Alert archive / Maryland / Frederick County / 2010
Weather alerts in Frederick County, Maryland, April 2010
34 weather alerts in April 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 34
- Warnings
- 15
- Watches
- 2
- Advisories
- 4
- Busiest day
- April 25, 201012 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 |
|---|---|---|---|
| Apr 7, 9:57 AM EDT | Red Flag Warning | LWX | 9 hr |
| Apr 8, 5:17 PM EDT | Special Weather Statement | LWX | 43 min |
| Apr 8, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Apr 8, 6:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 14, 12:00 AM EDT | Dense Fog Advisory | LWX | 10 hr |
| Apr 16, 1:32 PM EDT | Red Flag Warning | LWX | 6 hr |
| Apr 16, 3:44 PM EDT | Special Weather Statement | LWX | 61 min |
| Apr 16, 4:17 PM EDT | Special Weather Statement | LWX | 58 min |
| Apr 16, 4:28 PM EDT | Severe Thunderstorm Warning | LWX | 32 min |
| Apr 16, 4:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 16, 6:16 PM EDT | Special Weather Statement | LWX | 74 min |
| Apr 16, 6:20 PM EDT | Special Weather Statement | LWX | 70 min |
| Apr 16, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | 30 min |
| Apr 16, 8:05 PM EDT | Special Weather Statement | LWX | 70 min |
| Apr 18, 8:59 AM EDT | Freeze Watch | LWX | 5 hr |
| Apr 22, 12:37 AM EDT | Dense Fog Advisory | LWX | 8 hr |
| Apr 25, 10:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 4:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 25, 5:33 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Apr 25, 5:39 PM EDT | Tornado Warning | LWX | 36 min |
| Apr 25, 6:10 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| Apr 25, 6:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 25, 6:30 PM EDT | Areal Flood Warning | LWX | 3 hr |
| Apr 25, 7:01 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Apr 25, 7:04 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Apr 25, 7:19 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Apr 25, 7:31 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| Apr 25, 7:54 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Apr 25, 8:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 8:58 PM EDT | Special Weather Statement | LWX | 32 min |
| Apr 25, 9:11 PM EDT | Special Weather Statement | LWX | 34 min |
| Apr 25, 9:59 PM EDT | Flash Flood Warning | LWX | 46 min |
| Apr 27, 1:50 PM EDT | Frost Advisory | LWX | 16 hr |
| Apr 28, 2:05 PM EDT | Frost Advisory | LWX | 19 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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Cold | |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.