Alert archive / Pennsylvania / York County
Weather alerts in York County, Pennsylvania, 2014
212 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
York County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 212
- Warnings
- 44
- Watches
- 33
- Advisories
- 55
- Busiest month
- July47 alerts
- Busiest day
- July 14, 201410 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
York County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 18 | 12 | 33% | 14 | 86% | 23 min |
| Flash flood warnings | 3 | 2 | 33% | 2 | 100% | 22 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS State College, PA: tornado warnings | 16 | 3 | 81% | 4 | 50% | 22 min |
| NWS State College, PA: severe thunderstorm warnings | 158 | 99 | 37% | 242 | 86% | 27 min |
| NWS State College, PA: flash flood warnings | 20 | 13 | 35% | 70 | 84% | 219 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 1, 2:30 PM EST | Winter Weather Advisory | CTP | 36 hr |
| Jan 2, 1:40 PM EST | Winter Storm Warning | CTP | 12 hr |
| Jan 4, 2:38 PM EST | Freezing Rain Advisory | CTP | 33 hr |
| Jan 5, 12:07 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 6, 12:37 AM EST | Dense Fog Advisory | CTP | 5 hr |
| Jan 6, 5:19 AM EST | Wind Chill Advisory | CTP | 51 hr |
| Jan 9, 1:10 PM EST | Freezing Rain Advisory | CTP | 23 hr |
| Jan 10, 1:22 PM EST | Flood Watch | CTP | 47 hr |
| Jan 10, 11:15 PM EST | Special Weather Statement | CTP | 3 hr |
| Jan 11, 1:08 AM EST | Dense Fog Advisory | CTP | 8 hr |
| Jan 11, 2:47 PM EST | Areal Flood Advisory | CTP | 3 hr |
| Jan 11, 6:06 PM EST | Areal Flood Advisory | CTP | 114 min |
| Jan 14, 6:25 PM EST | Dense Fog Advisory | CTP | 18 hr |
| Jan 14, 10:33 PM EST | Special Weather Statement | CTP | 3 hr |
| Jan 20, 4:35 AM EST | Winter Storm Watch | CTP | 9 hr |
| Jan 20, 1:35 PM EST | Winter Storm Warning | CTP | 32 hr |
| Jan 21, 4:52 AM EST | Wind Chill Advisory | CTP | 31 hr |
| Jan 21, 11:03 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 21, 4:28 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 8:40 PM EST | Special Weather Statement | CTP | 80 min |
| Jan 25, 10:40 PM EST | Special Weather Statement | CTP | 50 min |
| Jan 25, 10:42 PM EST | Special Weather Statement | CTP | 48 min |
| Jan 27, 2:49 AM EST | Wind Chill Advisory | CTP | 33 hr |
| Feb 2, 3:46 AM EST | Winter Weather Advisory | CTP | 35 hr |
| Feb 2, 5:06 PM EST | Winter Storm Warning | CTP | 21 hr |
| Feb 3, 7:38 AM EST | Winter Storm Watch | CTP | 20 hr |
| Feb 4, 4:05 AM EST | Winter Storm Warning | CTP | 36 hr |
| Feb 4, 9:45 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 2:32 PM EST | Special Weather Statement | CTP | 88 min |
| Feb 9, 4:03 PM EST | Special Weather Statement | CTP | 27 min |
| Feb 11, 2:32 AM EST | Winter Storm Watch | CTP | 12 hr |
| Feb 11, 2:30 PM EST | Winter Storm Warning | CTP | 58 hr |
| Feb 13, 12:17 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 13, 8:00 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 11:29 AM EST | Winter Weather Advisory | CTP | 27 hr |
| Feb 17, 4:35 AM EST | Winter Weather Advisory | CTP | 31 hr |
| Feb 18, 3:09 PM EST | Freezing Rain Advisory | CTP | 21 hr |
| Feb 19, 5:57 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 21, 9:52 AM EST | Dense Fog Advisory | CTP | 5 hr |
| Feb 21, 12:14 PM EST | Special Weather Statement | CTP | 46 min |
| Feb 21, 12:30 PM EST | Severe Thunderstorm Warning | CTP | 60 min |
| Mar 1, 3:33 AM EST | Winter Storm Watch | CTP | 25 hr |
| Mar 2, 4:13 AM EST | Winter Storm Warning | CTP | 16 hr |
| Mar 2, 4:13 AM EST | Winter Weather Advisory | CTP | 28 hr |
| Mar 12, 3:14 AM EDT | Wind Advisory | CTP | 32 hr |
| Mar 12, 5:33 PM EDT | Special Weather Statement | CTP | 57 min |
| Mar 28, 3:40 PM EDT | Flood Watch | CTP | 57 hr |
| Mar 29, 10:57 AM EDT | Winter Weather Advisory | CTP | 38 hr |
| Mar 29, 10:29 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Mar 30, 10:40 AM EDT | Areal Flood Advisory | CTP | 9 hr |
| Mar 30, 2:24 PM EDT | Areal Flood Warning | CTP | 3 hr |
| Mar 30, 2:27 PM EDT | River Flood Warning | CTP | 21 hr |
| Mar 30, 7:30 PM EDT | Areal Flood Advisory | CTP | 4 hr |
| Mar 30, 11:26 PM EDT | Areal Flood Advisory | CTP | 4 hr |
| Mar 31, 3:31 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Apr 12, 1:46 AM EDT | Dense Fog Advisory | CTP | 7 hr |
| Apr 14, 3:02 PM EDT | Freeze Watch | CTP | 12 hr |
| Apr 15, 2:47 AM EDT | Freeze Warning | CTP | 29 hr |
| Apr 15, 12:36 PM EDT | Special Weather Statement | CTP | 24 min |
| Apr 15, 2:10 PM EDT | Freeze Watch | CTP | 24 hr |
| Apr 16, 1:46 PM EDT | Freeze Warning | CTP | 18 hr |
| Apr 17, 3:58 AM EDT | Freeze Watch | CTP | 9 hr |
