During periods of heavy rainfall or river flooding, National Weather Service meteorologists may issue a range of flood alerts ...

When it comes to severe weather events like tornadoes and flash floods, what's the difference between a watch and warning, and which is worse?

Near real-time preliminary data from NOAA's first Compact Coronagraph ... allowing SWPC to issue improved watches and warnings one to three days in advance. This gives operators critical lead ...

A tornado slides across Oklahoma. Image courtesy NSSL/NOAA. Continued vigilance and quick response to tornado watches and warnings are critical, since tornadoes can strike virtually anywhere at ...

NOAA's Space Weather Prediction Center issued a watch for a G2 storm — the second-lowest rating on a scale from G1 to G5 — for Saturday from 3:32 p.m. EDT into late Saturday evening at 10 p.m ...