10 most difficult weather riddles A list of weather related questions that are most often answered incorrectly Nature quiz Saffir-Simpson scale is used to measure ...Hurricane force. Officially, the Saffir–Simpson hurricane wind scale is used only to describe hurricanes forming in the Atlantic Ocean and northern Pacific Ocean east of the International Date Line. Other areas use different scales to label these storms, which are called "cyclones" or "typhoons", depending on the area.very hard 23% Speed supersonic jetsSpeed supersonic jets9%Shock wave at nuclear explosionShock wave at nuclear explosion49%Hurricane forceHurricane force23%Thunderbolt forceThunderbolt force18%Created by: Tschuka . Statistics based on 143 answers in 2 languages »physics riddles » What cloud occurs in the form of 'almost invisible curtain' and gives no rainfall?Cirrostratus is a high-level, very thin, generally uniform stratiform genus-type of cloud, composed of ice-crystals.very hard 35% CirrocumulusCirrocumulus18%CirrostratusCirrostratus35%StratocumulusStratocumulus24%StratusStratus21%Created by: Tschuka . Statistics based on 2058 answers in 2 languages »atmosphere riddles » What clouds produce a drizzle?Stratus. The term stratus is used to describe flat, hazy, featureless clouds of low altitude varying in color from dark gray to nearly white. Stratus clouds may produce a light drizzle or a small amount of snow. These clouds are essentially above-ground fog formed either through the lifting of morning fog or through cold air moving at low altitudes over a region. very hard 38% stratusstratus38%cumuluscumulus17%cumulonimbuscumulonimbus20%cirruscirrus23%Created by: Tschuka . Statistics based on 4207 answers in 2 languages »clouds riddles » What is the name of this cloud?Arcus clouds most frequently form along the leading edge or "gust fronts" of thunderstorm outflow; some of the most dramatic arcus formations mark the gust fronts of derecho-producing convective systems. Roll clouds also may arise in the absence of thunderstorms, forming along the shallow cold air currents of some sea breeze boundaries and cold fronts. very hard 39% Arcus cloudArcus cloud39%CirrostratusCirrostratus17%StratusStratus12%NimbostratusNimbostratus30%Created by: Tschuka . Statistics based on 4353 answers in 2 languages »nature riddles » The fear of thunder and lightning is called ...Brontophobia is an abnormal fear of thunder and lightning that can be developed both by humans and animals. A person with brontophobia will often feel anxious during a thunderstorm even when they understand that the threat to them is minimal.hard 40% brontophobiabrontophobia40%agoraphobiaagoraphobia18%aerophobiaaerophobia22%cynophobiacynophobia18%Created by: Ninjai. Statistics based on 414 answers in 2 languages »phobias riddles » What cloud is it?Cumulus clouds are clouds which have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance. Cumulus clouds can be formed from water vapor, supercooled water droplets, or ice crystals, depending upon the ambient temperature. They come in many distinct subforms, and generally cool the earth by reflecting the incoming solar radiation. hard 44% cumulonimbuscumulonimbus13%cirruscirrus29%cumuluscumulus44%stratusstratus12%Created by: Tschuka . Statistics based on 5004 answers in 2 languages »sky riddles » What cloud is it?Cumulonimbus, from the Latin cumulus ("storm cloud"), is a dense, towering vertical cloud associated with thunderstorms and atmospheric instability, forming from water vapor carried by powerful upward air currents. If observed during a storm, these clouds may be referred to as thunderheads. Cumulonimbus can form alone, in clusters, or along cold front squall lines. These clouds are capable of producing lightning and other dangerous severe weather, such as tornadoes. hard 45% stratusstratus7%cumuluscumulus37%cumulonimbuscumulonimbus45%cirrostratuscirrostratus8%Created by: Tschuka . Statistics based on 5540 answers in 2 languages »nature riddles » What is the name given to the local dry wind in the Rocky Mountains?Chinook is claimed to mean "ice-eater", as it can make snow one foot deep vanish in one day. The snow partly melts and partly evaporates in the dry wind. The greatest recorded temperature change in 24 hours was caused by Chinook winds on 15 January 1972, in Loma, Montana; the temperature rose from −48 to +9 °C (−54 to +49 °F)hard 49% ChinookChinook49%HalnyHalny22%BoraBora13%SamumSamum14%Created by: Tschuka . Statistics based on 3471 answers in 2 languages »meteorology riddles » In 2002, Steve Fosset became the first person to fly around the world in a hot air balloon. Where did he start and land?In Australia. Fossett chose a southern hemisphere route to take advantage of prevailing easterly winds and the lack of mountain ranges. His path after leaving Australia was straight across the South Pacific, past Easter Islands, and over the southern tip of South America.hard 53% in the United Statesin the United States31%in Australiain Australia53%in Brazilin Brazil10%in Russiain Russia4%Created by: Kasia. Statistics based on 18187 answers in 2 languages »aviation riddles » What is the name of this phenomenon?Iridescence is the phenomenon of certain surfaces that appear to gradually change colour as the angle of view or the angle of illumination changes. Examples of iridescence include soap bubbles, butterfly wings and sea shells, as well as certain minerals. It is often created by structural coloration (microstructures that interfere with light).hard 54% advectionadvection12%iridescenceiridescence54%rainbowrainbow13%Morning GloryMorning Glory19%Created by: Ninjai. Statistics based on 1456 answers in 2 languages »optics riddles » Play nature quiz and see all the questions.