Details on the Page and Ayr North Dakota Tornado

... Cass County tornadoes rated at EF1 near Ayr and Page...

Two or more funnels were observed by the public in northwest
Cass County on Wednesday evening May 30th, between 530 pm and 6 pm local time. At least two tornado touchdowns occurred, one was east northeast of Ayr
, and a second was near page and extending northwest.

The first tornado touched down about 4 miles east of
Ayr at around 530 pm and traveled for about 5 miles to the northwest by 540 pm. The tornado tore out four 2400 bushel grain bins, and broke off numerous tree branches at a farm 4 miles east northeast of Ayr . Maximum winds speeds were estimated at 100 to 105 miles an hour, indicating a tornado of Enhanced Fujita 1 (EF1) strength.

The second tornado touched down just south of page around 550 pm, and traveled for about 5 miles to the northwest by 6 pm. The tornado moved grain trailers and damaged a grain auger off the west edge of page...and produced intermittent tree branch damage from there to about 3 miles south of Colgate. Maximum wind speeds were estimated at 90 to 95 miles an hour, indicating a tornado of EF1 strength. 

An enhanced Fujita scale rating of EF1, is used for weak tornadoes with winds in a range between 86 and 110 miles an hour.

A National Weather Service storm survey team reviewed storm damage In northwest Cass County North Dakota on Thursday...following the Wednesday evening storms. Public observations, photographs, and damage trails were used to determine approximate tornado paths and intensities. 

For more information contact Gregory Gust, NWS Grand Forks Warning Coordination Meteorologist at 701.772.0720 x 726

Figure 1) Track of tornadoes in the Ayr and Page North Dakota area.
Figure 2) Note position "A" in Figure 1. Damage occurred east of Ayr.

Figure 3) Note Position "B" in Figure 1. Trailer pushed by tornadic winds. Note skid marks, center foreground.
Figure 4) Tornado approximately 1 mile west of Page, ND around 552 pm May 30 2007. Photo courtesy of Pastor Paul Simmons

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