Alert archive / Maryland / Worcester County
Weather alerts in Worcester County, Maryland, 2019
185 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Worcester County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 185
- Warnings
- 26
- Watches
- 15
- Advisories
- 41
- Busiest month
- July30 alerts
- Busiest day
- April 26, 20198 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 Worcester County in 2019 had a tornado report inside them.
Worcester County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 21 | 14 | 33% | 10 | 80% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 59 | 15 | 75% | 28 | 82% | 13 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 327 | 237 | 28% | 509 | 86% | 20 min |
| NWS Wakefield, VA: flash flood warnings | 18 | 13 | 28% | 33 | 82% | 92 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 12, 3:46 AM EST | Winter Weather Advisory | AKQ | 48 hr |
| Jan 13, 5:21 PM EST | High Surf Advisory | AKQ | 26 hr |
| Jan 19, 3:27 PM EST | Wind Advisory | AKQ | 34 hr |
| Jan 20, 3:29 AM EST | Wind Chill Advisory | AKQ | 32 hr |
| Jan 24, 3:54 AM EST | High Surf Advisory | AKQ | 15 hr |
| Jan 30, 3:42 AM EST | Wind Chill Advisory | AKQ | 29 hr |
| Jan 30, 3:46 AM EST | Wind Advisory | AKQ | 14 hr |
| Feb 7, 8:29 PM EST | Dense Fog Advisory | AKQ | 8 hr |
| Feb 19, 3:36 AM EST | Winter Weather Advisory | AKQ | 42 hr |
| Feb 24, 3:54 AM EST | Wind Advisory | AKQ | 36 hr |
| Mar 15, 8:40 PM EDT | Special Weather Statement | AKQ | 50 min |
| Mar 15, 9:23 PM EDT | Special Weather Statement | AKQ | 37 min |
| Mar 22, 5:43 PM EDT | Special Weather Statement | AKQ | 62 min |
| Mar 22, 6:31 PM EDT | Special Weather Statement | AKQ | 59 min |
| Apr 6, 2:00 AM EDT | Dense Fog Advisory | AKQ | 7 hr |
| Apr 8, 7:50 PM EDT | Severe Thunderstorm Warning | AKQ | 40 min |
| Apr 14, 12:20 AM EDT | Dense Fog Advisory | AKQ | 5 hr |
| Apr 14, 6:40 PM EDT | Dense Fog Advisory | AKQ | 3 hr |
| Apr 15, 12:41 AM EDT | Tornado Watch | SPC | 5 hr |
| Apr 15, 3:36 AM EDT | Special Weather Statement | AKQ | 54 min |
| Apr 15, 4:00 AM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Apr 15, 4:16 AM EDT | Tornado Warning | AKQ | 29 min |
| Apr 19, 8:26 AM EDT | Flash Flood Watch | AKQ | 20 hr |
| Apr 19, 1:17 PM EDT | Tornado Watch | SPC | 11 hr |
| Apr 19, 9:29 PM EDT | Special Weather Statement | AKQ | 46 min |
| Apr 19, 10:47 PM EDT | Special Weather Statement | AKQ | 58 min |
| Apr 26, 11:37 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 26, 1:10 PM EDT | Special Weather Statement | AKQ | 50 min |
| Apr 26, 1:33 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 26, 1:47 PM EDT | Special Weather Statement | AKQ | 43 min |
| Apr 26, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 26, 4:56 PM EDT | Severe Thunderstorm Warning | AKQ | 64 min |
| Apr 26, 5:15 PM EDT | Severe Thunderstorm Warning | AKQ | 30 min |
| Apr 26, 5:48 PM EDT | Special Weather Statement | AKQ | 27 min |
| May 12, 4:12 PM EDT | Coastal Flood Advisory | AKQ | 32 hr |
| May 13, 5:04 AM EDT | Beach Hazards Statement | AKQ | 15 hr |
| May 13, 5:04 AM EDT | Rip Current Statement | AKQ | 15 hr |
