Alert archive / U.S. Virgin Islands
Weather alerts in U.S. Virgin Islands, 2022
85 weather alerts in 2022, 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
- 85
- Warnings
- 10
- Watches
- 5
- Advisories
- 23
- Busiest month
- September16 alerts
- Busiest day
- September 30, 20223 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
U.S. Virgin Islands, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 0 | 0 | ||||
| Flash flood warnings | 5 | 1 | 80% | 1 | 100% | 124 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS JSJ: tornado warnings | 0 | 1 | 0% | |||
| NWS JSJ: severe thunderstorm warnings | 1 | 0 | 100% | 41 | 0% | |
| NWS JSJ: flash flood warnings | 89 | 46 | 48% | 361 | 44% | 178 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 2:18 AM CST | Rip Current Statement | JSJ | 24 hr | |
| Jan 15, 1:40 AM CST | Rip Current Statement | JSJ | 8 days | |
| Jan 15, 1:59 PM CST | High Surf Advisory | JSJ | 70 hr | |
| Jan 24, 2:43 AM CST | Rip Current Statement | JSJ | 72 hr | |
| Jan 27, 2:21 AM CST | Rip Current Statement | JSJ | 12 hr | |
| Jan 28, 1:34 PM CST | Rip Current Statement | JSJ | 31 days | |
| Feb 3, 2:09 PM CST | Rip Current Statement | JSJ | 25 days | |
| Feb 4, 9:22 AM CST | High Surf Advisory | JSJ | 55 hr | |
| Feb 6, 12:36 AM CST | Areal Flood Advisory | JSJ | 114 min | |
| Feb 6, 2:32 AM CST | Areal Flood Advisory | JSJ | 3 hr | |
| Feb 15, 2:12 PM CST | Rip Current Statement | JSJ | 5 days | |
| Feb 20, 2:23 AM CST | Rip Current Statement | JSJ | 6 days | |
| Feb 26, 2:42 AM CST | Rip Current Statement | JSJ | 17 hr | |
| Feb 27, 2:29 AM CST | Rip Current Statement | JSJ | 6 hr | |
| Feb 28, 9:35 PM CST | Rip Current Statement | JSJ | 3 days | |
| Mar 4, 2:39 AM CST | Rip Current Statement | JSJ | 18 days | |
| Mar 5, 4:56 AM CST | Rip Current Statement | JSJ | 6 days | |
| Mar 13, 3:05 PM CDT | Rip Current Statement | JSJ | 5 days | |
| Mar 15, 3:05 AM CDT | High Surf Advisory | JSJ | 35 hr | |
| Mar 19, 2:56 PM CDT | Rip Current Statement | JSJ | 60 hr | |
| Mar 22, 3:27 PM CDT | Rip Current Statement | JSJ | 4 days | |
| Mar 28, 4:28 AM CDT | Rip Current Statement | JSJ | 7 days | |
| Mar 30, 4:27 AM CDT | Rip Current Statement | JSJ | 5 days | |
| Apr 6, 4:04 PM CDT | Rip Current Statement | JSJ | 11 hr | |
| Apr 8, 3:40 PM CDT | Rip Current Statement | JSJ | 37 hr | |
| Apr 11, 2:47 AM CDT | Rip Current Statement | JSJ | 9 days | |
| Apr 20, 3:52 AM CDT | Rip Current Statement | JSJ | 13 days | |
| Apr 25, 3:39 PM CDT | Rip Current Statement | JSJ | 6 hr | |
| Apr 27, 9:13 AM CDT | High Surf Advisory | JSJ | 32 hr | |
| Apr 28, 7:50 PM CDT | High Surf Advisory | JSJ | 20 hr | |
| Apr 30, 11:03 AM CDT | Areal Flood Advisory | JSJ | 117 min | |
| May 3, 3:20 AM CDT | Rip Current Statement | JSJ | 50 hr | |
| May 10, 3:55 PM CDT | Rip Current Statement | JSJ | 6 days | |
| May 25, 5:04 AM CDT | Rip Current Statement | JSJ | 7 days | |
| May 31, 3:07 AM CDT | Rip Current Statement | JSJ | 14 hr | |
| Jun 9, 3:44 PM CDT | Rip Current Statement | JSJ | 4 days | |
| Jun 24, 3:19 PM CDT | Rip Current Statement | JSJ | 8 days | |
| Jul 1, 3:19 AM CDT | Rip Current Statement | JSJ | 48 hr | |
| Jul 3, 3:01 AM CDT | Rip Current Statement | JSJ | 14 hr | |
