Alert archive / Winter Storm Watches
Winter Storm Watches in the United States, 2015
546 winter storm watches in 2015. 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
- 546
- Busiest month
- February144 winter storm watches
- Busiest day
- February 20, 201519 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.
- Colorado58
- Alaska32
- Wyoming31
- California30
- New Mexico28
- Washington28
- Texas27
- Maine26
- Nebraska24
- New York23
- Pennsylvania23
- Idaho22
- Iowa22
- Indiana20
- Montana19
- Oregon19
- Michigan18
- Virginia18
- Minnesota18
- Ohio18
- West Virginia18
- North Carolina18
- Arkansas17
- Maryland17
- Connecticut17
- South Dakota16
- Illinois15
- Kentucky15
- Oklahoma14
- Kansas14
- Missouri14
- Massachusetts13
- Tennessee13
- Wisconsin12
- Nevada11
- New Hampshire10
- Vermont10
- New Jersey10
- Utah10
- North Dakota7
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive20142016
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.