Alert archive / Maryland / Baltimore County
Weather alerts in Baltimore County, Maryland, 2014
203 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Baltimore County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 203
- Warnings
- 63
- Watches
- 42
- Advisories
- 59
- Busiest month
- July41 alerts
- Busiest day
- July 14, 20149 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 Baltimore County in 2014 had a tornado report inside them.
Baltimore County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 28 | 23 | 18% | 31 | 58% | 27 min |
| Flash flood warnings | 7 | 3 | 57% | 8 | 75% | 106 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 21 | 2 | 90% | 8 | 25% | 6 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 259 | 194 | 25% | 672 | 86% | 21 min |
| NWS Baltimore/Washington: flash flood warnings | 49 | 23 | 53% | 95 | 80% | 88 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 2, 3:45 AM EST | Winter Weather Advisory | LWX | 26 hr |
| Jan 2, 2:13 PM EST | Wind Chill Advisory | LWX | 28 hr |
| Jan 2, 2:17 PM EST | Wind Advisory | LWX | 19 hr |
| Jan 2, 4:15 PM EST | Winter Storm Warning | LWX | 12 hr |
| Jan 4, 2:59 PM EST | Freezing Rain Advisory | LWX | 35 hr |
| Jan 5, 9:02 PM EST | Dense Fog Advisory | LWX | 9 hr |
| Jan 6, 4:22 AM EST | Wind Chill Advisory | LWX | 44 hr |
| Jan 9, 1:34 PM EST | Freezing Rain Advisory | LWX | 22 hr |
| Jan 10, 1:23 PM EST | Flood Watch | LWX | 29 hr |
| Jan 11, 1:02 AM EST | Dense Fog Advisory | LWX | 12 hr |
| Jan 11, 5:03 PM EST | Areal Flood Warning | LWX | 4 hr |
| Jan 14, 10:20 PM EST | Dense Fog Advisory | LWX | 16 hr |
| Jan 20, 3:33 AM EST | Winter Storm Watch | LWX | 9 hr |
| Jan 20, 12:20 PM EST | Winter Storm Warning | LWX | 35 hr |
| Jan 21, 2:42 AM EST | Wind Chill Advisory | LWX | 59 hr |
| Jan 21, 11:03 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 21, 4:28 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 23, 1:28 PM EST | Wind Chill Advisory | LWX | 22 hr |
| Jan 24, 1:31 PM EST | Wind Chill Advisory | LWX | 19 hr |
| Jan 27, 4:05 AM EST | Wind Chill Advisory | LWX | 32 hr |
| Jan 28, 12:39 PM EST | Wind Chill Advisory | LWX | 23 hr |
| Feb 1, 3:11 PM EST | Winter Storm Watch | LWX | 24 hr |
| Feb 2, 3:05 PM EST | Winter Storm Warning | LWX | 24 hr |
| Feb 2, 3:05 PM EST | Winter Weather Advisory | LWX | 24 hr |
| Feb 3, 3:12 PM EST | Winter Storm Watch | LWX | 13 hr |
| Feb 4, 4:10 AM EST | Winter Storm Warning | LWX | 32 hr |
| Feb 4, 4:10 AM EST | Freezing Rain Advisory | LWX | 30 hr |
| Feb 4, 9:45 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 10, 2:54 PM EST | Winter Storm Watch | LWX | 37 hr |
| Feb 11, 9:29 PM EST | Winter Storm Warning | LWX | 51 hr |
| Feb 12, 6:41 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 13, 12:17 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 13, 8:00 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 1:40 PM EST | Winter Weather Advisory | LWX | 23 hr |
| Feb 17, 2:52 PM EST | Winter Weather Advisory | LWX | 14 hr |
| Feb 18, 9:44 PM EST | Freezing Rain Advisory | LWX | 13 hr |
| Feb 21, 10:39 AM EST | Tornado Watch | SPC | 5 hr |
| Feb 21, 12:04 PM EST | Severe Thunderstorm Warning | LWX | 56 min |
| Feb 21, 12:16 PM EST | Mesoscale Discussion | SPC | 89 min |
| Feb 25, 2:08 PM EST | Winter Weather Advisory | LWX | 22 hr |
| Mar 1, 3:23 AM EST | Winter Storm Watch | LWX | 24 hr |
| Mar 2, 3:25 AM EST | Winter Storm Warning | LWX | 38 hr |
| Mar 3, 12:47 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Mar 3, 6:05 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 12, 3:05 AM EDT | Wind Advisory | LWX | 31 hr |
| Mar 12, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Mar 12, 4:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 13, 2:13 PM EDT | Fire Weather Watch | LWX | 18 hr |
| Mar 15, 2:43 PM EDT | Winter Storm Watch | LWX | 14 hr |
| Mar 15, 2:43 PM EDT | Winter Storm Warning | LWX | 47 hr |
| Mar 15, 4:55 PM EDT | Red Flag Warning | LWX | 2 hr |
| Mar 16, 4:34 AM EDT | Winter Weather Advisory | LWX | 33 hr |
| Mar 16, 4:28 PM EDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 24, 8:30 PM EDT | Winter Weather Advisory | LWX | 33 hr |
| Mar 29, 9:15 AM EDT | Dense Fog Advisory | LWX | 3 hr |
| Mar 29, 1:40 PM EDT | Winter Weather Advisory | LWX | 34 hr |
| Mar 30, 1:25 PM EDT | Areal Flood Warning | LWX | 10 hr |
| Mar 30, 3:32 PM EDT | Areal Flood Warning | LWX | 17 hr |
| Apr 14, 3:50 PM EDT | Freeze Watch | LWX | 11 hr |
| Apr 15, 3:08 AM EDT | Freeze Warning | LWX | 30 hr |
| Apr 15, 2:23 PM EDT | Freeze Watch | LWX | 23 hr |
