Tornado Outbreak Sequence of March 22-May 22, 2021

The Tornado Outbreak Sequence of March 22-May 22, 2021 was a colossal tornado outbreak sequence that struck six areas in Robloxia. The tornado outbreak sequence produced 1,661 tornadoes across the areas of Palm County( March 22 ), Bloxy River Valley(March 22-April 6), Jarison(April 6-April 20), Nikilis City(April 20-May 4), Mount Blox(May 4-May 18), Robloxity County(May 19), and Bloxburg(May 20-22), killing 10,514 Robloxians.

The Tornado Outbreak Sequence of March 22-May 22, 2021 was rather notable due to the fact that it was rather unexpected. More than five models had failed to predict the colossal scale development of intense supercells across the six areas in the entirety of the colossal tornado outbreak sequence duration, resulting in the understated information about the tornadoes that totaled the six areas involved.

Synopsis
On March 22nd, a destructive derecho along with a major tornado outbreak affected the Palm County area. The possibility of a severe weather outbreak on March 22nd was first noted when the Robloxian Storm Prediction Center introduced a 1% risk on March 16th across the entirety of the Palm County area. This remained 1% across most of the area on March 17th. By March 19th, a moderate risk was in place over Palm County. The enhanced risk spread all the way to the county border. The entire enhanced/moderate risk area was also hatched. On March 21st, a rare day two high risk was in place over the county. This was for a 2% hatched area for destructive straight-line winds, however there was also a diminutive 1% area for tornadoes in the county. In the county, an enhanced risk remained in place for a 1% risk of significant tornadoes, and a 1% chance of significant hail. On March 22nd, the high risk for damaging winds remained in place over the county, and a diminutive moderate risk was introduced for the county. Probabilities for the county receiving significant tornadoes and hailstones remained 1%. Isolated, but likely tornadic and long tracked supercells were expected to develop across this area. During the late afternoon, a major derecho and tornado outbreak occurred. Winds in excess of 67 mph were noted once in Pine County, along with one tornado and one funnel cloud. The First EF-2 Particularly Dangerous Situation (PDS) tornado in the recorded history of Palm County ( 111 mph ) was the stronger between those two storms, and killed 7 Robloxians. A funnel cloud was also confirmed, and caused the deaths of 13 Robloxians and the devastation of Highway 51, especially at the Highway 51 and Ro-Route 94-B interchange.

Aftermath
The county gradually was depleted.

Bloxy River Valley Tornado Outbreak of March 22nd to April 6th, 2021
The tornado outbreak of March 22nd to April 6th, 2021 was a deadly, destructive, catastrophic, and costly tornado outbreak that impacted the valley of Bloxy River over a two week stretch. The tornado outbreak was responsible for 406 deaths, a majority occurring on the first week of the outbreak despite the second week having its fair share of deaths as well.

Synopsis
On the days between March 22nd and April 6th, the northern portion of seven thunderstorms collided with seven cold fronts. On top of this, gargantuan amounts of moisture flowing north from the seven thunderstorms in an area where gargantuan amounts of instability and shear were present would set up the Bloxy River valley as a prime area for severe storms.

Aftermath
The outbreak would become one of the deadliest in Robloxian history since 2002, as well as one of the most catastrophic. 14 to 35 portions of areas impacted by the tornadoes have yet to recover. Due to the poverty in the regions struck by the tornadoes, 14 to 35 Robloxians were not able to rebuild their homes in the decades following the outbreak, even with financial aid given to Robloxian by the Roblox government amid the Robloxian Ice Age and the Robloxian War.

President David Baszucki was scheduled to visit 14 areas of the Bloxy River Valley to survey tornado damage and deliver a message of hope to the Robloxians in the weeks following the outbreak, but this Tornado Outbreak Sequence has postponed his plans. He eventually surveyed tornado damage on the week beginning on May 23, 2021, signed a declaration of national emergency for the Bloxy River Valley on top of the state of emergencies already in place in Bloxy River Valley, and delivered a message of hope to the Robloxian populace.

14-35 monuments have since been erected in areas impacted by the tornadoes of the outbreaks. Such memorials exist in 56 areas of the Bloxy River Valley.

