Alert archive / New York / Nassau County
Weather alerts in Nassau County, New York, 2004
35 weather alerts in 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Nassau County and its neighbors
Each county as a circle sized by its count in 2004. Tap one for its archive.
- Alerts
- 35
- Warnings
- 11
- Watches
- 7
- Advisories
- 0
- Busiest month
- August12 alerts
- Busiest day
- August 21, 20047 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 27, 5:28 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 6, 8:03 AM EST | Mesoscale Discussion | SPC | 5 hr |
| May 11, 11:53 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 23, 4:40 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 23, 6:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 24, 7:38 PM EDT | Severe Thunderstorm Warning | OKX | 37 min |
| Jun 1, 6:07 PM EDT | Severe Thunderstorm Warning | OKX | 38 min |
| Jun 9, 7:55 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 15, 3:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 17, 4:02 PM EDT | Severe Thunderstorm Warning | OKX | 43 min |
| Jun 17, 7:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 17, 8:38 PM EDT | Flash Flood Warning | OKX | 2 hr |
| Jul 2, 11:54 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 2:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 5:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Aug 11, 11:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 11, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 11, 4:36 PM EDT | Flash Flood Warning | OKX | 114 min |
| Aug 11, 7:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 12, 12:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 21, 11:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 21, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 21, 2:31 PM EDT | Severe Thunderstorm Warning | OKX | 44 min |
| Aug 21, 3:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 3:14 PM EDT | Flash Flood Warning | OKX | 2 hr |
| Aug 21, 3:16 PM EDT | Severe Thunderstorm Warning | OKX | 44 min |
| Aug 21, 4:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Sep 8, 5:01 AM EDT | Flash Flood Warning | OKX | 89 min |
| Sep 8, 6:32 AM EDT | Flash Flood Warning | OKX | 88 min |
| Sep 18, 2:39 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 18, 8:26 AM EDT | Flash Flood Warning | OKX | 3 hr |
| Nov 25, 8:55 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Dec 19, 7:55 PM EST | Mesoscale Discussion | SPC | 4 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 | 5 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 17 |
| Flooding | |
| Flash Flood Warning | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20032005
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.