Alert archive / Pennsylvania / Union County / 2009
Weather alerts in Union County, Pennsylvania, August 2009
22 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
- 22
- Warnings
- 3
- Watches
- 4
- Advisories
- 6
- Busiest day
- August 9, 20096 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 2, 2:29 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 2, 5:08 AM EDT | Flash Flood Watch | CTP | 10 hr |
| 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, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | 43 min |
| Aug 9, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Aug 9, 7:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 10:44 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 9, 10:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| 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, 6:37 PM EDT | Special Weather Statement | CTP | 53 min |
| Aug 12, 12:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 12, 5:46 PM EDT | Special Weather Statement | CTP | 29 min |
| 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, 2:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 18, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | 55 min |
| Aug 19, 1:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 19, 3:47 PM EDT | Areal Flood Advisory | CTP | 3 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 | 3 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 2 |
| Flooding | |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| 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.