Alert archive / Maryland / Worcester County
Weather alerts in Worcester County, Maryland, 2015
132 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 132
- Warnings
- 13
- Watches
- 9
- Advisories
- 36
- Busiest month
- June21 alerts
- Busiest day
- September 12, 201510 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 Worcester County in 2015 had a tornado report inside them.
Worcester County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 4 | 2 | 50% | 3 | 100% | 23 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 21 | 4 | 81% | 9 | 67% | 11 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 113 | 77 | 32% | 208 | 87% | 23 min |
| NWS Wakefield, VA: flash flood warnings | 3 | 3 | 0% | 7 | 100% | 44 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 7, 3:29 AM EST | Wind Chill Advisory | AKQ | 30 hr |
| Jan 13, 3:26 AM EST | Winter Weather Advisory | AKQ | 37 hr |
| Jan 25, 11:59 AM EST | Winter Storm Watch | AKQ | 16 hr |
| Jan 26, 3:47 AM EST | Coastal Flood Watch | AKQ | 13 hr |
| Jan 26, 4:26 AM EST | Winter Weather Advisory | AKQ | 30 hr |
| Jan 26, 4:57 PM EST | Coastal Flood Advisory | AKQ | 10 hr |
| Jan 27, 6:22 AM EST | Coastal Flood Statement | AKQ | 10 hr |
| Jan 30, 3:50 AM EST | Wind Advisory | AKQ | 20 hr |
| Feb 2, 3:49 AM EST | Wind Advisory | AKQ | 18 hr |
| Feb 10, 1:18 AM EST | Winter Weather Advisory | AKQ | 9 hr |
| Feb 10, 5:30 AM EST | Coastal Flood Statement | AKQ | 22 hr |
| Feb 12, 4:50 PM EST | Wind Chill Advisory | AKQ | 16 hr |
| Feb 14, 3:09 AM EST | Wind Chill Advisory | AKQ | 55 hr |
| Feb 14, 3:38 AM EST | High Wind Warning | AKQ | 33 hr |
| Feb 14, 3:38 AM EST | Wind Advisory | AKQ | 36 hr |
| Feb 14, 8:39 PM EST | Special Weather Statement | AKQ | 51 min |
| Feb 15, 4:40 PM EST | Winter Storm Watch | AKQ | 11 hr |
| Feb 15, 9:52 PM EST | Winter Storm Warning | AKQ | 38 hr |
| Feb 16, 10:33 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 18, 3:44 AM EST | Wind Chill Advisory | AKQ | 59 hr |
| Feb 18, 7:33 PM EST | Special Weather Statement | AKQ | 87 min |
| Feb 18, 8:59 PM EST | Special Weather Statement | AKQ | 91 min |
| Feb 22, 8:17 AM EST | Dense Fog Advisory | AKQ | 103 min |
| Feb 25, 4:30 AM EST | Winter Storm Warning | AKQ | 34 hr |
| Feb 25, 4:30 AM EST | Winter Weather Advisory | AKQ | 32 hr |
| Feb 26, 12:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 26, 10:14 PM EST | Freezing Fog Advisory | AKQ | 3 hr |
| Feb 28, 3:17 PM EST | Winter Weather Advisory | AKQ | 31 hr |
| Mar 2, 3:13 AM EST | Dense Fog Advisory | AKQ | 6 hr |
| Mar 4, 2:33 PM EST | Winter Storm Warning | AKQ | 31 hr |
| Mar 14, 3:36 PM EDT | Special Weather Statement | AKQ | 54 min |
| Apr 10, 2:36 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Apr 10, 6:12 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 10, 7:12 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Apr 18, 3:55 AM EDT | Dense Fog Advisory | AKQ | 4 hr |
| May 7, 11:56 PM EDT | Dense Fog Advisory | AKQ | 10 hr |
| May 9, 2:40 AM EDT | Dense Fog Advisory | AKQ | 5 hr |
