Alert archive / Delaware / 2026
Weather alerts in Delaware, May 2026
14 weather alerts in May 2026, 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 2026. Tap one for its archive.
- Alerts
- 14
- Warnings
- 6
- Watches
- 1
- Advisories
- 2
- Busiest day
- May 20, 20267 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 10, 3:10 PM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| May 18, 2:52 AM EDT | Heat Advisory | PHI | New Castle | 64 hr |
| May 19, 5:40 PM EDT | Mesoscale Discussion | SPC | New Castle | 65 min |
| May 20, 1:52 PM EDT | Mesoscale Discussion | SPC | New Castle | 53 min |
| May 20, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| May 20, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| May 20, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 42 min |
| May 20, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| May 20, 5:29 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 61 min |
| May 20, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| May 21, 3:51 PM EDT | Rip Current Statement | PHI | Sussex | 4 days |
| May 22, 3:54 PM EDT | High Surf Advisory | PHI | Sussex | 50 hr |
| May 27, 11:20 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 40 min |
| May 27, 11:58 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 62 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 | 1 |
| Mesoscale Discussion | 4 |
| Heat | |
| Heat Advisory | 1 |
| Coast and beach | |
| High Surf Advisory | 1 |
| Rip Current Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
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.