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SLP, 850-hPa, 700-hPa, and 500-hPa analysis fields

Upper left: MSLP at 4-hPa intervals (contours)
Upper right: 850-hPa temperature (shading, 3°C interval), height (contours, 3-dam interval), winds (kts, barbs)
Lower left: 700-hPa RH (shading and contours, 10% interval), winds (kts, barbs)
Lower right: 500-hPa vorticity (shading and contours, 10⁵ s^-1) and heights (contours, 6-dam interval)

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vertical motion/winds; conditional instability/0° and -15°C isotherms/RH>80%; 3-h total and convective precipitation