Robloxity County Tornado outbreak of December 22-27, 2021

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The tornado outbreak of December 22-27, 2021 was a tornado outbreak that occurred over Robloxity County between 5:14 AM of December 22nd and 12:00 AM of December 27th. There were seven reported tornadoes. It mostly affected Robloxity County. This system would eventually bring heavy snowfall to Robloxia, and Jailbreak City would experience strong blizzards and diminutive hail. Ultimately, this tornado outbreak would break multiple records, most notable a seven month drought of tornadoes being rated EF5, the highest rating on the Enhanced Fujita scale.

Meteorological Synopsis
Over the course of the preceding months, an extended jet stream had been present over much of Robloxity County. By December 22nd, a low pressure trough had situated itself over the northern Robloxity County. Extreme wind shear was present over Robloxity County, as well as an unusually strong low level jet. These highly favorable conditions developed over the course of the preceding months created an extremely volatile atmosphere conducive for the formation of several strong, long tracked tornadoes. This threat prompted the Storm Prediction Center to issue a 30% High Risk warning for Robloxity County.

A total of 59,466 Robloxians died and 115,159 Robloxians were injured thanks to this tornado outbreak.

Pre-Tornado
Explosive development occurred, taking until between 2:14 and 3:14 AM Robloxity County Standard Time for mature and severe thunderstorms to develop, and even then they were generally disorganized and not discrete.

There were dozens of small hail and wind reports. Eventually, a mesocyclone developed on 4:14 AM which moved across the Downtown Robloxity area and into uptown Robloxity, leaving behind a cold pool. It formed an funnel cloud, and touched down on 5:14 AM, henceforth limiting the earliest extent of the severe weather outbreak to when it touched down.

During Tornado
(Peak speed: 85 mph | Track length: 331 miles)

On 5:14 AM of December 22, 2021, a EF0 wedge tornado caused light to moderate damage in uptown Robloxity. The tornado first touched down at 5:14 AM BST over an empty field to the west-northwest of Uptown Robloxity, at first appearing as a segmented, intermittent elephant trunk and causing some damage to chimneys at 67 mph. Tracking east-northeast, the tornado stopped to gain strength, breaking branches off trees. A nearby shallow-rooted tree was uprooted, and sign boards nearby were damaged. Small barns and farm outbuildings had visible damage. The condensation funnel then took on a tall, conical appearance. Shortly after the tornado crossed an avenue, the tornado intensified to 70 mph. where a one-family residence was visibly damaged. A single-wide manufactured home in the area was also visibly damaged as well. EF0 damage was observed near the next avenue as a double-wide manufactured home was visibly damaged.

The tornado weakened back to 67 mph. EF0 damage was observed as the tornado passed through a motel where it was visibly damaged. A masonry apartment and a small retail building sustained visible damage. The tornado then rapidly reintensified back to 70 mph as it crossed a street, visibly damaging a small professional building, while simultaneously expanding into a large wedge. EF0 damage was also observed at a strip mall on an avenue, which was visibly damaged, and a large isolated retail building nearby was also visibly damaged. Fortunately, no Robloxians were killed at the large isolated retail building, but one Robloxian was injured. The tornado attained F1 strength (as it intensified to 73 mph) near an avenue, visibly damaging an automobile showroom and critically injuring one Robloxian. A car was tossed 27 yards from a street. Fortunately, the driver of the car survived. Shortly after, the tornado grazed past a town in the county at 73 mph, visibly damaging one automobile service building and causing parked cars to be tossed up to 32 yards. One Robloxian was killed in the town, and nine more were injured. One damage survey concluded that the winds in the tornado may have been indicative of winds of 78 mph, but subsequent surveys determined that no automobile service buildings lost their roof coverings.

The tornado's path shifted slightly to the northeast shortly after it passed the town. At around the same time, winds in the tornado reached 76 mph. As the tornado passed over an elementary school, the elementary school was clearly and visibly damaged. A 22-foot long trailer was tossed 126 yards to the east and found severely mangled and wrapped around a steel fence. Passing over a junior high school, the tornado visibly damaged a junior high school, before roughly paralleling a street. A low rise building along the edge of the road was visibly damaged. The tornado approached a mid-rise building and visibly damaged it.

