Photo of the Month

A catastrophic flood event threatened the ancient Roman aqueduct bridge Pont du Gard in southern France in September 2002. The HyMex Experiment could help local officials in the Mediterranean region improve forecasts and warnings of flash floods.  (Credit: Cévennes Vivarais Mediterranean Hydro-meteorological Observatory)

2002 floods in France threaten ancient aqueduct

A catastrophic flood event threatened the ancient Roman aqueduct bridge Pont du Gard in southern France in September 2002. The HyMex Experiment could help local officials in the Mediterranean region improve forecasts and warnings of flash floods. (Credit: Cévennes Vivarais Mediterranean Hydro-meteorological Observatory)

A debris ball from a tornado is detected by dual-polarized radar near Huntsville, Ala.

Dual-pol debris balls

IMG_8147

Sunrise on the eclipsed moon

The sun rises on the Rocky Mountains as the eclipsed moon sets on December 10, 2011.

Golden Gate fog

Towering through the fog

NSSL/CIMMS Sean Waugh got up early during his week at the San Francisco Exploratorium to capture the Golden Gate Bridge towers rising through the fog.

MM Hurricane Irene

Eye to eye with Irene

NSSL’s Sean Waugh rides out Hurricane Irene in a mobile mesonet vehicle in Morehead City, NC. His goal was to collect weather data on Hurricane Irene as it passed overhead and also test a new instrument he designed, tested and built with NSSL’s Sherman Frederickson.