Meteorological events that happened on June 15th:
McKinney, ND received 7.7 inches of rain in 24 hours setting a state record.
This was the wettest day at Regina, Saskatchewan Canada as 6.31 inches of rain fell.
The temperature at Fort Mojave, CA soared to 127°, the hottest reading on record for June in the U.S. The low that day was 97°. Morning lows of 100° were reported on the 12th, 14th and 16th of the month.
A high temperature of 116° at Las Vegas, NV set their all-time hottest June reading.
Dust devils are usually benign weather phenomena; however, two boys were injured by one on this date near Prescott, AZ. One of the boys suffered a black eye, and the other boy had two vertebrae fractured by wind-blown debris.
East Saint Louis, IL was deluged with 16.54 inches of rain in 24 hours, setting a state record.
Mt. Mansfield, near Stowe, VT, received four inches of snow.
A heat burst struck Kopperl, TX, located about 50 miles southwest of Fort Worth from a dying thunderstorm. As the air sank, it warmed to around 140°. When the heat burst struck the ground, winds fanned out at over 75 mph. People had to wrap themselves in wet blankets to protect themselves from the heat. Crops were burned to a crisp.
Heavy rain and hail raved parts of the northern Colorado Rockies. In southeast Denver, heavy rain flooded homes and streets. Hail to a depth of 4 inches on the ground stripped trees and drifted in to depths of 3 to 4 feet in places. Flood waters were as deep as 19 feet in places trapping many cars. Many creeks ran over their banks. A cell passed over Denver dropping 4 inches of rain in just 90 minutes. Damage totaled near a million dollars.
Scottsbluff, NE recorded the last of 11 consecutive days with measurable precipitation, their longest streak on record.
Severe thunderstorms brought heavy rain and high winds to much of the western two-thirds of Oklahoma. Winds gusting more than 70 mph dislodged a home from its foundation in Lawton, while winds stronger than 100 mph did extensive damage in Chickasha. The exact wind speed in Chickasha was not determined; because the wind gauge could only measure winds up to 100 mph. Torrential rain amounted to 7 inches in just a few hours near Loyal.
Heavy rains fell for two consecutive days across east central South Dakota through the 16th. Thunderstorms would develop and then move across the same areas repeatedly in what is called a train echo pattern. Rain amounts in the area included 6.9 inches at Watertown, 6.5 inches at Volga, and 7.5 inches at Bruce.
This was a rough day across portions of western and central South Dakota. A tornado touched down in Lemmon then skipped through town causing considerable damage. Numerous severe storms tore through central South Dakota with hail as large as baseballs and winds to 80 miles an hour causing $20 to $25 million dollars in damage across 15 counties. Several counties were declared disaster areas by the Governor of South Dakota.
Thunderstorms developing along a cold front produced severe weather in the northwestern U.S. A tornado damaged five homes and destroyed a barn near Salmon, ID. It lifted a metal shed 100 feet into the air, and dropped it 100 yards away. Hail an inch and a half in diameter caused $10 million dollars damage to automobiles at Nampa, ID.
Severe thunderstorms across parts of the Rockies and Central High Plains region spawned five tornadoes around Denver, Co in just one hour. A strong F3 tornado in southern Denver injured 7 people and caused $10 million dollars damage.
Many cities in the eastern U.S. reported record high temperatures for the date. The high of 97° at Portland, ME was a record for June.
Thunderstorms produced severe weather over the Mid Atlantic Coast and Southern States. The thunderstorms spawned 8 tornadoes, including a strong F3 which injured three people at Mountville, PA and four people at Columbia, PA. There were 111 reports of large hail or damaging winds, including wind gusts to 80 mph at Norfolk, VA and Hogback Mountain, SC.
A late-season frost occurred over parts of the Midwest. Scattered areas of frost caused considerable damage to the corn crop in low-lying areas across northern Iowa. Damage was estimated to be around $2 million dollars. The hardest hit counties were in Winnebago, Kosuth and Hancock Counties.
The largest volcanic eruption of the 20th Century began as Mt. Pinatubo injected 15 to 30 million tons of sulphur dioxide 100,000 feet into the atmosphere. 343 people were killed in the Philippines as a result of the eruptions and 200,000 were left homeless. Material from the eruption would spread around the globe, leading to climate changes worldwide as the sun's energy was blocked out and global temperatures cooled by as much as one degree Fahrenheit. 1992 was globally one of the coolest since the 1970s.
On the same day Mt. Pinatubo awoken from its 635-year slumber, Typhoon Yunya crossed the Luzon province in the Philippines. Mudslides and flooding caused many deaths and added with impacts of Pinatubo left more than a million homeless.
The second largest two-day tornado outbreak in U.S. history commenced as a developing cumulus cloud broke through the cap in north central Kansas and exploded into a huge supercell thunderstorm. Between 4:15 and 8:35 pm CDT, this supercell produced 39 tornadoes in north central Kansas including 12 in Mitchell County and 9 in Osborne County. Some of the storms reached an amazing 78,000 feet into the atmosphere. A farmer living south of Cawker City reported going to the basement in his farm home five different times and each time he came out of the basement, his farm had additional damage. He also reported that at one time, he counted 3 tornadoes on the ground and 4 funnels in the air. Damage to property in Mitchell County exceeded $12 million. Overall, 58 tornadoes struck the Great Plains during this outbreak.
A tornado touched down at the Colorado National Speedway near Dacano north of Denver, CO. The twister ripped through the south grandstand causing damage to a shed, kiosk, bleachers and several concession stands.
A new high temperature record was set in the country of Kuwait when the town of Abdalyh hit 126.7°.
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