| May 23, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 3:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 23, 5:49 PM EDT | Special Weather Statement | AKQ | 41 min |
| May 26, 2:20 AM EDT | Special Weather Statement | AKQ | 40 min |
| May 26, 10:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| May 27, 12:05 AM EDT | Special Weather Statement | AKQ | 70 min |
| May 28, 5:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 30, 12:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 3:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 2, 5:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 2, 9:11 PM EDT | Special Weather Statement | AKQ | 49 min |
| Jun 2, 9:17 PM EDT | Severe Thunderstorm Warning | AKQ | 58 min |
| Jun 2, 10:46 PM EDT | Special Weather Statement | AKQ | 44 min |
| Jun 2, 11:37 PM EDT | Special Weather Statement | AKQ | 38 min |
| Jun 2, 11:44 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Jun 3, 12:35 AM EDT | Special Weather Statement | AKQ | 40 min |
| Jun 5, 12:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 5, 2:33 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 5, 4:02 PM EDT | Severe Thunderstorm Warning | AKQ | 43 min |
| Jun 5, 5:48 PM EDT | Severe Thunderstorm Warning | AKQ | 57 min |
| Jun 5, 6:54 PM EDT | Special Weather Statement | AKQ | 36 min |
| Jun 8, 8:17 PM EDT | Beach Hazards Statement | AKQ | 24 hr |
| Jun 8, 8:17 PM EDT | Rip Current Statement | AKQ | 24 hr |
| Jun 17, 2:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 17, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 17, 8:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 17, 9:03 PM EDT | Severe Thunderstorm Warning | AKQ | 42 min |
| Jun 17, 9:30 PM EDT | Special Weather Statement | AKQ | 45 min |
| Jun 18, 12:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 4:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 28, 1:30 PM EDT | Special Weather Statement | AKQ | 30 min |
| Jun 28, 2:50 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jun 29, 7:54 PM EDT | Special Weather Statement | AKQ | 21 min |
| Jun 29, 10:23 PM EDT | Special Weather Statement | AKQ | 52 min |
| Jul 2, 5:03 PM EDT | Coastal Flood Statement | AKQ | 14 hr |
| Jul 6, 1:48 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 6:53 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 8, 8:06 AM EDT | Special Weather Statement | AKQ | 54 min |
| Jul 8, 8:13 AM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Jul 8, 9:05 AM EDT | Areal Flood Advisory | AKQ | 115 min |
| Jul 8, 10:15 AM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Jul 11, 12:26 PM EDT | Special Weather Statement | AKQ | 34 min |
| Jul 11, 5:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 8:26 PM EDT | Severe Thunderstorm Warning | AKQ | 37 min |
| Jul 11, 9:05 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jul 11, 9:18 PM EDT | Special Weather Statement | AKQ | 27 min |
| Jul 16, 2:46 PM EDT | Heat Advisory | AKQ | 52 hr |
| Jul 17, 1:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 17, 8:46 PM EDT | Severe Thunderstorm Warning | AKQ | 44 min |
| Jul 17, 9:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| Jul 17, 11:04 PM EDT | Special Weather Statement | AKQ | 41 min |
