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  • Hook echo - Wikipedia
    A hook echo is a pendant or hook-shaped weather radar signature as part of some supercell thunderstorms It is found in the lower portions of a storm as air and precipitation flow into a mesocyclone, resulting in a curved feature of reflectivity
  • Severe Weather 101: Tornado Detection
    A “hook echo” describes a pattern in radar reflectivity images that looks like a hook extending from the radar echo, usually in the right-rear part of the storm (relative to the motion of the storm)
  • Radar Signatures for Severe Convective Weather: Hook Echo, Print Version
    The Hook Echo is located in the vicinity of the updraft, typically on the left-rear flank of cyclonic storms in the southern hemisphere, underneath a sloping echo overhang and below the storm’s echo top
  • NWS Radar: Key Indicators in Warning Decisions
    A hook echo is a region of a supercell thunderstorm where tornado formation can occur Usually found on the south or southwest side of a supercell, hook echoes are a good indication that the updraft in the thunderstorm is very strong
  • What Is A Hook Echo? - AEANET
    A hook echo simply indicates the presence of a mesocyclone and increased probability of tornado formation Other factors, such as the intensity and depth of the mesocyclone, and the surrounding atmospheric conditions, also play a crucial role
  • What is a hook echo on radar imagery? - clrn. org
    It consists of a mixture of large raindrops and, critically, hail Hail’s high reflectivity makes it a significant contributor to the strong signal returned to the radar, enhancing the visibility of the hook echo feature
  • What Causes a Hook Echo? Understanding the Meteorological Phenomenon
    The formation of a hook echo occurs as air and precipitation are drawn into the storm’s center, creating a curved feature on radar As the strong updraft rotates, precipitation is wrapped around, which leads to the recognizable “hook” shape
  • Hook echo | meteorology | Britannica
    …updraft to produce a “ hook echo,” a hook-shaped region of precipitation that flows out of the main storm and wraps around the updraft Such inferences were highly subjective and prone to false alarms or very short-notice warnings
  • hook echo - Glossary of Meteorology
    The hook echo is a fairly shallow feature, typically extending only up to 3–4 km in height before becoming part of a bounded weak echo region (BWER) Fujita, T 1958 Mesoanalysis of the Illinois tornadoes of 9 April 1953 J Meteor 15 288–296
  • Hook echo - Oxford Reference
    A characteristic radar echo associated with some (but not all) tornadoes It shows cyclonic curvature (and thus resembles the numeral ‘6’), and appears as an appendage to the larger echo returned by the parent multicell or supercell thunderstorm





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