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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: Sdgla who wrote (46682)

1/25/2014 1:25:53 AM

From: Wharf Rat

Read Replies (3) | Respond to of 86356

This is unprecedented in recorded history. That's prolly why Burt calls it "unprecedented". I live in the part that has the coastal redwoods and doug firs, not tumbleweeds.

Central California Enters a Drought Period Unprecedented in its Weather History

By: Christopher C. Burt, 10:53 PM GMT on January 15, 2014

+15

Central California Enters a Drought Period Unprecedented in its Weather History

There are few sites in the U.S. (or, for that matter, the world) that have as long an unbroken period of record for precipitation measurements as the city of San Francisco. This official record extends back to November 1849. Today, January 15th, the city has now entered unchartered territory by surpassing 1916-1917 as the driest ‘wet season’ to date on record.

Map of soil moisture conditions across the U.S. as of January 13th. NOAA/NCDC.

Driest Water Years (July 1-June 30) in San Francisco history

As of January 15th, San Francisco has received a seasonal precipitation total of just 2.12”. Here is a list of the top ten driest water years (since 1849-1850) for the city:

Season to date precipitation for selected California cities

Below is a list of seasonal precipitation to date for selected California cities (arranged from north to south) with comparison to normal:

Sierra snow pack issues

The snow pack in the Sierra is currently averaging 15% of normal for this time of the year, the lowest on record. The graphics below illustrate the dire situation:

Satellite images comparing California from a year ago to today. Not only is the snow cover drastically less but also notice how brown the central valley ground cover is relative to the green of January 2013. Images from NOAA.
wunderground.com