Alert archive / Pennsylvania / Union County
Weather alerts in Union County, Pennsylvania, 2020
107 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 107
- Warnings
- 28
- Watches
- 15
- Advisories
- 19
- Busiest month
- June18 alerts
- Busiest day
- June 3, 20209 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 8, 5:52 AM EST | Snow Squall Warning | CTP | 53 min |
| Jan 8, 6:44 AM EST | Snow Squall Warning | CTP | 46 min |
| Jan 8, 6:48 AM EST | Snow Squall Warning | CTP | 42 min |
| Jan 8, 7:41 AM EST | Snow Squall Warning | CTP | 34 min |
| Jan 8, 8:06 AM EST | Special Weather Statement | CTP | 54 min |
| Jan 11, 4:07 AM EST | High Wind Watch | CTP | 10 hr |
| Jan 11, 4:07 AM EST | Wind Advisory | CTP | 30 hr |
| Jan 15, 2:23 PM EST | Wind Advisory | CTP | 29 hr |
| Jan 16, 4:30 PM EST | Special Weather Statement | CTP | 45 min |
| Jan 17, 3:01 PM EST | Winter Weather Advisory | CTP | 30 hr |
| Jan 18, 11:53 AM EST | Special Weather Statement | CTP | 82 min |
| Feb 5, 3:41 AM EST | Winter Weather Advisory | CTP | 30 hr |
| Feb 26, 3:40 AM EST | Wind Advisory | CTP | 40 hr |
| Feb 27, 10:07 PM EST | Special Weather Statement | CTP | 68 min |
| Feb 27, 11:26 PM EST | Special Weather Statement | CTP | 2 hr |
| Feb 29, 10:05 AM EST | Special Weather Statement | CTP | 55 min |
| Mar 3, 4:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 3, 6:47 PM EST | Special Weather Statement | CTP | 43 min |
| Mar 3, 10:52 PM EST | Mesoscale Discussion | SPC | 113 min |
| Mar 20, 3:43 PM EDT | Special Weather Statement | CTP | 47 min |
| Mar 20, 4:08 PM EDT | Special Weather Statement | CTP | 67 min |
| Mar 23, 1:33 PM EDT | Special Weather Statement | CTP | 72 min |
| Mar 23, 2:50 PM EDT | Special Weather Statement | CTP | 85 min |
| Mar 30, 12:39 AM EDT | Dense Fog Advisory | CTP | 7 hr |
| Apr 7, 10:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 9:57 AM EDT | Special Weather Statement | CTP | 48 min |
| Apr 9, 11:09 AM EDT | Special Weather Statement | CTP | 36 min |
| Apr 9, 11:44 AM EDT | Special Weather Statement | CTP | 46 min |
| Apr 12, 12:43 PM EDT | Wind Advisory | CTP | 31 hr |
| Apr 13, 10:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 13, 11:33 AM EDT | Tornado Watch | SPC | 5 hr |
| Apr 13, 1:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 13, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | 41 min |
| Apr 16, 12:41 PM EDT | Special Weather Statement | CTP | 64 min |
| Apr 16, 2:55 PM EDT | Special Weather Statement | CTP | 110 min |
| Apr 21, 4:18 AM EDT | Freeze Warning | CTP | 29 hr |
| Apr 29, 3:33 AM EDT | Flood Watch | CTP | 50 hr |
| Apr 30, 10:59 AM EDT | Areal Flood Advisory | CTP | 6 hr |
| Apr 30, 2:12 PM EDT | Areal Flood Warning | CTP | 6 hr |
| Apr 30, 7:02 PM EDT | River Flood Warning | CTP | 19 hr |
| Apr 30, 8:06 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 7, 1:44 PM EDT | Freeze Warning | CTP | 44 hr |
| May 9, 5:04 AM EDT | Freeze Warning | CTP | 27 hr |
| May 10, 1:35 PM EDT | Freeze Watch | CTP | 13 hr |
| May 11, 2:58 AM EDT | Freeze Warning | CTP | 30 hr |
| May 11, 3:09 PM EDT | Freeze Watch | CTP | 19 hr |
| May 12, 10:20 AM EDT | Freeze Warning | CTP | 22 hr |
| May 20, 1:14 PM EDT | Frost Advisory | CTP | 18 hr |
| May 28, 9:02 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 29, 12:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 29, 2:25 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 29, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 3, 8:32 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 3, 10:08 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 3, 10:17 AM EDT | Special Weather Statement | CTP | 43 min |
| Jun 3, 3:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 3:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 4:01 PM EDT | Special Weather Statement | CTP | 44 min |
| Jun 3, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | 64 min |
| Jun 3, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | 47 min |
| Jun 3, 4:49 PM EDT | Severe Thunderstorm Warning | CTP | 41 min |
| Jun 4, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 4, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 4, 6:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 10, 1:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 2:21 PM EDT | Special Weather Statement | CTP | 24 min |
| Jun 10, 2:49 PM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| Jun 11, 2:37 AM EDT | Special Weather Statement | CTP | 53 min |
| Jun 22, 1:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 5:12 PM EDT | Special Weather Statement | CTP | 33 min |
| Jul 6, 4:43 PM EDT | Special Weather Statement | CTP | 32 min |
| Jul 8, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | 51 min |
| Jul 8, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | 62 min |
| Jul 19, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 19, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | 27 min |
| Jul 22, 12:01 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 7, 8:08 AM EDT | Severe Thunderstorm Warning | CTP | 67 min |
| Aug 7, 10:06 AM EDT | Flash Flood Watch | CTP | 9 hr |
| Aug 7, 11:04 AM EDT | Areal Flood Advisory | CTP | 2 hr |
| Aug 24, 12:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 27, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 27, 6:11 PM EDT | Special Weather Statement | CTP | 34 min |
| Aug 27, 6:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 27, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | 43 min |
| Aug 27, 6:40 PM EDT | Special Weather Statement | CTP | 35 min |
| Aug 29, 3:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 4:27 PM EDT | Special Weather Statement | CTP | 63 min |
| Sep 19, 12:53 PM EDT | Frost Advisory | CTP | 20 hr |
| Sep 20, 11:59 AM EDT | Frost Advisory | CTP | 21 hr |
| Sep 21, 1:35 PM EDT | Frost Advisory | CTP | 19 hr |
| Oct 16, 2:44 PM EDT | Frost Advisory | CTP | 17 hr |
| Oct 21, 4:01 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Nov 1, 9:59 PM EST | Wind Advisory | CTP | 14 hr |
| Nov 14, 2:11 PM EST | Wind Advisory | CTP | 32 hr |
| Dec 14, 4:44 AM EST | Winter Storm Watch | CTP | 34 hr |
| Dec 15, 4:30 AM EST | Winter Storm Warning | CTP | 51 hr |
| Dec 16, 1:57 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 16, 5:42 PM EST | Special Weather Statement | CTP | 33 min |
| Dec 22, 3:09 PM EST | Flood Watch | CTP | 69 hr |
| Dec 23, 1:28 PM EST | River Flood Warning | CTP | 4 days |
| Dec 23, 11:51 PM EST | River Flood Warning | CTP | 21 days |
| Dec 24, 5:31 PM EST | River Flood Warning | CTP | 28 hr |
| Dec 24, 5:31 PM EST | River Flood Warning | CTP | 50 hr |
| Dec 25, 3:50 PM EST | River Flood Warning | CTP | 13 hr |
| Dec 25, 3:50 PM EST | River Flood Warning | CTP | 13 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 | 10 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 26 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 7 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 4 |
| Winter | |
| Snow Squall Warning | 4 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 2 |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.