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Live Storm Report: Day 3 - Sunday


By: YubaNet

NEVADA CITY Calif. December 2, 2012 - Day 3 of the ongoing storm event brings more heavy rains, very high wind gusts and snow in the high elevations. The atmospheric river of moisture is causing flooding of small streams and creeks - mud flows and landslides are a possibility.

Help us inform the community by sending us status updates from your location: flooding, downed trees, power outages, pics, your favorite storm recipes and activities. Simply email us at news@yubanet.com

December 2, 2012 at 2:29 PM

Here's some video we shot on Hwy 49 at the South Yuba River Bridge.

Also, Phil Morales - Sierra Sweets Toffee sent us the following update:

Banner Mtn. Trail closed due to downed (3’ diameter) tree into home near Gun Club , downed power lines and propane tank, emergency personal on site.

Banner Mtn. trail from Banner Lava Cap closed due to large tree down over Rd near lower Cascade canal.

*December 2, 2012 at 12:09 pm

More good news for Truckee. The planned evacuation center will be shut down at 1 pm, according to Nevada County OES Manager Vic Ferrar. With snow replacing rain at their elevation, the peak of the Truckee River will be 2 feet lower than predicted.

Caltrans road cam
Caltrans road cam
December 2, 2012 at 10:46 AM

Good news for Truckee. As seen in these Caltrans roadcam pictures, the precipitation has turned to snow. This will lessen the flood risk somewhat.

Chain restrictions are now in effect for I-80 from Kingvale to Truckee. Check the road conditions if you must travel.

December 2, 2012 at 10:37 AM

All lanes now open on Hwy 49 near Lime Kiln Rd.

Important: If you see a downed power line, stay away. Treat the line as "live." Call 911 and PG&E immediately at 1-800-743-5002.

December 2, 2012 at 9:55 AM

Branding Iron Rd / Pleasant Valley Rd - roadway flooding

Buck Ridge Rd near Dog Bar and Tiger Tail Road in Grass Valley - power lines down.

December 2, 2012 at 9:49 AM

More outages: Power's out on Hyatt Rd. North San Juan since 7:15 AM - Thank you Marilyn Mociun.

Lost power on Willow Valley Road in Nevada City, now running on a generator, says John Vodonick.

Image: Daniel Swartzendruber
Image: Daniel Swartzendruber
December 2, 2012 at 9:27 AM

Amazing pictures by Daniel Swartzendruber. Around 9 am in the Brunswick Basin, formerly known as Lake Olympia. The parking lots of the shopping center are impassable.

December 2, 2012 at 9:12 AM

Power is out on Quaker Hill Cross Rd in the Deer Creek Park area since approximately 8:00 am - Report by Jim Blecksmith. PG&E expects power restoration for the Nevada City area around 11 pm tonight. Updates to follow.

Intersections of East Main/Hughes and Sierra College Way (Grass Valley) are flooded with fast running water. East Main is flooding from round about all the way up the hill to these streets.Very deep water and dangerous to cross. Thank you for the report, Kathy Triolo.

The Nevada County Office of Emergency Services would also like to remind residents that free sand and sandbags are available. The permanent location is next to the Nevada County Warehouse on the corner of Highway 49 and East Broad St. in Nevada City. Beginning Wednesday, sand and sandbags will also be available at the North San Juan Fire Station #1 and the Higgins Fire Station #21.

Residents must bring their own shovel to fill the sandbags with sand. We do request that residents only take what they plan to use for protection of their personal property in the event of flooding.

Pine Street Bridge in Nevada City. Picture by Gretchen Bond
December 2, 2012 at 8:54 AM

Gretchen Hummel Bond took this picture of the South Pine Bridge in Nevada City around 8:30 am this Sunday morning.

Lots of clogged drains throughout the area make for street flooding and road closures.

