Alert archive / Maryland / Charles County
Weather alerts in Charles County, Maryland, 2025
163 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Charles County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 163
- Warnings
- 45
- Watches
- 30
- Advisories
- 48
- Busiest month
- June39 alerts
- Busiest day
- July 1, 20257 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Charles County in 2025 had a tornado report inside them.
Charles County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 27 | 19 | 30% | 10 | 90% | 18 min |
| Flash flood warnings | 2 | 2 | 0% | 5 | 20% | 123 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 35 | 4 | 89% | 7 | 71% | 4 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 379 | 272 | 28% | 989 | 84% | 19 min |
| NWS Baltimore/Washington: flash flood warnings | 143 | 91 | 36% | 251 | 93% | 66 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 3, 3:47 PM EST | Snow Squall Warning | LWX | 32 min |
| Jan 4, 3:28 AM EST | Winter Storm Watch | LWX | 24 hr |
| Jan 4, 3:54 PM EST | Winter Storm Warning | LWX | 62 hr |
| Jan 6, 2:12 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 9, 1:18 PM EST | Winter Weather Advisory | LWX | 54 hr |
| Jan 20, 1:42 PM EST | Cold Weather Advisory | LWX | 45 hr |
| Feb 4, 2:49 PM EST | Winter Weather Advisory | LWX | 45 hr |
| Feb 9, 3:09 PM EST | Winter Storm Watch | LWX | 24 hr |
| Feb 10, 2:48 AM EST | Winter Storm Warning | LWX | 52 hr |
| Feb 11, 2:49 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 15, 2:05 AM EST | High Wind Watch | LWX | 19 hr |
| Feb 15, 3:07 PM EST | Wind Advisory | LWX | 46 hr |
| Feb 15, 8:41 PM EST | High Wind Warning | LWX | 31 hr |
| Feb 16, 12:55 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 18, 3:40 AM EST | Winter Weather Advisory | LWX | 43 hr |
| Feb 19, 12:39 PM EST | Winter Weather Advisory | LWX | 47 hr |
| Mar 1, 3:05 AM EST | Red Flag Warning | LWX | 16 hr |
| Mar 4, 2:34 AM EST | Wind Advisory | LWX | 36 hr |
| Mar 5, 10:27 AM EST | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 5, 1:02 PM EST | Mesoscale Discussion | SPC | 88 min |
| Mar 5, 1:06 PM EST | Severe Thunderstorm Warning | LWX | 24 min |
| Mar 5, 1:12 PM EST | Wind Advisory | LWX | 36 hr |
| Mar 6, 9:31 AM EST | Wind Advisory | LWX | 14 hr |
| Mar 16, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Mar 16, 6:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Mar 31, 2:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 6:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 31, 8:38 PM EDT | Severe Thunderstorm Warning | LWX | 37 min |
| Apr 8, 3:38 AM EDT | Freeze Warning | LWX | 29 hr |
| Apr 14, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Apr 26, 2:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 5, 5:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 5:44 PM EDT | Severe Thunderstorm Warning | LWX | 46 min |
| May 5, 6:01 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 5, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | 25 min |
| May 5, 6:27 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| May 13, 8:25 PM EDT | Coastal Flood Advisory | LWX | 18 hr |
| May 16, 2:32 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 4:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 5:10 PM EDT | Severe Thunderstorm Warning | LWX | 35 min |
| May 16, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| May 16, 5:43 PM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| May 21, 12:33 AM EDT | Coastal Flood Advisory | LWX | 30 hr |
| May 22, 7:59 AM EDT | Coastal Flood Advisory | LWX | 10 hr |
| May 22, 7:28 PM EDT | Coastal Flood Advisory | LWX | 10 hr |
| May 28, 2:25 PM EDT | Coastal Flood Advisory | LWX | 4 hr |
