Weather > Observations
Monthly reports for the Northern California 2016-17 rainy season.
elagache:
Dear WeatherCat drought watchers,
As last year, I thought I would report the rainfall situation here in the San Francisco East Bay. As you might have heard on the news (or the forum! :) ) it has been unusually wet this October in the Western United States. The rain kept coming through last night, so I couldn't finally get a total for October until today. Here is the graph:
This October was the second wettest in the 7 year operation of Canebas Weather Station. It was only topped by the extreme rains caused by Typhoon Melor in 2009. We received 5.21" (132mm) of rain which is 380% of a normal October. It was sufficient rain to almost reach the cumulative totals expected for the end of November!
At the moment the forecasts aren't looking so favorable for November, but long term forecasting remains more an illusion than a science. Only time will tell.
Cheers, Edouard
elagache:
Dear WeatherCat drought watchers,
Northern California ended up having a very poor November as far as rain. It was dry for almost 3 weeks of the month. The rain that fell at the end of the month was only able to make up for about 1/2 of a normal November. Nonetheless, because October was so wet we remain above normal for the wet season through December 1st:
So for the moment it is very much "touch and go" for Northern California at least.
Oh well, . . . . Edouard
Blicj11:
Thanks for the report. We have had more snow in October and November than we has been the case in the 9 years of my weather station installation. These are the same storms that are into your area. Keep sending them.
elagache:
Dear WeatherCat West Coast drought watchers,
Another month has passed so here is the report for the December rainfall at Canebas station. We had several "atmospheric river" rain events so we picked up a lot of rainfall - 163% of normal to be exact. Here is the graph illustrating the point:
Thus far, this rainy season we are at 125% of normal through December 31st.
Cheers, Edouard
elagache:
Dear WeatherCat West Coast drought watchers,
No rain is expected through the end of January so I decided to write up this month a bit early. As reported during the month, Northern California ended up with epic rainfall for January:
As you can see from the graph we have already received more rainfall than we normally expect for the entire rainy season!
January brought 246% of what normally falls this month. As a result, we have 180% of the rainfall we would expect to have through the end of January for the season.
We are expecting another reasonably potent storm at the end of this week. However, at the moment the weather is unusually warm and pleasant because of a very strong ridge of high pressure. While we do need to dry out, we definitely do not need a 180 degree turnaround with an extended period of dry and warm weather. The National Weather Service, Monterey office had some ominous words at the end of this afternoon's discussion:
--- Quote ---Fairly strong indications that the next round of widespread rain will be it for awhile. The outlook for all of next week is for warmer than normal temperatures with drier than normal conditions as the ridge rebuilds back into the southwest Conus.
--- End quote ---
The Climate Prediction Center is less pessimistic with normal conditions expected for Northern California on the 6-10 day, 8-14 day, and experimental week 3-4 outlook.
Cheers, Edouard
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