The April 3rd and 4th 1974 Tornado Outbreak in Alabama - Nashville Soundings

LFC =  874mb                  BNA / 04/03/74 /  12Z                     V(2/98)
                          OBSERVED SOUNDING PARAMETERS

  +--------------------------CONVECTIVE POTENTIAL----------------------------+
  ¦   B+.............13978 J/Kg                  K-Index............  21     ¦
  ¦   B-.............   47 J/Kg                  Precip Water.......  1.15 in¦
  ¦   LI.............   -8                       Showalter Index.... -7      ¦
  ¦   Cap Strength...    2.9 °C                  Total Totals.......  59     ¦
  ¦   LPL..(PMAX)....  1132 ft/ 944 mb           Sweat Index........  488    ¦
  ¦                                                                          ¦
  ¦   Tropopause......... -999 ft.               700-500mb LR...  9.1 °C/km  ¦
  ¦   Equilibrium Level..  38900 ft.             TEI( 940- 620). 20.8 °C     ¦
  ¦   Max Parcel Level...   -999 ft.             BRN............  556        ¦
  ¦   Wet-Bulb Zero......   8600 ft.             BRN Shear......   25 (M/S)² ¦
  +---------------------------WIND / STORM TYPE------------------------------¦
  ¦   Cloud Lyr Mn Wind.. 232/ 29 kts     0-2km SR MoFlux...... 102 g/kg/hr  ¦
  ¦   Mean Wind (0-6Km).. 214/ 24 kts     Pos Shear   (0-2Km).. 5 (10-3 S-1) ¦
  ¦   Storm Motion....... 232/ 22 kts     SR Dir Shr  (0-3km).. 122°         ¦
  ¦                                                                          ¦
  ¦   Energy/Helicity Index...  5.42      SR Helicity (0-3Km).. 73 (M/S)²    ¦
  ¦--------------------------------------------------------------------------¦
  ¦   (F1)-Print               (F3)-Skew T                (F5)-Next Screen   ¦
  ¦   (F2)-Main Menu           (F4)-Hodograph             (F7)-Help          ¦
  +--------------------------------------------------------------------------+

LFC =  750mb                  BNA / 04/04/74 / 00Z                      V(2/98)
                          OBSERVED SOUNDING PARAMETERS

  +--------------------------CONVECTIVE POTENTIAL----------------------------+
  ¦   B+............. -999 J/Kg                  K-Index............  38     ¦
  ¦   B-............. -999 J/Kg                  Precip Water.......  1.54 in¦
  ¦   LI.............   -8                       Showalter Index.... -5      ¦
  ¦   Cap Strength...    3.7 °C                  Total Totals.......  57     ¦
  ¦   LPL..(PMAX)....   502 ft/ 959 mb           Sweat Index........  532    ¦
  ¦                                                                          ¦
  ¦   Tropopause......... -999 ft.               700-500mb LR...  7.6 °C/km  ¦
  ¦   Equilibrium Level..   -999 ft.             TEI( 820- 700).  8.9 °C     ¦
  ¦   Max Parcel Level...   -999 ft.             BRN............ -999        ¦
  ¦   Wet-Bulb Zero......  12100 ft.             BRN Shear......  206 (M/S)² ¦
  +---------------------------WIND / STORM TYPE------------------------------¦
  ¦   Cloud Lyr Mn Wind.. 234/ 76 kts     0-2km SR MoFlux...... 243 g/kg/hr  ¦
  ¦   Mean Wind (0-6Km).. 228/ 50 kts     Pos Shear   (0-2Km).. 11 (10-3 S-1)¦
  ¦   Storm Motion....... 234/ 57 kts     SR Dir Shr  (0-3km).. 127°         ¦
  ¦                                                                          ¦
  ¦   Energy/Helicity Index...-99.00      SR Helicity (0-3Km).. 114 (M/S)²   ¦
  ¦--------------------------------------------------------------------------¦
  ¦   (F1)-Print               (F3)-Skew T                (F5)-Next Screen   ¦
  ¦   (F2)-Main Menu           (F4)-Hodograph             (F7)-Help          ¦
  +--------------------------------------------------------------------------+

Back to home page

Weather Hazards | Graphical Forecast | Present Weather
Past Weather | Tropical Weather | Contact Us