These two images show how dual-polarization helps NWS forecasters detect a tornado that is producing damage. The left image shows how the Doppler radar can detect rotation.

Flash flooding is impacting Houston this Labor Day weekend after several inches of rain fell. More storms are expected, ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected.

A report was issued from the NWS Phoenix AZ on Tuesday at 11:14 a.m. for strong thunderstorms until noon. The alert is for ...

An updated weather alert was issued by the National Weather Service on Sunday at 5:31 p.m. for strong thunderstorms in effect ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected.

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected.

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected.