Alert archive / Maryland / Wicomico County
Weather alerts in Wicomico County, Maryland, 2021
132 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Wicomico County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 132
- Warnings
- 22
- Watches
- 19
- Advisories
- 34
- Busiest month
- July26 alerts
- Busiest day
- September 1, 202111 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 3 tornado warnings covering Wicomico County in 2021 had a tornado report inside them.
Wicomico County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 4 | 64% | 2 | 50% | 28 min |
| Flash flood warnings | 1 | 1 | 0% | 2 | 100% | 28 min |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 39 | 8 | 79% | 13 | 62% | 15 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 239 | 170 | 29% | 321 | 91% | 21 min |
| NWS Wakefield, VA: flash flood warnings | 63 | 49 | 22% | 114 | 99% | 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 25, 2:49 PM EST | Winter Weather Advisory | AKQ | 10 hr |
| Jan 27, 9:03 AM EST | Wind Advisory | AKQ | 33 hr |
| Jan 29, 3:19 PM EST | Winter Storm Watch | AKQ | 13 hr |
| Jan 30, 4:34 AM EST | Winter Weather Advisory | AKQ | 38 hr |
| Jan 31, 2:05 PM EST | Coastal Flood Advisory | AKQ | 16 hr |
| Feb 5, 3:17 PM EST | Winter Storm Watch | AKQ | 12 hr |
| Feb 10, 3:45 AM EST | Winter Storm Watch | AKQ | 24 hr |
| Feb 10, 3:45 AM EST | Winter Weather Advisory | AKQ | 27 hr |
| Feb 11, 3:39 AM EST | Winter Weather Advisory | AKQ | 3 days |
| Feb 13, 10:02 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 17, 3:10 PM EST | Winter Weather Advisory | AKQ | 45 hr |
| Mar 13, 7:09 PM EST | Fire Weather Watch | AKQ | 8 hr |
| Mar 14, 4:05 AM EDT | Red Flag Warning | AKQ | 16 hr |
| Mar 19, 4:32 AM EDT | Coastal Flood Advisory | AKQ | 29 hr |
| Mar 25, 3:02 PM EDT | Wind Advisory | AKQ | 24 hr |
| Mar 28, 1:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 2:53 AM EDT | Special Weather Statement | AKQ | 37 min |
| Apr 12, 2:54 PM EDT | Coastal Flood Advisory | AKQ | 14 hr |
| Apr 13, 3:44 PM EDT | Coastal Flood Advisory | AKQ | 14 hr |
| Apr 21, 12:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 21, 12:28 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 21, 1:57 PM EDT | Special Weather Statement | AKQ | 48 min |
| Apr 22, 12:04 PM EDT | Frost Advisory | AKQ | 20 hr |
| Apr 29, 2:37 PM EDT | Wind Advisory | AKQ | 34 hr |
| Apr 30, 12:24 AM EDT | Special Weather Statement | AKQ | 66 min |
| Apr 30, 1:22 AM EDT | Special Weather Statement | AKQ | 38 min |
| May 3, 4:24 PM EDT | Special Weather Statement | AKQ | 51 min |
| May 4, 7:07 PM EDT | Severe Thunderstorm Warning | AKQ | 38 min |
| May 4, 7:38 PM EDT | Severe Thunderstorm Warning | AKQ | 67 min |
| May 5, 1:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 4:26 PM EDT | Special Weather Statement | AKQ | 49 min |
| May 7, 6:45 PM EDT | Special Weather Statement | AKQ | 30 min |
| May 8, 3:08 PM EDT | Special Weather Statement | AKQ | 37 min |
| May 9, 3:48 PM EDT | Coastal Flood Statement | AKQ | 14 hr |
| May 26, 1:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 26, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 7:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 3, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 4:59 PM EDT | Special Weather Statement | AKQ | 61 min |
| Jun 4, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 4:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 8, 9:32 PM EDT | Special Weather Statement | AKQ | 43 min |
| Jun 9, 4:09 PM EDT | Severe Thunderstorm Warning | AKQ | 51 min |
| Jun 10, 10:14 AM EDT | Flash Flood Watch | AKQ | 10 hr |
| Jun 10, 1:45 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Jun 10, 2:24 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Jun 10, 3:01 PM EDT | Special Weather Statement | AKQ | 29 min |
| Jun 10, 3:08 PM EDT | Areal Flood Advisory | AKQ | 112 min |
| Jun 10, 3:14 PM EDT | Special Weather Statement | PHI | 31 min |
| Jun 10, 3:28 PM EDT | Flash Flood Warning | AKQ | 81 min |
| Jun 11, 3:22 PM EDT | Coastal Flood Statement | AKQ | 14 hr |
| Jun 12, 3:16 PM EDT | Coastal Flood Statement | AKQ | 15 hr |
| Jun 14, 6:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 10:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 11:19 PM EDT | Special Weather Statement | AKQ | 26 min |
| Jul 1, 11:45 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 3:51 PM EDT | Severe Thunderstorm Warning | AKQ | 54 min |
| Jul 1, 4:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 1, 4:25 PM EDT | Special Weather Statement | AKQ | 50 min |
| Jul 1, 5:29 PM EDT | Severe Thunderstorm Warning | AKQ | 29 min |
