At the end of the 19th century, America was beaming with confidence and feeling bigger and stronger than ever before. The city of Galveston, Texas was booming with a population of 37,000 residents on the east end of Galveston Island which runs about thirty miles in length and anywhere from one and a half to three miles in width. Its position on the harbor of Galveston Bay along the Gulf of Mexico made it the center of trade and the biggest city in Texas in the year 1900. A quarter of a century earlier, a nearby town was destroyed by a powerful hurricane and this object lesson was heeded by many Galveston residents and talks of a seawall to protect the city were quite prevalent. However, no seawall was built and sand dunes along the shore were actually cut down to fill low areas in the city, removing what little barrier there was to the Gulf of Mexico. This proved to be a fatal mistake for the city of Galveston in what nobody could foresee happening to this magical place that seemed destined to become the New York of the Gulf of Mexico.
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On September 1st, 1859, a ferocious solar storm took place that impacted much of the planet. This ferocious solar storm is now known as the “Carrington Event”, named after the British astronomer, Richard Carrington, who witnessed the largest solar flare from his own private observatory which caused a major coronal mass ejection (CME) to travel directly toward Earth. Recent studies of solar storms have warned that these type of “Carrington Events” may not be quite as rare as once thought (e.g., Hayakawa et al). Many previous studies leaned heavily on Western Hemisphere accounts, omitting data from the Eastern Hemisphere. A super storm of the same magnitude as the “Carrington Event” in today’s world would very likely have a much more damaging impact than it did in the 19th century potentially causing widespread power outages along with disruptions to navigation, air travel, banking, and all forms of digital communication.
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In a movie filled with memorable quotes, one of the shortest and simplest might have been “It’s a Twister!”, but it was part of a tornado scene that is still considered to be a classic more than eight decades later. August 25, 1939 was the official release date of the “Wizard of Oz" which was the first movie to depict an authentic looking tornado using improbable “1930’s style” special effects. Through the decades, this all-time classic has inspired movie-goers and “weather weenies” alike with the scene of a twister lifting Dorothy’s home into the sky over rural Kansas farm land.
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1969 was a remarkable year and will be long remembered as the year when man first walked on the moon, the Miracle Mets shocked the sports world, and the Woodstock Festival took place in upstate New York. It will also be remembered as the year when a major hurricane –Hurricane Camille – struck the United States as a category 5 storm and the second most intense tropical cyclone on record (only the 1935 Labor Day hurricane had a lower central pressure at landfall). Hurricane Camille made landfall in Mississippi and wreaked havoc from the Gulf States to as far inland as the Mid-Atlantic with widespread flooding, record rainfall, and it cost the lives of several hundreds of people along its path of destruction.
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The month of July so far has been warmer-than-normal across much of the nation, but it will certainly have a difficult time matching the extreme and sustained heat of July 1936. In fact, one of the most widespread and destructive heat waves ever recorded in the US took place in the summer of 1936 which fell right in the middle of arguably the hottest and driest decade ever for the nation.
The decade of the 1930’s is renowned for the “Great Depression” and the “Dust Bowl”, both of which caused calamitous human suffering in this country. Not only were huge numbers of crops destroyed by the heat and lack of moisture in the “Dust Bowl” era, but thousands of lives were lost as a result of the heat, drought and economic hardship. This extreme heat wave was particularly deadly in high population areas where air conditioning was still in the early stages of development. The heat wave experienced in 1936 began in late June, reached a peak in July, and didn’t really come to an end until September. Many of the all-time high temperature records that were set in the 1930’s in numerous cities and states still stand today.
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The high temperature later today at the Furnace Creek Visitor’s Center in Death Valley National Park, California will be around 120°F and while this is extremely hot, it will be well short of the observation there on this date in 1913. On July 10th, 1913, the weather observer at Greenland Ranch in Death Valley recorded a high temperature of 134°F and one hundred and twelve years later, this is still the highest air temperature ever reliably recorded on Earth. In addition to this all-time and worldwide high temperature record, the wild weather year of 1913 produced numerous other extreme events.
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Nowadays, when the people of New Orleans think of devastating hurricanes they think of Katrina, but before 2005, the most notorious storm name in Louisiana was Audrey. Sixty-eight years ago from Friday, Hurricane Audrey slammed into the southwest coast of Louisiana and became the strongest June hurricane and earliest major (category 3) to make landfall in the US. Hurricane Audrey killed hundreds of people – estimated to be somewhere between 400 and 500 - including many of whom to this day remain unidentified and tragically, about one-third of those were children. The high number of deaths - in an era without satellite imagery - were attributed to the storm moving ashore earlier and stronger than predicted while most people were sleeping.
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The official Atlantic Basin tropical season was barely underway in June of 1972 when a polar front interacted with an upper-level trough of low pressure over the Yucatan Peninsula. Within a few days, a tropical depression formed and the system moved slowly eastward and emerged in the western Caribbean Sea by the middle of the month. The depression began to intensify over the warm waters of the Caribbean Sea and soon became Tropical Storm Agnes – the first named storm of the 1972 tropical season. Ultimately, Agnes would reach hurricane status, grow to a diameter of about 1000 miles, and become the costliest hurricane at the time to hit the US and the Commonwealth of Pennsylvania was the prime focus of its wrath.
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With thousands of lives on the line, there is no doubt that the weather forecast made for the D-Day invasion in Normandy, France during World War II was the most important of all-time and one of the most difficult as well given the lack of sophisticated forecasting tools that we enjoy in today’s world. The first satellite image was still nearly sixteen years away (TIROS on April 1, 1960) and reliable computer forecast models were still decades away. Friday, June 6th, marks the 81st anniversary of the D-Day invasion and the weather forecast for that historic event makes for quite an interesting story in what turned out to be a pivotal moment in world history. Years of detailed planning went into the D-Day invasion on June 6, 1944, but success hinged on one element that no military commander could control — the weather. Defying his colleagues, Captain James Martin Stagg advised General Dwight “Ike” Eisenhower to postpone the invasion of Normandy by one day from June 5th to June 6th because of uncertain weather conditions in a weather forecast that changed the course of World War II and altered world history.
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It was during the height of the Cold War and a powerful solar storm could have led to a disastrous military conflict between the US and Soviet Union if not for the early efforts of the US Air Force to monitor solar activity. On May 23rd, 1967, a solar storm took place that was so powerful, it jammed radar and radio communications in polar regions and the US Air Force actually began to prepare aircraft for war thinking the nation’s surveillance radars were being jammed by the Soviet Union. Fortunately, space weather forecasters in the military suspected there might be another cause and they relayed information about the possibility that a solar storm could have been the reason for the disrupted radar and radio communications. As it turned out, this information was enough to keep the planes on the ground and the US avoided a potential nuclear weapon exchange with the Soviet Union.
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