:14 PM EDT | Severe Thunderstorm Warning | MFL | 46 min |
| Aug 19, 5:47 PM EDT | Rip Current Statement | MFL | 4 days |
| Aug 24, 2:19 PM EDT | Rip Current Statement | MFL | 30 hr |
| Aug 26, 3:55 AM EDT | Rip Current Statement | MFL | 16 hr |
| Aug 27, 4:58 AM EDT | Rip Current Statement | MFL | 15 hr |
| Aug 28, 3:06 PM EDT | Rip Current Statement | MFL | 11 days |
| Aug 29, 1:45 AM EDT | Heat Advisory | MFL | 17 hr |
| Aug 29, 4:05 PM EDT | Special Weather Statement | MFL | 25 min |
| Aug 29, 5:53 PM EDT | Special Weather Statement | MFL | 52 min |
| Aug 29, 6:10 PM EDT | Severe Thunderstorm Warning | MFL | 35 min |
| Aug 29, 6:35 PM EDT | Special Weather Statement | MFL | 25 min |
| Aug 30, 5:07 AM EDT | Wind Advisory | MFL | 14 hr |
| Aug 30, 1:25 PM EDT | Special Weather Statement | MFL | 35 min |
| Aug 31, 2:56 AM EDT | Heat Advisory | MFL | 16 hr |
| Aug 31, 2:00 PM EDT | Special Weather Statement | MFL | 30 min |
| Aug 31, 2:24 PM EDT | Special Weather Statement | MFL | 51 min |
| Aug 31, 3:07 PM EDT | Special Weather Statement | MFL | 38 min |
| Sep 1, 2:04 PM EDT | Special Weather Statement | MFL | 26 min |
| Sep 1, 2:29 PM EDT | Special Weather Statement | MFL | 31 min |
| Sep 1, 2:35 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Sep 1, 3:01 PM EDT | Special Weather Statement | MFL | 44 min |
| Sep 1, 9:55 PM EDT | Special Weather Statement | MFL | 50 min |
| Sep 1, 11:26 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 8, 5:26 PM EDT | Severe Thunderstorm Warning | MFL | 21 min |
| Sep 9, 2:10 PM EDT | Special Weather Statement | MFL | 35 min |
| Sep 9, 3:35 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Sep 9, 3:42 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 11, 5:33 PM EDT | Special Weather Statement | MFL | 27 min |
| Sep 11, 5:47 PM EDT | Areal Flood Advisory | MFL | 118 min |
| Sep 13, 5:37 PM EDT | Special Weather Statement | MFL | 23 min |
| Sep 15, 2:40 AM EDT | Rip Current Statement | MFL | 26 days |
| Sep 15, 3:29 PM EDT | Areal Flood Advisory | MFL | 87 min |
| Sep 15, 6:01 PM EDT | Areal Flood Advisory | MFL | 110 min |
| Sep 16, 1:23 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 16, 1:39 PM EDT | Special Weather Statement | MFL | 36 min |
| Sep 16, 2:08 PM EDT | Areal Flood Advisory | MFL | 97 min |
| Sep 16, 2:13 PM EDT | Special Weather Statement | MFL | 47 min |
| Sep 16, 2:41 PM EDT | Special Weather Statement | MFL | 49 min |
| Sep 16, 3:01 PM EDT | Special Weather Statement | MFL | 29 min |
| Sep 17, 3:20 PM EDT | Special Weather Statement | MFL | 25 min |
| Sep 17, 3:39 PM EDT | Special Weather Statement | MFL | 36 min |
| Sep 17, 3:59 PM EDT | Areal Flood Advisory | MFL | 61 min |
| Sep 18, 7:38 PM EDT | Special Weather Statement | MFL | 37 min |
| Sep 19, 1:02 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Sep 20, 9:56 PM EDT | Areal Flood Advisory | MFL | 86 min |
| Sep 20, 10:59 PM EDT | Areal Flood Advisory | MFL | 82 min |
| Sep 21, 7:17 PM EDT | Special Weather Statement | MFL | 28 min |
| Sep 23, 3:54 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 23, 4:57 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 24, 12:35 PM EDT | Areal Flood Advisory | MFL | 46 min |
| Sep 25, 1:59 AM EDT | Special Weather Statement | MFL | 46 min |
| Sep 25, 1:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 25, 3:06 PM EDT | Special Weather Statement | MFL | 39 min |
| Sep 25, 3:57 PM EDT | Special Weather Statement | MFL | 33 min |
| Sep 25, 4:24 PM EDT | Special Weather Statement | MFL | 51 min |
| Sep 25, 4:29 PM EDT | Special Weather Statement | MFL | 46 min |
| Sep 25, 4:33 PM EDT | Areal Flood Advisory | MFL | 3 hr |
| Sep 25, 5:06 PM EDT | Special Weather Statement | MFL | 54 min |
| Sep 25, 5:09 PM EDT | Areal Flood Advisory | MFL | 32 min |
| Sep 25, 5:41 PM EDT | Flash Flood Warning | MFL | 3 hr |
| Sep 26, 2:07 AM EDT | Coastal Flood Statement | MFL | 49 hr |
| Sep 26, 12:27 PM EDT | Special Weather Statement | MFL | 48 min |
| Sep 26, 9:44 PM EDT | Special Weather Statement | MFL | 46 min |
