Wednesday, March 31, 2021

Weather Discussion for Wednesday March 31, 2021

 Normal high/ low temperatures for March 29-April 5 (high/low) Redding 69/45, Chico 70/43, Quincy 60/31, Chester 55/27, Susanville 57/30, Grass Valley 60/37, Weaverville 64/33, Mt. Shasta 58/31, Yreka 61/32, Alturas 57/27

  
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. 

High pressure will remain along of just off the west coast through Saturday.   Northern California will be mostly clear with continued above normal temperatures.  Winds will be light.

Saturday a low pressure trough will develop or deepen in the Gulf of Alaska.  This trough will move eastward and as it does it will split apart with the southern portion being along the Northern California coast Monday (see map below).  The low will move slowly eastward and be east of our area by late Tuesday.  Clouds will increase late Sunday.  Monday and most of Tuesday the north state will be partly cloudy to cloudy with scattered showers and possible thunderstorms.  Snow levels will be 5000 to 6000 feet.  

Skies clear out late Tuesday and Wednesday we return to sunny with near normal temperatures.

The Old Forecaster
  
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Monday, March 29, 2021

Weather Discussion for Monday March 29, 2021

Normal high/ low temperatures for March 29-April 5 (high/low) Redding 69/45, Chico 70/43, Quincy 60/31, Chester 55/27, Susanville 57/30, Grass Valley 60/37, Weaverville 64/33, Mt. Shasta 58/31, Yreka 61/32, Alturas 57/27

  
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. 

High pressure is still off the coast.  A low pressure area and frontal system are moving through Western Canada and the Pacific Northwest.  Today will be mostly sunny and temperatures will continue above normal.  Gusty north winds will move into the area during the day.

Tuesday through Thursday skies will be clear and daytime temperatures will be 8 to 12 degrees above normal.  Gusty north winds will continue through midday Wednesday.

Friday and Saturday a low pressure trough will begin to develop or deepen off the west coast (see map below).  Temperatures Friday and Saturday will slowly cool with light to moderate south winds in the afternoon.  

It is not uncommon to see differences in the forecast models in the 7 to 10 day forecast period.  What is interesting in this case is for the past 3 to 4 days the models have had a very consistent difference.  The European model splits the offshore trough and keeps a relatively strong portion off the coast through early next week.  The GFS (US) model splits the trough and moves a weak portion through Sunday and Monday.  We will hope the European is correct but expect something closer to the GFS.   Look for light rain or scattered showers Sunday and Monday.  Snow levels above 6000 feet. 

The Old Forecaster
  
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Saturday, March 27, 2021

Weather Discussion for Saturday March 27, 2021

Normal high/ low temperatures for March 22-March 29  (high/low) Redding 67/44, Chico 67/42, Quincy 58/30, Chester 52/26, Susanville 55/30, Grass Valley 59/37, Weaverville 61/32, Mt. Shasta 55/31, Yreka 59/31, Alturas 55/25

  
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. 

High pressure is still off the coast.  Today and Sunday will be mostly clear with above normal temperatures.  Winds will be light.

Late Sunday and Monday a low pressure area will move through Western Canada and the Pacific Northwest.  This system will bring a few clouds to Northern California with a chance of Isolated showers east of the Sierra Cascade Crest.  Temperatures will cool and gusty north winds will move into the area Monday.  

Wednesday through Friday we will be back to sunny skies with daytime temperatures 8 to 12 degrees above normal  Gusty north winds will occur Tuesday through Wednesday afternoon. 

Late Friday and Saturday a low pressure trough we develop off the west coast (see map below).  This could bring a chance of rain to the area Saturday.

