Alert archive / Maryland / Frederick County
Weather alerts in Frederick County, Maryland, 2004
93 weather alerts in 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Frederick County and its neighbors
Each county as a circle sized by its count in 2004. Tap one for its archive.
- Alerts
- 93
- Warnings
- 25
- Watches
- 20
- Advisories
- 0
- Busiest month
- May29 alerts
- Busiest day
- September 17, 20047 alerts
Over time
By month
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 |
|---|---|---|---|
| Jan 17, 8:40 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 6:06 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 27, 10:01 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 3, 4:28 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 5, 4:41 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 12:04 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 8:03 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Apr 23, 2:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 23, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 23, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| May 2, 1:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 2, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 2, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 2, 8:25 PM EDT | Severe Thunderstorm Warning | LWX | 80 min |
| May 5, 1:48 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 10:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| May 7, 11:00 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 7, 4:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 7, 6:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| May 9, 12:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 9, 8:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| May 15, 8:27 PM EDT | Tornado Warning | LWX | 18 min |
| May 17, 8:39 PM EDT | Severe Thunderstorm Warning | LWX | 66 min |
| May 18, 7:25 PM EDT | Severe Thunderstorm Warning | LWX | 65 min |
| May 18, 7:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 2:52 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 21, 8:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| May 21, 5:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 21, 6:35 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 21, 9:51 PM EDT | Severe Thunderstorm Warning | LWX | 69 min |
| May 25, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 25, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | 59 min |
| May 25, 5:51 PM EDT | Tornado Warning | LWX | 54 min |
| May 25, 6:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | 46 min |
| May 26, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 27, 3:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 27, 9:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 1, 11:11 AM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 1, 11:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 1, 1:50 PM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| Jun 1, 4:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 10, 1:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 10, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 10, 4:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 14, 4:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 5:14 PM EDT | Flash Flood Warning | LWX | 4 hr |
| Jun 14, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Jun 14, 6:12 PM EDT | Tornado Warning | LWX | 48 min |
| Jun 14, 7:15 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 15, 4:33 PM EDT | Severe Thunderstorm Warning | LWX | 57 min |
| Jun 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 17, 4:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 17, 7:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 1:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 12:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 4:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 25, 1:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 4:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 11:50 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 5, 4:54 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Jul 7, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 7, 1:25 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| Jul 7, 2:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 12, 2:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 12:50 PM EDT | Tornado Watch | SPC | 6 hr |
| Jul 14, 2:27 PM EDT | Severe Thunderstorm Warning | LWX | 63 min |
| Jul 14, 3:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 22, 3:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 4, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 4, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | 54 min |
| Aug 11, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 19, 6:10 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 19, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | 32 min |
| Aug 19, 8:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Aug 20, 4:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 6:40 PM EDT | Tornado Watch | SPC | 5 hr |
| Sep 8, 8:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 17, 3:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 17, 3:50 PM EDT | Tornado Watch | SPC | 4 hr |
| Sep 17, 5:57 PM EDT | Tornado Warning | LWX | 63 min |
| Sep 17, 6:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 17, 6:46 PM EDT | Tornado Warning | LWX | 59 min |
| Sep 17, 6:50 PM EDT | Tornado Watch | SPC | 5 hr |
| Sep 17, 7:42 PM EDT | Tornado Warning | LWX | 33 min |
| Sep 17, 9:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 28, 1:59 PM EDT | Flash Flood Warning | LWX | 4 hr |
| Sep 28, 5:54 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Oct 15, 3:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 25, 7:12 AM EST | Mesoscale Discussion | SPC | 63 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 | 16 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 16 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 48 |
| Flooding | |
| Flash Flood Warning | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20032005
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. Rebuilt daily.