1890: The middle Mississippi Valley saw a major tornado outbreak on this day with 24, estimated F2 or greater tornadoes impacting the area. At least 146 people were killed by tornadoes. The most notable of the tornadoes was an estimated F4 that carved a path from the Parkland neighborhood to Crescent Hill in Louisville, Kentucky. This tornado destroyed 766 buildings and killed an estimated 76 to 120 people. Most of the deaths occurred when the Falls City Hall collapsed.
1931: A blizzard struck western Kansas and adjoining states on March 26-27th was called the “worst since January 1888”. Twenty children, ages seven to fourteen, were stranded in a makeshift school bus for 33 hours during this blizzard.
1946: Winnipeg, Manitoba Canada thawed out as the mercury soared to 74 degrees, their warmest March temperature on record.
1964: Great Alaskan earthquake left at least 100 dead in Anchorage, Alaska. The magnitude 9.2 quake is the largest in US history and the second strongest worldwide. Waves reached 103 feet above the low – tide mark.
Source: The Great M9.2 Alaska Earthquake and Tsunami of March 27, 1964 – USGS.
1980: “On March 27, 1980, there is an explosion from the summit of Mount St. Helens, the first in 123 years. KGW (radio) has a plane in the air, and reporter Mike Beard gives his report, “the summit is oddly dark. As we draw near I see a crater two hundred feet across—a hole in the ice, black ash around it. It is clearly new.” By the end of the day on March 28, 1980, there are at least 12 additional explosions, with columns of steam and ash (phreatic eruptions) reaching nearly 10,000 feet above the volcano. A second crater forms to the west of the first and is visible on the morning of the 29th. Steam and ash mainly vent from this new crater.”
— USGS Volcanoes🌋 (@USGSVolcanoes) March 27, 2017
1994: The Southeastern Palm Sunday Tornado Outbreak occurred on this date. What began as a peaceful Palm Sunday quickly changed to a historic day in weather history when a powerful tornado ripped through southern Alabama and Georgia. By the time the storm was over, 22 people were dead, and 92 were injured. The F4 tornado cut a 50-mile path from Ragland in St. Clair, County Alabama to the Georgia line. The storm touched down near Ragland at 10:51 am. The storm struck Ohatchee than roared across northeastern Calhoun County, passing near Piedmont and hitting Goshen in Cherokee County. The most disastrous damage occurred at Goshen, where the twister struck the Goshen United Methodist Church at 11:37 am. 20 people were killed at the church, which did not hear the tornado warning issued 10 minutes earlier by the National Weather Service in Birmingham. A tornado watch had been issued at 9:30 am. Following the tornadoes, Vice President Al Gore pledged to extend NOAA Weatheradio coverage into the areas affected by the twisters, which had previously been unable to receive the alarm signals.
2017: Satellite loop of Cyclone Debbie closing in on landfall in Queensland, Australia.
— Met Office (@metoffice) March 27, 2017
— BOM Queensland (@BOM_Qld) March 28, 2017