Alert archive / Mesoscale Discussions / 2004
Mesoscale Discussions in the United States, March 2004
100 mesoscale discussions in March 2004. 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
- 100
- Busiest day
- March 4, 200419 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.
- Texas518
- Oklahoma338
- Kansas312
- Missouri302
- Nebraska271
- Illinois264
- Iowa244
- South Dakota210
- Indiana204
- Minnesota200
- Arkansas180
- Ohio171
- Pennsylvania166
- Mississippi165
- Georgia156
- Louisiana155
- Alabama153
- Virginia152
- Kentucky149
- Wisconsin148
- Michigan144
- North Carolina144
- Florida141
- Colorado132
- New Mexico127
- New York126
- West Virginia123
- North Dakota121
- Tennessee114
- Maryland102
- South Carolina99
- Montana74
- New Jersey65
- Wyoming59
- Massachusetts45
- Delaware44
- Vermont43
- Arizona40
- Connecticut38
- New Hampshire38
Nearby
Alerts in force nowThe tornado archiveThe radar archive20032005
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.