GEMPAK_thta

Figure 5: ETA 12 Hour Forecast of 300 K isentropic surface,
wind and relative humidity valid 1200 UTC May 12, 1997.

Figure 6: ETA 18 Hour Forecast of 300 K isentropic surface,
wind and relative humidity valid 1800 UTC May 12, 1997.

National Weather Service Weather Forecast Office