| Apr 17, 1:09 PM EDT | Frost Advisory | CTP | 19 hr |
| Apr 20, 3:57 PM EDT | Frost Advisory | CTP | 16 hr |
| Apr 22, 1:50 PM EDT | Fire Weather Watch | CTP | 14 hr |
| Apr 22, 6:16 PM EDT | Special Weather Statement | CTP | 29 min |
| Apr 22, 6:50 PM EDT | Special Weather Statement | CTP | 25 min |
| Apr 22, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 23, 3:39 AM EDT | Fire Weather Watch | CTP | 16 hr |
| Apr 23, 8:06 PM EDT | Red Flag Warning | CTP | 24 hr |
| Apr 26, 3:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 11:11 AM EDT | Flood Watch | CTP | 65 hr |
| Apr 30, 8:39 AM EDT | Areal Flood Advisory | CTP | 6 hr |
| Apr 30, 11:07 AM EDT | Areal Flood Warning | CTP | 21 hr |
| Apr 30, 3:20 PM EDT | River Flood Warning | CTP | 36 hr |
| Apr 30, 4:51 PM EDT | Areal Flood Warning | CTP | 15 hr |
| Apr 30, 8:06 PM EDT | Areal Flood Warning | CTP | 6 hr |
| May 1, 1:58 AM EDT | Areal Flood Warning | CTP | 6 hr |
| May 1, 7:40 AM EDT | Areal Flood Advisory | CTP | 4 hr |
| May 15, 3:53 AM EDT | Flash Flood Watch | CTP | 31 hr |
| May 15, 5:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 16, 6:02 AM EDT | Areal Flood Warning | CTP | 6 hr |
| May 16, 7:31 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 16, 10:13 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 16, 10:31 AM EDT | River Flood Warning | CTP | 27 hr |
| May 16, 11:58 AM EDT | Areal Flood Warning | CTP | 5 hr |
| May 17, 8:09 AM EDT | River Flood Warning | CTP | 12 hr |
| May 21, 9:14 AM EDT | Areal Flood Advisory | CTP | 6 hr |
| May 22, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 1:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| May 22, 3:26 PM EDT | Special Weather Statement | CTP | 34 min |
| May 22, 3:53 PM EDT | Severe Thunderstorm Warning | CTP | 67 min |
| May 22, 5:33 PM EDT | Special Weather Statement | CTP | 42 min |
| May 27, 1:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 27, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 3:41 PM EDT | Severe Thunderstorm Warning | CTP | 64 min |
| May 27, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Jun 3, 8:16 PM EDT | Special Weather Statement | CTP | 44 min |
| Jun 3, 9:31 PM EDT | Special Weather Statement | CTP | 29 min |
| Jun 9, 3:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 5:26 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 10, 3:39 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 10, 1:37 PM EDT | Flash Flood Watch | CTP | 9 hr |
| Jun 10, 1:40 PM EDT | Areal Flood Advisory | CTP | 65 min |
| Jun 12, 4:18 AM EDT | Flash Flood Watch | CTP | 20 hr |
| Jun 13, 11:48 AM EDT | Flash Flood Watch | CTP | 10 hr |
| Jun 13, 12:06 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 13, 12:14 PM EDT | Special Weather Statement | CTP | 46 min |
| Jun 13, 12:18 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Jun 13, 4:42 PM EDT | Special Weather Statement | CTP | 33 min |
| Jun 13, 5:08 PM EDT | River Flood Warning | CTP | 19 hr |
| Jun 13, 7:33 PM EDT | Special Weather Statement | CTP | 27 min |
| Jun 18, 9:37 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 11:10 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Jun 19, 12:18 AM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 25, 1:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 5:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 6:52 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 25, 7:54 PM EDT | Special Weather Statement | CTP | 36 min |
| Jun 25, 8:41 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 25, 8:51 PM EDT | Special Weather Statement | CTP | 39 min |
| Jul 2, 10:28 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 2, 11:14 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 4:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 3, 3:10 AM EDT | Flash Flood Watch | CTP | 26 hr |
| Jul 3, 11:57 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 3, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 3, 3:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 3, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Jul 8, 4:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 8, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 8, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | 90 min |
| Jul 8, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 9, 3:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 9, 4:12 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 10, 7:24 PM EDT | Special Weather Statement | CTP | 36 min |
| Jul 10, 7:59 PM EDT | Special Weather Statement | CTP | 46 min |
| Jul 12, 5:48 PM EDT | Special Weather Statement | CTP | 27 min |
