Tag Archives: Jay Lund

California’s Floods of 2017, so far

by Jay Lund What a wild water month!  Floods, spillway damage, and levee failures!  Mass evacuations! And Donald Trump and Barack Obama are not even remotely to blame! Flood control and preparation are vitally important for California.  Now we remember. … Continue reading

Posted in California Water, flood, Planning and Management, Stressors, Uncategorized | Tagged | 4 Comments

California’s Wettest Drought? – 2017

By Jay Lund Wet.  After five years of drought, most of California finally has become wet.  The mountains are exceptionally wet and covered with snow.  The state’s reservoirs are fuller than their long term average (with a few exceptions).  Flood … Continue reading

Posted in California Water, Drought, Uncategorized, Water Supply and Wastewater | Tagged | 20 Comments

Indicators of a drought ending in northern California

Jay Lund Droughts are common in California, a large, generally dry, and hydrologically complex place.  So it is hard to rely on a single index of the end or beginning of a drought.  A single storm is rarely enough to … Continue reading

Posted in Drought, Uncategorized | Tagged | 6 Comments

Tails of California’s Drought

by Jay Lund Storms are filling reservoirs, building snowpack, and flooding in ways not seen since the most recent California drought began in 2012.  The state’s reservoirs today contain 1.2 million acre-ft more water than the long-term average for this … Continue reading

Posted in Drought, Uncategorized | Tagged | 12 Comments

Out With the Old Drought and In With the New?

By Jay Lund We are just a few months into this year’s wet season, and progress has been great.  Statewide, California is about 800,000 acre ft below average surface water storage for this time of year.  California’s water year began … Continue reading

Posted in Drought, Uncategorized | Tagged | 7 Comments

How engineers see the water glass in California

How do engineers see the water glass in California? Mostly the same as they did four years ago when this blog was first posted, though with today’s drought the glass is perhaps down to a quarter full — or three-quarters empty.  … Continue reading

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The Coming Droughts of California in 2017 – November 27, 2016

By Jay Lund California is a big diverse place. California probably will experience droughts this year of different types in different places, and no drought at all in some places, simultaneously.  Even if conditions this year are very wet, with … Continue reading

Posted in California Water, Drought | Tagged | 5 Comments

Water is for fighting over? – a review of John Fleck’s recent book

By Jay Lund Most expressions on Western water issues are reflex or studied advocacy favoring a single viewpoint or opposing other viewpoints.  A minority provide thoughtful and reasonably balanced insights.  John Fleck’s new book, “Water is for fighting over” is … Continue reading

Posted in education, Uncategorized | Tagged , | 6 Comments

Drought Prospects in California for the New 2017 Water Year – October 1, 2016

This blog post has been superseded by more recent storms this water year.  See the January 2017 Tails of California’s Drought.  This older post remains of some retrospective significance in how slow and fast drought conditions can change – Jay … Continue reading

Posted in California Water, Drought, Uncategorized | Tagged | 7 Comments

How much water was pumped from the Delta’s Banks Pumping Plant? A mystery.

By Jay Lund As the old saying goes, “Someone with one watch knows what time it is, someone with two watches is never sure.” Water accounting is fundamental to water management, but is not easy.  But any accounting is more … Continue reading

Posted in California Water, Planning and Management, Tools, Uncategorized | Tagged | 8 Comments