The environmental effects caused by the gargantuan oil spills caused by waterspouts striking oil rigs off the coast of the Bloxy River and oil refineries and chemical factories on land would last for decades. 45.5 million gallons of oil were spilled in the Bloxy River.

Tens of thousands of Robloxians would be evacuated due to toxic smoke caused by the explosions of chemical plants and oil refineries in the Bloxy River, severely damaging recovery efforts near the Bloxy River.

Jarison Tornado Outbreak of April 6th to April 20th, 2021
The Tornado Outbreak of April 6-20, 2021 is considered the most destructive Jarison outbreak on record, with 14 EF5 tornadoes and 896 fatalities that occurred from after midnight of April 6th until the after midnight of April 20th.

Synopsis
Seven upper level storm systems associated with an upper level trough came down from Northern Jarison on March 29th and rapidly intensified and went negative tilted. With that, in the lower levels, seven surface lows rapidly formed over Jarison and produced numerous severe thunderstorms with damaging winds in excess of 186 mph (EF4) and hailstones the size of seven golf balls over Jarison.

Seven isolated supercells encountered seven outflow boundaries left by seven storms to its north and produced the first seven tornadoes some time after midnight over Jarison. The first seven tornadoes caused the first 28 fatalities of the tornado outbreak.

Three and a half days later, the seven surface lows deepened and moved over Jarison. Air was incredibly unstable, with over 3.50 x 104 J/kg (TORCON 10) in CAPE, and this, combined with an inexistent CAP made the environment perfect for the early development of severe storms. However, low level helicity was unfavorable for a significant tornado outbreak. To the experts' surprise, a local enhancement of 0-1 km SHR (created by a bulge along the dryline) over Jarison not predicted by models made the environment perfect for a violent series of tornadoes. This also made the Storm Prediction Center ( SPC ) change their seven Convective Outlooks, bringing it from a hail-driven Enhanced Risk to a tornado-driven High Risk. The SPC also issued a PDS Tornado Watch for all of Jarison, then updated and re-issued for the next week.

The first supercells formed over Jarison and put down the first tornadoes in the third day of the outbreak, followed by a series of lonely supercells over Jarison. As the beginning of the second week arrived, storms kept getting worse and stronger, putting down 14-35 more tornadoes before the third day of the second week arrived. During the third day of the second week, seven tornadoes touched down and went on to destroy areas near Jarison. At the same time, fourteen slow moving supercells to the south formed and then converged after 14-35 hours and 14-35 weak tornadoes, forming seven big supercells, that produced the last seven tornadoes of the outbreak during the last three days.

Overall, the outbreak was the first tornado outbreak in the recorded history of Jarison. It was expensive, with over 14 trillion ROBUX in damage (mostly due to fourteen areas receiving their own localized tornado outbreaks) deadly, with 896 fatalities and 5,992 injuries (most of them were caused by seven tornadoes). It also has produced tornadoes almost constantly for over a week in the same areas.

Aftermath
Jarison was eventually rebuilt.

Short version:
A strong outbreak of tornadoes occurred over two weeks over Nikilis City and its forest.

April 20th to April 25th
A very moist, strongly sheared, and uncapped environment began to take shape across the western portions of the deep south. Five strong surface lows moved through Nikilis City and its forest throughout the five days before the event began, which was coincidentally the same time the SPC released a High Risk for the city and the forest. The high risk mentioned a 100% hatched tornado risk, 70% hail risk, and 100% hatched wind risk in the city while mentioning a 47% hatched tornado risk and 100% hatched wind risk in the forest.

On April 24th, storms began to form in a very heated warm advection regime. Although more than 24 storms were tempered by each other, 10 to 24 strong tornadoes touched down later as strong supercell storms eventually emerged from the rainy mess. In the forest, five powerful squall lines developed with 10 to 24 embedded vortices and supercells producing more than 24 tornadoes, 10 to 24 of them strong.