| Jul 12, 6:07 PM EDT | Special Weather Statement | CTP | 38 min |
| Jul 13, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 5:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 13, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | 80 min |
| Jul 13, 8:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 13, 8:53 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 13, 8:59 PM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Jul 14, 3:42 AM EDT | Flash Flood Watch | CTP | 17 hr |
| Jul 14, 1:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 14, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 14, 4:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 14, 5:40 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 14, 6:51 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Jul 15, 1:43 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 15, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 23, 5:44 PM EDT | Special Weather Statement | CTP | 31 min |
| Jul 23, 6:34 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 23, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | 47 min |
| Jul 23, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | 55 min |
| Jul 27, 6:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 27, 6:39 PM EDT | Severe Thunderstorm Warning | CTP | 51 min |
| Jul 27, 6:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 7:07 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 27, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | 69 min |
| Jul 27, 7:50 PM EDT | Severe Thunderstorm Warning | CTP | 55 min |
| Jul 27, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | 79 min |
| Jul 27, 8:57 PM EDT | Special Weather Statement | CTP | 18 min |
| Jul 27, 9:18 PM EDT | Special Weather Statement | CTP | 27 min |
| Jul 27, 9:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 27, 11:27 PM EDT | Special Weather Statement | CTP | 63 min |
| Aug 1, 1:46 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 3, 4:22 PM EDT | Special Weather Statement | CTP | 23 min |
| Aug 3, 4:48 PM EDT | Special Weather Statement | CTP | 27 min |
| Aug 5, 9:17 PM EDT | Special Weather Statement | CTP | 58 min |
| Aug 12, 7:10 PM EDT | Special Weather Statement | CTP | 20 min |
| Aug 12, 10:52 PM EDT | Flash Flood Watch | CTP | 5 hr |
| Aug 21, 3:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Aug 21, 6:05 PM EDT | Special Weather Statement | CTP | 40 min |
| Aug 21, 6:15 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 21, 7:19 PM EDT | Special Weather Statement | CTP | 26 min |
| Aug 21, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | 26 min |
| Aug 31, 1:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 2, 4:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 2, 4:16 PM EDT | Special Weather Statement | CTP | 59 min |
| Sep 2, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 5:00 PM EDT | Special Weather Statement | CTP | 30 min |
| Sep 2, 5:26 PM EDT | Severe Thunderstorm Warning | CTP | 64 min |
| Sep 5, 4:17 PM EDT | Special Weather Statement | CTP | 28 min |
| Sep 5, 4:19 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Sep 5, 4:28 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Sep 5, 4:41 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Sep 6, 1:49 PM EDT | Special Weather Statement | CTP | 41 min |
| Sep 6, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 6, 2:12 PM EDT | Special Weather Statement | CTP | 48 min |
| Sep 6, 4:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Sep 6, 6:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Sep 26, 4:17 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Sep 30, 3:23 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Oct 15, 1:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 15, 2:25 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Oct 15, 4:19 PM EDT | Areal Flood Advisory | CTP | 6 hr |
| Oct 19, 5:13 AM EDT | Frost Advisory | CTP | 27 hr |
| Oct 26, 12:47 PM EDT | Frost Advisory | CTP | 20 hr |
| Nov 2, 2:10 AM EST | Freeze Warning | CTP | 30 hr |
| Nov 13, 3:59 PM EST | Special Weather Statement | CTP | 61 min |
| Nov 24, 3:55 PM EST | Winter Storm Watch | CTP | 23 hr |
| Nov 25, 2:55 PM EST | Winter Storm Warning | CTP | 28 hr |
| Nov 26, 11:50 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 1, 11:42 AM EST | Winter Weather Advisory | CTP | 37 hr |
| Dec 2, 5:20 PM EST | Special Weather Statement | CTP | 55 min |
| Dec 2, 7:03 PM EST | Special Weather Statement | CTP | 72 min |
| Dec 8, 3:43 PM EST | Winter Weather Advisory | CTP | 43 hr |
| Dec 22, 11:11 AM EST | Freezing Rain Advisory | CTP | 20 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.