Alert archive / Delaware / 2020
Weather alerts in Delaware, April 2020
68 weather alerts in April 2020, 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 April 2020. Tap one for its archive.
- Alerts
- 68
- Warnings
- 21
- Watches
- 8
- Advisories
- 14
- Busiest day
- April 13, 202019 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 |
|---|---|---|---|---|
| Apr 3, 4:57 AM EDT | Coastal Flood Watch | PHI | Kent, Sussex | 10 hr |
| Apr 3, 2:36 PM EDT | Coastal Flood Warning | PHI | Kent, Sussex | 19 hr |
| Apr 3, 2:36 PM EDT | Coastal Flood Advisory | PHI | New Castle | 23 hr |
| Apr 4, 9:58 AM EDT | Coastal Flood Statement | PHI | Sussex | 4 hr |
| Apr 4, 5:16 PM EDT | Coastal Flood Statement | PHI | Sussex | 22 hr |
| Apr 4, 9:06 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 22 hr |
| Apr 7, 9:30 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 33 hr |
| Apr 7, 11:10 PM EDT | Special Weather Statement | PHI | Sussex | 35 min |
| Apr 7, 11:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Apr 8, 12:53 AM EDT | Special Weather Statement | PHI | Kent | 52 min |
| Apr 8, 1:06 AM EDT | Special Weather Statement | PHI | New Castle | 39 min |
| Apr 8, 4:21 AM EDT | Special Weather Statement | PHI | Kent, New Castle | 39 min |
| Apr 8, 4:56 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 64 min |
| Apr 8, 7:19 PM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 24 hr |
| Apr 9, 7:35 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 40 min |
| Apr 9, 11:09 AM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 66 min |
| Apr 9, 12:01 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 4 hr |
| Apr 9, 1:12 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Apr 9, 1:18 PM EDT | Special Weather Statement | PHI | Kent | 27 min |
| Apr 9, 1:41 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 34 min |
| Apr 9, 2:11 PM EDT | Special Weather Statement | PHI | Sussex | 49 min |
| Apr 9, 2:40 PM EDT | Mesoscale Discussion | SPC | Sussex | 65 min |
| Apr 9, 3:32 PM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 27 hr |
| Apr 9, 11:49 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Apr 10, 12:16 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 14 min |
| Apr 10, 12:18 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 57 min |
| Apr 10, 3:43 PM EDT | Fire Weather Watch | PHI | Kent, New Castle, Sussex | 12 hr |
| Apr 11, 4:01 AM EDT | Red Flag Warning | PHI | Kent, New Castle, Sussex | 15 hr |
| Apr 11, 3:32 PM EDT | High Wind Watch | PHI | Kent, New Castle, Sussex | 21 hr |
| Apr 12, 12:25 PM EDT | High Wind Warning | PHI | Kent, New Castle, Sussex | 29 hr |
| Apr 12, 3:18 PM EDT | Coastal Flood Advisory | PHI | New Castle | 30 hr |
| Apr 13, 3:43 AM EDT | Coastal Flood Statement | PHI | Sussex | 17 hr |
| Apr 13, 5:12 AM EDT | Special Weather Statement | PHI | Kent, New Castle | 33 min |
| Apr 13, 5:41 AM EDT | Special Weather Statement | PHI | New Castle | 34 min |
| Apr 13, 5:44 AM EDT | Special Weather Statement | PHI | Kent, Sussex | 31 min |
| Apr 13, 6:11 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Apr 13, 6:17 AM EDT | Special Weather Statement | PHI | Kent, New Castle | 28 min |
| Apr 13, 6:42 AM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 4 hr |
| Apr 13, 6:48 AM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| Apr 13, 10:34 AM EDT | Mesoscale Discussion | SPC | New Castle | 86 min |
| Apr 13, 11:25 AM EDT | River Flood Warning | PHI | New Castle | 4 hr |
| Apr 13, 11:33 AM EDT | Tornado Watch | SPC | Kent, New Castle, Sussex | 5 hr |
| Apr 13, 12:13 PM EDT | River Flood Warning | PHI | New Castle | 3 hr |
| Apr 13, 1:20 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle, Sussex | 85 min |
| Apr 13, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 64 min |
| Apr 13, 3:03 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 87 min |
| Apr 13, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Apr 13, 3:26 PM EDT | Tornado Warning | PHI | Kent | 13 min |
| Apr 13, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 65 min |
| Apr 13, 3:45 PM EDT | Tornado Warning | PHI | Kent | 15 min |
| Apr 15, 2:52 AM EDT | Freeze Watch | PHI | Kent, Sussex | 36 hr |
| Apr 16, 3:19 PM EDT | Frost Advisory | PHI | New Castle | 18 hr |
| Apr 16, 3:19 PM EDT | Freeze Warning | PHI | Kent, Sussex | 18 hr |
| Apr 18, 3:07 AM EDT | Frost Advisory | PHI | Kent, New Castle, Sussex | 29 hr |
| Apr 21, 3:34 AM EDT | Freeze Warning | PHI | Kent, New Castle, Sussex | 28 hr |
| Apr 21, 12:23 PM EDT | Mesoscale Discussion | SPC | Kent, New Castle | 2 hr |
| Apr 21, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 3 hr |
| Apr 21, 1:38 PM EDT | Special Weather Statement | PHI | New Castle | 52 min |
| Apr 21, 1:49 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 56 min |
| Apr 21, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 56 min |
| Apr 21, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 74 min |
| Apr 25, 3:20 AM EDT | Dense Fog Advisory | PHI | New Castle | 3 hr |
| Apr 29, 3:14 AM EDT | Flood Watch | PHI | Kent, New Castle, Sussex | 48 hr |
| Apr 29, 3:15 PM EDT | Wind Advisory | PHI | Kent, New Castle, Sussex | 29 hr |
| Apr 30, 4:00 AM EDT | High Wind Warning | PHI | Kent, New Castle, Sussex | 16 hr |
| Apr 30, 4:16 AM EDT | Coastal Flood Advisory | PHI | New Castle | 22 hr |
| Apr 30, 10:20 AM EDT | Coastal Flood Statement | PHI | Sussex | 25 hr |
| Apr 30, 5:36 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 54 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 | 11 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 15 |
| Flooding | |
| River Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 5 |
| Coastal Flood Statement | 4 |
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 archive20192021
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.