Sacramento could get 4-plus inches of rain, wind gusts up to 50 mph
Trees or branches weakened earlier in winter can fall without warning in a windy storm. Kathy Morrison
“Gusty southerly winds are forecast across interior NorCal Thursday afternoon through Friday afternoon creating difficult driving conditions, downed branches, and possible power outages,” tweeted the NWS Sacramento office on Wednesday. “Secure your outdoor objects and drive with caution in/around high-profile vehicles!”
The weather service also issued two weather alerts: A flood watch from 1 p.m. Thursday through 9 a.m. Sunday and a 24-hour high-wind advisory, starting at 4 p.m. Thursday.
This atmospheric river is tropical in origin; that means more rain than snow in the Sierra. However, that rain could melt snow at lower elevations, adding to flood risk, says the weather service. The flood watch extends from the Sierra foothills to Suisun Bay.
All this wind and rain puts big trees – particularly evergreens – at risk. Some redwoods, cedars and firs are already battered by a very active winter. If another branch is ready to break, this may be the weekend it comes down.
Beware of leaning trees. Their roots may be giving way. Our soil is already moist and soft; that makes it slippery, too. Sacramento received more than a half inch of rain in the series of showers that started March 4. That will seem like a puddle compared to the expected deluge.
The current forecast predicts 4.4 inches of rain between noon Thursday and Tuesday evening. But instead of chilly nights and days in the 40s, our temperatures will be near or above normal. Afternoon highs will hover in the low to mid 60s. The biggest change is overnight lows. Instead of near freezing, nighttime temperatures will stay mostly in the 50s.
Those higher overnight temperatures will help warm soil and speed spring growth. A lot of plants will appreciate all this moisture.
In the meantime, tie down the patio furniture. Clear gutters and storm drains of any debris. Move potted plants (especially succulents) to sheltered locations. All that rain can rot succulents as well as seedlings.
For more weather updates: https://www.weather.gov/sto/#.
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Garden Checklist for week of Sept. 29
Make the most of cool mornings and remember to keep new transplants hydrated. Their roots appreciate the warm soil, even though they may wilt in this heat.
* October is the best month to plant trees, shrubs and perennials.
* Before planting, add a little well-aged compost and bone meal to the soil, but hold off on other fertilizers until spring. Keep the transplants well-watered (but not wet) for the first month as they become settled.
* Dig up corms and tubers of gladioli, dahlias and tuberous begonias after the foliage dies. Clean and store in a cool, dry place.
* Treat azaleas, gardenias and camellias with chelated iron if leaves are yellowing between the veins.
* Clean up the summer vegetable garden and compost disease-free foliage.
* Harvest pumpkins and winter squash.
* Now is the time to plant seeds for many flowers directly into the garden, including cornflower, nasturtium, nigella, poppy, portulaca, sweet pea and stock.
* Plant seeds for radishes, bok choy, mustard, spinach and peas.
* Plant garlic and onions.
* Set out cool-weather bedding plants, including calendula, pansy, snapdragon, primrose and viola.
* Reseed and feed the lawn. Work on bare spots.
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