Alert archive / Maryland / Frederick County / 2009
Weather alerts in Frederick County, Maryland, June 2009
29 weather alerts in June 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 29
- Warnings
- 10
- Watches
- 9
- Advisories
- 0
- Busiest day
- June 26, 20098 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 |
|---|---|---|---|
| Jun 2, 1:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 2, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 4:39 AM EDT | Flash Flood Watch | LWX | 20 hr |
| Jun 3, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 3, 7:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 4, 4:28 AM EDT | Flood Watch | LWX | 38 hr |
| Jun 9, 1:18 PM EDT | Flash Flood Watch | LWX | 7 hr |
| Jun 9, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Jun 9, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Jun 9, 4:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 9, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Jun 10, 1:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Jun 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Jun 11, 3:58 AM EDT | Flash Flood Watch | LWX | 24 hr |
| Jun 11, 11:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 11, 1:59 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 13, 8:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 20, 1:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 26, 2:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 26, 2:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 3:30 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jun 26, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | LWX | 35 min |
| Jun 26, 5:02 PM EDT | Severe Thunderstorm Warning | LWX | 43 min |
| Jun 26, 6:01 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| Jun 26, 7:33 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 26, 9:11 PM EDT | Mesoscale Discussion | SPC | 64 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 | 10 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 10 |
| Flooding | |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
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.