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NOAA Technical Memorandum NWS SR-145

A COMPREHENSIVE GLOSSARY OF
WEATHER TERMS FOR STORM SPOTTERS

Terms added for the second edition:
Anvil Crawler Anvil Zits Baroclinic zone Barotropic System Bubble high Bulk Richardson No. (BRN) Convective inhibition (CIN) Cold pool aloft Cyclogenesis dBZ Delta T Differential motion Diurnal Downstream Dry adiabat Dynamics ECMWF Elevated convection Energy-helicity index (EHI) Entrance region Equilibrium level Equivalent potential temperature Eta Model Exit region Humidity Impulse Isentropic Lift	Isentropic surface Isodrosotherm Isohyet Isopleth Isotach Isotherm Left front quadrant LSR Meridional flow Mesohigh Mesonet Mid-level cooling Morning glory Negative area Negative-tilt trough Nocturnal Nowcast Orographic Orographic lift Popcorn convection Positive-tilt trough Potential temperature Profiler Pseudo-cold front Pseudo-warm front Relative humidity Right entrance region	RUC Short-fuse warning SPC Subsidence Surface-based convection SWEAT index SWODY1, SWODY2 Thermodynamic chart Thermodynamics Theta-e Theta-e ridge Tornado family Total-totals Index Tropopause Troposphere UKMET Upper level system Upstream UVM UVV VAD Vertically stacked system VWP Watch Warning Zonal flow