Alert archive / Pennsylvania / Delaware County / 2017
Weather alerts in Delaware County, Pennsylvania, July 2017
47 weather alerts in July 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 47
- Warnings
- 16
- Watches
- 8
- Advisories
- 8
- Busiest day
- July 13, 20179 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, 1:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Jul 1, 5:30 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 1, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| Jul 6, 4:16 PM EDT | Flash Flood Watch | PHI | 3 hr |
| Jul 7, 7:30 PM EDT | Special Weather Statement | PHI | 30 min |
| Jul 11, 2:52 PM EDT | Excessive Heat Watch | PHI | 19 hr |
| Jul 12, 9:37 AM EDT | Excessive Heat Warning | PHI | 34 hr |
| Jul 13, 11:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 2:33 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 13, 2:57 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 4:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 13, 5:07 PM EDT | Areal Flood Advisory | PHI | 7 hr |
| Jul 13, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | 35 min |
| Jul 13, 5:30 PM EDT | Special Weather Statement | PHI | 45 min |
| Jul 13, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 13, 6:34 PM EDT | Special Weather Statement | PHI | 41 min |
| Jul 14, 11:40 AM EDT | Flash Flood Watch | PHI | 11 hr |
| Jul 14, 1:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 14, 2:14 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 14, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | 59 min |
| Jul 14, 2:53 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 14, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | 12 min |
| Jul 14, 3:23 PM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| Jul 14, 4:23 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 17, 4:44 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 19, 2:58 PM EDT | Excessive Heat Warning | PHI | 53 hr |
| Jul 22, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jul 22, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Jul 22, 6:00 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 23, 3:16 PM EDT | Flash Flood Watch | PHI | 15 hr |
| Jul 23, 3:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 4:48 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 23, 5:22 PM EDT | Special Weather Statement | PHI | 23 min |
| Jul 23, 6:08 PM EDT | Special Weather Statement | PHI | 37 min |
| Jul 23, 6:53 PM EDT | Flash Flood Warning | PHI | 14 hr |
| Jul 23, 7:41 PM EDT | Flash Flood Warning | PHI | 6 hr |
| Jul 24, 12:41 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 1:33 AM EDT | Areal Flood Advisory | PHI | 5 hr |
| Jul 24, 2:34 AM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Jul 24, 3:00 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 24, 2:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 24, 6:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Jul 24, 8:59 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 27, 3:08 PM EDT | Flash Flood Watch | PHI | 42 hr |
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 | 10 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 5 |
| Flooding | |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 8 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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. Warning verification from the Mesonet's Cow. Rebuilt daily.