Totals So Far With More Coming - KTVN Channel 2 - Reno Tahoe Sparks News, Weather, Video

Totals So Far With More Coming

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Cutoff lows work a lot like a pinwheel, producing rain or snow in front of it, and then wrapping the moisture on the back side of it too. They can also be very hard to predict, because they are cut off from the jet stream and lose their steering. The low was situated west of central California early Saturday afternoon, but it will be closer to Las Vegas by Sunday afternoon, keeping the shower chances farther south.

However, some bands could still move into the area on the backside of the low too, and stream in from the east. With the low positioned more to the south opposed to the northwest, lots of moisture is being pulled into the area, and gave us a good soaking Saturday.  Everything moves south Sunday. 

As of Saturday around 9pm, rain totals have already exceeded a half inch in the Reno area and closer to an inch in Carson City and Minden. Snow is also falling around Lake Tahoe with reports of snow as low as 6200’. Snow level will drop a little bit further overnight too. Be prepared for some slushy light snow at Donner Saturday night into Sunday Morning. Forecasted snow totals range from several inches at Lake Level to closer to a foot above 8000’. 

*Totals as of Saturday night have generally been in the 1-3 inches range at lake level, with higher amounts above 7500'. 

With the heavy rain, snow melt, and already stressed creeks, streams, and rivers a Flood Watch remains for both the Sierra and western Nevada through Sunday at 5am. Impacts will be minor overall, but worse off around Tahoe. The cooler snow levels should help things though. The Truckee River in Truckee will probably reach minor flood stage and stay there Sunday, and the Truckee at Vista may come very close to Flood Stage Sunday morning as well. Again, main issue though will be our creeks and streams. 

*chart via NWS 

Best chance for thunderstorms will be east of Reno this weekend, because that is where there is the most cape. What is cape? It’s basically warm air that is unstable, and can move upwards quite easily. Cape can be thought of as food for a thunderstorm. This system is two fold, in that it has an upper level low kicking the showers around the west side of Nevada, and then a cold front in the central part of the state that is helping to fuel thunderstorms farther east. In advance of the cold front is the warm sector, where the air is warmer and usually more unstable. Behind the cold front the air is cooler and not as juiced. Majority of the rain will be south of Reno by Sunday afternoon, but we could still see a few bands set up in Central Nevada and get mighty close to the Reno area. 

The upper level low will be out of the Reno area by Tuesday with still a chance for a few thunderstorms in eastern Nevada, but dry in Reno. Temperatures will be pleasant this coming week with highs in the 70’s. Another low moves into the Pacific Northwest by the later half of the week, increases our wind speeds, and cooling us off a tad. 

Make sure to tune into our newscasts and our website and we’ll keep you up to date with the latest weather information when it comes available. You can also follow me on Facebook and Twitter at Angela Schilling. 

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