| Apr 16, 1:36 PM EDT | Freeze Warning | LWX | 19 hr |
| Apr 17, 4:02 AM EDT | Freeze Watch | LWX | 10 hr |
| Apr 17, 2:13 PM EDT | Frost Advisory | LWX | 18 hr |
| Apr 20, 4:55 PM EDT | Frost Advisory | LWX | 15 hr |
| Apr 22, 2:29 PM EDT | Fire Weather Watch | LWX | 14 hr |
| Apr 22, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 23, 4:11 AM EDT | Fire Weather Watch | LWX | 16 hr |
| Apr 23, 4:11 AM EDT | Red Flag Warning | LWX | 16 hr |
| Apr 23, 8:09 PM EDT | Red Flag Warning | LWX | 22 hr |
| Apr 26, 3:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 1:52 PM EDT | Coastal Flood Watch | LWX | 55 hr |
| Apr 28, 1:52 PM EDT | Flash Flood Watch | LWX | 64 hr |
| Apr 28, 7:28 PM EDT | Coastal Flood Advisory | LWX | 28 hr |
| Apr 29, 8:57 PM EDT | Coastal Flood Advisory | LWX | 64 hr |
| Apr 30, 2:04 AM EDT | Coastal Flood Warning | LWX | 34 hr |
| Apr 30, 7:29 AM EDT | Areal Flood Warning | LWX | 12 hr |
| Apr 30, 9:31 AM EDT | Areal Flood Warning | LWX | 32 hr |
| Apr 30, 1:39 PM EDT | Flash Flood Warning | LWX | 6 hr |
| Apr 30, 9:02 PM EDT | Areal Flood Warning | LWX | 27 hr |
| May 10, 1:28 PM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| May 14, 2:30 PM EDT | Flash Flood Watch | LWX | 44 hr |
| May 15, 11:53 AM EDT | Coastal Flood Advisory | LWX | 40 hr |
| May 15, 5:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 16, 6:23 AM EDT | Areal Flood Warning | LWX | 12 hr |
| May 22, 1:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| May 22, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 22, 6:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 27, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| May 27, 6:39 PM EDT | Mesoscale Discussion | SPC | 36 min |
| May 29, 12:10 PM EDT | Coastal Flood Advisory | LWX | 24 hr |
| Jun 9, 12:40 AM EDT | Coastal Flood Advisory | LWX | 7 hr |
| Jun 9, 3:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 11:08 AM EDT | Flash Flood Watch | LWX | 15 hr |
| Jun 10, 7:31 PM EDT | Flash Flood Warning | LWX | 4 hr |
| Jun 12, 3:48 AM EDT | Flash Flood Watch | LWX | 20 hr |
| Jun 12, 5:09 PM EDT | Coastal Flood Advisory | LWX | 18 hr |
| Jun 13, 4:17 AM EDT | Flash Flood Watch | LWX | 17 hr |
| Jun 13, 2:00 PM EDT | Tornado Warning | LWX | 30 min |
| Jun 13, 2:23 PM EDT | Areal Flood Warning | LWX | 112 min |
| Jun 18, 9:37 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 10:52 PM EDT | Severe Thunderstorm Warning | LWX | 53 min |
| Jun 18, 11:43 PM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| Jun 19, 12:05 AM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| Jun 19, 12:18 AM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 19, 12:45 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Jun 19, 12:59 AM EDT | Severe Thunderstorm Warning | LWX | 46 min |
| Jun 23, 2:57 PM EDT | Coastal Flood Advisory | LWX | 17 hr |
| Jun 24, 2:46 PM EDT | Coastal Flood Advisory | LWX | 18 hr |
| Jun 25, 1:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 5:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 2, 3:24 AM EDT | Heat Advisory | LWX | 15 hr |
| Jul 2, 12:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 2, 12:42 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 2, 6:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 3, 3:49 AM EDT | Flash Flood Watch | LWX | 26 hr |
| Jul 3, 11:57 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 3, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 3, 4:04 PM EDT | Severe Thunderstorm Warning | LWX | 56 min |
| Jul 3, 5:03 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Jul 3, 5:24 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Jul 3, 5:55 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jul 8, 4:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 8, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 8, 6:39 PM EDT | Severe Thunderstorm Warning | LWX | 96 min |
| Jul 8, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 9, 3:00 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jul 9, 3:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 9, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| Jul 9, 4:12 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Jul 10, 2:08 PM EDT | Flash Flood Warning | LWX | 4 hr |
| Jul 10, 3:01 PM EDT | Flash Flood Watch | LWX | 8 hr |
| Jul 10, 9:04 PM EDT | Severe Thunderstorm Warning | LWX | 18 min |
| Jul 13, 7:49 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 13, 8:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 13, 9:17 PM EDT | Severe Thunderstorm Warning | LWX | 28 min |