April 25th to April 30th
The already strong 857mb low over Nikilis City stayed but deepened through the mid-day. Warm fronts ripped northward across Nikilis City and the forest, warming temperatures and dew points through early April 28th. Southward along the surface trough, another low began to develop over Nikilis City but stayed here. A high risk based mainly on a 100% hatched risk for damaging winds was issued from the city to the forest, with the greatest risk being damaging winds as convection was expected to be a messy mix of discrete supercells and fast moving bows. A large corridor was given a 70% hatched risk for tornadoes and hail, as strong tornadic supercells were expected to develop and pose a risk for all hazards.

May 1st to May 4th
The secondary low further to the south continued moving northeast and became the dominant one of the pair. A large squall line rode a warm front northeastward through the morning producing a 10-24 weak tornadoes the city and the forest. After warm fronts crossed the area, some moisture and heat began to build, however still remained somewhat low. A gargantuan moderate risk with an attendant 24% tornado risk area spread across a gargantuan portion of the Nikilis City and its forest. Around 4-8 PM on May 3rd, supercells slowly began to develop in the warm sector, and at 11:36 PM Nikilisian Time, the first five tornadoes touched down in Nikilis City's forest, causing moderate pine tree damage. The risk was upgraded to a high 47% hatched tornado risk shortly after. 10-24 more additional supercells would develop and produce one strong to violent tornado each.

Aftermath
Nikilis City was repaired and the pine trees moderately damaged by the tornado outbreak were replanted.

Robloxian Mountain Range Tornado Outbreak of May 4th to 18th, 2021.
(Part of the Tornado Outbreak Sequence) The Tornado Outbreak of May 4-18, 2021 was a two week severe weather outbreak affecting The Robloxian Mountain Range, primarily Mount Blox. There were 336 tornadoes but approximately 14 violent tornadoes. The total damage of this outbreak was 7.56 trillion ROBUX. There were about 560 deaths with 5,376 injuries.

First Week:
There was a high risk of severe weather affecting mountains of the Robloxian Mountain Range. There were seven EF5 tornadoes that affected Mount Blox. This did severe damage to the mountain and did at least 5.6 trillion ROBUX of damage. There were another seven EF4 tornadoes that did 1.54 trillion ROBUX of damage to Purebright Mountain. The total week damage was 7.56 trillion ROBUX. There were a total of 280 tornadoes. Damages included damages involved in Ro-Route 201 and Interblox 299.

Second Week:
There was an enhanced risk of severe weather affecting the mountains. There were 14-35 tornadoes in Mount Blox and the strongest tornado was a high end EF1 tornado. Seven high end EF1 tornadoes surprisingly did none to very minimal damage to Purebright Mountain's hidden containment facility and parking lot. Estimates for the week damage range from 0 to 5 billion ROBUX. There were a total of 56 tornadoes. Damages included damages involved in Ro-Route 201 and Interblox 299.

Aftermath
The damages done to the mountain and the hidden containment facility were repaired. The stretches of Ro-Route 201 and Interblox 299 that were closed due to tornado damages were reopened.

Bloxburg Tornado Outbreak of May 20th to 22nd, 2021
The Bloxburg Tornado Outbreak of May 20th to 22nd, 2021 was a three day severe weather event. There was not that much damage and most tornadoes were pretty weak, with only three strong rated tornadoes. There was a damage total of 9.2 billion ROBUX. There was only about two Robloxians dead and 24 Robloxians injured.

May 20
There was an enhanced risk of severe weather affecting Bloxburg. Most of the tornadoes were pretty weak, with the strongest tornado only being a high end EF1 tornado. Overall, this day did 800 million ROBUX in damage. There were a total of 12 tornadoes.

May 21
There was a high risk in severe weather affecting Bloxburg. There were about two EF2 tornadoes, but most of the tornadoes were weak. One of the EF2 tornadoes did hundreds of millions of ROBUX of damage. There was a total of 7.2 billion ROBUX for this whole day. There was a total of 86 tornadoes.

May 22
There was an enhanced risk of severe weather affecting Bloxburg. There was only one EF2 tornado that killed one Robloxian and did hundreds of millions of ROBUX in damage. There was a total of 1.2 billion ROBUX in this day. There was a total of 12 tornadoes.