Alert archive / Florida / Saint Johns County / Mesoscale Discussions
Mesoscale Discussions in Saint Johns County, Florida, 2021
6 mesoscale discussions in 2021. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.
Saint Johns County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest month
- February3 mesoscale discussions
- Busiest day
- February 7, 20212 mesoscale discussions
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 |
|---|---|---|---|
| Feb 6, 7:41 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 6, 9:48 PM EST | Mesoscale Discussion | SPC | 87 min |
| Feb 15, 2:47 PM EST | Mesoscale Discussion | SPC | 118 min |
| Apr 25, 2:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 22, 12:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 4:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.