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News with a Local Lens

Dry day but pouring rain – KION546
minsta

Dry day but pouring rain – KION546

Cold air sets in overnight – perhaps the coldest air aloft so far this season. High clouds are also rolling in, which will limit how cold it will be at the surface. Most inland areas will experience frost and scattered frosts will also be possible near the coast through Tuesday morning. High clouds then thicken Tuesday as a storm system forms over the open Pacific. This storm system – a (likely) “bomb cyclone” with an attached atmospheric river will be a real blow to Oregon and the northern California coast. We will be at the southern end by Wednesday, but the first impacts will be very limited. To learn more, see the extended section below.

AIR QUALITY: Good to moderate

***FROST WARNING***
…for inland areas of Monterey County and San Benito County, effective from 12:00 a.m. Tuesday to 8:00 a.m. Tuesday.

*Freezing temperatures as low as 26 are expected.

*Freezing and freezing conditions could kill crops and other sensitive vegetation and possibly damage unprotected outdoor plumbing. Cold conditions will be dangerous for sensitive populations such as unhoused people. Cold conditions can lead to hypothermia with prolonged exposure.

Take steps now to protect tender plants from the cold.

Be sure to open sink cabinet doors and/or drip faucets. This can help reduce or prevent damage to uninsulated pipes and other plumbing.

**FROST NOTICE**
…for Coastal Santa Cruz County, Santa Clara Valley, and Inland Santa Clara County Mountains, effective from 12:00 a.m. Tuesday to 8:00 a.m. Tuesday

*Temperatures as low as 34 will cause frost to form.

*Freezing and freezing conditions could kill crops and other sensitive vegetation and possibly damage unprotected outdoor plumbing. Cold conditions will be dangerous for sensitive populations such as unhoused people.

Take steps now to protect tender plants from the cold.

Be sure to cover or care for sensitive plants and vegetation, as they may be damaged by frost.

Tuesday: High clouds increase and sometimes become thick during the day. Highs remain cold, in the mid 50s to low 60s. Light winds for most areas at first. Southerly winds will begin to strengthen over the water late in the day.

**WIND WARNING**
..for North Shore Santa Cruz County in effect from 10:00 p.m. Tuesday until 6:00 a.m. Thursday

*South winds 20 to 30 mph with gusts up to 45 mph expected.

*Gusts of wind will blow around unsecured objects. Tree branches could be blown down and some power outages could result. The combination of wind and wet soils will increase the risk of
trees felled.

Winds this strong can make driving difficult, especially for high-end vehicles. Be extremely careful.

Wednesday: Partly cloudy with occasional gusty southerly winds. Some light rain possible in Santa Cruz County, but most other areas will remain dry. Warmer, with highs in the 60s for most areas.

***GALE WARNING***
..for nearshore waters from Pigeon Point to Point Pinos (outside Monterey Bay), effective from 9:00 a.m. Wednesday to 3:00 p.m. Wednesday

Southeast winds 25 to 30 kt with gusts up to 45 kt and seas of 9 to 13 feet expected.

*Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Mariners should modify their plans to avoid these dangerous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel in the event of unsafe conditions.

Extended:
A strengthening ridge to the south will likely push AR northward on Thursday, although we may still need to watch for rain in the north. By Friday/Saturday, the weakened AR will likely finally move through the Monterey Bay region with a cold front. Widespread rain is expected during this period, but at the moment it doesn’t look that heavy. However, this is likely the wettest system of the season so far. There are indications that the “back door” remains open behind this system, which could lead to additional precipitation through the weekend. A lot could change: intensity, timing, etc., so stay tuned for my predictions!

*Note: All alerts from the National Weather Service Monterey will be noted in italics above. Alerts may be edited for brevity or local clarification

————————————————– ———————
Normal temperatures this week:
–COASTAL TOWNS–
LOW: 45ºF
HIGH: 63ºF

–INTERNAL CITIES–
LOW: 40ºF
HIGH: 66ºF
————————————————– ——————–
-The outlook from the Climate Prediction Center for November 26th – December 2sd calls for the likelihood of BELOW normal temperatures and ABOVE normal precipitation.

– ENSO STATUS (El Niño/La Niña): La Niña Watch
– ENSO forecasts: Transition to La Niña in the fall and persistence through the winter months.
– Drought status of the area: Normally dry for areas around Monterey Bay northward. Without drought elsewhere.
– Monterey Bay sea surface temperature as of November 19th : 53.4ºF (average of 7 buoys) (November average: 56.6 ºF)