The Old Forecaster

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Wednesday, March 24, 2021

Weather Discussion for Wednesday March 24, 2021

  Normal high/ low temperatures for March 22-March 29  (high/low) Redding 67/44, Chico 67/42, Quincy 58/30, Chester 52/26, Susanville 55/30, Grass Valley 59/37, Weaverville 61/32, Mt. Shasta 55/31, Yreka 59/31, Alturas 55/25

  
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 has once again taken up residence just off the west coast.  This morning's satellite picture compared to the forecast weather map below for Monday show little change.  There will be a few clouds today and early Thursday from a frontal system dropping southeastward across Western Canada and the Pacific Northwest.  There could also be a few light showers over the higher elevations north and east of the valley  Temperatures today will be near or a few degrees above normal and there will be gusty north winds.

Thursday through at least the mid part of next week the north state will see mostly sunny skies with a few clouds Sunday and early Monday.  Temperatures will continue above normal with the warmest weather Friday through Sunday when daytime temperatures will be 10 tp 15 degrees above normal.  Gusty north winds will occur Thursday and again late Sunday through Tuesday.

The Old Forecaster

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Monday, March 22, 2021

Weather Discussion for Monday March 22, 2021

  Normal high/ low temperatures for March 22-March 29  (high/low) Redding 67/44, Chico 67/42, Quincy 58/30, Chester 52/26, Susanville 55/30, Grass Valley 59/37, Weaverville 61/32, Mt. Shasta 55/31, Yreka 59/31, Alturas 55/25

  
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. 

A low pressure area and frontal system are currently moving through the Pacific Northwest. The southern end of this system is bringing clouds to Northern California with isolated light showers north and east of the valley. The system will be east of our area by afternoon and skies will be clearing.

Tuesday through the weekend we will have a high pressure ridge off the coast.  The jetstream will run  over the top off the ridge and into the Great Basin (see map below).  Northern California will be mostly sunny.  There will be a few clouds Wednesday as another storm moves by to our north.  Temperatures will be above normal and periods of gusty north winds are expected. 

The Old Forecaster

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Saturday, March 20, 2021

Weather Discussion for Saturday March 20, 2021

 Normal high/ low temperatures for March 15 -March 22  (high/low) Redding 66/44, Chico 66/42, Quincy 57/29, Chester 52/25, Susanville 55/29, Grass Valley 59/37, Weaverville 61/31, Mt. Shasta 55/31, Yreka 58/31, Alturas 54/25

  
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 low pressure trough that brought rain to the area is now moving eastward.  There will be clouds over the foothills and mountains today with a few scattered showers.  Snow levels will be near 4000 feet. 

Sunday though next weekend a high pressure ridge will be off the coast (see map below).  Northern California will be mostly clear.  The exception will be late Sunday and Monday and again on Wednesday when frontal systems passing by to the north bring a few clouds to the area.  Sunday through next weekend temperatures will be above normal and there will be periods of gusty north winds. 

The Old Forecaster

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Wednesday, March 17, 2021

Weather Discussion for Wednesday March 17, 2021

 Normal high/ low temperatures for March 15 -March 22  (high/low) Redding 66/44, Chico 66/42, Quincy 57/29, Chester 52/25, Susanville 55/29, Grass Valley 59/37, Weaverville 61/31, Mt. Shasta 55/31, Yreka 58/31, Alturas 54/25

  
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. 

Today will be partly cloudy with near normal temperatures.  South winds will increase in the afternoon.  The low pressure area and frontal system shown on this morning's satellite picture (below) is moving east and will reach the coast Thursday.   Rain is expected Thursday turning to scattered showers Friday.  Snow levels will be 4000 to 5000 feet Thursday lowering to 2500 to 3500 feet in the north Friday.  Snow levels south will remain 4000 to 5000 feet.  Partly sunny with a few clouds Saturday and early Sunday with temperatures remaining below normal.  Gusty north winds will occur.

Clouds will begin to increase late Sunday.  Monday we will see partly cloudy to cloudy skies, with a few showers north and east of the valley, as a low pressure trough moves through the Pacific Northwest (see map below).  

Tuesday high pressure rebuilds along the west coast and will remain there through at least the end of the week.  Skies will be clear with above normal temperatures.  Gusty north winds are expected Tuesday through early Thursday.