| Jul 6, 3:40 PM CDT | Rip Current Statement | JSJ | 5 days | |
| Jul 13, 3:29 PM CDT | Rip Current Statement | JSJ | 8 days | |
| Jul 20, 3:26 PM CDT | Rip Current Statement | JSJ | 11 days | |
| Jul 21, 4:20 AM CDT | Rip Current Statement | JSJ | 12 days | |
| Jul 22, 8:43 AM CDT | Rip Current Statement | JSJ | 51 min | |
| Jul 23, 3:35 AM CDT | Rip Current Statement | JSJ | 4 days | |
| Aug 4, 3:59 AM CDT | Rip Current Statement | JSJ | 6 days | |
| Sep 3, 4:37 PM CDT | Rip Current Statement | JSJ | 48 hr | |
| Sep 5, 9:51 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 5, 11:38 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Sep 12, 3:52 AM CDT | Rip Current Statement | JSJ | 4 days | |
| Sep 12, 3:52 AM CDT | High Surf Advisory | JSJ | 3 days | |
| Sep 15, 11:50 AM CDT | Flood Watch | JSJ | 5 days | |
| Sep 15, 4:01 PM CDT | Tropical Storm Watch | JSJ | 18 hr | |
| Sep 16, 10:14 AM CDT | Tropical Storm Warning | JSJ | 3 days | |
| Sep 17, 4:03 AM CDT | Hurricane Watch | JSJ | 30 hr | |
| Sep 18, 7:25 AM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Sep 19, 4:09 PM CDT | Rip Current Statement | JSJ | 12 hr | |
| Sep 26, 9:14 AM CDT | Rip Current Statement | JSJ | 42 hr | |
| Sep 29, 5:07 PM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Sep 29, 7:11 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 29, 10:18 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Sep 30, 7:58 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Oct 25, 9:18 AM CDT | Flood Watch | JSJ | 70 hr | |
| Oct 26, 11:27 AM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Oct 26, 11:39 AM CDT | Flash Flood Warning | JSJ | 6 hr | |
| Nov 3, 10:22 AM CDT | Flood Watch | JSJ | 4 days | |
| Nov 4, 2:54 PM CDT | Rip Current Statement | JSJ | 4 days | |
| Nov 5, 9:20 AM CDT | Areal Flood Advisory | JSJ | 8 hr | |
| Nov 5, 10:31 AM CDT | Areal Flood Advisory | JSJ | 119 min | |
| Nov 5, 7:27 PM CDT | Flash Flood Warning | JSJ | 5 hr | |
| Nov 5, 8:27 PM CDT | Flash Flood Warning | JSJ | 3 hr | |
| Nov 5, 11:32 PM CDT | Areal Flood Advisory | JSJ | 118 min | |
| Nov 10, 8:30 AM CST | Rip Current Statement | JSJ | 3 days | |
| Nov 10, 3:43 PM CST | High Surf Advisory | JSJ | 48 hr | |
| Nov 20, 2:31 PM CST | Rip Current Statement | JSJ | 3 days | |
| Nov 27, 2:09 PM CST | Rip Current Statement | JSJ | 4 days | |
| Nov 28, 2:24 PM CST | High Surf Advisory | JSJ | 24 hr | |
| Dec 2, 8:40 AM CST | Rip Current Statement | JSJ | 29 days | |
| Dec 2, 2:45 PM CST | High Surf Advisory | JSJ | 6 days | |
| Dec 8, 12:49 PM CST | Coastal Flood Advisory | JSJ | 7 hr | |
| Dec 8, 12:49 PM CST | High Surf Warning | JSJ | 35 hr | |
| Dec 8, 12:49 PM CST | High Surf Advisory | JSJ | 12 days | |
| Dec 8, 7:54 PM CST | Coastal Flood Warning | JSJ | 28 hr | |
| Dec 12, 2:39 PM CST | High Surf Advisory | JSJ | 7 days | |
| Dec 22, 3:02 AM CST | High Surf Advisory | JSJ | 5 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 7 |
| Flood Watch | 3 |
| Areal Flood Advisory | 10 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Hurricane Watch | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| High Surf Warning | 1 |
| Coastal Flood Advisory | 1 |
| High Surf Advisory | 12 |
| Rip Current Statement | 47 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.