| Jul 17, 11:06 PM EDT | Special Weather Statement | AKQ | 39 min |
| Jul 18, 1:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 3:25 PM EDT | Excessive Heat Warning | AKQ | 3 days |
| Jul 18, 3:25 PM EDT | Heat Advisory | AKQ | 29 hr |
| Jul 18, 9:14 PM EDT | Special Weather Statement | AKQ | 46 min |
| Jul 19, 3:15 AM EDT | Excessive Heat Watch | AKQ | 12 hr |
| Jul 21, 3:08 PM EDT | Heat Advisory | AKQ | 28 hr |
| Jul 22, 2:17 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 22, 6:29 PM EDT | Special Weather Statement | AKQ | 31 min |
| Jul 22, 11:16 PM EDT | Severe Thunderstorm Warning | AKQ | 44 min |
| Jul 22, 11:40 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jul 22, 11:55 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jul 31, 6:14 PM EDT | Severe Thunderstorm Warning | AKQ | 61 min |
| Aug 3, 10:35 AM EDT | Special Weather Statement | AKQ | 25 min |
| Aug 4, 12:27 PM EDT | Special Weather Statement | AKQ | 48 min |
| Aug 4, 1:09 PM EDT | Special Weather Statement | AKQ | 51 min |
| Aug 4, 2:02 PM EDT | Special Weather Statement | AKQ | 43 min |
| Aug 4, 2:10 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Aug 4, 3:11 PM EDT | Special Weather Statement | AKQ | 49 min |
| Aug 4, 3:15 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Aug 4, 3:16 PM EDT | Severe Thunderstorm Warning | AKQ | 44 min |
| Aug 6, 3:26 PM EDT | Special Weather Statement | AKQ | 34 min |
| Aug 6, 4:11 PM EDT | Special Weather Statement | AKQ | 49 min |
| Aug 7, 12:55 PM EDT | Special Weather Statement | AKQ | 50 min |
| Aug 7, 1:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 7, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 7, 2:12 PM EDT | Special Weather Statement | AKQ | 48 min |
| Aug 9, 5:11 PM EDT | Severe Thunderstorm Warning | AKQ | 49 min |
| Aug 19, 1:59 PM EDT | Special Weather Statement | AKQ | 31 min |
| Aug 19, 2:18 PM EDT | Severe Thunderstorm Warning | AKQ | 28 min |
| Aug 19, 2:49 PM EDT | Special Weather Statement | AKQ | 26 min |
| Aug 19, 3:37 PM EDT | Areal Flood Advisory | AKQ | 113 min |
| Aug 23, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 23, 4:03 PM EDT | Special Weather Statement | AKQ | 57 min |
| Aug 23, 4:18 PM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 23, 4:26 PM EDT | Severe Thunderstorm Warning | AKQ | 38 min |
| Aug 25, 4:55 PM EDT | Beach Hazards Statement | AKQ | 27 hr |
| Aug 25, 4:55 PM EDT | Rip Current Statement | AKQ | 27 hr |
| Aug 26, 8:12 PM EDT | Beach Hazards Statement | AKQ | 72 hr |
| Aug 26, 8:12 PM EDT | Rip Current Statement | AKQ | 72 hr |
| Aug 28, 5:01 PM EDT | Coastal Flood Statement | AKQ | 10 hr |
| Aug 29, 5:34 PM EDT | Coastal Flood Statement | AKQ | 10 hr |
| Sep 1, 5:11 PM EDT | Beach Hazards Statement | AKQ | 3 days |
| Sep 1, 5:11 PM EDT | Rip Current Statement | AKQ | 3 days |
| Sep 3, 1:58 AM EDT | Special Weather Statement | AKQ | 62 min |
| Sep 3, 5:17 PM EDT | Tropical Storm Watch | AKQ | 42 hr |
| Sep 4, 3:59 PM EDT | Coastal Flood Watch | AKQ | 55 hr |
| Sep 4, 5:39 PM EDT | Tropical Storm Warning | AKQ | 51 hr |
| Sep 4, 9:57 PM EDT | Beach Hazards Statement | AKQ | 22 hr |
| Sep 6, 9:58 AM EDT | Coastal Flood Advisory | AKQ | 38 hr |