| Jul 1, 6:00 PM EDT | Special Weather Statement | AKQ | 60 min |
| Jul 2, 6:03 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 7, 5:32 AM EDT | Tropical Storm Watch | AKQ | 18 hr |
| Jul 7, 3:22 PM EDT | Flash Flood Watch | AKQ | 36 hr |
| Jul 7, 11:21 PM EDT | Tropical Storm Warning | AKQ | 27 hr |
| Jul 8, 6:31 AM EDT | Coastal Flood Advisory | AKQ | 27 hr |
| Jul 8, 1:50 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 8, 6:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 8, 10:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 8, 11:37 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 8, 11:48 PM EDT | Tornado Warning | AKQ | 27 min |
| Jul 9, 12:02 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 9, 12:05 AM EDT | Tornado Warning | AKQ | 25 min |
| Jul 9, 2:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 6:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| Jul 14, 7:22 PM EDT | Severe Thunderstorm Warning | AKQ | 28 min |
| Jul 17, 9:00 PM EDT | Special Weather Statement | AKQ | 45 min |
| Jul 21, 11:56 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 2:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 7, 4:01 PM EDT | Areal Flood Advisory | AKQ | 6 hr |
| Aug 11, 3:55 AM EDT | Heat Advisory | AKQ | 63 hr |
| Aug 13, 6:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Aug 13, 8:10 PM EDT | Special Weather Statement | AKQ | 50 min |
| Aug 15, 12:17 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 17, 12:00 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 19, 2:57 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 19, 10:59 PM EDT | Special Weather Statement | AKQ | 61 min |
| Aug 20, 5:18 AM EDT | Special Weather Statement | AKQ | 57 min |
| Aug 21, 3:38 PM EDT | Special Weather Statement | AKQ | 67 min |
| Aug 22, 11:44 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 27, 8:12 PM EDT | Special Weather Statement | AKQ | 48 min |
| Aug 28, 12:07 AM EDT | Special Weather Statement | AKQ | 38 min |
| Sep 1, 11:03 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 2:40 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Sep 1, 3:03 PM EDT | Tornado Warning | AKQ | 27 min |
| Sep 1, 3:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 3:56 PM EDT | Severe Thunderstorm Warning | AKQ | 49 min |
| Sep 1, 4:07 PM EDT | Coastal Flood Warning | AKQ | 12 hr |
| Sep 1, 5:04 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Sep 1, 6:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| Sep 1, 6:53 PM EDT | Severe Thunderstorm Warning | AKQ | 52 min |
| Sep 1, 7:29 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Sep 22, 10:39 AM EDT | Coastal Flood Statement | AKQ | 18 hr |
| Sep 22, 10:39 AM EDT | Coastal Flood Advisory | AKQ | 35 hr |
| Sep 22, 6:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 23, 3:13 AM EDT | Mesoscale Discussion | SPC | 5 hr |
| Sep 23, 10:30 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 5, 2:22 PM EDT | Special Weather Statement | AKQ | 68 min |
| Oct 5, 3:33 PM EDT | Special Weather Statement | AKQ | 42 min |
| Oct 5, 3:39 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Oct 8, 4:00 PM EDT | Coastal Flood Statement | AKQ | 43 hr |
| Oct 9, 5:00 PM EDT | Coastal Flood Advisory | AKQ | 3 days |
| Oct 10, 5:20 AM EDT | Coastal Flood Warning | AKQ | 39 hr |
| Oct 16, 4:53 AM EDT | Coastal Flood Statement | AKQ | 9 hr |
| Oct 16, 4:52 PM EDT | Special Weather Statement | AKQ | 38 min |
| Oct 16, 7:10 PM EDT | Coastal Flood Statement | AKQ | 6 hr |
| Oct 27, 3:30 PM EDT | Coastal Flood Watch | AKQ | 24 hr |
| Oct 27, 9:31 PM EDT | Coastal Flood Advisory | AKQ | 13 hr |
| Oct 28, 10:58 AM EDT | Coastal Flood Warning | AKQ | 71 hr |
| Oct 29, 3:36 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 30, 10:44 AM EDT | Coastal Flood Advisory | AKQ | 37 hr |
| Nov 3, 3:32 PM EDT | Frost Advisory | AKQ | 12 hr |
| Nov 4, 3:19 AM EDT | Frost Advisory | AKQ | 30 hr |
| Nov 4, 3:19 AM EDT | Freeze Warning | AKQ | 30 hr |
| Nov 5, 3:36 PM EDT | Frost Advisory | AKQ | 15 hr |
| Nov 13, 3:17 AM EST | Freeze Warning | AKQ | 30 hr |
| Dec 11, 11:06 PM EST | Special Weather Statement | AKQ | 54 min |
| Dec 30, 11:51 PM EST | Dense Fog Advisory | AKQ | 12 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 | 11 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 28 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 5 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Warning | 3 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 9 |
| Coastal Flood Statement | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.