A wake low developed behind an area of rain showers that moved through the region in the early morning hours of April 11th. There were reports of downed tree branches and scattered power outages due to downed power lines, as well as entire trees being downed by the powerful wind gusts that reached as high as 52 mph (45 knots) at Watertown Airport.
Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MKX wrote it up.
A wake low developed behind an area of rain showers that moved through the region in the early morning hours of April 11th. There were reports of downed tree branches and scattered power outages due to downed power lines, as well as entire trees being downed by the powerful wind gusts that reached as high as 52 mph (45 knots) at Watertown Airport.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before the first event at Apr 10, 8:39 PM CST, 3 hours 21 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
10 strong wind. Local standard time, as filed.
A measured gust to 52 mph (45 knots) was reported by the AWOS at Watertown Airport. The NWS office in Sullivan recorded a peak gust of 51 mph (44 knots).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2013Every state in 2013This day in weather historyWarnings in Wisconsin, April 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 449434, 449435, 449436, 449437, 449439, 449440, 449441, 449442, 449443, 449444.