| Sep 6, 5:51 PM EDT | Beach Hazards Statement | AKQ | 23 hr |
| Sep 6, 5:51 PM EDT | Rip Current Statement | AKQ | 23 hr |
| Sep 6, 11:16 PM EDT | Coastal Flood Advisory | AKQ | 6 hr |
| Sep 7, 6:19 AM EDT | Coastal Flood Advisory | AKQ | 18 hr |
| Sep 12, 2:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 12, 3:47 PM EDT | Beach Hazards Statement | AKQ | 52 hr |
| Sep 12, 3:47 PM EDT | Rip Current Statement | AKQ | 52 hr |
| Sep 12, 5:56 PM EDT | Special Weather Statement | AKQ | 49 min |
| Sep 14, 8:22 PM EDT | Beach Hazards Statement | AKQ | 24 hr |
| Sep 14, 8:22 PM EDT | Rip Current Statement | AKQ | 24 hr |
| Sep 16, 3:35 AM EDT | Dense Fog Advisory | AKQ | 5 hr |
| Sep 16, 4:25 PM EDT | Beach Hazards Statement | AKQ | 5 days |
| Sep 16, 4:25 PM EDT | Rip Current Statement | AKQ | 5 days |
| Sep 29, 3:19 PM EDT | Beach Hazards Statement | AKQ | 8 days |
| Sep 29, 3:19 PM EDT | Rip Current Statement | AKQ | 8 days |
| Oct 3, 4:38 AM EDT | Coastal Flood Statement | AKQ | 8 hr |
| Oct 8, 1:05 AM EDT | Beach Hazards Statement | AKQ | 6 days |
| Oct 8, 1:05 AM EDT | Rip Current Statement | AKQ | 6 days |
| Oct 8, 4:05 PM EDT | High Surf Advisory | AKQ | 3 days |
| Oct 9, 9:25 AM EDT | Coastal Flood Advisory | AKQ | 5 days |
| Oct 17, 3:59 AM EDT | Wind Advisory | AKQ | 15 hr |
| Oct 20, 11:17 AM EDT | Special Weather Statement | AKQ | 43 min |
| Oct 20, 11:59 AM EDT | Special Weather Statement | AKQ | 46 min |
| Oct 20, 12:47 PM EDT | Special Weather Statement | AKQ | 43 min |
| Oct 20, 1:37 PM EDT | Special Weather Statement | AKQ | 53 min |
| Oct 20, 2:43 PM EDT | Areal Flood Advisory | AKQ | 4 hr |
| Oct 20, 6:52 PM EDT | Wind Advisory | AKQ | 4 hr |
| Oct 21, 4:17 PM EDT | Coastal Flood Statement | AKQ | 4 hr |
| Oct 22, 1:08 PM EDT | Coastal Flood Statement | AKQ | 8 hr |
| Oct 31, 9:02 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Oct 31, 9:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 31, 11:07 PM EDT | Special Weather Statement | AKQ | 53 min |
| Nov 1, 12:17 AM EDT | Severe Thunderstorm Warning | AKQ | 43 min |
| Nov 1, 12:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Nov 1, 12:54 AM EDT | Severe Thunderstorm Warning | AKQ | 36 min |
| Nov 1, 4:00 AM EDT | Frost Advisory | AKQ | 29 hr |
| Nov 1, 12:54 PM EDT | Freeze Warning | AKQ | 20 hr |
| Nov 3, 2:00 PM EST | Frost Advisory | AKQ | 19 hr |
| Nov 3, 2:00 PM EST | Freeze Warning | AKQ | 19 hr |
| Nov 15, 3:51 AM EST | Wind Advisory | AKQ | 45 hr |
| Nov 15, 5:16 AM EST | High Surf Advisory | AKQ | 4 days |
| Nov 15, 6:43 PM EST | Coastal Flood Advisory | AKQ | 4 days |
| Nov 24, 12:30 PM EST | Special Weather Statement | AKQ | 45 min |
| Dec 26, 5:23 AM EST | Dense Fog Advisory | AKQ | 4 hr |
| Dec 26, 9:06 AM EST | Dense Fog Advisory | AKQ | 114 min |
| Dec 30, 11:26 AM EST | Dense Fog Advisory | AKQ | 5 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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 53 |
| Flooding | |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 6 |
| High Surf Advisory | 4 |
| Beach Hazards Statement | 12 |
| Coastal Flood Statement | 6 |
| Rip Current Statement | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.