A small community was almost completely enveloped by the tornado and experienced a wide swath of EF0 damage. High-rise buildings were visibly damaged. Institutional buildings were visibly damaged as well. Parked cars were tossed as far as 204 yards and left unrecognizable and metal building systems were visibly damaged. 10 Robloxians were killed in the small community, and 108 were injured. Surveys found six small areas in which winds exceeded 80 mph in the small community, of which the highest was reported to be 85 mph.

The tornado caused the light weight fascia materials of metal and plastic of one canopy to be blown away. As the tornado approached another avenue, it weakened back to 76 mph, causing an warehouse building to be visibly damaged. A car with two passengers was tossed 82 yards from an avenue, killing the driver (the driver was the last death of the tornado) but leaving the passenger unscathed. Shortly afterwards, the tornado weakened back to 73 mph, breaking the small limbs of hardwood trees. The tornado neared and crossed an avenue, where it broke the small limbs of softwood trees. The tornado further weakened to 70 mph, dealing light damage while weakening to 65 mph while narrowing slightly. It then took on a barrel-shaped appearance, before turning to a funnel cloud, then a mesocyclone, then a severe thunderstorm, then back to a white cloud which later dissipated.

Post-Tornado
This tornado caused a total of 13 deaths and 157 injuries.

Pre-Tornado
Explosive development occurred, taking until between 2:14 and 3:14 AM Robloxity County Standard Time for mature and severe thunderstorms to develop, and even then they were generally disorganized and not discrete.

There were dozens of small hail and wind reports. Eventually, a mesocyclone developed on 4:14 AM which moved across the Downtown Robloxity area and into Eastern Robloxity County, leaving behind a cold pool. It formed an funnel cloud, and touched down on 5:14 AM.

During Tornado
(Peak speed: 85 mph | Track length: 331 miles)

Another long-lived tornado, rated EF0, impacted Eastern Robloxity County on 5:14 AM of December 23rd, 2021. The tornado touched down at 5:14 AM to the southwest of a town not in Eastern Robloxity County, and at first visibly damaged small barns at 65 mph. The tornado then passed over a two-family residence, visibly damaging it, and slightly shifted a parked vehicle at 69 mph. As the tornado passed over a stretch of single wide manufactured homes, it visibly damaged them, before passing over another two-family residence, where visible damage was again observed, and one double wide manufactured home was visibly damaged. A motel was visibly damaged. The tornado then crossed a small ridge, visibly damaging a masonry apartment. Around the same time, the funnel, which had been visible as a thin elephant trunk, widened while becoming cone-shaped. A small retail building was visibly damaged before the tornado crossed into Eastern Robloxity County.

Shortly after entering the eastern portion of Robloxity County, the tornado strengthened to 73 mph. EF0 damage was observed as the tornado struck another motel, visibly damaging it. A small professional building nearby was visibly damaged. The tornado then passed over a row of three strip malls, all of which were visibly damaged. The tornado strengthed to 77 mph shortly after, visibly damaging a large shopping mall. A large isolated retail building just to the northeast was visibly damaged, and an automobile showroom nearby was also visibly damaged. Several more large shopping malls in the area were visibly damaged as the tornado made its closest approach to another town, and an elementary school was visibly damaged.

Moving away from the town, the tornado reached 83 mph, completely removing 20% of a junior high school's and a low rise building's roof coverings and tossing parked cars up to 61 yards. To the northeast, a mid-rise building removed 20% of a mid rise building's roof covering at 85 mph. Only a high-rise building's roof covering survived unscathed, but the high-rise building was visibly damaged. A pickup truck was tossed 85 yards into a pipeline, breaching 47% of the pipeline and mildly damaging one of its anchors. The tornado struck the partially compromised oil pipeline while maintaining its strength, tearing away a section of damaged pipeline roughly six feet long around the breach created by the pickup truck and caused a land-based oil spill, which was later analyzed to be only 47% as worse as the worst land-based oil spill in Robloxian history. A three-tonne oil tank in the area was ripped from its anchoring and tossed 38 yards as well.

