Rainfall Updates

Annual Rainfall Totals for Ojai for last 6 years (Ojai 
annual average rainfall of 21.32")
   2018   11.42" (as of May 22, 2018)
   2017   27.72"
   2016   10.13"
   2015   11.86"
   2014   9.16"
   2013   9.07" 
data from VC Watershed Protection District Rainfall Report

Rainfall totals by Month for Ojai

Regional Rainfall Data

Precip for March 2018 & for the current Water Year (October 1,2017-March 31,2018) for select locations in San Luis, Santa Barbara, Ventura and Los Angeles Counties.  Good March, but still below normal for the water year.

Links to Rainfall Data

Links to NOAA Rainfall Forecasts

Radar Products

  • Sulphur Mountain (Ojai) Doppler

  • Rainfall estimates – 1hr, storm total

Following these sites:

Weather Underground

Thomas Fire Burn Area

https://www.wunderground.com/forecast/us/ca/ojai/KCAOJAI29

Daniel Swain at Weather West.com http://weatherwest.com/archives/6203
Pineapple Express deluge in Southern California; high risk of Thomas Fire flash floods & mudslides
Filed in Uncategorized by

March 19, 2018 302 Comments

Ojai Weather in Accuweather

https://www.accuweather.com/en/us/ojai-ca/93023/weather-radar/337182


NOAA for Ventura & Oxnard interactive map
https://www.wrh.noaa.gov/total_forecast/getprod.php?wfo=lox&pil=AFD&sid=LOXMarch 20, 2018


http://cw3e.ucsd.edu/cw3e-ar-update-21-march-2018-outlook/


From Facebook
Thomas Fire Info Page Greg Gillis-Smith Admin

3/21/2018  Update from NOAA. SLO county is going to take the hit for us this evening, but the flow is expected to shift south during the morning and hit hard in SB/VC about 9-11 AM. Don’t let the lull in the rain lull you into complacency for tomorrow. You should be safe for the night but be ready in the morning, still possibility for 1″/hr in all areas. The NOAA folks will update the models and Forecast Discussion at about 3 AM so if you are up early check that out and see how it changed during the night. By the way, if you read this at the NOAA site it has links for all the strange words to get definitions. https://forecast.weather.gov/MapClick.php…

Green Areas should be safer, Magenta areas are higher risk, could expect flooding  ?????

Greg Gillis-Smith to Thomas Fire Info4 hrs


Updated 3/20/18 at 10:20AM from Greg Gillis-Smith to Thomas Fire Info

4 hrs

3/20 Evacuation or shelter in place options for Ojai.
This is not an official evac or shelter map but I looked at the topography map for higher ground and lower ground to give approximate locations that should be safer in green and higher risk in magenta. Don’t cross what is normally a dry creek or canyon in the dark in heavy rain without really watching and listening to your surroundings.

All 4 exits for Ojai valley have their risks. 33 north is up a high risk canyon, not an option in heavy rain. 33 south is down the same canyon but wider. 150 in both directions is through winding, steep slopes with canyons. I would not want to try to escape in any of those directions during the night in a heavy rain so plan ahead.
Peace.

From VC Emergency Alert https://www.vcemergency.com/
Large storm predicted from SLO down to LA. Weather Summary
A major Atmospheric River event expected to impact Ventura County beginning Tuesday, March 20, 2018 afternoon through Thursday, March 22, 2018 evening. Rain should start spreading over Ventura County this afternoon. Rainfall is expected to range from 2 to 5 inches along the coast with 4 to 8 inches for foothill areas. Some mountain areas may see over 10 inches. Rainfall totals fall off quickly toward the east with the highest totals along Western Ventura County and along Nordhoff Ridge to Santa Paula Creek. The latest model runs are showing the highest totals occurring in Santa Barbara County. Models are also indicating up to 36 hours of moderate to heavy rain with intensities 0.3 to 0.8 in/hr with areas with 1.0 in/hr possible. The highest intensities should occur late Wednesday March 21, 2018 through Thursday, March 22, 2018 morning. Latest models lowered rainfall totals in coastal areas but increased totals for the foothills around Ojai. Clearing is expected on Thursday, March 222, 2018 evening with drier weather expected over the weekend with a possible light rain event mid to late next week

Qualitative Precipitation Forecast from 3/20/18 – 3/22/18

Location Rain Total Peak Intensity
La Conchita 4.67” .41”/hr-.47”/hr
Ventura 3.73” .27/hr-.43”/hr
Matilija Dam 8.04” .58/hr-.88/hr
Senior Gridley (above Ojai) 7.73” .81/hr-1.08”/hr

From the Ojai Valley News, March 16, 2018. More rain on the way: Previous storms still not enough for diversions

A week of wet weather brought between an inch and 2 inches of rain to the Ojai Valley, but caused no major problems, officials said.
The area received intermittent rainfall, ranging from a light drizzle to moderate rain, March 11 through March 14.
Rain totals over the four days included 1.11 inches at Casitas Dam, 1.26 inches at Fire Station 22 in Meiners Oaks and 2.08 inches at Matilija Dam, according to the Ventura County Watershed Protection District (WPD).

March 16, 2018 – Ojai has a total of 7″ of rain for the year. The March 10-11 rain event delivered 1.2″of rainfall to Ojai. We got another inch since March 11…

The meager rainfall wasn’t enough to allow Casitas Municipal Water District (CMWD) officials to divert water from the Ventura River to Lake Casitas, using the Robles Diversion canal.
“Flows never reached diversion levels in the Ventura River,” said Ron Merckling, CMWD public affairs and resource manager.  CMWD had been able to divert approximately eight acre-feet during a storm March 2.  The 1.11 inches of rain at Casitas Dam this week brought its seasonal total to just over 5.30 inches.  By comparison, normal seasonal rainfall at the dam is more than 16.50 inches.

From March 11 storms, below, 3 rain gardens in Ojai ensure that every drop counts! These rain gardens capture rain water from the roof, that connects to a raingutter/downspout that directs water into the rain gardens.  Every 1,000 square feet of roof area collect approximately 600 gallons of water.


Below: video of the downspout flow into the rain garden.


March 5, 2018 – Current Rainfall Interactive Map – Ojai had 4.85″ of rainfall for water year 2017-2018, average rainfall is 21.5″.  Last rainstorm delivered 1.65 inches 4 days ago.

Link to interactive map that show current rainfall totals.


Historic rainfall levels during the drought from 2011 thru 2017:screen-shot-2016-11-01-at-12-14-31-pm



 


1969 Flood Book http://vcfd.org/images/docs/1969_Flood_book.pdf