Alert archive / Pennsylvania / Chester County / 2011
Weather alerts in Chester County, Pennsylvania, August 2011
71 weather alerts in August 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 71
- Warnings
- 27
- Watches
- 4
- Advisories
- 13
- Busiest day
- August 19, 201111 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 31, 10:00 PM EDT | Special Weather Statement | PHI | 60 min |
| Aug 1, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 1, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | 87 min |
| Aug 1, 5:11 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Aug 1, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | 53 min |
| Aug 1, 6:18 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 1, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Aug 3, 9:53 PM EDT | Special Weather Statement | PHI | 52 min |
| Aug 3, 10:33 PM EDT | Special Weather Statement | PHI | 117 min |
| Aug 7, 1:32 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 8, 6:49 PM EDT | Special Weather Statement | PHI | 86 min |
| Aug 9, 11:46 AM EDT | Special Weather Statement | PHI | 59 min |
| Aug 9, 12:18 PM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| Aug 9, 12:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 9, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 9, 4:16 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 5:48 PM EDT | Special Weather Statement | PHI | 87 min |
| Aug 9, 7:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 13, 1:20 PM EDT | Special Weather Statement | PHI | 115 min |
| Aug 13, 2:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 13, 4:32 PM EDT | Special Weather Statement | PHI | 88 min |
| Aug 14, 12:37 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 14, 1:12 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 14, 1:00 PM EDT | Areal Flood Warning | PHI | 8 hr |
| Aug 15, 1:05 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 18, 4:48 AM EDT | Special Weather Statement | PHI | 57 min |
| Aug 18, 6:04 AM EDT | Special Weather Statement | PHI | 41 min |
| Aug 18, 6:35 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 18, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| Aug 18, 6:18 PM EDT | Special Weather Statement | PHI | 57 min |
| Aug 18, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | 66 min |
| Aug 18, 6:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 18, 6:59 PM EDT | Flash Flood Warning | PHI | 2 hr |
| Aug 18, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Aug 18, 7:28 PM EDT | Special Weather Statement | PHI | 62 min |
| Aug 18, 8:26 PM EDT | Areal Flood Advisory | PHI | 112 min |
| Aug 19, 12:02 AM EDT | Special Weather Statement | PHI | 58 min |
| Aug 19, 12:50 AM EDT | Special Weather Statement | PHI | 40 min |
| Aug 19, 1:14 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 19, 12:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 19, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 19, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Aug 19, 5:39 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 19, 5:42 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Aug 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| Aug 19, 6:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 19, 8:54 PM EDT | Areal Flood Warning | PHI | 4 hr |
| Aug 21, 11:54 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 21, 1:25 PM EDT | Areal Flood Advisory | PHI | 110 min |
| Aug 21, 1:47 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Aug 21, 2:43 PM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| Aug 21, 4:35 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 21, 7:35 PM EDT | Areal Flood Advisory | PHI | 115 min |
| Aug 25, 9:35 AM EDT | Special Weather Statement | PHI | 55 min |
| Aug 25, 10:00 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 27, 3:47 PM EDT | Areal Flood Advisory | PHI | 118 min |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | 36 hr |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | 37 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | 19 hr |
| Aug 27, 5:42 PM EDT | Areal Flood Warning | PHI | 6 hr |
| Aug 27, 7:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 27, 7:56 PM EDT | Tornado Watch | SPC | 9 hr |
| Aug 27, 8:28 PM EDT | Flash Flood Warning | PHI | 12 hr |
| Aug 27, 9:43 PM EDT | Areal Flood Warning | PHI | 6 hr |
| Aug 27, 10:14 PM EDT | Tornado Warning | PHI | 31 min |
| Aug 27, 10:23 PM EDT | Tornado Warning | PHI | 37 min |
| Aug 27, 11:37 PM EDT | Flash Flood Warning | PHI | 12 hr |
| Aug 28, 3:50 AM EDT | Flash Flood Warning | PHI | 10 hr |
| Aug 28, 11:07 AM EDT | Areal Flood Warning | PHI | 18 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.