Satellite Precipitation Estimate from NOAA
December 2, 2012 at 8:44 AM

Some good news according to the specialists: "Think the threat for mod/hvy rain will continue the next several hrs, but the shortwave now moving across NRN CA/SW OR should help to push things sewd a bit faster and help shorten the duration of the heaviest rain in most areas.

In addition, have started to notice moisture plume starting to get pinched off over the Pacific in WV imagery where upper level winds are becoming more perpendicular to the plume. This has allowed for a dry pocket to expand in coverage the past few hrs and this dry pockets is now steadily moving toward the coast. So while we should see a few more hrs of mod/hvy rain across central CA as the shortwaves round the base of the trough and head to the coast, think the threat for prolonged mod/heavy rain will gradually diminish, especially later on the outlook period. This should help keep rain fall totals in check the farther south you go across the state today."

December 2, 2012 at 8:34 AM

Michael Klinger reports: RiteAid parking lot under water - Brunswick Basin in Grass Valley

Power outage since 7:55 am up by the 5 Mile House (Outside Nevada City on Hwy 20). Trees down on Scotts Flat Rd. reports Dustin Bremmer.

December 2, 2012 at 8:32 AM

The Outside Inn in Nevada City reports flooding and needs help with sandbags.

December 2, 2012 at 8:22 AM

Took a few seconds of video to show you how it looked like from YubaNet HQ during the heaviest rain (so far) this morning.

December 2, 2012 at 8:00 AM

SR174 / Mosswood Lane (past Greenhorn Access Rd) - Tree across power lines, not completely down, but causing hazard.

December 2, 2012 at 7:43 AM

Power outage in Dobbins since 6:45 AM, thanks Courtney Morgan for the info.

December 2, 2012 at 7:37 AM

Power outage in Lake Wildwood. 892 customers affected.

SR 49 is closed at Lime Kiln due to a tree down. Unknown time of opening, per CHP.

December 2, 2012 at 7:30 AM

Off ramp flooded Hwy 149 and Hwy 99 in Chico.

December 2, 2012 at 7:29 AM

Banner Lava Cap Rd / Sesame St blocked per Nevada County Sheriff's Office. Also hazards on Black Rd / Mcdaniel Rd.

December 2, 2012 at 7:21 AM

Brunswick Rd / Idaho Maryland Rd in Grass Valley - Lines down in the roadway. Unknown if they are power lines or phone lines.

Lanes blocked at Magnolia Rd / Dog Bar Rd

December 2, 2012 at 7:18 AM

CHP report: SR 20 and Penn Valley Rd: Large tree branch hanging over the roadway at window level. Branch took out the reporting party's windshield.

Drive safely if you must, slow down and watch for hazards. Better yet, stay home.

December 2, 2012 at 7:16 AM

Via Facebook and Molly Fisk: Trees down on Hwy 49 at Wolf Rd and at Mooney Flat. Blocking roadway and causing accidents involving multiple cars. From Mo LaFond.

December 2, 2012 at 7:02 AM

Reinette Senum used her cell to report a power outage on Lower Banner in Nevada City: I saw what looked like two sparks from transformer about half hour ago, then power went out.

Lisa Kysar emailed from California Organics, informing us that the outage goes up all the way for Banner.

The State Ops Center has been running through the night and is continuing to monitor this wet and windy storm. Image: Cal EMA
December 2, 2012 at 6:59 AM

2.48 inches of rain at YubaNet's headquarters in Nevada City for the 24-hour period between 7:00 am Saturday and 7:00 am today. Our storm total is now at 9.31 inches of rain.

December 2, 2012 at 6:49 AM

The National Weather Service has upgraded the flood watches to advisories for Alpine, Amador, Calaveras, El Dorado, Lake, Nevada, Placer, Sacramento, San Joaquin, Solano, Stanislaus, Sutter, Tuolumne, Yolo, Yuba until 6:15 pm.

