Alert archive / Maryland / Frederick County / 2011
Weather alerts in Frederick County, Maryland, July 2011
35 weather alerts in July 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 35
- Warnings
- 14
- Watches
- 5
- Advisories
- 2
- Busiest day
- July 11, 20117 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 |
|---|---|---|---|
| Jul 2, 7:11 PM EDT | Special Weather Statement | LWX | 49 min |
| Jul 3, 2:41 AM EDT | Special Weather Statement | LWX | 34 min |
| Jul 3, 3:14 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Jul 3, 3:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 3, 4:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 3, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Jul 7, 3:14 PM EDT | Flash Flood Watch | LWX | 29 hr |
| Jul 7, 7:15 PM EDT | Special Weather Statement | LWX | 30 min |
| Jul 8, 11:44 AM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 8, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 3:01 PM EDT | Special Weather Statement | LWX | 89 min |
| Jul 8, 3:24 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jul 8, 3:33 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jul 8, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 5:47 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 11, 6:58 PM EDT | Special Weather Statement | LWX | 32 min |
| Jul 11, 7:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 11, 7:10 PM EDT | Severe Thunderstorm Warning | LWX | 35 min |
| Jul 11, 7:34 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Jul 11, 7:42 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Jul 11, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 13, 1:43 PM EDT | Special Weather Statement | LWX | 32 min |
| Jul 19, 12:12 PM EDT | Excessive Heat Watch | LWX | 27 hr |
| Jul 19, 6:00 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jul 20, 3:19 PM EDT | Excessive Heat Warning | LWX | 31 hr |
| Jul 20, 3:19 PM EDT | Excessive Heat Warning | LWX | 54 hr |
| Jul 21, 3:38 PM EDT | Excessive Heat Warning | LWX | 52 hr |
| Jul 22, 2:07 PM EDT | Severe Thunderstorm Warning | LWX | 38 min |
| Jul 22, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jul 22, 3:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 22, 3:28 PM EDT | Special Weather Statement | LWX | 32 min |
| Jul 23, 3:29 PM EDT | Heat Advisory | LWX | 29 hr |
| Jul 25, 1:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 12:53 PM EDT | Heat Advisory | LWX | 31 hr |
| Jul 29, 6:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
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 | 8 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.