Alert archive / Florida / Saint Johns County
Weather alerts in Saint Johns County, Florida, 1999
25 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Saint Johns County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 25
- Warnings
- 20
- Watches
- 5
- Advisories
- 0
- Busiest month
- January9 alerts
- Busiest day
- January 3, 19994 alerts
Over time
By month
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 2, 3:15 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 2, 9:00 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 2, 11:02 PM EST | Severe Thunderstorm Warning | JAX | 78 min |
| Jan 2, 11:31 PM EST | Tornado Warning | JAX | 34 min |
| Jan 2, 11:57 PM EST | Tornado Warning | JAX | 33 min |
| Jan 9, 5:02 PM EST | Severe Thunderstorm Warning | JAX | 43 min |
| Jan 18, 1:24 PM EST | Severe Thunderstorm Warning | JAX | 76 min |
| Jan 18, 2:45 PM EST | Severe Thunderstorm Warning | JAX | 35 min |
| Jan 23, 6:30 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
| Feb 12, 4:44 PM EST | Severe Thunderstorm Warning | JAX | 46 min |
| Mar 14, 7:30 AM EST | Tornado Watch | SPC | 6 hr |
| Apr 1, 2:49 PM EST | Severe Thunderstorm Warning | JAX | 51 min |
| Apr 1, 5:45 PM EST | Severe Thunderstorm Warning | JAX | 65 min |
| Apr 28, 2:15 PM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| Apr 28, 3:20 PM EDT | Severe Thunderstorm Warning | JAX | 60 min |
| May 7, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 12, 6:14 PM EDT | Severe Thunderstorm Warning | JAX | 46 min |
| Jun 15, 2:52 PM EDT | Severe Thunderstorm Warning | JAX | 63 min |
| Jul 9, 5:09 PM EDT | Severe Thunderstorm Warning | JAX | 66 min |
| Aug 2, 9:19 PM EDT | Severe Thunderstorm Warning | JAX | 46 min |
| Aug 15, 5:26 PM EDT | Severe Thunderstorm Warning | JAX | 49 min |
| Sep 14, 2:33 PM EDT | Tornado Warning | JAX | 32 min |
| Sep 14, 4:52 PM EDT | Tornado Warning | JAX | 33 min |
| Sep 15, 2:35 AM EDT | Flash Flood Warning | JAX | 6 hr |
| Sep 15, 3:02 AM EDT | Severe Thunderstorm Warning | JAX | 58 min |
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 | 15 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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. Rebuilt daily.