| May 19, 2:26 AM EDT | Special Weather Statement | AKQ | 64 min |
| May 19, 2:28 AM EDT | Special Weather Statement | AKQ | 62 min |
| Jun 1, 8:17 PM EDT | Special Weather Statement | AKQ | 43 min |
| Jun 1, 9:03 PM EDT | Special Weather Statement | AKQ | 42 min |
| Jun 1, 10:51 PM EDT | Special Weather Statement | AKQ | 54 min |
| Jun 1, 11:57 PM EDT | Special Weather Statement | AKQ | 33 min |
| Jun 6, 2:44 PM EDT | Special Weather Statement | AKQ | 16 min |
| Jun 6, 3:08 PM EDT | Special Weather Statement | AKQ | 37 min |
| Jun 15, 9:31 PM EDT | Special Weather Statement | AKQ | 29 min |
| Jun 20, 8:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 20, 8:56 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 20, 10:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 21, 12:36 AM EDT | Special Weather Statement | AKQ | 39 min |
| Jun 21, 1:18 AM EDT | Special Weather Statement | AKQ | 27 min |
| Jun 21, 2:05 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jun 23, 4:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 5:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 23, 7:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 23, 8:23 PM EDT | Severe Thunderstorm Warning | AKQ | 52 min |
| Jun 23, 10:32 PM EDT | Mesoscale Discussion | SPC | 28 min |
| Jun 26, 1:03 AM EDT | Special Weather Statement | AKQ | 57 min |
| Jun 27, 1:54 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 27, 4:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 2, 11:43 AM EDT | Special Weather Statement | AKQ | 32 min |
| Jul 2, 11:51 AM EDT | Severe Thunderstorm Warning | AKQ | 24 min |
| Jul 9, 7:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 19, 7:54 PM EDT | Heat Advisory | AKQ | 24 hr |
| Jul 20, 3:26 PM EDT | Special Weather Statement | AKQ | 34 min |
| Jul 20, 3:56 PM EDT | Special Weather Statement | AKQ | 49 min |
| Jul 20, 4:15 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 20, 4:41 PM EDT | Special Weather Statement | AKQ | 49 min |
| Jul 21, 12:47 PM EDT | Special Weather Statement | AKQ | 43 min |
| Jul 21, 4:58 PM EDT | Special Weather Statement | AKQ | 62 min |
| Jul 21, 5:50 PM EDT | Special Weather Statement | AKQ | 25 min |
| Jul 27, 4:05 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jul 28, 4:31 PM EDT | Special Weather Statement | AKQ | 44 min |
| Jul 28, 5:12 PM EDT | Special Weather Statement | AKQ | 33 min |
| Jul 28, 5:43 PM EDT | Special Weather Statement | AKQ | 47 min |
| Jul 28, 5:48 PM EDT | Special Weather Statement | AKQ | 27 min |
| Jul 28, 6:16 PM EDT | Special Weather Statement | AKQ | 44 min |
| Aug 2, 12:24 AM EDT | Special Weather Statement | AKQ | 21 min |
| Aug 4, 3:48 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 4, 6:26 PM EDT | Severe Thunderstorm Warning | AKQ | 49 min |
| Aug 4, 6:33 PM EDT | Tornado Warning | AKQ | 27 min |
| Aug 4, 6:58 PM EDT | Tornado Warning | AKQ | 32 min |
| Aug 5, 12:54 AM EDT | Special Weather Statement | AKQ | 51 min |
| Aug 5, 1:46 AM EDT | Special Weather Statement | AKQ | 44 min |