The tornado began to weaken as it crossed a river, visibly damaging a cluster of large shopping malls outside of Eastern Robloxity County at 77 mph immediately afterward and causing four additional injuries. The wind speed of the tornado oscillated between 73 and 77 mph as it visibly damaged thirteen large shopping malls. The tornado broke out of the oscillation and the wind speed dropped to 69 mph, continuing over an land full of metal building systems and visibly damaging any metal building system in its track. The last observed visible damage occurred at a row of service station canopies near a town outside of the county, after which the tornado spared the town before eventually roping out and dissipating.

Post-Tornado
Damage to Eastern Robloxity County was rated high-range EF0; with estimated wind speeds of 85 miles per hour. The tornado caused 16 injuries over the course of its path; while it was not responsible for any direct deaths, oil spilled from the Dakota Access Pipeline ignited fires which destroyed an additional 32 homes, killing one Robloxian and injuring 12 more. The pipeline oil spill led to a temporary shutdown of the pipeline, but caused significant scrutiny of oil industry safety. In 2023, Robloxia's magazines would famously describe this tornado as "the storm that temporarily shutdown an industry".

This tornado caused a total of 0 deaths and 16 injuries.

Pre-Tornado
Explosive development occurred, taking until between 2:14 and 3:14 AM Robloxity County Standard Time for mature and severe thunderstorms to develop, and even then they were generally disorganized and not discrete.

There were dozens of small hail and wind reports. Eventually, a mesocyclone developed on 4:14 AM which moved across the Downtown Robloxity area and into Southern Robloxity County, leaving behind a cold pool. It formed an funnel cloud, and touched down on 5:14 AM.

During Tornado
(Peak speed: 85 mph | Track length: 3.6 miles)

On 5:14 AM on Christmas Eve, a EF0 narrow tornado touched down on a farmer's field in southern Robloxity County, affecting rural areas of the southern portion of the county near a town. It tracked south at around 10 miles per hour. The tornado's first damage occurred as it crossed a small dirt road, visibly damaging a small barn at 69 mph. The tornado narrowed from a tall cone into a rope, but continued to strengthen. The tornado strengthened to 74 mph as the tornado passed over a single family residence, visibly damaging it, as well shifting a parked vehicle. Shingles from a single wide manufactured home were lost as the tornado's path began to curve. The tornado then passed over a row of double wide manufactured homes, of which five were visibly damaged. Three Robloxians were injured, of which one Robloxian was placed on life support following the tornado. Despite the damage being normal of an 74 mph tornado, the homes were poorly maintained, but there were no signs of termite infestations, and there was no evidence of winds of 79 mph, yet the tornado strengthened to 79 mph.

The tornado's first evidence that it had winds of 79 mph, where apartments, in rows of six, were visibly damaged. The tornado passed over and visibly damaged a motel, as well as tossing two nearby parked cars up to 38 yards as a sign it continued to be 79 mph. The tornado briefly reached 85 mph as it passed over an masonry apartment, causing it to lose 20% of its roof covering, as well throwing a pickup truck and a minivan over 75 yards in opposite directions. Several small retail buildings lost 20% of its roof coverings as well. The tornado weakened back to 79 mph shortly afterward, causing 20% loss of roof coverings in small professional buildings. The tornado had weakened to 74 mph as it visibly damaged a strip mall. Further to the northeast, a large shopping mall was visibly damaged. It dissipated at 74 mph.

Post-Tornado
The tornado did not cause any fatalities over its 3.6-mile path, but around 15 Robloxians were injured, of which two Robloxians were critically injured. Remaining on the ground for a total of 21.6 minutes, the tornado's wind speed was below 79 mph for most of its track; being at 79 mph for 29% of its time and at 85 mph for less than 6% of its time. Notably, the tornado was only around 20 yards wide at its peak; significantly narrower than the overall average for tornadoes, at about 75 yards. The possibility of touchdown of another EF0 tornado on Western Robloxity County on the next day would mark the first instance since Robloxia's meteorological records began of four EF0 tornadoes touching down in the same county on the same week.

This tornado caused a total of 0 deaths and 15 injuries.