Alert archive / Delaware / 2026
Weather alerts in Delaware, July 2026
95 weather alerts in July 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 July 2026. Tap one for its archive.
- Alerts
- 95
- Warnings
- 54
- Watches
- 16
- Advisories
- 6
- Busiest day
- July 28, 202618 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 |
|---|---|---|---|---|
| Jul 3, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | New Castle | 7 hr |
| Jul 4, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Jul 4, 6:47 PM EDT | Mesoscale Discussion | SPC | New Castle | 118 min |
| Jul 4, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 43 min |
| Jul 4, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 43 min |
| Jul 4, 8:19 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 116 min |
| Jul 4, 8:38 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jul 4, 8:48 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 57 min |
| Jul 4, 8:59 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Jul 4, 9:07 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 22 min |
| Jul 4, 9:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 38 min |
| Jul 4, 10:52 PM EDT | Heat Advisory | PHI | Kent, New Castle, Sussex | 21 hr |
| Jul 5, 2:33 AM EDT | Flood Watch | PHI | New Castle | 41 hr |
| Jul 5, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 52 min |
| Jul 5, 6:00 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 5, 6:44 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jul 5, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 36 min |
| Jul 5, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Jul 5, 8:20 PM EDT | Mesoscale Discussion | SPC | New Castle | 115 min |
| Jul 5, 10:05 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 40 min |
| Jul 5, 10:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 38 min |
| Jul 5, 11:00 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jul 5, 11:30 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 45 min |
| Jul 6, 3:35 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 55 min |
| Jul 6, 4:17 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 3 hr |
| Jul 9, 2:09 AM EDT | Flood Watch | PHI | New Castle | 19 hr |
| Jul 9, 1:37 PM EDT | Flash Flood Warning | PHI | New Castle | 6 hr |
| Jul 9, 2:05 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 115 min |
| Jul 9, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 7 hr |
| Jul 9, 4:30 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jul 9, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Jul 9, 7:06 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 84 min |
| Jul 9, 7:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 53 min |
| Jul 11, 4:16 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 19 hr |
| Jul 11, 2:56 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jul 12, 4:25 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 20 hr |
| Jul 13, 2:08 AM EDT | Extreme Heat Watch | PHI | New Castle | 25 hr |
| Jul 13, 2:45 PM EDT | Heat Advisory | PHI | Kent, Sussex | 53 hr |
| Jul 14, 2:38 AM EDT | Extreme Heat Warning | PHI | New Castle | 41 hr |
| Jul 16, 12:10 AM EDT | Heat Advisory | PHI | New Castle | 20 hr |
| Jul 17, 1:40 PM EDT | Flood Watch | PHI | New Castle | 33 hr |
| Jul 18, 2:12 AM EDT | Heat Advisory | PHI | Sussex | 17 hr |
| Jul 18, 12:50 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 85 min |
| Jul 18, 1:55 PM EDT | Tornado Watch | SPC | Kent, New Castle, Sussex | 6 hr |
| Jul 18, 4:39 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 96 min |
| Jul 18, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 61 min |
| Jul 18, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 49 min |
| Jul 18, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
| Jul 18, 6:27 PM EDT | Tornado Warning | PHI | Sussex | 33 min |
| Jul 18, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 36 min |
| Jul 18, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 22 min |
| Jul 18, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 8 min |
| Jul 20, 2:44 PM EDT | Flood Watch | PHI | New Castle | 31 hr |
| Jul 21, 1:23 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 21, 2:06 PM EDT | Tornado Watch | SPC | New Castle | 7 hr |
| Jul 21, 2:46 PM EDT | Severe Thunderstorm Watch | SPC | Kent, Sussex | 11 hr |
| Jul 21, 3:40 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 95 min |
| Jul 21, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jul 21, 4:38 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Jul 21, 4:43 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jul 21, 4:43 PM EDT | Mesoscale Discussion | SPC | Kent, Sussex | 92 min |
| Jul 21, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 39 min |
| Jul 21, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 45 min |
| Jul 21, 5:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 48 min |
| Jul 21, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 45 min |
| Jul 21, 6:53 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 3 hr |
| Jul 21, 10:39 PM EDT | Mesoscale Discussion | SPC | Sussex | 66 min |
| Jul 21, 10:42 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 4 hr |
| Jul 22, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Jul 27, 2:11 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 2 hr |
| Jul 27, 2:15 PM EDT | Flood Watch | PHI | New Castle | 38 hr |
| Jul 27, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
| Jul 27, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 46 min |
| Jul 27, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 20 min |
| Jul 27, 5:22 PM EDT | Flash Flood Warning | PHI | Sussex | 2 hr |
| Jul 27, 7:16 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 119 min |
| Jul 28, 12:08 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 28, 12:51 PM EDT | Severe Thunderstorm Watch | SPC | New Castle | 8 hr |
| Jul 28, 2:04 PM EDT | Mesoscale Discussion | SPC | Sussex | 116 min |
| Jul 28, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | Kent, Sussex | 9 hr |
| Jul 28, 4:20 PM EDT | Tornado Watch | SPC | Kent, New Castle, Sussex | 5 hr |
| Jul 28, 4:53 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Jul 28, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 61 min |
| Jul 28, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 52 min |
| Jul 28, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jul 28, 6:16 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Jul 28, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 67 min |
| Jul 28, 6:27 PM EDT | Mesoscale Discussion | SPC | Kent | 63 min |
| Jul 28, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 67 min |
| Jul 28, 6:46 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Jul 28, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 50 min |
| Jul 28, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 61 min |
| Jul 28, 7:11 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Jul 28, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 50 min |
| Jul 28, 8:08 PM EDT | Tornado Warning | PHI | Sussex | 26 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 | 40 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 19 |
| Flooding | |
| Flash Flood Warning | 9 |
| Flood Watch | 5 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 4 |
| 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
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.