Maps & Data

Firefighters spray a hose at a fire along Morgan Valley Road near Lower Lake, Calif., Friday, July 31, 2015. A series of wildfires were intensified by dry vegetation, triple-digit temperatures and gusting winds. (AP Photo/Jeff Chiu)

Map shows where all of California’s wildfires are burning

August 3, 2015 at 12:39 pm Comments are Disabled

This map created by CAL FIRE provides general locations of major fires burning in California. The fires locations are approximates.

Use this map to see California water conservation rates since 2013 by supplier

Use this map to see California water conservation rates since 2013 by supplier

July 6, 2015 at 10:30 am Comments are Disabled
Spatial distribution of the total volume of water in the snowpack across the Tuolumne River Basin on March 25, 2015 (left) and April 7, 2014 (right) as measured by NASA's Airborne Snow Observatory. Credit: NASA/JPL-Caltech

NASA images show dwindling California snowpack from 2014 to 2015

April 7, 2015 at 2:38 pm Comments are Disabled

New images taken from NASA’s Airborne Snow Observatory show that snowpack levels in the Tuolumne River Basin in the Sierra Nevada Mountains measure about 40 percent as much water as it did near this time a year ago. The measurement, taken on March 25, recorded the amount of water inRead More

How California measures the Sierra snowpack

How California measures the Sierra snowpack

February 3, 2015 at 10:51 am Comments are Disabled

As California caps what may be its driest January on record, Frank Gehrke will lead a bevy of surveyors on Thursday to a predetermined spot on Echo Summit in an exercise that has become a monthly downer in the documentation of the state’s historic drought. As a thirsty state anxiouslyRead More

This was the driest January ever for California’s Bay Area

This was the driest January ever for California’s Bay Area

January 30, 2015 at 10:28 am Comments are Disabled

For the first time ever, San Francisco, Oakland and Sacramento have recorded no rainfall for the month of January — nada drop. San Jose has receiveda record-low .02 inches, and no rain is forecast for at least a week. Adding more ominous news to California’s historic drought, the Bay Area’sRead More

California’s drought conditions in 2014 in flip book images

December 30, 2014 at 10:25 am Comments are Disabled

The maps created by the U.S. Drought Monitor show the severity of California’s drought for each week of 2014. Play the video to watch the changes over 50 weeks of the year. The drought status peaked in August, when 100 percent of the state was in drought, and 58.41 percentRead More

California needs 11 trillion gallons of rain to end drought, JPL says

California needs 11 trillion gallons of rain to end drought, JPL says

December 20, 2014 at 3:48 pm Comments are Disabled

PASADENA >> Although December storms have provided the Southland with above-average rainfall, NASA’s Jet Propulsion Laboratory scientists said it will still take about 11 trillion gallons of water — about 1.5 times the volume of America’s largest reservoir — to recover from California’s long-standing drought. In other words, rain wouldRead More

California drought visualized with open data

California drought visualized with open data

December 9, 2014 at 3:37 pm Comments are Disabled

What does the California drought look like through the lens of data? The U.S. Geological Survey’s Center for Integrated Data Analytics  is taking open data about the drought from federal, state and local agencies and turning it into interactive visuals that show exactly where the lack of rainfall is hurtingRead More

Watch California’s drought conditions change over 14 years

October 2, 2014 at 1:05 pm 1 comment

Laurence Cramer produced this interactive map for MapStory.com. Using this visualization, you can view how drought conditions and the severity of California’s drought has changed since 2000.

When is water shortage a drought? California has no official definition, and a combination of factors are at play

When is water shortage a drought? California has no official definition, and a combination of factors are at play

September 26, 2014 at 5:00 pm Comments are Disabled

What is a drought? There is no precise, universally accepted definition of what constitutes a “drought,” but it is generally seen as a prolonged period of below-average rainfall that results in impacts to people, agriculture or the environment. For example, the Los Angeles area gets an average 15 inches ofRead More