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) +---------------------------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) +--------------------------------------------------------------------------+ (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)� � +---------------------------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)� � �--------------------------------------------------------------------------� � (F1)-Print (F3)-Skew T (F5)-Next Screen � � (F2)-Main Menu (F4)-Hodograph (F7)-Help � +--------------------------------------------------------------------------+