1) Pre-Warm Front
Temp: Warming
Press: Falling
Wind: E-SE
Dew Pt: Rising
Sky: Lowering Ceiling
Wx: Widespread Precip
3) Post-Warm Front
Temp: Warm
Press: Steady/Rises
Wind: S-SW
Dew Pt: High
Sky: Variable
Wx: Showers
2) Frontal Passage
Pressure Trough
Wind Shift
Steady Warming
Rain Ending
Ahrens Fig. 8.14