National Weather Service United States Department of Commerce

Severe Thunderstorms in Northwest Texas; Critical Fire Weather Concerns in Colorado and Guam

Isolated strong to severe thunderstorms capable of producing large hail and damaging winds will be possible through Tuesday evening across northwest Texas. The combination of dry conditions and gusty winds have led to elevated to critical fire weather concerns across southern Colorado and Guam. Read More >

12-hour helicity forecast

 

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

 

18-hour helicity forecast

 

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