Alert archive / Maryland / Frederick County / 2018
Weather alerts in Frederick County, Maryland, April 2018
14 weather alerts in April 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 14
- Warnings
- 4
- Watches
- 6
- Advisories
- 4
- Busiest day
- April 17, 20183 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 1, 4:01 AM EDT | Winter Weather Advisory | LWX | 27 hr |
| Apr 3, 5:33 PM EDT | Wind Advisory | LWX | 25 hr |
| Apr 16, 4:29 AM EDT | Freeze Watch | LWX | 12 hr |
| Apr 16, 10:27 PM EDT | River Flood Watch | LWX | 11 hr |
| Apr 17, 4:08 AM EDT | Freeze Watch | LWX | 9 hr |
| Apr 17, 1:24 PM EDT | Freeze Warning | LWX | 19 hr |
| Apr 19, 4:27 AM EDT | Freeze Watch | LWX | 10 hr |
| Apr 19, 2:22 PM EDT | Freeze Warning | LWX | 18 hr |
| Apr 20, 4:16 AM EDT | Freeze Watch | LWX | 10 hr |
| Apr 20, 2:28 PM EDT | Freeze Warning | LWX | 19 hr |
| Apr 28, 5:21 AM EDT | Dense Fog Advisory | LWX | 5 hr |
| Apr 29, 3:15 PM EDT | Frost Advisory | LWX | 17 hr |
| Apr 29, 3:18 PM EDT | Fire Weather Watch | LWX | 12 hr |
| Apr 30, 3:32 AM EDT | Red Flag Warning | LWX | 16 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| River Flood Watch | 1 |
| Winter | |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 4 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.