Alert archive / Winter Storm Watches
Winter Storm Watches in the United States, 2018
608 winter storm watches in 2018. Each alert counts once, however many counties it covered. The archive of winter storm watches reaches back to 2005.
Winter Storm Watches by state
Each state shaded by its count. Tap a state for its own archive.
- Winter Storm Watches
- 608
- Busiest month
- February118 winter storm watches
- Busiest day
- January 19, 201820 winter storm watches
Over time
By month
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Minnesota55
- Montana54
- Wyoming53
- California50
- Nebraska48
- Iowa40
- Wisconsin38
- Colorado36
- New York33
- South Dakota32
- Alaska26
- Washington26
- Pennsylvania25
- Idaho24
- Michigan21
- Connecticut21
- Maine20
- West Virginia19
- Virginia17
- North Carolina17
- Indiana16
- Massachusetts16
- Illinois15
- New Mexico15
- Texas14
- North Dakota14
- Kansas14
- Nevada14
- Maryland13
- New Jersey11
- Kentucky11
- Oregon11
- Ohio11
- Vermont9
- New Hampshire9
- Missouri9
- South Carolina6
- Rhode Island6
- Utah6
- Georgia5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive20172019
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.