Saturday, June 19, 2021

Weather Discussion for Saturday June 19, 2021

 Normal high/ low temperatures for June 15-June 22 (high/low)   Redding 93/62, Chico 91/57, Quincy 83/43, Chester 79/42, Susanville 81/46, Grass Valley 81/52, Weaverville 85/44, Mt. Shasta 77/46, Yreka 82/46, Alturas 79/42


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

Strong high pressure area to continue record heat today and Sunday.  There will be some locally gusty north winds in the morning, but by afternoon the winds will be south to southwest. 

Monday a weak upper level low pressure area will form just off the coast.  This low is more a weakness between the two centers of the strong high pressure ridge (see map below).  The low will drift around just off the coast and over Northern California through Wednesday.  Not much moisture with this system  but it could trigger isolated afternoon and evening thunderstorms over the mountains.  Temperatures start cooling slowly Monday and will be near normal by Wednesday.  Light to moderate south to southwest winds will occur in the afternoons.

Instead of moving east the weak low will start to drift back the southwest Thursday. This will allow the high pressure ridge to move back over our area.  Look for more hot weather by the weekend. 

The Old Forecaster
  
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Wednesday, June 16, 2021

Weather Discussion for Wednesday June 16, 2021

Normal high/ low temperatures for June 15-June 22 (high/low) Redding 93/62, Chico 91/57, Quincy 83/43, Chester 79/42, Susanville 81/46, Grass Valley 81/52, Weaverville 85/44, Mt. Shasta 77/46, Yreka 82/46, Alturas 79/42


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

Here comes the heat.   The strong high pressure ridge is moving over the west and will hold there through the next 7 to 10 days (see map below).  Today through Saturday the inland areas of Northern California will be sunny.  Temperatures today jump to about 10 degrees above normal.  Thursday through Saturday daytime temperatures will be 15 to 20 degrees above normal, breaking records at many locations.  Winds will be light except the north end of the valley will see gusty north winds in the mornings becoming light in the afternoon.

Sunday through early next week the high will still be in place but it looks like we may begin to see some subtropical moisture being pulled northward.  This could cause afternoon and evening thunderstorms over the mountains.  Temperatures will cool a few degrees but still be hot.  Winds will be light.

The Old Forecaster
  
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Monday, June 14, 2021

Weather Discussion for Monday June 14, 2021

 Normal high/ low temperatures for June 15-June 22 (high/low) Redding 93/62, Chico 91/57, Quincy 83/43, Chester 79/42, Susanville 81/46, Grass Valley 81/52, Weaverville 85/44, Mt. Shasta 77/46, Yreka 82/46, Alturas 79/42


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

Strange day yesterday....Rain on the coast and over the northwest corner of the state all day with above normal temperatures in the valley and to the east.   The north state continues to be stuck between a low pressure area along the coast and a strong high pressure ridge to the east.  Today there will continue to be clouds over the northwest corner of the state with a few showers and sunny and warm weather over the valley and to the east.  Gusty southwest to west winds will occur this afternoon.  Tuesday the high begins to win and the low will be pushed to the north east.  There will be a few clouds near the Oregon border and sunny and warm elsewhere. 

Wednesday through at least the early part of next week a strong high pressure ridge will be over the western U.S. (see map below).  The inland areas of Northern California will be sunny.  Temperatures will be warming and Thursday through Saturday the north end of the valley will be near 110 degrees.  Gusty north winds will occur in the valley and surrounding foothills Tuesday night through midday Saturday.

The Old Forecaster
  
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Saturday, June 12, 2021

Weather Discussion for Saturday June 12, 2021

Normal high/ low temperatures for June 7-June 15 (high/low) Redding 89/60, Chico 88/56, Quincy 80/42, Chester 76/40, Susanville 78/45, Grass Valley 78/50, Weaverville 83/44, Mt. Shasta 75/45, Yreka 80/45, Alturas 76/40


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

We are still caught between a low pressure area off the coast trying to move east and a strong high pressure area to our east trying to push back to the west.  The low sends bands of clouds eastward and the high dissipates them as they try to move inland.  Today through Monday the north coast, Trinity, and western Siskiyou counties will see periods of clouds with a chance of a light shower.  The Sierras from Mt Lassen southward will be sunny with above normal temperatures.  The areas in between (Redding) will see a few clouds at times with near normal temperatures.  Gusty southwest winds will occur in the afternoon. 

Tuesday the high wins and the low is forced northeastward.  There will be some clouds along the Oregon border, but sunny elsewhere.  Temperatures will be above normal and gusty north winds will move into the area in the afternoon and evening.

Wednesday through the weekend the strong high pressure area will be over the west (see map below).  The inland areas of Northern California will be sunny and hot.  Temperatures in  the north end of the valley will be between 105 and 110 by Friday.  Gusty north winds will occur in the north valley and surrounding foothills Wednesday through midday Friday.

The Old Forecaster
  
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Wednesday, June 9, 2021

Weather Discussion for Wednesday June 9, 2021

 Normal high/ low temperatures for June 7-June 15 (high/low) Redding 89/60, Chico 88/56, Quincy 80/42, Chester 76/40, Susanville 78/45, Grass Valley 78/50, Weaverville 83/44, Mt. Shasta 75/45, Yreka 80/45, Alturas 76/40


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

The off shore low pressure trough will move across Northern California today.  Skies will become partly cloudy with a chance of showers or thunderstorms over the mountains and in the valley north of Red Bluff.  Temperatures will continue below normal and gusty southwest to northwest winds will occur in the afternoon.  

