Alert archive / Mesoscale Discussions / 2020
Mesoscale Discussions in the United States, August 2020
289 mesoscale discussions in August 2020. Each alert counts once, however many counties it covered. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by state
Each state shaded by its count. Tap a state for its own archive.
- Mesoscale Discussions
- 289
- Busiest day
- August 10, 202023 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas347
- Oklahoma248
- Kansas209
- Nebraska190
- Missouri179
- South Dakota168
- Mississippi150
- Minnesota143
- Arkansas141
- Louisiana140
- Alabama136
- Iowa134
- Illinois133
- Florida126
- Pennsylvania121
- North Dakota114
- Virginia111
- North Carolina110
- Georgia108
- New York104
- Wisconsin101
- Colorado100
- Tennessee99
- Ohio84
- Kentucky83
- West Virginia82
- Indiana82
- Maryland78
- Michigan73
- South Carolina72
- Wyoming70
- Montana68
- New Jersey64
- Massachusetts48
- New Mexico47
- New Hampshire46
- Delaware44
- Vermont42
- Connecticut42
- Maine33
Nearby
Alerts in force nowThe tornado archiveThe 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. Rebuilt daily.