| Sep 26, 9:54 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 26, 10:23 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 26, 10:25 PM EDT | Special Weather Statement | MFL | 35 min |
| Sep 27, 2:31 PM EDT | Areal Flood Advisory | MFL | 59 min |
| Sep 28, 3:00 AM EDT | Coastal Flood Advisory | MFL | 7 days |
| Sep 28, 2:10 PM EDT | Areal Flood Advisory | MFL | 97 min |
| Sep 28, 2:16 PM EDT | Special Weather Statement | MFL | 44 min |
| Sep 29, 5:02 PM EDT | Areal Flood Advisory | MFL | 118 min |
| Sep 30, 4:15 PM EDT | Special Weather Statement | MFL | 45 min |
| Sep 30, 4:28 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Sep 30, 5:52 PM EDT | Special Weather Statement | MFL | 23 min |
| Sep 30, 6:35 PM EDT | Areal Flood Advisory | MFL | 115 min |
| Sep 30, 6:46 PM EDT | Areal Flood Advisory | MFL | 2 hr |
| Oct 1, 5:56 AM EDT | Flood Watch | MFL | 14 hr |
| Oct 1, 10:55 AM EDT | Areal Flood Advisory | MFL | 87 min |
| Oct 1, 3:45 PM EDT | Areal Flood Advisory | MFL | 73 min |
| Oct 5, 2:24 AM EDT | Coastal Flood Statement | MFL | 14 hr |
| Oct 11, 3:46 AM EDT | Rip Current Statement | MFL | 64 hr |
| Oct 13, 7:54 AM EDT | Special Weather Statement | MFL | 36 min |
| Oct 15, 4:52 AM EDT | Coastal Flood Statement | MFL | 8 hr |
| Oct 16, 2:42 PM EDT | Coastal Flood Statement | MFL | 22 hr |
| Oct 23, 3:23 PM EDT | Rip Current Statement | MFL | 7 days |
| Oct 24, 3:13 AM EDT | High Surf Advisory | MFL | 65 hr |
| Oct 24, 2:31 PM EDT | Coastal Flood Statement | MFL | 53 hr |
| Oct 27, 2:50 AM EDT | Coastal Flood Statement | MFL | 5 hr |
| Oct 27, 7:45 AM EDT | Coastal Flood Advisory | MFL | 4 days |
| Oct 31, 12:33 PM EDT | Coastal Flood Statement | MFL | 25 hr |
| Oct 31, 1:50 PM EDT | Rip Current Statement | MFL | 6 days |
| Nov 1, 3:07 AM EDT | High Surf Advisory | MFL | 41 hr |
| Nov 1, 3:22 AM EDT | Wind Advisory | MFL | 41 hr |
| Nov 2, 8:13 PM EDT | Wind Advisory | MFL | 24 hr |
| Nov 3, 6:00 AM EDT | High Surf Advisory | MFL | 14 hr |
| Nov 5, 1:05 PM EST | Coastal Flood Statement | MFL | 3 hr |
| Nov 12, 3:35 PM EST | Coastal Flood Statement | MFL | 4 days |
| Nov 12, 3:35 PM EST | Rip Current Statement | MFL | 10 days |
| Nov 14, 1:56 AM EST | High Surf Advisory | MFL | 3 days |
| Nov 14, 2:21 AM EST | Flood Watch | MFL | 52 hr |
| Nov 14, 4:16 PM EST | Areal Flood Advisory | MFL | 2 hr |
| Nov 14, 11:30 PM EST | Wind Advisory | MFL | 44 hr |
| Nov 16, 3:25 AM EST | High Wind Warning | MFL | 5 hr |
| Nov 16, 8:55 AM EST | Coastal Flood Advisory | MFL | 28 hr |
| Nov 17, 12:41 PM EST | Coastal Flood Statement | MFL | 27 hr |
| Nov 25, 12:43 AM EST | Coastal Flood Statement | MFL | 3 days |
| Nov 26, 2:49 AM EST | Rip Current Statement | MFL | 16 hr |
| Dec 3, 8:07 PM EST | Dense Fog Advisory | MFL | 15 hr |
| Dec 6, 1:54 AM EST | Rip Current Statement | MFL | 5 days |
| Dec 11, 12:43 PM EST | Rip Current Statement | MFL | 7 days |
| Dec 12, 2:56 AM EST | Wind Advisory | MFL | 5 days |
| Dec 12, 6:58 PM EST | High Surf Advisory | MFL | 5 days |
| Dec 13, 1:53 AM EST | Flood Watch | MFL | 35 hr |
| Dec 13, 4:58 PM EST | Coastal Flood Statement | MFL | 44 hr |
| Dec 15, 1:18 PM EST | Flood Watch | MFL | 42 hr |
| Dec 15, 1:57 PM EST | Coastal Flood Statement | MFL | 23 hr |
| Dec 16, 10:31 AM EST | Coastal Flood Statement | MFL | 20 hr |
| Dec 16, 8:34 PM EST | Areal Flood Advisory | MFL | 116 min |
| Dec 16, 8:59 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 17, 10:28 AM EST | Coastal Flood Statement | MFL | 21 hr |
| Dec 19, 2:21 AM EST | Rip Current Statement | MFL | 8 days |
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 | 42 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 219 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flood Watch | 8 |
| Areal Flood Advisory | 89 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 16 |
| Cold | |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 9 |
| Fire | |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Coast and beach | |
| Coastal Flood Advisory | 3 |
| High Surf Advisory | 7 |
| Coastal Flood Statement | 18 |
| Rip Current Statement | 37 |
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.