Alert archive / Pennsylvania / Delaware County / 2021
Weather alerts in Delaware County, Pennsylvania, July 2021
55 weather alerts in July 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 55
- Warnings
- 17
- Watches
- 10
- Advisories
- 8
- Busiest day
- July 1, 20217 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 | Lasted |
|---|---|---|---|
| Jul 1, 11:45 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 2:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 1, 3:48 PM EDT | Areal Flood Advisory | PHI | 112 min |
| Jul 1, 3:50 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| Jul 1, 4:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Jul 2, 11:16 AM EDT | Areal Flood Advisory | PHI | 119 min |
| Jul 2, 3:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 3, 1:38 PM EDT | Special Weather Statement | PHI | 52 min |
| Jul 3, 2:03 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 5, 3:21 AM EDT | Heat Advisory | PHI | 65 hr |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:32 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 4:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | 49 min |
| Jul 6, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | 31 min |
| Jul 7, 3:32 PM EDT | Flash Flood Watch | PHI | 42 hr |
| Jul 8, 1:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 8, 2:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 4:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 8, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Jul 9, 4:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 9, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Jul 9, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | 23 min |
| Jul 11, 3:45 PM EDT | Flash Flood Watch | PHI | 36 hr |
| Jul 11, 6:18 PM EDT | Heat Advisory | PHI | 50 hr |
| Jul 12, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 12, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 12, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| Jul 12, 5:26 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 12, 6:18 PM EDT | Flash Flood Warning | PHI | 84 min |
| Jul 12, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | 69 min |
| Jul 12, 7:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:33 PM EDT | Heat Advisory | PHI | 52 hr |
| Jul 16, 3:17 PM EDT | Flash Flood Watch | PHI | 35 hr |
| Jul 17, 12:00 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 17, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 17, 3:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 17, 4:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 9:15 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 17, 9:27 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Jul 17, 9:36 PM EDT | Flash Flood Warning | PHI | 2 hr |
| Jul 17, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jul 17, 10:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 21, 10:32 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 21, 11:56 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | 19 min |
| Jul 21, 2:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Jul 21, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | 33 min |
| Jul 29, 2:23 PM EDT | Tornado Watch | SPC | 8 hr |
| Jul 29, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 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 | 15 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 5 |
| Heat | |
| Heat Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.