Alert archive / Florida / Nassau County / 2009
Weather alerts in Nassau County, Florida, December 2009
21 weather alerts in December 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 3
- Watches
- 3
- Advisories
- 9
- Busiest day
- December 2, 20096 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Dec 2, 9:52 AM EST | Mesoscale Discussion | SPC | 83 min |
| Dec 2, 12:48 PM EST | Mesoscale Discussion | SPC | 117 min |
| Dec 2, 2:46 PM EST | Tornado Watch | SPC | 7 hr |
| Dec 2, 5:20 PM EST | Special Weather Statement | JAX | 55 min |
| Dec 2, 5:40 PM EST | Severe Thunderstorm Warning | JAX | 65 min |
| Dec 2, 6:39 PM EST | Mesoscale Discussion | SPC | 96 min |
| Dec 2, 8:23 PM EST | Severe Thunderstorm Warning | JAX | 39 min |
| Dec 9, 4:40 AM EST | Lake Wind Advisory | JAX | 13 hr |
| Dec 9, 11:29 AM EST | Mesoscale Discussion | SPC | 91 min |
| Dec 9, 4:01 PM EST | Special Weather Statement | JAX | 44 min |
| Dec 13, 9:23 PM EST | Dense Fog Advisory | JAX | 13 hr |
| Dec 14, 9:41 PM EST | Dense Fog Advisory | JAX | 12 hr |
| Dec 16, 9:12 AM EST | Lake Wind Advisory | JAX | 9 hr |
| Dec 18, 3:25 AM EST | Lake Wind Advisory | JAX | 13 hr |
| Dec 20, 3:26 PM EST | Frost Advisory | JAX | 18 hr |
| Dec 21, 3:28 PM EST | Frost Advisory | JAX | 18 hr |
| Dec 24, 4:25 AM EST | Dense Fog Advisory | JAX | 2 hr |
| Dec 27, 2:10 PM EST | Fire Weather Watch | JAX | 37 hr |
| Dec 27, 3:08 PM EST | Freeze Watch | JAX | 13 hr |
| Dec 28, 3:44 AM EST | Freeze Warning | JAX | 29 hr |
| Dec 28, 3:44 AM EST | Lake Wind Advisory | JAX | 13 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 | |
| Severe Thunderstorm Warning | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 2 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.