SPC Hourly Mesoscale Analysis

SPC Mesoscale Analysis

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Surface:	05/14/10 18 UTC
RUC:	10051417f001

Observations
Surface Observations Printable Surface Map [PDF] Visible Satellite Radar Base Reflectivity Vad/Profiler Data
Basic Sfc
MSL Pressure/Wind Temp/Wind/Dwpt Moisture Convergence Theta-E Advection Mixing Ratio / Theta
2-hour Pressure Change 3-hour Temp Change 3-hour Dwpt Change 3-hour 100mb Mixing Ratio Change 3-hour Theta-E Change
Basic UA
925mb Analysis 850mb Analysis 700mb Analysis 500mb Analysis 300mb Analysis
Deep Moist Convergence Sfc Frontogenesis 850mb Temp Advection 850mb Frontogenesis 700mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. Vorticity Advection 400-250mb Pot. Vorticity Advection 850-250mb Diff. Divergence 300mb Jet Circulation 12-hour 500mb Height Change

Kinematics

Instantaneous Contraction Rate (sfc)
Fluid Trapping (sfc)
Velocity Tensor Magnitude (sfc)
Divergence and Vorticity (sfc)
Deformation and Axes of Dilitation (sfc)
Fluid Trapping (500mb)
Fluid Trapping (250mb)

Thermodynamics

Wind Shear

Composite Indices

Multi-Parameter Fields

Most-Unstable CAPE/CIN & Effective Bulk Shear
Most-Unstable LI / 850 & 500mb Winds
LCL Height / Sfc-1km SR Helicity
Sfc-3km Lapse Rate / Sfc-3km MLCAPE
Sfc Vorticity / Sfc-3km MLCAPE
Sfc Dwpt / 700-500mb Lapse Rates
Hail Parameters

Heavy Rain

Precipitable Water

850mb Moisture Transport

Upwind Propagation Vector

Precipitation Potential Placement

Winter Weather

Near-Freezing Surface Temp
Surface Wet-Bulb Temp
Freezing Level
Critical Thicknesses
800-750mb EPVg
650-500mb EPVg
Lake Effect Snow 1
Lake Effect Snow 2

Fire Weather

Sfc RH / Temp / Wind
Fosberg Index
Low Altitude Haines Index
Mid Altitude Haines Index
High Altitude Haines Index
Lower Atmospheric Severity Index

Image overlays:	County Boundaries	County Warning Areas	Hiways & Cities	NWS Watches & Warnings	SPC Day1 Outlook
Image underlays:	None	Radar	Terrain	Population	Sfc Obs

Please contact John Hart, Corey Mead, and Rich Thompson if you have questions or comments regarding this page.
The fields shown on these pages are produced by SPC's SFCOA analysis system, primarily created and maintained by Phillip Bothwell.