| Aug 5, 2:22 AM EDT | Areal Flood Advisory | AKQ | 113 min |
| Aug 7, 4:37 PM EDT | Beach Hazards Statement | AKQ | 26 hr |
| Aug 8, 3:17 AM EDT | Rip Current Statement | AKQ | 16 hr |
| Aug 8, 4:56 PM EDT | Beach Hazards Statement | AKQ | 27 hr |
| Aug 9, 2:24 AM EDT | Rip Current Statement | AKQ | 18 hr |
| Aug 11, 4:00 AM EDT | Special Weather Statement | AKQ | 60 min |
| Aug 11, 4:02 AM EDT | Special Weather Statement | AKQ | 58 min |
| Aug 11, 5:14 AM EDT | Special Weather Statement | AKQ | 31 min |
| Aug 11, 6:56 PM EDT | Special Weather Statement | AKQ | 34 min |
| Aug 11, 7:24 PM EDT | Special Weather Statement | AKQ | 51 min |
| Sep 1, 4:46 PM EDT | Special Weather Statement | AKQ | 29 min |
| Sep 8, 4:38 AM EDT | Dense Fog Advisory | AKQ | 4 hr |
| Sep 10, 1:36 PM EDT | Special Weather Statement | AKQ | 24 min |
| Sep 10, 2:09 PM EDT | Special Weather Statement | AKQ | 21 min |
| Sep 12, 10:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 12, 11:36 AM EDT | Special Weather Statement | AKQ | 39 min |
| Sep 12, 1:01 PM EDT | Special Weather Statement | AKQ | 44 min |
| Sep 12, 1:43 PM EDT | Special Weather Statement | AKQ | 47 min |
| Sep 12, 1:47 PM EDT | Tornado Warning | AKQ | 28 min |
| Sep 12, 2:23 PM EDT | Special Weather Statement | AKQ | 37 min |
| Sep 12, 2:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 4:40 PM EDT | Special Weather Statement | AKQ | 35 min |
| Sep 12, 5:12 PM EDT | Special Weather Statement | AKQ | 63 min |
| Sep 12, 5:23 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Sep 21, 5:26 AM EDT | Beach Hazards Statement | AKQ | 10 days |
| Sep 22, 4:32 AM EDT | High Surf Advisory | AKQ | 6 days |
| Sep 26, 5:03 PM EDT | Coastal Flood Advisory | AKQ | 4 hr |
| Sep 30, 7:07 PM EDT | Coastal Flood Watch | AKQ | 22 hr |
| Sep 30, 11:59 PM EDT | Flood Watch | AKQ | 51 hr |
| Oct 1, 4:14 AM EDT | Coastal Flood Advisory | AKQ | 13 hr |
| Oct 1, 1:35 PM EDT | High Surf Advisory | AKQ | 5 days |
| Oct 1, 4:52 PM EDT | Coastal Flood Warning | AKQ | 5 days |
| Oct 2, 3:16 AM EDT | Wind Advisory | AKQ | 24 hr |
| Oct 3, 9:20 PM EDT | Wind Advisory | AKQ | 8 hr |
| Oct 4, 8:44 AM EDT | Wind Advisory | AKQ | 19 hr |
| Oct 4, 5:59 PM EDT | Coastal Flood Advisory | AKQ | 56 hr |
| Oct 9, 7:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Oct 9, 9:04 PM EDT | Special Weather Statement | AKQ | 26 min |
| Oct 9, 9:44 PM EDT | Special Weather Statement | AKQ | 31 min |
| Oct 18, 4:03 AM EDT | Frost Advisory | AKQ | 29 hr |
| Oct 18, 10:06 AM EDT | Freeze Warning | AKQ | 23 hr |
| Oct 27, 4:59 AM EDT | Coastal Flood Statement | AKQ | 11 hr |
| Oct 27, 5:32 PM EDT | Coastal Flood Statement | AKQ | 20 hr |
| Oct 28, 5:04 PM EDT | High Surf Advisory | AKQ | 11 hr |
| Dec 22, 10:22 AM EST | Special Weather Statement | AKQ | 53 min |
| Dec 24, 12:30 PM EST | Special Weather Statement | AKQ | 30 min |
| Dec 24, 6:08 PM EST | Special Weather Statement | AKQ | 37 min |
| Dec 27, 12:43 AM EST | Dense Fog Advisory | AKQ | 8 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.