Alert archive / Puerto Rico / 2026
Weather alerts in Puerto Rico, September 2026
121 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
- Alerts
- 121
- Warnings
- 11
- Watches
- 0
- Advisories
- 81
- Busiest day
- September 1, 202618 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 9:39 PM CDT | Areal Flood Advisory | JSJ | 66 min | |
| Aug 31, 10:34 PM CDT | Special Weather Statement | JSJ | 86 min | |
| Aug 31, 10:37 PM CDT | Areal Flood Advisory | JSJ | 57 min | |
| Aug 31, 10:55 PM CDT | Areal Flood Advisory | JSJ | 28 min | |
| Aug 31, 11:21 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 31, 11:34 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Aug 31, 11:59 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 1, 12:12 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 1, 12:52 AM CDT | Areal Flood Advisory | JSJ | 113 min | |
| Sep 1, 2:21 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 1, 2:29 AM CDT | Areal Flood Warning | JSJ | 5 hr | |
| Sep 1, 1:01 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 1, 1:02 PM CDT | Areal Flood Advisory | JSJ | 61 min | |
| Sep 1, 1:06 PM CDT | Special Weather Statement | JSJ | 54 min | |
| Sep 1, 1:19 PM CDT | Areal Flood Advisory | JSJ | 102 min | |
| Sep 1, 1:59 PM CDT | Special Weather Statement | JSJ | 61 min | |
| Sep 1, 3:48 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 1, 4:13 PM CDT | Areal Flood Advisory | JSJ | 47 min | |
| Sep 2, 1:01 AM CDT | Heat Advisory | JSJ | 14 hr | |
| Sep 2, 11:28 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 2, 12:48 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 2, 12:58 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 3, 12:59 AM CDT | Heat Advisory | JSJ | 13 hr | |
| Sep 4, 1:02 AM CDT | Heat Advisory | JSJ | 15 hr | |
| Sep 5, 1:19 AM CDT | Heat Advisory | JSJ | 15 hr | |
| Sep 6, 1:09 AM CDT | Heat Advisory | JSJ | 15 hr | |
| Sep 6, 1:09 AM CDT | Extreme Heat Warning | JSJ | 15 hr | |
| Sep 6, 12:22 PM CDT | Areal Flood Advisory | JSJ | 97 min | |
| Sep 7, 1:39 AM CDT | Heat Advisory | JSJ | 10 hr | |
| Sep 7, 1:39 AM CDT | Extreme Heat Warning | JSJ | 10 hr | |
| Sep 7, 11:18 AM CDT | Areal Flood Advisory | JSJ | 4 hr | |
| Sep 7, 11:49 AM CDT | Special Weather Statement | JSJ | 26 min | |
| Sep 7, 12:01 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 7, 12:16 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 7, 12:19 PM CDT | Areal Flood Advisory | JSJ | 114 min | |
| Sep 7, 12:24 PM CDT | Special Weather Statement | JSJ | 36 min | |
| Sep 7, 12:34 PM CDT | Areal Flood Advisory | JSJ | 116 min | |
| Sep 7, 12:35 PM CDT | Areal Flood Advisory | JSJ | 115 min | |
| Sep 7, 12:41 PM CDT | Areal Flood Advisory | JSJ | 109 min | |
| Sep 7, 1:03 PM CDT | Areal Flood Advisory | JSJ | 108 min | |
| Sep 7, 5:09 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 8, 1:25 AM CDT | Heat Advisory | JSJ | 1 min | |
| Sep 8, 1:29 AM CDT | Heat Advisory | JSJ | 13 hr | |
| Sep 9, 10:14 PM CDT | Special Weather Statement | JSJ | 61 min | |
| Sep 9, 10:57 PM CDT | Special Weather Statement | JSJ | 63 min | |
| Sep 9, 11:07 PM CDT | Areal Flood Advisory | JSJ | 83 min | |
| Sep 9, 11:45 PM CDT | Areal Flood Advisory | JSJ | 90 min | |
| Sep 10, 1:07 AM CDT | Special Weather Statement | JSJ | 83 min | |
| Sep 10, 1:55 AM CDT | Special Weather Statement | JSJ | 35 min | |
| Sep 10, 2:42 AM CDT | Special Weather Statement | JSJ | 78 min | |
| Sep 10, 3:34 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 10, 10:51 AM CDT | Heat Advisory | JSJ | 5 hr | |
| Sep 10, 10:51 AM CDT | Extreme Heat Warning | JSJ | 5 hr | |
| Sep 11, 1:11 AM CDT | Heat Advisory | JSJ | 15 hr | |
| Sep 11, 1:11 AM CDT | Extreme Heat Warning | JSJ | 15 hr | |
| Sep 12, 2:52 AM CDT | Heat Advisory | JSJ | 13 hr | |
| Sep 12, 1:10 PM CDT | Special Marine Warning | JSJ | 35 min | |
| Sep 12, 2:29 PM CDT | Areal Flood Advisory | JSJ | 51 min | |
| Sep 14, 11:55 AM CDT | Areal Flood Advisory | JSJ | 65 min | |
| Sep 14, 12:40 PM CDT | Special Weather Statement | JSJ | 50 min | |
| Sep 15, 12:49 PM CDT | Special Weather Statement | JSJ | 56 min | |
| Sep 15, 1:19 PM CDT | Areal Flood Advisory | JSJ | 83 min | |
