Alert archive / Maryland / Harford County / 2021
Weather alerts in Harford County, Maryland, September 2021
34 weather alerts in September 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 34
- Warnings
- 14
- Watches
- 6
- Advisories
- 7
- Busiest day
- September 1, 202115 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Sep 1, 12:56 AM EDT | Tornado Watch | SPC | 6 hr |
| Sep 1, 4:01 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 1, 5:41 AM EDT | Areal Flood Warning | LWX | 5 hr |
| Sep 1, 10:14 AM EDT | Coastal Flood Advisory | LWX | 19 hr |
| Sep 1, 11:03 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 1:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 2:26 PM EDT | Tornado Warning | LWX | 14 min |
| Sep 1, 2:48 PM EDT | Tornado Warning | LWX | 27 min |
| Sep 1, 3:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 3:17 PM EDT | Tornado Warning | LWX | 28 min |
| Sep 1, 3:34 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Sep 1, 3:49 PM EDT | Tornado Warning | LWX | 26 min |
| Sep 1, 4:37 PM EDT | Areal Flood Warning | LWX | 13 hr |
| Sep 1, 6:08 PM EDT | Areal Flood Warning | LWX | 17 hr |
| Sep 2, 11:05 AM EDT | River Flood Warning | LWX | 22 hr |
| Sep 3, 3:01 AM EDT | Coastal Flood Advisory | LWX | 6 hr |
| Sep 7, 10:46 PM EDT | Coastal Flood Advisory | LWX | 12 hr |
| Sep 8, 2:28 PM EDT | Coastal Flood Advisory | LWX | 11 hr |
| Sep 8, 6:11 PM EDT | Flash Flood Watch | LWX | 10 hr |
| Sep 8, 8:29 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 8, 10:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 12:17 AM EDT | Severe Thunderstorm Warning | LWX | 43 min |
| Sep 15, 2:54 PM EDT | Coastal Flood Advisory | LWX | 13 hr |
| Sep 15, 9:38 PM EDT | Severe Thunderstorm Warning | LWX | 52 min |
| Sep 16, 2:44 PM EDT | Flash Flood Watch | LWX | 6 hr |
| Sep 21, 3:04 AM EDT | Flash Flood Watch | LWX | 57 hr |
| Sep 22, 3:14 AM EDT | Coastal Flood Advisory | LWX | 46 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, 7:56 AM EDT | Severe Thunderstorm Warning | LWX | 22 min |
| Sep 23, 8:04 AM EDT | Areal Flood Warning | LWX | 10 hr |
| Sep 23, 9:27 AM EDT | Severe Thunderstorm Warning | LWX | 78 min |
| Sep 24, 9:55 PM EDT | Coastal Flood 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 | 4 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 7 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Coast and beach | |
| Coastal Flood Advisory | 7 |
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.