| May 29, 8:31 PM EDT | Flood Watch | LWX | 27 hr |
| May 30, 3:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| May 30, 5:01 PM EDT | Tornado Watch | SPC | 7 hr |
| May 30, 6:47 PM EDT | Severe Thunderstorm Warning | LWX | 32 min |
| May 30, 6:51 PM EDT | Tornado Warning | LWX | 24 min |
| May 30, 7:49 PM EDT | Tornado Warning | LWX | 26 min |
| May 30, 8:40 PM EDT | Wind Advisory | LWX | 9 hr |
| May 31, 11:52 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 8, 2:26 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 8, 4:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 8, 7:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 13, 3:45 AM EDT | Flood Watch | LWX | 20 hr |
| Jun 13, 4:43 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 14, 2:12 AM EDT | Flood Watch | LWX | 21 hr |
| Jun 14, 8:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 15, 7:01 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jun 15, 7:05 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jun 15, 9:48 PM EDT | Areal Flood Warning | LWX | 6 hr |
| Jun 15, 9:52 PM EDT | Areal Flood Warning | LWX | 6 hr |
| Jun 15, 10:02 PM EDT | Areal Flood Warning | LWX | 10 hr |
| Jun 16, 6:48 AM EDT | Coastal Flood Advisory | LWX | 113 min |
| Jun 18, 12:01 PM EDT | Flood Watch | LWX | 7 hr |
| Jun 18, 12:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 19, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 19, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 19, 3:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 19, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | 25 min |
| Jun 19, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | 63 min |
| Jun 19, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| Jun 21, 2:44 PM EDT | Extreme Heat Watch | LWX | 24 hr |
| Jun 22, 2:21 PM EDT | Extreme Heat Watch | LWX | 19 hr |
| Jun 22, 2:21 PM EDT | Extreme Heat Warning | LWX | 31 hr |
| Jun 23, 9:37 AM EDT | Extreme Heat Warning | LWX | 35 hr |
| Jun 23, 8:53 PM EDT | Extreme Heat Watch | LWX | 17 hr |
| Jun 24, 2:06 PM EDT | Heat Advisory | LWX | 27 hr |
| Jun 25, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 25, 1:51 PM EDT | Heat Advisory | LWX | 29 hr |
| Jun 25, 4:01 PM EDT | Severe Thunderstorm Warning | LWX | 29 min |
| Jun 25, 5:06 PM EDT | Severe Thunderstorm Warning | LWX | 24 min |
| Jun 25, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | 34 min |
| Jun 26, 11:25 AM EDT | Flood Watch | LWX | 13 hr |
| Jun 26, 1:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 10:15 PM EDT | Severe Thunderstorm Warning | LWX | 30 min |
| Jun 26, 11:41 PM EDT | Severe Thunderstorm Warning | LWX | 37 min |
| Jun 29, 1:07 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 11:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 1, 3:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 1, 5:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 6:04 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Jul 1, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | 46 min |
| Jul 1, 7:23 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Jul 7, 12:31 PM EDT | Heat Advisory | LWX | 30 hr |
| Jul 8, 1:57 AM EDT | Flood Watch | LWX | 19 hr |
| Jul 8, 12:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 8, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 3:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 8, 6:04 PM EDT | Severe Thunderstorm Warning | LWX | 17 min |
| Jul 8, 6:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 8, 8:44 PM EDT | Flood Watch | LWX | 24 hr |
| Jul 9, 12:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 9, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 3:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 9, 6:08 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 13, 11:37 AM EDT | Flood Watch | LWX | 10 hr |
