Alert archive / Delaware / 2025
Weather alerts in Delaware, June 2025
46 weather alerts in June 2025, 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 June 2025. Tap one for its archive.
- Alerts
- 46
- Warnings
- 27
- Watches
- 4
- Advisories
- 7
- Busiest day
- June 19, 202516 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 |
|---|---|---|---|---|
| Jun 10, 6:24 AM EDT | Dense Fog Advisory | PHI | Kent, New Castle, Sussex | 5 hr |
| Jun 13, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| Jun 17, 2:33 PM EDT | Heat Advisory | PHI | New Castle | 52 hr |
| Jun 18, 11:36 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 114 min |
| Jun 18, 12:43 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jun 18, 2:52 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 113 min |
| Jun 18, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Jun 19, 1:22 PM EDT | Mesoscale Discussion | SPC | New Castle | 113 min |
| Jun 19, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 9 hr |
| Jun 19, 3:22 PM EDT | Mesoscale Discussion | SPC | New Castle | 113 min |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jun 19, 5:02 PM EDT | Tornado Warning | PHI | New Castle | 15 min |
| Jun 19, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jun 19, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jun 19, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Jun 19, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jun 19, 5:25 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jun 19, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Jun 19, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 39 min |
| Jun 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 46 min |
| Jun 19, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 50 min |
| Jun 19, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Jun 19, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Jun 20, 2:12 AM EDT | Extreme Heat Watch | PHI | New Castle | 24 hr |
| Jun 21, 2:06 AM EDT | Heat Advisory | PHI | Kent, New Castle, Sussex | 6 days |
| Jun 21, 2:06 AM EDT | Extreme Heat Warning | PHI | Kent, New Castle, Sussex | 5 days |
| Jun 26, 4:25 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| Jun 26, 1:54 PM EDT | Mesoscale Discussion | SPC | New Castle | 2 hr |
| Jun 26, 2:05 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 40 min |
| Jun 26, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 8 hr |
| Jun 26, 6:55 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 95 min |
| Jun 26, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Jun 26, 7:27 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jun 27, 12:59 PM EDT | Heat Advisory | PHI | New Castle | 31 hr |
| Jun 27, 6:36 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 12 hr |
| Jun 29, 2:21 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 26 min |
| Jun 29, 1:07 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jun 29, 4:12 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Jun 29, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 39 min |
| Jun 29, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 38 min |
| Jun 30, 3:19 AM EDT | Heat Advisory | PHI | New Castle | 13 hr |
| Jun 30, 1:16 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
| Jun 30, 1:28 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jun 30, 1:34 PM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Jun 30, 1:55 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jun 30, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 8 |
| Flooding | |
| Flash Flood Warning | 4 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
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 archive20242026
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.