Alert archive / Pennsylvania / Chester County
Weather alerts in Chester County, Pennsylvania, 2007
68 weather alerts in 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chester County and its neighbors
Each county as a circle sized by its count in 2007. Tap one for its archive.
- Alerts
- 68
- Warnings
- 26
- Watches
- 10
- Advisories
- 0
- Busiest month
- June20 alerts
- Busiest day
- May 16, 20076 alerts
Over time
By month
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 |
|---|---|---|---|
| Feb 14, 2:03 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 2:04 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 2:49 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 25, 1:39 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 16, 8:46 AM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 16, 9:14 PM EDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 27, 1:01 AM EDT | Flash Flood Warning | PHI | 3 hr |
| Apr 27, 3:42 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Apr 27, 8:07 AM EDT | Flash Flood Warning | PHI | 83 min |
| May 10, 6:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 12, 5:24 PM EDT | Severe Thunderstorm Warning | PHI | 36 min |
| May 12, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | 59 min |
| May 12, 6:45 PM EDT | Flash Flood Warning | PHI | 3 hr |
| May 16, 12:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 16, 1:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 16, 2:48 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| May 16, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| May 16, 3:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 16, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| May 27, 6:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 7:23 PM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| May 27, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| May 27, 9:27 PM EDT | Severe Thunderstorm Warning | PHI | 63 min |
| Jun 8, 4:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 8, 8:29 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 8, 8:53 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jun 11, 3:39 AM EDT | Flash Flood Warning | PHI | 3 hr |
| Jun 12, 12:29 PM EDT | Mesoscale Discussion | SPC | 31 min |
| Jun 12, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 12, 4:23 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jun 16, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 19, 2:15 PM EDT | Mesoscale Discussion | SPC | 30 min |
| Jun 19, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 7:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jun 19, 7:42 PM EDT | Severe Thunderstorm Warning | PHI | 63 min |
| Jun 19, 11:50 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Jun 27, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jun 27, 7:26 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 27, 8:33 PM EDT | Severe Thunderstorm Warning | PHI | 72 min |
| Jun 27, 10:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 28, 12:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 28, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 28, 7:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 4, 2:06 PM EDT | Tornado Watch | SPC | 8 hr |
| Jul 4, 4:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 4, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Jul 11, 1:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 16, 7:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 18, 1:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 19, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 19, 6:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 27, 12:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 27, 6:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 27, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | 93 min |
| Jul 29, 9:28 AM EDT | Flash Flood Warning | PHI | 2 hr |
| Aug 3, 3:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 9, 7:23 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 17, 1:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Aug 17, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 1:48 PM EDT | Severe Thunderstorm Warning | PHI | 72 min |
| Aug 17, 2:14 PM EDT | Tornado Warning | PHI | 46 min |
| Aug 17, 3:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 25, 5:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 25, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Oct 19, 6:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Oct 19, 8:55 PM EDT | Severe Thunderstorm Warning | PHI | 33 min |
| Oct 19, 9:18 PM EDT | Severe Thunderstorm Warning | PHI | 27 min |
| Dec 23, 2:11 PM EST | 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 | 19 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 32 |
| Flooding | |
| Flash Flood Warning | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20062008
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.