The April 3rd and 4th 1974 Tornado Outbreak in Alabama - Jackson Soundings
LFC = 651mb JAN / 04/03/74 / 12Z V(2/98) OBSERVED SOUNDING PARAMETERS +--------------------------CONVECTIVE POTENTIAL----------------------------+ B+............. -999 J/Kg K-Index............ 21 B-............. -999 J/Kg Precip Water....... 1.02 in LI............. -8 Showalter Index.... -5 Cap Strength... 6.3 C Total Totals....... 56 LPL..(PMAX).... 0 ft/ 989 mb Sweat Index........ 527 Tropopause......... -999 ft. 700-500mb LR... 8.7 C/km Equilibrium Level.. -999 ft. TEI( 940- 840). 23.1 C Max Parcel Level... -999 ft. BRN............ -999 Wet-Bulb Zero...... 9800 ft. BRN Shear...... 100 (M/S) +---------------------------WIND / STORM TYPE------------------------------+ Cloud Lyr Mn Wind.. 246/ 56 kts 0-2km SR MoFlux...... 240 g/kg/hr Mean Wind (0-6Km).. 221/ 38 kts Pos Shear (0-2Km).. 10 (10-3 S-1) Storm Motion....... 246/ 42 kts SR Dir Shr (0-3km).. 51 Energy/Helicity Index...-99.00 SR Helicity (0-3Km).. 398 (M/S) +--------------------------------------------------------------------------+ (F1)-Print (F3)-Skew T (F5)-Next Screen (F2)-Main Menu (F4)-Hodograph (F7)-Help +--------------------------------------------------------------------------+
LFC = 866mb JAN / 04/04/74 / 00Z V(2/98) OBSERVED SOUNDING PARAMETERS +--------------------------CONVECTIVE POTENTIAL----------------------------+ � B+............. -999 J/Kg K-Index............ 39 � � B-............. -999 J/Kg Precip Water....... 1.61 in� � LI............. -9 Showalter Index.... -8 � � Cap Strength... 0.8 �C Total Totals....... 58 � � LPL..(PMAX).... 1151 ft/ 950 mb Sweat Index........ 578 � � � � Tropopause......... -999 ft. 700-500mb LR... 6.7 �C/km � � Equilibrium Level.. -999 ft. TEI( 960- 640). 28.8 �C � � Max Parcel Level... -999 ft. BRN............ -999 � � Wet-Bulb Zero...... 10500 ft. BRN Shear...... 112 (M/S)� � +---------------------------WIND / STORM TYPE------------------------------� � Cloud Lyr Mn Wind..-999/-999 kts 0-2km SR MoFlux...... 302 g/kg/hr � � Mean Wind (0-6Km).. 222/ 48 kts Pos Shear (0-2Km).. 4 (10-3 S-1) � � Storm Motion....... 252/ 36 kts SR Dir Shr (0-3km).. 93� � � � � Energy/Helicity Index...-99.00 SR Helicity (0-3Km).. 251 (M/S)� � �--------------------------------------------------------------------------� � (F1)-Print (F3)-Skew T (F5)-Next Screen � � (F2)-Main Menu (F4)-Hodograph (F7)-Help � +--------------------------------------------------------------------------+