Alert archive / Maryland / Calvert County / 2020
Weather alerts in Calvert County, Maryland, August 2020
39 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 39
- Warnings
- 19
- Watches
- 10
- Advisories
- 1
- Busiest day
- August 4, 202010 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 |
|---|---|---|---|
| Aug 1, 7:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 2, 3:28 PM EDT | Flash Flood Watch | LWX | 45 hr |
| Aug 2, 4:56 PM EDT | Tropical Storm Watch | LWX | 18 hr |
| Aug 2, 5:19 PM EDT | Coastal Flood Watch | LWX | 24 hr |
| Aug 2, 9:47 PM EDT | Severe Thunderstorm Warning | LWX | 43 min |
| Aug 3, 2:13 AM EDT | Severe Thunderstorm Warning | LWX | 26 min |
| Aug 3, 2:55 AM EDT | Severe Thunderstorm Warning | LWX | 23 min |
| Aug 3, 5:29 AM EDT | Tropical Storm Warning | LWX | 36 hr |
| Aug 3, 5:15 PM EDT | Coastal Flood Warning | LWX | 29 hr |
| Aug 4, 1:41 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 4, 2:26 AM EDT | Tornado Watch | SPC | 9 hr |
| Aug 4, 5:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 4, 6:44 AM EDT | Tornado Warning | LWX | 31 min |
| Aug 4, 6:57 AM EDT | Flash Flood Warning | LWX | 4 hr |
| Aug 4, 7:17 AM EDT | Tornado Warning | LWX | 28 min |
| Aug 4, 7:32 AM EDT | Flash Flood Warning | LWX | 4 hr |
| Aug 4, 7:42 AM EDT | Tornado Warning | LWX | 8 min |
| Aug 4, 10:47 AM EDT | Areal Flood Warning | LWX | 17 hr |
| Aug 4, 11:20 AM EDT | Areal Flood Warning | LWX | 21 hr |
| Aug 5, 10:51 PM EDT | Flash Flood Watch | LWX | 25 hr |
| Aug 6, 5:28 AM EDT | Areal Flood Warning | LWX | 94 min |
| Aug 7, 3:46 AM EDT | Flash Flood Watch | LWX | 21 hr |
| Aug 11, 3:19 PM EDT | Flash Flood Watch | LWX | 52 hr |
| Aug 12, 1:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 8:32 AM EDT | Areal Flood Warning | LWX | 6 hr |
| Aug 13, 9:25 AM EDT | Areal Flood Warning | LWX | 5 hr |
| Aug 15, 10:22 PM EDT | Flash Flood Watch | LWX | 11 hr |
| Aug 17, 9:10 AM EDT | Coastal Flood Advisory | LWX | 21 hr |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 25, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 25, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 25, 7:51 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Aug 25, 8:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 28, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 28, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | 33 min |
| Aug 28, 7:41 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Aug 28, 7:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 2:43 AM EDT | Areal Flood Warning | LWX | 12 hr |
| Aug 29, 12:08 PM EDT | Mesoscale Discussion | SPC | 3 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 | 6 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.