WX History: April 11th

1951:

1965: Severe thunderstorms in the Upper Midwest spawned fifty-one tornadoes killing over 250 people and causing more than 200 million dollars damage. Indiana, Ohio and Michigan were hardest hit in the “Palm Sunday Tornado Outbreak.” Although no F5’s were officially reported, at least 22 were rated as F3 or F4. This is the third deadliest day for tornadoes on record, behind the Super Outbreak of 4/3/1974, and the outbreak that included the Tri-State Tornado of 3/18/1925. Dr. Ted Fujita discovered suction vortices during the Palm Sunday tornado outbreak. It had been believed the reason why tornadoes could hit one house and leave another across the street completely unscathed was that the whole tornado would “jump” from one house to another. However, the actual reason is because most of the destruction is caused by suction vortices: small, intense mini-tornadoes within the main tornado.

April 11, 1965 Elkhart Tornado
Tornado near Goshen, Indiana. The photo was taken by Elkhart Truth reporter Paul Huffman.

April 11, 1965 Palm Sunday 2

Source: NWS Office in Northern Indiana.  UStornadoes.com

1979:

1988: Sixteen cities in the western U.S., nine in California, reported new record high temperatures for the date. Afternoon highs of 95 degrees at Sacramento and 96 degrees at Bakersfield, California were the warmest on record for so early in the season.

2011:

 2012: The deluge began around 3:30 a.m. Over the next few hours, fast-moving hailstones pummeled the area north of Amarillo, Texas, which had lately been sitting in dust due to a lack of precipitation, according to the news organization. The hail mixed with melting hail turning the dust to mud and the mix create four-foot high mounds that shut down a major highway for the next 18 hours.

Source: NBC News.

2016:

2017:

2017:

2017:

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