| Jul 14, 2:36 AM EDT | Flood Watch | LWX | 20 hr |
| Jul 14, 2:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 6:32 PM EDT | Severe Thunderstorm Warning | LWX | 43 min |
| Jul 14, 8:11 PM EDT | Severe Thunderstorm Warning | LWX | 64 min |
| Jul 16, 4:39 PM EDT | Heat Advisory | LWX | 27 hr |
| Jul 18, 3:32 AM EDT | Flood Watch | LWX | 20 hr |
| Jul 19, 1:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 8:20 PM EDT | Severe Thunderstorm Warning | LWX | 25 min |
| Jul 24, 1:23 AM EDT | Heat Advisory | LWX | 43 hr |
| Jul 26, 2:41 PM EDT | Heat Advisory | LWX | 26 hr |
| Jul 27, 1:31 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 27, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 27, 2:58 PM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| Jul 29, 1:53 PM EDT | Heat Advisory | LWX | 29 hr |
| Jul 30, 2:43 PM EDT | Flood Watch | LWX | 28 hr |
| Jul 31, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 31, 4:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 19, 1:51 PM EDT | Coastal Flood Advisory | LWX | 18 hr |
| Aug 20, 2:18 PM EDT | Coastal Flood Advisory | LWX | 15 hr |
| Aug 21, 9:48 AM EDT | Coastal Flood Advisory | LWX | 4 days |
| Sep 4, 9:05 AM EDT | Coastal Flood Advisory | LWX | 26 hr |
| Sep 4, 1:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 5:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Sep 6, 1:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 3:22 PM EDT | Coastal Flood Advisory | LWX | 4 hr |
| Sep 11, 11:15 AM EDT | Coastal Flood Advisory | LWX | 16 hr |
| Sep 16, 5:54 PM EDT | Coastal Flood Advisory | LWX | 3 hr |
| Sep 17, 8:38 PM EDT | Coastal Flood Advisory | LWX | 8 hr |
| Sep 21, 12:15 PM EDT | Coastal Flood Advisory | LWX | 31 hr |
| Oct 1, 8:42 AM EDT | Coastal Flood Advisory | LWX | 46 hr |
| Oct 10, 4:15 AM EDT | Coastal Flood Advisory | LWX | 20 hr |
| Oct 11, 5:17 AM EDT | Coastal Flood Advisory | LWX | 49 hr |
| Oct 11, 10:58 PM EDT | Coastal Flood Advisory | LWX | 32 hr |
| Oct 18, 9:13 AM EDT | Coastal Flood Advisory | LWX | 49 hr |
| Oct 19, 7:59 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 24, 12:19 PM EDT | Frost Advisory | LWX | 21 hr |
| Oct 28, 1:00 PM EDT | Coastal Flood Advisory | LWX | 22 hr |
| Oct 28, 8:58 PM EDT | Coastal Flood Warning | LWX | 58 hr |
| Oct 29, 10:48 AM EDT | Coastal Flood Advisory | LWX | 37 hr |
| Oct 29, 10:48 AM EDT | Coastal Flood Advisory | LWX | 45 hr |
| Nov 6, 12:05 PM EST | Frost Advisory | LWX | 20 hr |
| Nov 7, 12:10 AM EST | Freeze Warning | LWX | 8 hr |
| Nov 15, 12:14 PM EST | Fire Weather Watch | LWX | 12 hr |
| Nov 16, 12:05 AM EST | Red Flag Warning | LWX | 18 hr |
| Dec 4, 1:56 AM EST | Winter Weather Advisory | LWX | 34 hr |
| Dec 5, 12:48 PM EST | Winter Weather Advisory | LWX | 18 hr |
| Dec 6, 7:15 PM EST | Freezing Fog Advisory | LWX | 17 hr |
| Dec 12, 12:57 PM EST | Winter Weather Advisory | LWX | 54 hr |
| Dec 18, 1:47 AM EST | Wind Advisory | LWX | 47 hr |
| Dec 28, 12:11 PM EST | Wind Advisory | LWX | 52 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 | 27 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 40 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| Flood Watch | 11 |
| Winter | |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 7 |
| Heat | |
| Extreme Heat Warning | 2 |
| Extreme Heat Watch | 3 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 2 |
| Cold Weather Advisory | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Freezing Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Advisory | 23 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.