Chapter 23, Problem 7PEB

Atmospheric soundings from four weather stations are presented in the following table. The stations are situated from west to east with station 1 farthest west. Station 2 is 100 km east of station l, station 3 is 100 km east of station 2, and station 4 is 100 km east of station 3. Based on the data in the table, what type of weather front is evident in the data, and between which stations is the front located?

Alt (m)	Station 1 Temp (°C)	Station 2 Temp (°C)	Station 3 Temp (°C)	Station 4 Temp (°C)
1,500	7.3	2.3	1.9	1.5
2,000	10.6	5.6	–2.0	–2.4
2,500	13.8	1.7	–5.9	–6.3
3,000	9.9	–2.3	–9.8	–10.2
3,500	6.0	–6.2	–13.7	–14.1