Helicity calc from Cylavg U/V





  • 1. Hurricane Danny 1985 total helicity with andf without storm motion.
  • 2. Hurricane Elena 1985 total helicity with andf without storm motion.
  • 3. Hurricane Gabrielle 2001 total helicity with and without storm motion.

  • 1. Storm-relative total helicity(3,6,12km) various radial ranges for 8 storms.
  • 2. Storm-relative total helicity(6km) R=0-500km +BT windspeed for 8 storms.

    Hodographs from Cylavg U/V

  • 1. Hurricane Danny 1985 0-500km avg hodograph without storm motion.
  • 2. Hurricane Elena 1985 0-500km avg hodograph without storm motion.
  • 3. Hurricane Bertha 1996 0-500km avg hodograph without storm motion.
  • 4. Hurricane Bonnie 1998 0-500km avg hodograph without storm motion.
  • 5. Hurricane Irene 1999 0-500km avg hodograph without storm motion.
  • 6. Hurricane Gabrielle 2001 0-500km avg hodograph without storm motion.
  • 7. Hurricane Edouard 2002 0-500km avg hodograph without storm motion.
  • 8. Hurricane Alex 2004 0-500km avg hodograph without storm motion.

    Scatterplots of Helicity vs Intensity Change

  • 1. 6km total helicity(0-500km) without storm motion vs Besttrack 6h intensity change 8storms.
  • 2. 12h avg of 6km total helicity(0-500km) without storm motion vs Besttrack 6h intensity change 8storms.
  • 3. 12km total helicity(0-500km) without storm motion vs Besttrack 6h intensity change 8storms.
  • 4. 12h avg of 12km total helicity(0-500km) without storm motion vs Besttrack 6h intensity change 8storms.

  • 1. 6km total helicity(0-500km) without storm motion vs EC-interim shear. All storms on one plot with color coded press change
  • 2. 12km total helicity(0-500km) without storm motion vs EC-interim shear for varo. All storms on one plot with color coded press change

    Scatterplots of Helicity vs Intensity

  • 1. 6km total helicity(0-500km) without storm motion vs Besttrack intensity(Lag+6h) 8storms.
  • 2. 6km total helicity(0-500km) without storm motion vs Besttrack intensity(varoius Lags) 8storms.

    Plan Animations of IR and Winds

  • 1. CLAUS IR 200hPa wind+height fields every 6h Danny 1985.
  • 2. CLAUS IR 200hPa wind+height fields every 6h Elena 1985.
  • 3. CLAUS IR 200hPa wind+height fields every 6h Bertha 1996.
  • 4. CLAUS IR 200hPa wind+height fields every 6h Bonnie 1998.
  • 5. CLAUS IR 200hPa wind+height fields every 6h Irene 1999.
  • 6. CLAUS IR 200hPa wind+height fields every 6h Gabrielle 2001.
  • 7. CLAUS IR 200hPa wind+height fields every 6h Edouard 2002.
  • 8. CLAUS IR 200hPa wind+height fields every 6h Alex 2004.


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