December 2, 2012 at 6:23 AM

Per the Grass Valley ECC, use extreme caution and if possible stay off the road. Numerous powerlines are down, trees have been uprooted and small streams are flooding roadways. At this time, heavy precipitation and wind gusts are especially affecting the Dobbins area.

December 2, 2012 at 6:17 AM

Power outages, inevitable it seems in these winds, are being reported:

Joyce Middlebrook writes: New York House Road in Brownsville beginning approx 5:15 AM (Per PG&E, approx. 680 customers without power)

Another outage in the Nevada City area affects 42 customers, per the PG&E outage map.

December 2, 2012 at 6:01 AM

The National Weather Service in Reno has issued a Flood Warning for small streams in:

Northeastern El Dorado County In Central California,
This includes the city of South Lake Tahoe,

Northeastern Nevada County In Central California,
This Includes Prosser Creek Reservoir, Boca Reservoir,

Northeastern Placer County In Central California,
This includes the cities of Tahoe City, Squaw Valley, Kings
Beach, Alpine Meadows

Southern Lassen County In Northern California,
This includes the city of Doyle

Eastern Plumas County In Northern California,
This includes the cities of Plumas Eureka State Park,
Graeagle, Chilcoot, Blairsden, Beckwourth

Eastern Sierra County In Northern California,
This Includes The Cities Of Stampede Reservoir, Sierraville

* Until 5:15 pm Sunday

* At 5:19 am radar and satellite imagery showed deep moisture plume and associated heavy rain band moving into the Northern Sierra. Surface reports show rainfall rates increasing and approaching a third to one half inch per hour.

* River gauges on area streams show water levels beginning to rise including but not limited to Donner Creek, Blackwood Creek and General Creek. Heavy rain is expected the remainder of the morning. Snowmelt from higher elevations will add to runoff and likely push many creeks and streams out of their banks.

* Rock and mudslides are possible in steep terrain and may affect area highways including I-80 and Highways 50 and 89.

A flood warning means that flooding is imminent or has been reported. Stream rises will be slow and flash flooding is not expected. However, all interested parties should take necessary precautions immediately.

Excessive runoff from heavy rainfall will cause elevated levels on small creeks and streams and ponding of water on country roads and farmland along the banks of creeks and streams.

Most flood related deaths occur in automobiles. do not attempt to cross water covered bridges, dips or low water crossings. Never try to cross a flowing stream - even a small one - on foot. To escape rising water move up to higher ground.

December 2, 2012 at 5:41am

Here are some of the latest peak wind gusts reported to the National Weather Service for this area:

White Cloud RAWS (4320 FT)(GOES) at 4:33 AM DEC 2 - 53 mph
3 NE Lake of the Pines (APRSWXNET) at 1:26 AM DEC 2 - 41 mph
Nevada County Air Park (3 E Grass Valley) at 1:55 AM DEC 2 - 30 mph
Secret Town RAWS (2826 FT)(GOES) at 3:28 AM DEC 2 - 29 mph
1 W Grass Valley (2493 FT)(APRSWXNET) at 5:07 AM DEC 2 - 27 mph
3 SE Nevada City (3280 FT)(APRSWXNET) at 4:32 AM DEC 2 - 20 mph

December 2, 2012 at 5:38 AM

Wet and windy weather will continue for Northern California for Sunday. Details: Periods of very heavy rainfall is expected, particularly for the early morning and late morning hours.

Mud and debris flows are possible, especially near areas burned during recent wildfires.

Urban and small stream flooding is likely, with weir overflow/runoff through the bypasses. Localized flooding is also likely in low lying areas.

Tehama Bridge point on the Upper Sacramento River is forecast to reach flood stage by Sunday afternoon.

Expect local power outages due to downed limbs and trees. Snow levels are 7000-8000 ft but are forecast to drop to 5500-6500 ft by late Sunday afternoon.

Another brush of precipitation is forecast Tuesday and Wednesday. Drier by the end of the week.

Coverage of Day 1 is available here.

Coverage of Day 2 is available here.


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