| Jul 13, 10:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 14, 1:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 14, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 14, 4:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 14, 4:48 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Jul 14, 5:30 PM EDT | Tornado Warning | LWX | 30 min |
| Jul 14, 5:55 PM EDT | Tornado Warning | LWX | 35 min |
| Jul 15, 1:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 15, 1:43 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 15, 1:52 PM EDT | Flash Flood Watch | LWX | 3 hr |
| Jul 15, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 21, 2:57 PM EDT | Coastal Flood Advisory | LWX | 14 hr |
| Jul 23, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Jul 23, 7:15 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Jul 27, 11:35 PM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| Aug 3, 8:42 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Aug 3, 9:19 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Aug 11, 5:49 PM EDT | Coastal Flood Advisory | LWX | 42 hr |
| Aug 12, 11:54 AM EDT | Flash Flood Watch | LWX | 14 hr |
| Aug 12, 12:41 PM EDT | Flash Flood Warning | LWX | 6 hr |
| Aug 12, 6:26 PM EDT | Areal Flood Warning | LWX | 10 hr |
| Aug 21, 3:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 7:30 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Aug 23, 1:32 PM EDT | Coastal Flood Advisory | LWX | 45 hr |
| Aug 31, 1:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 31, 4:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 2, 4:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 2, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 5:15 PM EDT | Severe Thunderstorm Warning | LWX | 45 min |
| Sep 2, 7:39 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Sep 2, 7:51 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Sep 6, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 6, 4:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Sep 6, 6:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Sep 6, 7:36 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Sep 10, 10:24 AM EDT | Coastal Flood Advisory | LWX | 27 hr |
| Sep 11, 1:50 PM EDT | Coastal Flood Advisory | LWX | 11 hr |
| Sep 20, 8:51 PM EDT | Coastal Flood Advisory | LWX | 11 hr |
| Sep 24, 3:24 AM EDT | Flood Watch | LWX | 24 hr |
| Sep 26, 5:26 AM EDT | Dense Fog Advisory | LWX | 4 hr |
| Oct 1, 1:16 PM EDT | Coastal Flood Advisory | LWX | 3 days |
| Oct 3, 3:47 AM EDT | Coastal Flood Watch | LWX | 10 hr |
| Oct 3, 1:55 PM EDT | Coastal Flood Warning | LWX | 26 hr |
| Oct 5, 8:36 PM EDT | Coastal Flood Advisory | LWX | 61 hr |
| Oct 14, 1:24 AM EDT | Dense Fog Advisory | LWX | 4 hr |
| Oct 14, 3:25 PM EDT | Coastal Flood Advisory | LWX | 12 hr |
| Oct 15, 3:30 AM EDT | Flood Watch | LWX | 14 hr |
| Oct 15, 1:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 19, 1:23 PM EDT | Frost Advisory | LWX | 20 hr |
| Oct 21, 7:38 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Nov 2, 2:51 AM EST | Freeze Watch | LWX | 12 hr |
| Nov 2, 2:51 AM EST | Freeze Warning | LWX | 29 hr |
| Nov 2, 2:51 AM EST | Wind Advisory | LWX | 7 hr |
| Nov 3, 12:27 AM EST | Frost Advisory | LWX | 7 hr |
| Nov 12, 1:35 AM EST | Dense Fog Advisory | LWX | 8 hr |
| Nov 24, 3:06 PM EST | Winter Storm Watch | LWX | 20 hr |
| Nov 25, 11:01 AM EST | Winter Storm Warning | LWX | 31 hr |
| Nov 25, 11:01 AM EST | Winter Weather Advisory | LWX | 31 hr |
| Dec 1, 2:41 PM EST | Winter Weather Advisory | LWX | 34 hr |
| Dec 8, 2:38 PM EST | Winter Weather Advisory | LWX | 19 hr |
| Dec 17, 12:34 AM EST | Dense Fog Advisory | LWX | 7 hr |
| Dec 21, 2:21 PM EST | Freezing Rain Advisory | LWX | 42 hr |
| Dec 23, 12:17 PM EST | Dense Fog Advisory | LWX | 13 hr |
| Dec 24, 9:28 AM EST | Coastal Flood Advisory | LWX | 15 hr |
| Dec 24, 5:17 PM EST | Dense Fog Advisory | LWX | 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 | 28 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 39 |
| Flooding | |
| Areal Flood Warning | 9 |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 9 |
| Flood Watch | 3 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 7 |
| Freezing Rain Advisory | 5 |
| Winter Weather Advisory | 11 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 4 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
| Coast and beach | |
| Coastal Flood Warning | 2 |
| Coastal Flood Watch | 2 |
| Coastal Flood Advisory | 18 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.