Alert archive / Pennsylvania / Lancaster County / 2009
Weather alerts in Lancaster County, Pennsylvania, August 2009
57 weather alerts in August 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 57
- Warnings
- 17
- Watches
- 7
- Advisories
- 16
- Busiest day
- August 2, 200910 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 |
|---|---|---|---|
| Aug 1, 4:05 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Aug 1, 2:48 PM EDT | Special Weather Statement | CTP | 37 min |
| Aug 1, 3:40 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 1, 4:01 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Aug 1, 6:15 PM EDT | Areal Flood Advisory | CTP | 79 min |
| Aug 2, 12:36 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 2, 4:14 AM EDT | Special Weather Statement | CTP | 61 min |
| Aug 2, 5:08 AM EDT | Flash Flood Watch | CTP | 10 hr |
| Aug 2, 5:08 AM EDT | Special Weather Statement | CTP | 52 min |
| Aug 2, 5:27 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 2, 8:18 AM EDT | Special Weather Statement | CTP | 27 min |
| Aug 2, 8:19 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 2, 8:29 AM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Aug 2, 9:36 AM EDT | Flash Flood Warning | CTP | 3 hr |
| Aug 2, 9:53 AM EDT | Special Weather Statement | CTP | 37 min |
| Aug 9, 2:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Aug 9, 3:09 PM EDT | Heat Advisory | CTP | 28 hr |
| Aug 9, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| Aug 9, 5:59 PM EDT | Severe Thunderstorm Warning | CTP | 46 min |
| Aug 9, 7:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 5:09 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 10, 8:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 11:07 PM EDT | Special Weather Statement | CTP | 38 min |
| Aug 12, 12:37 AM EDT | Special Weather Statement | CTP | 23 min |
| Aug 12, 7:47 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 12, 11:50 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Aug 13, 1:40 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 13, 4:33 AM EDT | Flash Flood Watch | CTP | 15 hr |
| Aug 14, 4:04 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Aug 15, 6:30 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Aug 18, 2:44 PM EDT | Special Weather Statement | CTP | 31 min |
| Aug 18, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | 88 min |
| Aug 19, 6:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 19, 6:31 PM EDT | Severe Thunderstorm Warning | CTP | 59 min |
| Aug 19, 7:43 PM EDT | Special Weather Statement | CTP | 32 min |
| Aug 19, 8:13 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 20, 3:20 PM EDT | Special Weather Statement | CTP | 25 min |
| Aug 20, 3:52 PM EDT | Severe Thunderstorm Warning | CTP | 53 min |
| Aug 20, 4:22 PM EDT | Special Weather Statement | CTP | 53 min |
| Aug 20, 4:29 PM EDT | Tornado Warning | CTP | 31 min |
| Aug 20, 4:57 PM EDT | Tornado Warning | CTP | 63 min |
| Aug 21, 10:01 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 21, 11:28 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 12:06 PM EDT | Severe Thunderstorm Warning | CTP | 54 min |
| Aug 21, 12:21 PM EDT | Areal Flood Advisory | CTP | 114 min |
| Aug 21, 12:41 PM EDT | Severe Thunderstorm Warning | CTP | 49 min |
| Aug 21, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Aug 21, 1:40 PM EDT | Severe Thunderstorm Warning | CTP | 35 min |
| Aug 21, 2:17 PM EDT | Flash Flood Warning | CTP | 2 hr |
| Aug 21, 2:23 PM EDT | Severe Thunderstorm Warning | CTP | 21 min |
| Aug 21, 9:29 PM EDT | Special Weather Statement | CTP | 46 min |
| Aug 21, 9:59 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 22, 1:37 PM EDT | Flash Flood Watch | CTP | 12 hr |
| Aug 22, 8:52 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 28, 7:40 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 28, 8:17 PM EDT | Flash Flood Watch | CTP | 7 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 | 11 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 12 |
| Flooding | |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 12 |
| Heat | |
| Heat Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.