You can use a three letter station identifier or a lat-lon pair. It is suggested that you put this point in the cold air. Again, you can just enter a three letter station identifier or a lat-lon pair. It is suggested that you put this point in the warmer air. This will produce a cross section from the point at 42.4N, 98.5W to 40.0N, 95.0W using the 12 h forecast from the 1200 UTC 16 September 1999 Eta.
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