Alert archive / Pennsylvania / Lancaster County
Weather alerts in Lancaster County, Pennsylvania, 1999
30 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lancaster County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 30
- Warnings
- 25
- Watches
- 5
- Advisories
- 0
- Busiest month
- August8 alerts
- Busiest day
- August 14, 19997 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 |
|---|---|---|---|
| Jan 18, 10:33 AM EST | Flash Flood Warning | CTP | 3 hr |
| Jan 18, 1:25 PM EST | Flash Flood Warning | CTP | 4 hr |
| Jan 18, 4:05 PM EST | Flash Flood Warning | CTP | 3 hr |
| Jan 18, 7:10 PM EST | Flash Flood Warning | CTP | 5 hr |
| Jan 18, 10:25 PM EST | Flash Flood Warning | CTP | 6 hr |
| Feb 12, 2:56 PM EST | Severe Thunderstorm Warning | CTP | 59 min |
| Feb 12, 3:58 PM EST | Severe Thunderstorm Warning | CTP | 32 min |
| Mar 3, 6:30 PM EST | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 21, 8:47 PM EST | Flash Flood Warning | CTP | 5 hr |
| Apr 23, 2:40 PM EDT | Severe Thunderstorm Warning | CTP | 35 min |
| May 24, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 2, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | 49 min |
| Jun 2, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | 50 min |
| Jul 2, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Jul 9, 10:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 22, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Aug 13, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 13, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Aug 13, 11:30 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Aug 14, 1:49 PM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| Aug 14, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | |
| Aug 14, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | 64 min |
| Aug 14, 3:50 PM EDT | Severe Thunderstorm Warning | CTP | 55 min |
| Aug 26, 6:24 PM EDT | Severe Thunderstorm Warning | CTP | 66 min |
| Sep 6, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | 64 min |
| Sep 6, 4:17 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Sep 9, 5:54 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Sep 9, 8:58 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Sep 16, 9:00 AM EDT | Flash Flood Warning | CTP | 6 hr |
| Sep 16, 2:15 PM EDT | Flash Flood Warning | 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 | 14 |
| Severe Thunderstorm Watch | 5 |
| Flooding | |
| Flash Flood Warning | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.