Thursday look partly to mostly sunny.  Temperatures will be warmer but still below normal.  Light to moderate west to northwest winds are expected.

Friday through Tuesday Northern California will be squeezed between two weather systems.  Friday another low pressure trough will be approaching the coast.  However, the high pressure ridge to our east will be pushing back to the west.  Friday the off shore low will send a band of clouds across the north state with isolated light showers along the north coast and the areas north of Redding. Temperatures will continue below normal.  Saturday and Sunday the areas along the coast and over Trinity and Western Siskiyou counties will be partly cloudy with normal or slightly below normal temperatures.  The valley and Sierra Cascade area will be sunny with above normal temperatures.  South winds will increase in the afternoons. 

Monday afternoon and Tuesday the high pressure ridge wins and the off shore low will weaken and move northeastward as the high pressure area pushes back towards our area (see map below).  The northwest corner of the state will see a few clouds, but the rest of the north state will be sunny with above normal temperatures.

Wednesday through the end of the week the high will dominate our weather with sunny skies and above normal temperatures.   

The Old Forecaster
  
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Monday, June 7, 2021

Weather Discussion for Monday June 7, 2021

Normal high/ low temperatures for June 7-June 15 (high/low) Redding 89/60, Chico 88/56, Quincy 80/42, Chester 76/40, Susanville 78/45, Grass Valley 78/50, Weaverville 83/44, Mt. Shasta 75/45, Yreka 80/45, Alturas 76/40


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

The big change in the weather is starting.  The high pressure ridge has moved eastward and a low pressure trough is developing along the coast.  This trough will be along the coast later today and Tuesday.  The trough is moving very slowly and will move across the north state Wednesday.  There will be a few clouds today and Tuesday with isolated showers and thunderstorms over the higher elevations north of Redding.  Wednesday as the trough moves through it will trigger scattered showers and thunderstorms over the foothills and mountains with isolated activity possible in the north end of the valley.  Temperatures will be 8 to 14 degrees below normal through Wednesday.  Gusty southwest to northwest winds will occur in the afternoons and evenings. 

Thursday looks sunny with temperatures warmer but still below normal.

Friday and early Saturday another low pressure trough will be off the coast (see map below).  However, at this time the large high pressure area will begin to rebuild over the western U.S.  This will be a battle between opposing weather systems.  The trough will want to push east and the high will be forcing it northward.  This time of year I expect the high will win and we will see the hot weather return.  The forecast problem is how far east will the trough make it before it gets pushed northeastward?  The two major weather models are very different.  One blocks the trough from getting close enough to the coast to affect our weather.  The other drags it across the far north end of the state.  Look for a few clouds Friday and Saturday with a chance of showers over the northwest corner of the state.  Sunday and Monday the chance of showers will be over the areas from Redding northward.  Areas in the valley south of Corning and over the Sierras south of Mt. Lassen will probably be mostly sunny Friday through Monday with temperatures back near normal. 

The Old Forecaster
  
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Saturday, June 5, 2021

Weather Discussion for Saturday June 5, 2021

 Normal high/ low temperatures for May31-June 7 (high/low) Redding 86/59, Chico 86/56, Quincy 78/41, Chester 73/39, Susanville 75/44, Grass Valley 76/50, Weaverville 81/44, Mt. Shasta 72/44, Yreka 77/45, Alturas 73/40


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

Big changes in the weather over the next several days.  The high pressure ridge that has brought the hot weather to Northern California will continue to weaken and move eastward.  A low pressure trough will drop southeastward from the Gulf of Alaska and will be along the coast and Monday and Tuesday (see map below).  Sunny today and Sunday.  Temperatures will cool a little today and then a few degrees more Sunday.  Gusty west to northwest winds will occur today and Sunday. 

Monday and Tuesday we will see a few clouds with isolated showers or thunderstorms over the higher elevations.  Temperatures will be slightly below normal.  Gusty south to southwest winds will occur in the afternoons.    

Wednesday the trough moves east of our area.  Wednesday and Thursday will be sunny with temperatures normal to slightly below.  Friday a stronger low pressure trough will be along the coast and will continue there through the weekend.  The north state will see a few clouds with scattered showers and thunderstorms.  Temperatures will be below normal.

The Old Forecaster
  
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Wednesday, June 2, 2021

Weather Discussion for Wednesday June 2, 2021

 Normal high/ low temperatures for May31-June 7 (high/low) Redding 86/59, Chico 86/56, Quincy 78/41, Chester 73/39, Susanville 75/44, Grass Valley 76/50, Weaverville 81/44, Mt. Shasta 72/44, Yreka 77/45, Alturas 73/40


This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring. 

The high pressure ridge that is along and over the west coast will slowly weaken.  Today through Saturday the north state will be sunny with temperatures cooling to 10 to 15 degrees above normal by Saturday.  Winds will be light nights and mornings and southerly in the afternoon.  

Sunday the ridge will shift continue to weaken as a low pressure trough sets up just off the Canadian and Pacific Northwest coasts (see map below).  The trough will remain along the coast through Tuesday.  There is not a lot of moisture associated with this trough.  Monday and Tuesday there will be some afternoon and evening cumulus clouds with isolated showers or thunderstorms possible over the higher elevations, north of Redding.  Temperatures will be normal or slightly below normal.  

Wednesday the high pressure ridge is back over the west coast for a return of hot weather.

The Old Forecaster
  
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