| Sep 15, 1:34 PM CDT | Special Marine Warning | JSJ | 56 min | |
| Sep 16, 1:47 PM CDT | Special Weather Statement | JSJ | 43 min | |
| Sep 16, 2:03 PM CDT | Areal Flood Advisory | JSJ | 117 min | |
| Sep 16, 2:31 PM CDT | Special Weather Statement | JSJ | 44 min | |
| Sep 16, 4:18 PM CDT | Areal Flood Advisory | JSJ | 102 min | |
| Sep 16, 5:05 PM CDT | Areal Flood Advisory | JSJ | 85 min | |
| Sep 16, 5:08 PM CDT | Areal Flood Advisory | JSJ | 82 min | |
| Sep 17, 11:51 AM CDT | Special Weather Statement | JSJ | 24 min | |
| Sep 17, 12:07 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 17, 1:44 PM CDT | Special Weather Statement | JSJ | 46 min | |
| Sep 17, 1:54 PM CDT | Special Weather Statement | JSJ | 51 min | |
| Sep 17, 2:17 PM CDT | Areal Flood Advisory | JSJ | 118 min | |
| Sep 17, 2:23 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 17, 2:35 PM CDT | Areal Flood Advisory | JSJ | 115 min | |
| Sep 17, 2:40 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 17, 2:51 PM CDT | Special Weather Statement | JSJ | 54 min | |
| Sep 17, 3:45 PM CDT | Areal Flood Advisory | JSJ | 60 min | |
| Sep 19, 1:33 AM CDT | Heat Advisory | JSJ | 13 hr | |
| Sep 19, 1:59 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 19, 2:04 PM CDT | Special Weather Statement | JSJ | 41 min | |
| Sep 19, 2:31 PM CDT | Areal Flood Advisory | JSJ | 19 min | |
| Sep 19, 2:50 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 19, 3:14 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 19, 3:35 PM CDT | Areal Flood Advisory | JSJ | 55 min | |
| Sep 20, 12:32 AM CDT | Heat Advisory | JSJ | 13 hr | |
| Sep 20, 1:50 PM CDT | Areal Flood Advisory | JSJ | 100 min | |
| Sep 20, 3:06 PM CDT | Areal Flood Advisory | JSJ | 77 min | |
| Sep 20, 3:06 PM CDT | Areal Flood Advisory | JSJ | 77 min | |
| Sep 21, 1:00 AM CDT | Heat Advisory | JSJ | 12 hr | |
| Sep 21, 12:48 PM CDT | Special Weather Statement | JSJ | 27 min | |
| Sep 21, 12:52 PM CDT | Areal Flood Advisory | JSJ | 91 min | |
| Sep 21, 1:07 PM CDT | Areal Flood Advisory | JSJ | 77 min | |
| Sep 21, 1:39 PM CDT | Areal Flood Advisory | JSJ | 85 min | |
| Sep 21, 2:08 PM CDT | Areal Flood Advisory | JSJ | 67 min | |
| Sep 21, 2:17 PM CDT | Areal Flood Advisory | JSJ | 76 min | |
| Sep 21, 3:04 PM CDT | Areal Flood Advisory | JSJ | 5 min | |
| Sep 22, 11:51 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 22, 12:57 PM CDT | Special Weather Statement | JSJ | 78 min | |
| Sep 22, 12:59 PM CDT | Areal Flood Advisory | JSJ | 92 min | |
| Sep 22, 1:00 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 22, 1:19 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 23, 1:28 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 23, 2:12 PM CDT | Areal Flood Advisory | JSJ | 108 min | |
| Sep 23, 3:01 PM CDT | Special Weather Statement | JSJ | 59 min | |
| Sep 24, 11:27 AM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Sep 24, 11:53 AM CDT | Special Weather Statement | JSJ | 67 min | |
| Sep 24, 12:01 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 24, 12:39 PM CDT | Special Weather Statement | JSJ | 66 min | |
| Sep 24, 12:49 PM CDT | Special Weather Statement | JSJ | 56 min | |
| Sep 24, 1:01 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 24, 2:31 PM CDT | Areal Flood Advisory | JSJ | 81 min | |
| Sep 25, 1:47 AM CDT | Heat Advisory | JSJ | 14 hr | |
| Sep 25, 3:32 PM CDT | Special Weather Statement | JSJ | 28 min | |
| Sep 26, 12:52 AM CDT | Heat Advisory | JSJ | 14 hr | |
| Sep 26, 2:05 PM CDT | Special Weather Statement | JSJ | 40 min | |
| Sep 26, 2:47 PM CDT | Special Weather Statement | JSJ | 43 min | |
| Sep 26, 3:35 PM CDT | Special Weather Statement | JSJ | 55 min | |
| Sep 26, 3:39 PM CDT | Areal Flood Advisory | JSJ | 111 min | |
| Sep 26, 11:09 PM CDT | Heat Advisory | JSJ | 16 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 | |
| Special Weather Statement | 29 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 4 |
| Areal Flood Advisory | 64 |
| Heat | |
| Extreme Heat Warning | 4 |
| Heat Advisory | 17 |
| Marine | |
| Special Marine Warning | 2 |
Nearby
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.