------------------------- Parameter Selection ------------------- ---------------------------- Observations ----------------------------- Regional Surface Chart Visible Satellite Image Base Reflectivity Mosaic Watch/Warning Summary ------------------------------- Basic Surface --------------------------- MSL Pressure/Wind T / Td / Wind Moisture Convergence ThetaE Advection 2hr Pres Change -------------------------- Basic UA/Forcing Fields ------------------------- 850 mb 700 mb 500 mb 300 mb Deep Moisture Conv Surface Frontogenesis 850 mb Temperature Advection 850 mb Frontogenesis 700 mb Frontogenesis 850-700 mb Frontogenesis 700-500 mb Frontogenesis 700-400 mb Diff. Vorticity Advection 400-250 mb Pot. Vorticity Advection 850-250 mb Diff. Divergence 300 mb Jet Circulation ----------------------- Thermodynamic Fields ----------------------------- SBCape / Cin 100 mb MLCape MUCape / LPL Height SB Lifted Index / CINH Mid Level Lapse Rates Low Level Lapse Rates Normalized Cape Downdraft Cape LFC Height LCL Height LCL - LFC RH ------------------------------- Wind Shear ------------------------------------ 850-300mb Mean Wind 0-6km Shear Vector 0-8km Shear Vector Effective Shear BRN Shear 0-1km SR Helicity 0-3km SR Helicity Effictive SR Helicity 0-1km Shear Vector 850 & 500 mb winds ------------------------- Storm Relative Winds ---------------- 0-2km SR Winds 4-6km SR Winds 9-11km SR Winds Anvil Level SR Winds ------------------------- Composite Indicies -------------------- Supercell Composite Supercell Composite (left-moving) Significant Tornado (fixed layer) Sig. Tor. (effective layer) Significant Hail Param. Decrecho Composite Craven/Brooks SigSvr 3km EHI 1km EHI 3km VGP MCS maintenance prob. -------------------------- Multi-Parameter Fields ------------------ MUCAPE & effective bulk shear MULI, 850 & 500 mb winds LCL hght/0-1 km SRH 0-3 km LR/0-3 km MLCAPE 3km Cape & Sfc Vorticity sfc dewpoint/700-500 mb LR Hail Parameters ------------------------- Heavy Rainfall -------------------------- Precipitable Water 850 mb Moisture Transport Upwind Propagation Vector ------------------------- Winter Weather -------------------------- Surface Wet Bulb Temperature Freezing Level Info. Critical Thickness 800-750 mb EPVg 650-500 mb EPVg Lake Effect Snow 1 Lake Effect Snow 2 ------------------------- Fire Weather ------------------------------ Surface RH, Temperature, Wind Fosberg Index Low Altitude Haines Index Mid Altitude Haines Index High Altitude Haines Index Lower Atmos. Severity Index