Hail, McHenry
- When
- April 13, 10:00 AM CST to 10:05 AM CST
- Where
- McHenry County, 4.15 mi S of Bergen
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 47.940, -100.720
In the early afternoon hours of April 13th, Severe Thunderstorm Watch 70 was issued for portions of western and central North Dakota in anticipation of severe thunderstorms developing downstream of a strong upper level trough, and in the vicinity of an eastward moving cold front. Due mainly to relatively low instability parameters, only marginal severe thunderstorms developed.
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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 BIS wrote it up.
In the early afternoon hours of April 13th, Severe Thunderstorm Watch 70 was issued for portions of western and central North Dakota in anticipation of severe thunderstorms developing downstream of a strong upper level trough, and in the vicinity of an eastward moving cold front. Due mainly to relatively low instability parameters, only marginal severe thunderstorms developed. One report of large hail and three reports of severe thunderstorm winds were received.
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 Bismarck, ND wrote its last area forecast discussion before the first event at Apr 13, 1:56 AM CST, 8 hours 4 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 thunderstorm wind, 1 hail. Local standard time, as filed.
Tree damage from thunderstorm winds was reported near Halliday.
High winds from thunderstorms caused a large tree to fall on a mobile home in Mandan. One person in the home received minor injuries. Time is estimated.
High winds from thunderstorms toppled two tandem trailers on a semi along Interstate 94 west of Mandan. The location and time are estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2010Every state in 2010This day in weather historyWarnings in North Dakota, April 2010
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 2026-10-01. Each event’s entry at NCEI: 224421, 224422, 224423, 224424.