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LOCK HAVEN -- A potentially dangerous weather situation is developing this afternoon and evening. Forecasters at National Weather Service out of State College are concerned about the possibility of severe thunderstorms -- some of which may reach supercell status.
These supercells are expected to present threats which, according to forecasters, "we may only experience once or twice a year." This includes wind gusts over 75 miles-per-hour, EF-2 tornadoes, flash floods and large hail.
The period of highest risk is between 2-9 p.m.
The more the cloud cover holds, the less heating and instability will be available for these thunderstorms as they approach. Conversely, if we see sunshine around lunch time, it will provide more energy for storms to utilize.
Storms are expected to move relatively quickly, which will limit the flood risk. However, locations which see multiple rounds of torrential rains, or which experience training storms, are at a high risk due to the amount of moisture available today.
Use caution throughout the day as this situation continues to develop.