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Spring Temperature Swings This Week

SALT LAKE CITY (ABC4) — Happy Sunday, Utah! It's a calm start to the day with mostly clear skies across the state.

High pressure in place today will allow for our weekend warm-up to continue with daytime highs roughly 10-15 degrees above seasonal averages. Daytime highs will reach the mid to upper 70s for the Wasatch Front while in St. George, the forecast calls for 90 degrees this afternoon — the first 90-degree day of the year. Mostly clear skies are expected for much of the state with the exception to partly cloudy skies along portions of southern Utah, mainly over the higher terrain as very limited moisture moves through the westerly flow.

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Temperatures will cool slightly across northern Utah Monday as the ridge flattens due to a storm passing to the north. The impact won't be significant, but many northern valleys will be 5-8 degrees cooler than today. In southern Utah, the warmth remains and another 90 degree day is expected for St. George. Limited moisture moving through the state may, once again, generate a few high elevation showers over some of central Utah. Otherwise, ridging returns through midweek with another warm-up for the Wasatch Front. Temperatures are expected to climb into the mid to upper 70s through Wednesday ahead of more active weather for the remainder of the week.

Changes to the weather pattern will move in on Thursday as a trough of low pressure is expected to move in from the west. The low will work its way through the Beehive State through the end of the week with a secondary system possibly moving in behind it for the weekend. Stay tuned.

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Windy Through Wednesday With Clear Skies, Warmer TemperaturesCentral Coast Weather Report

Historically, spring along the Northern and Central California coast is notorious for vigorous and persistent northwesterly winds, and this week will undoubtedly live up to this reputation.

The northwesterly gales of spring often mix out the marine/temperature inversion layer, creating less overcast with more sunshine in the coastal regions. 

For this week, a high-pressure ridge over California will produce Santa Lucia (northeasterly) winds during the night and morning. As the Central Valley heats up during the day, a steep pressure gradient will develop between the shoreline and far inland valleys.

This condition will cause the winds to shift out of the northwest and increase to strong to gale-force (25 to 38 mph with gusts to 45 mph) levels along the coastline and many of the coastal valleys during the late morning, afternoon and evening on Saturday through Wednesday. 

This weather pattern will result in clear skies and warmer temperatures across San Luis Obispo and Santa Barbara counties. In fact, temperatures will warm to the high 70s in the inland valleys (Santa Ynez) and low 70s in the coastal valleys (Santa Maria and Lompoc), while the beaches will experience high 60s.

The coastal communities will experience a drop in temperature during the afternoon.

A trough of low pressure will form along the California coastline from Thursday through next Saturday, leading to a decrease in northwesterly winds and the formation of a deep and persistent marine layer.

This layer will bring pockets of drizzle and fog overnight along the beaches and the coastal valleys, while the coastal valleys will clear during the afternoon, with many of the beaches remaining overcast. 

Another round of strong to gale-force (25 to 38 mph) northwesterly winds are forecast next Sunday through most of the following week.

Sat Sun Mon Tue Wed Thu Fri Sat

45/65 48/70 48/72 51/72 51/72 51/68 52/67 52/67

Sat Sun Mon Tue Wed Thu Fri Sat

43/71 47/76 47/78 49/79 49/76 49/75 50/73 50/72

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Sat Sun Mon Tue Wed Thu Fri Sat

44/64 48/71 48/70 49/72 49/70 49/67 50/65 51/66

As the winds blow parallel to our coastline, the friction causes ocean surface water to move. Because of the Coriolis effect, the surface water flows to the right, or offshore. That, in turn, causes upwelling along the coast as cold, clear and nutrient-rich water rises from the ocean's depths to the surface along the immediate shoreline to replace the shallow water that is pushed out to sea. Consequently, sea water temperatures will decrease to 50 and 52 degrees on Sunday through Wednesday.

A 6- to 8-foot northwesterly (310-degree deep-water) sea and swell (with a 5- to 8-second period) is expected on Saturday, building to 8- to 10-feet with the same period on Sunday through Tuesday.

This northwesterly sea and swell will decrease to 5- to 7- feet on Wednesday.

A 4- to 6-foot northwesterly (290-degree deep-water) swell (with an 8- to 11-second period) will develop on Thursday, decreasing to 3- to 5-feet on Thursday into next Saturday.

Combined with this northwesterly sea and swell, will be 1- to 2-foot southern hemisphere (215-degree deep-water) swell (with a 15- to 17-second period) on Saturday through Tuesday.

This Date in Weather History (April 28):

1921 - A severe hailstorm in Anson County, NC, produced hail the size of baseballs. Gardens, grain fields and trees were destroyed. Pine trees in the storm's path had to be cut for lumber because of the hail damage. (The Weather Channel)

2017 - Yesterday's northwesterly winds reached 46.3 mph sustained with gusts to 61.9 mph at the Diablo Canyon Meteorological Tower at the 76-meter anemometer. These are some of the strongest spring northwesterly winds ever recorded.

2020 - Gusty Santa Lucia (northeasterly) winds last night produced mid to high-70 degrees temperatures at Diablo Canyon around midnight.

John Lindsey, now retired, served as PG&E's Diablo Canyon marine meteorologist. Email him at JohnLindseyLosOsos@gmail.Com or follow him on Twitter @PGE_John.

Break Out The Shorts! Canton To See High Temperatures Of 77 And 81 Degrees This Weekend

The National Weather Service is predicting a warm, sunny weekend for the Akron-Canton area, with high temperatures of 77 degrees on Saturday and 81 on Sunday followed by a high of 82 on Monday.

CANTON ‒ If you're the type who likes to plan ahead, it might be time to call in sick Monday.

The National Weather Service is predicting a warm weekend for the Akron-Canton area, with high temperatures of 77 degrees on Saturday and 81 on Sunday to be followed by a high of 82 on Monday.

The outlook follows a Thursday morning when a temperature of 31 degrees was measured at 5:51 a.M. At the Akron-Canton Airport in Green and patchy frost is forecast for the overnight hours. On the same date in 1915, the Akron-Canton area had a record high temperature of 88 degrees.

Today's high is expected to be near 57, with a northeast wind around 6 mph.

Friday's forecast includes patchy frost before 8 a.M. The last day of the work week is expected to be sunny with a high near 70 and a southeast wind at 8 to 11 mph. For Friday night, the weather service says showers are likely and a thunderstorm is possible, mainly after 2 a.M. It will be mostly cloudy, with a low around 56 and southeast wind at 9 to 14 mph. The chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch are expected, with higher amounts possible in thunderstorms.

Here's what to expect for the following days:

Saturday: Showers and thunderstorms likely before 2 p.M., then a slight chance of showers between 2 and 5 p.M., then a slight chance of showers and thunderstorms after 5 p.M. Mostly cloudy, with a high near 77. South winds at 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday night will bring a slight chance of showers and thunderstorms before 11 p.M., then a slight chance of showers between 11 p.M. And 2 a.M. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

Sunday: Partly sunny, with a high near 81. At night, it will be partly cloudy, with a low around 62.

Monday: A chance of showers after 2 p.M. Mostly sunny, with a high near 82. Chance of precipitation is 40%. At night, there will be a chance of showers before 8 p.M, then a chance of showers and thunderstorms between 8 p.M. And 2 a.M., then showers likely after 2 a.M. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

Tuesday: Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. At night, there will be a chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.

Wednesday: A chance of showers but mostly sunny with a high near 76. Chance of precipitation is 30%.

This article originally appeared on The Repository: Canton weather expected to be warm through Monday

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