Alert archive / Delaware / 2009
Weather alerts in Delaware, May 2009
20 weather alerts in May 2009, 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.
Weather alerts by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- Alerts
- 20
- Warnings
- 8
- Watches
- 3
- Advisories
- 5
- Busiest day
- May 29, 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 | Counties | Lasted |
|---|---|---|---|---|
| May 1, 1:03 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 117 min |
| May 6, 9:01 PM EDT | Flood Watch | PHI | New Castle | 19 hr |
| May 7, 1:51 AM EDT | Flash Flood Warning | PHI | New Castle | 5 hr |
| May 7, 2:00 AM EDT | River Flood Warning | PHI | New Castle | 3 hr |
| May 7, 1:22 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| May 7, 1:33 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 66 min |
| May 9, 6:25 PM EDT | Severe Thunderstorm Watch | SPC | Sussex | 4 hr |
| May 9, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 51 min |
| May 9, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 32 min |
| May 16, 3:41 AM EDT | Dense Fog Advisory | PHI | New Castle | 5 hr |
| May 25, 5:34 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 70 min |
| May 26, 3:40 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 10 hr |
| May 28, 4:15 AM EDT | Dense Fog Advisory | PHI | Sussex | 7 hr |
| May 29, 12:20 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 55 min |
| May 29, 1:26 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 8 hr |
| May 29, 4:30 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 60 min |
| May 29, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 50 min |
| May 29, 5:32 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 58 min |
| May 29, 6:20 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 55 min |
| May 31, 8:29 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 17 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 | 6 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe 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.