Alert archive / Pennsylvania / Lancaster County / 2011
Weather alerts in Lancaster County, Pennsylvania, May 2011
33 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 33
- Warnings
- 5
- Watches
- 6
- Advisories
- 2
- Busiest day
- May 23, 20116 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 |
|---|---|---|---|
| May 3, 2:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 3:47 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 3, 6:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 6, 7:15 PM EDT | Special Weather Statement | CTP | 60 min |
| May 6, 8:15 PM EDT | Special Weather Statement | CTP | 60 min |
| May 15, 2:23 PM EDT | Special Weather Statement | CTP | 52 min |
| May 15, 6:53 PM EDT | Special Weather Statement | CTP | 52 min |
| May 15, 7:04 PM EDT | Severe Thunderstorm Warning | CTP | 26 min |
| May 16, 5:56 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 16, 6:09 PM EDT | Flash Flood Warning | CTP | 2 hr |
| May 17, 11:13 AM EDT | Flood Watch | CTP | 33 hr |
| May 17, 6:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 3:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| May 18, 4:31 PM EDT | Flash Flood Warning | CTP | 4 hr |
| May 19, 2:08 AM EDT | Special Weather Statement | CTP | 37 min |
| May 19, 11:41 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 19, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 19, 2:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 19, 5:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 23, 10:48 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 23, 4:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| May 23, 5:00 PM EDT | Special Weather Statement | CTP | 30 min |
| May 23, 6:08 PM EDT | Special Weather Statement | CTP | 37 min |
| May 23, 6:16 PM EDT | Special Weather Statement | CTP | 44 min |
| May 23, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | 34 min |
| May 26, 2:53 PM EDT | Tornado Watch | SPC | 7 hr |
| May 26, 5:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 26, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| May 26, 8:29 PM EDT | Special Weather Statement | CTP | 46 min |
| May 26, 8:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 27, 12:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 27, 12:57 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 27, 6:14 PM EDT | Mesoscale Discussion | SPC | 2 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 | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
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. Rebuilt daily.