Alert archive / Pennsylvania / Montgomery County / 2018
Weather alerts in Montgomery County, Pennsylvania, August 2018
46 weather alerts in August 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 46
- Warnings
- 21
- Watches
- 3
- Advisories
- 16
- Busiest day
- August 13, 201811 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, 10:40 PM EDT | Severe Thunderstorm Warning | PHI | 37 min |
| Aug 2, 11:46 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 3, 5:45 PM EDT | Special Weather Statement | PHI | 60 min |
| Aug 4, 5:45 AM EDT | Areal Flood Advisory | PHI | 7 hr |
| Aug 4, 6:55 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 4, 8:48 AM EDT | Areal Flood Warning | PHI | 4 hr |
| Aug 4, 9:20 AM EDT | River Flood Warning | PHI | 3 hr |
| Aug 4, 11:55 AM EDT | River Flood Warning | PHI | 12 hr |
| Aug 5, 3:05 PM EDT | Heat Advisory | PHI | 27 hr |
| Aug 7, 12:19 PM EDT | Heat Advisory | PHI | 6 hr |
| Aug 7, 3:31 PM EDT | Heat Advisory | PHI | 26 hr |
| Aug 11, 3:24 AM EDT | Flash Flood Watch | PHI | 20 hr |
| Aug 11, 1:20 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 11, 1:33 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 11, 1:51 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Aug 11, 3:50 PM EDT | Areal Flood Advisory | PHI | 115 min |
| Aug 11, 4:47 PM EDT | Special Weather Statement | PHI | 28 min |
| Aug 11, 5:58 PM EDT | Areal Flood Advisory | PHI | 5 hr |
| Aug 12, 10:08 PM EDT | Flash Flood Watch | PHI | 24 hr |
| Aug 13, 6:24 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 13, 6:50 AM EDT | Flash Flood Warning | PHI | 6 hr |
| Aug 13, 8:03 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 13, 8:43 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | 23 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | 28 hr |
| Aug 13, 12:14 PM EDT | River Flood Warning | PHI | 52 hr |
| Aug 13, 12:37 PM EDT | Areal Flood Warning | PHI | 18 hr |
| Aug 13, 3:07 PM EDT | River Flood Warning | PHI | 6 hr |
| Aug 13, 5:09 PM EDT | River Flood Warning | PHI | 31 hr |
| Aug 13, 8:13 PM EDT | Special Weather Statement | PHI | 32 min |
| Aug 13, 8:16 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 13, 8:51 PM EDT | Severe Thunderstorm Warning | PHI | 54 min |
| Aug 13, 9:00 PM EDT | Severe Thunderstorm Warning | PHI | 60 min |
| Aug 14, 3:58 PM EDT | Special Weather Statement | PHI | 47 min |
| Aug 17, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Aug 17, 7:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 18, 3:16 AM EDT | Flash Flood Watch | PHI | 20 hr |
| Aug 19, 10:00 AM EDT | Areal Flood Advisory | PHI | 110 min |
| Aug 21, 8:53 PM EDT | Areal Flood Advisory | PHI | 5 hr |
| Aug 21, 10:16 PM EDT | Flash Flood Warning | PHI | 7 hr |
| Aug 21, 11:18 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 22, 4:36 AM EDT | River Flood Warning | PHI | 6 hr |
| Aug 22, 5:14 AM EDT | Areal Flood Warning | PHI | 4 hr |
| Aug 22, 10:04 AM EDT | River Flood Warning | PHI | 5 hr |
| Aug 27, 2:58 AM EDT | Heat Advisory | PHI | 65 hr |
| Aug 31, 1:54 PM EDT | Areal Flood Advisory | PHI | 4 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 | 5 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 4 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 4 |
| River Flood Warning | 9 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 12 |
| Heat | |
| Heat Advisory | 4 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.