A Flash Flood Warning was issued at 1:07 p.m. by the National Weather Service in Los Alamos County until 4 p.m. today.

Avoid flood areas. Urgency: Immediate.

From the National Weather Services:

FLASH FLOOD WARNING

THE NATIONAL WEATHER SERVICE IN ALBUQUERQUE HAS ISSUED A FLASH FLOOD WARNING FOR LOS ALAMOS COUNTY IN NORTH CENTRAL NEW MEXICO, EAST CENTRAL SANDOVAL COUNTY IN NORTH CENTRAL NEW MEXICO AND  
EXTREME NORTHWESTERN SANTA FE COUNTY IN NORTH CENTRAL NEW MEXICO UNTIL 4 p.m. today.

AT 1 p.m., the NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 8 MILES WEST OF LOS ALAMOS.

THE STORM PRODUCING VERY HEAVY RAIN WAS MOVING EAST SOUTHEAST NEAR 10 MPH. 

RADAR ESTIMATES AND SURFACE OBSERVATIONS ACROSS THIS AREA INDICATE BETWEEN ONE HALF INCH AND ONE INCH OF RAIN HAS FALLEN IN THE HEADWATERS OF FRIJOLES CANYON ... ALONG THE N.M. 4 AREA FROM THE VALLES CALDERA EAST TO HIGHWAY 501 ... AND ALONG CAMP MAY ROAD.

ADDITIONAL THUNDERSTORMS UPSTREAM FROM THESE LOCATIONS WILL PRODUCE ANOTHER ONE HALF INCH TO ONE INCH OF RAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS ... BOTH LOCALIZED AND DISTANT HEAVY RAINFALL WILL CREATE SUDDEN AND DANGEROUS FLOWS IN ARROYOS AND OVER LOW WATER CROSSINGS.