Alert archive / Pennsylvania / York County / 2021
Weather alerts in York County, Pennsylvania, September 2021
25 weather alerts in September 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 25
- Warnings
- 8
- Watches
- 5
- Advisories
- 6
- Busiest day
- September 1, 20219 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 |
|---|---|---|---|
| Sep 1, 4:01 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 1, 9:45 AM EDT | Areal Flood Advisory | CTP | 2 hr |
| Sep 1, 12:04 PM EDT | Flash Flood Warning | CTP | 6 hr |
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | 77 min |
| Sep 1, 3:05 PM EDT | Tornado Warning | CTP | 23 min |
| Sep 1, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | 35 min |
| Sep 1, 4:24 PM EDT | Flash Flood Warning | CTP | 4 hr |
| Sep 1, 5:41 PM EDT | Areal Flood Warning | CTP | 14 hr |
| Sep 8, 4:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 6:21 PM EDT | Flash Flood Watch | CTP | 7 hr |
| Sep 8, 8:29 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 8, 8:55 PM EDT | Severe Thunderstorm Warning | CTP | 50 min |
| Sep 8, 9:39 PM EDT | Special Weather Statement | CTP | 21 min |
| Sep 8, 9:48 PM EDT | Areal Flood Advisory | CTP | 57 min |
| Sep 8, 10:10 PM EDT | Flash Flood Warning | CTP | 95 min |
| Sep 8, 11:45 PM EDT | Areal Flood Advisory | CTP | 75 min |
| Sep 15, 11:55 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 15, 6:16 PM EDT | Special Weather Statement | CTP | 29 min |
| Sep 15, 7:09 PM EDT | Areal Flood Advisory | CTP | 96 min |
| Sep 15, 8:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 3:42 AM EDT | Flash Flood Watch | CTP | 33 hr |
| Sep 23, 3:13 AM EDT | Mesoscale Discussion | SPC | 5 hr |
| Sep 23, 7:14 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Sep 23, 8:52 AM EDT | Areal Flood Advisory | CTP | 2 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 archive20202022
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.