Alert archive / Maryland / Garrett County
Weather alerts in Garrett County, Maryland, 2023
37 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Garrett County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 37
- Warnings
- 18
- Watches
- 5
- Advisories
- 0
- Busiest month
- August14 alerts
- Busiest day
- August 7, 20236 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 1 tornado warnings covering Garrett County in 2023 had a tornado report inside them.
Garrett County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 13 | 9 | 31% | 15 | 100% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 15 | 1 | 93% | 2 | 50% | 0 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 370 | 286 | 23% | 992 | 89% | 21 min |
| NWS Baltimore/Washington: flash flood warnings | 48 | 23 | 52% | 47 | 98% | 48 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 |
|---|---|---|---|
| Feb 3, 2:32 AM EST | Special Weather Statement | LWX | 118 min |
| Feb 3, 4:02 AM EST | Special Weather Statement | LWX | 58 min |
| Mar 13, 4:53 PM EDT | Special Weather Statement | LWX | 52 min |
| Mar 13, 5:47 PM EDT | Special Weather Statement | LWX | 28 min |
| Mar 24, 9:01 AM EDT | Areal Flood Warning | LWX | 4 hr |
| Jun 3, 1:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jun 3, 1:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| Jun 3, 7:19 PM EDT | Severe Thunderstorm Warning | LWX | 16 min |
| Jul 2, 10:21 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Jul 15, 7:56 PM EDT | Severe Thunderstorm Warning | LWX | 64 min |
| Jul 15, 8:01 PM EDT | Areal Flood Warning | LWX | 98 min |
| Jul 17, 2:04 PM EDT | Special Weather Statement | CTP | 26 min |
| Jul 20, 6:19 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 27, 3:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 27, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 27, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | 54 min |
| Jul 27, 4:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 28, 4:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 28, 4:48 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 6:06 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 7, 1:19 PM EDT | Severe Thunderstorm Warning | LWX | 56 min |
| Aug 7, 1:20 PM EDT | Tornado Watch | SPC | 11 hr |
| Aug 7, 1:26 PM EDT | Tornado Warning | LWX | 34 min |
| Aug 7, 1:58 PM EDT | Severe Thunderstorm Warning | LWX | 62 min |
| Aug 7, 2:11 PM EDT | Severe Thunderstorm Warning | LWX | 20 min |
| Aug 7, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | 65 min |
| Aug 12, 7:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 12, 8:06 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 12, 9:28 PM EDT | Special Weather Statement | CTP | 32 min |
| Aug 12, 9:49 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Aug 12, 10:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 12, 10:29 PM EDT | Severe Thunderstorm Warning | LWX | 31 min |
| Aug 25, 2:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 25, 2:58 AM EDT | Severe Thunderstorm Warning | LWX | 32 min |
| Nov 28, 6:55 AM EST | Snow Squall Warning | LWX | 50 min |
| Nov 28, 7:34 AM EST | Snow Squall Warning | LWX | 28 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 | 13 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 6 |
| Flooding | |
| Areal Flood Warning | 2 |
| Winter | |
| Snow Squall Warning | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.