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by NevadaCountyWX
on 26/11/19
FORECAST LOOKS SOLID FOR LOW SNOW! 33°F 7:30AM Hey hey Giovanni here. Woke up to chilly temperatures and clear skies as the first needed ingredient for low snow has arrived and there's plenty more cold air on the way. The cold front is just now starting to BOMB out (rapid intensification) as it drops south bringing the needed moisture and colder air mass that's expected to bring Nevada City, Grass Valley significant snow. Even Penn Valley and LOP will see snow. Timing is the constant variable, but the wind will arrive first, and then light snow showers before the cold front pushes into the foothills this afternoon/evening.

This evening into tonight is when all the fun begins and the heaviest snowfall will occur. This storm will be a heavy snow producer especially above 3000ft especially impacting communities in the upper foothills. Banner and Cascade Shores may see over 1ft or more of snow. Farther north along the Cruzon grade 1-3ft of snow looks very possible overnight. Snow totals in GV/NC may exceed 6-10" into Wednesday morning, but potentially more. It all depends on how long it takes for this Low to push through. This winter storm looks to rage late into the night with the Sierra receiving the brunt of the moisture and cold air. The Sierra above 7000ft may receive 3-4ft of snow in total if not more. Expect today's daytime highs in the low 40s and overnight lows to drop into in the low 30s.

Don't be crazy! AVOID THE SIERRA this afternoon into Wednesday evening.

Adjust your holiday travel plans this week to include snow as even local travel may really suck as tertiary roads into the outskirts of town may still be snow covered on Thanksgiving day. Driving into the Sierra Tuesday/Wednesday is not recommended. Expect very long delays, white outs, road closures and slow downs. Carry chains or drive an AWD vehicle. This weekend looks to bring another strong but warmer storm that may sit offshore, details are sketchy on this follow up storm that looks possible for late Saturday into Sunday.

The long range forecast is still a flip floppity mess this morning. Let's get past this upcoming storm pattern before we get too excited about future storm possibilities. More on that soon.

Today -
*Clouds developing.
*Gusty 20-25mph winds.
*Rain/snow mix at 2000ft then all snow.
*Greater amounts in the outskirts of town.
*Heavy snow above 4000ft.
*12-18" of snow on Banner and Cascade Shores.
*6-10" of snow possible in GV/NC overnight into Wednesday.
*1-3ft of snow along the Cruzon Grade, "The Ridge."
*2-3ft of snow above 7000ft.
*A terrible day for travel into the Sierra.
*Highs in the low 40s.
*Lows in the low 30s

Truckee.......................................33°F - 20°F
GV/NC .......................................41°F - 32°F
Penn Valley/LOP.........................44°F - 33°F

Wednesday -
*Snow turning to showers.
*Thunderstorms possible.
*Snow levels generally above 2000ft.
*Locally lower in heavier showers.
*1-3" of snow in Penn Valley?
*Another 3-4" of snow in GV/NC?
*Heavy snow at times in the Sierra
*Another 12" of snow above 6000ft
*Another terrible day for travel into the Sierra.
*Highs in the upper 30s.
*Lows in the mid to upper 20s

Thanksgiving Day -
*Mostly cloudy early.
*Snow possible above 2000ft.
*Snow showers in GV/NC.
*Some clearing.
*Highs in the upper 30s.
*Lows in the upper 20s

Friday -
*Lingering rain and snow showers.
*Snow possible as low as 2000ft
*Clearing throughout the day.
*Highs in the upper 30s.
*Lows in the mid 20s

Saturday -
*Partly cloudy early.
*Snow showers developing in the afternoon/evening
*Snow possible above 2500ft.
*Bye bye snow!
*Rising snow levels throughout the day.
*Highs in the low 40s.

*Lows in the mid 30s

Sunday -
*Snow levels above 4000ft.
*Showers likely.
*Highs in the low 40s.
*Lows in the mid 30s

Monday -
*Snow levels above 4000 -5000ft.
*Showers possible.
*Highs in the low 50s.
*Lows in the low 40s

Nevada City Rainfall -
*November 2018 rainfall........................6.87"
*Average November rainfall..................7.32"
*Rain so far this month..........................0.08"

*Nevada City Rainfall as of 7/1/2019: 1.91" (25% /avg)
*Normal Average Rainfall by end of November: 11.59"
*Snowfall in Nevada City so far this season: 0"

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