The Old Forecaster

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Monday, March 15, 2021

Weather Discussion for Monday March 15, 2021

 Normal high/ low temperatures for March 15 -March 22  (high/low) Redding 66/44, Chico 66/42, Quincy 57/29, Chester 52/25, Susanville 55/29, Grass Valley 59/37, Weaverville 61/31, Mt. Shasta 55/31, Yreka 58/31, Alturas 54/25

  
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. 

A low pressure trough and frontal system are now over California and moving eastward.  Heaviest precipitation this morning is north and east of the valley, and will be turning to showers later this morning.  The rest of the north state will see a few showers through the afternoon. 

Tuesday and Wednesday will be mostly sunny with near normal temperatures and light winds. 

Thursday the next low pressure area will reach the coast (see map below).  Rain will spread over the area Thursday turning to showers Friday as the system moves eastward.  Snow levels will start out at around 4000 feet north and higher south but will lower to 2000 to 3000 feet in the north Friday.

Saturday will be sunny with normal temperatures.  Sunday there will be a few clouds from a storm moving by to the north. Clear skies return Monday and Tuesday.

The Old Forecaster

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Saturday, March 13, 2021

Weather Discussion for Saturday March 13, 2021

Normal high/ low temperatures for March 8 -March 15  (high/low) Redding 66/42, Chico 65/41, Quincy 56/28, Chester 50/25, Susanville 53/29, Grass Valley 58/36, Weaverville 60/31, Mt. Shasta 54/29, Yreka 56/30, Alturas 52/24

  
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. 

Sunny again today with above normal temperatures...today will be the warmest day in the next week.  Clouds will begin to increase Sunday afternoon as a low pressure area approaches the coast.   This low will move across Northern California Sunday night and Monday.  Rain starts Sunday night and begins to decrease and turn to showers Monday afternoon.  Snow levels start out 3000 to 4000 feet and then lowers to 1500 to 2500 feet north and 3000 to 4000 feet south by Monday.  

Tuesday and Wednesday we will see partly to mostly sunny skies with near normal temperatures and relatively light winds.

Two low pressure troughs will move across the north state.  The first on Thursday and then another on Friday and Saturday.  Each of these systems will bring light precipitation to the area with snow levels near 5000 feet.  

There will be a break Saturday and then another storm system late Sunday and Monday.

The Old Forecaster

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Wednesday, March 10, 2021

Weather Discussion for Wednesday March 10, 2021

Normal high/ low temperatures for March 8 -March 15  (high/low) Redding 66/42, Chico 65/41, Quincy 56/28, Chester 50/25, Susanville 53/29, Grass Valley 58/36, Weaverville 60/31, Mt. Shasta 54/29, Yreka 56/30, Alturas 52/24

  
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 low pressure area shown off the coast on this morning's satellite picture (below) will continue moving southward along the coast and then move into Central and Southern California on Thursday. Today Northern California will be partly cloudy to cloudy with showers.  Snow levels will be 1000 to 2000 feet north and 2000 to 3000 feet south.  Thursday there will be a few showers over the areas east of the valley with partly sunny skies elsewhere.  

Friday and Saturday we will see mostly sunny skies with temperatures a few degrees above normal.  

Sunday another cold low pressure trough will move into Northern California (see map below).  This system will bring rain to our area Sunday  and early Monday.  Snow levels will 1500 to 2000 feet north and 3000 to 3500 feet south.  

Tuesday looks like a break and then a weak frontal system will bring a chance of more precipitation Wednesday.

The Old Forecaster

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Monday, March 8, 2021

Weather Discussion for Monday March 8, 2021

Normal high/ low temperatures for March 8 -March 15  (high/low) Redding 66/42, Chico 65/41, Quincy 56/28, Chester 50/25, Susanville 53/29, Grass Valley 58/36, Weaverville 60/31, Mt. Shasta 54/29, Yreka 56/30, Alturas 52/24

  
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 low pressure area off the coast (see satellite picture below) is dropping southeastward instead of southward, as forecast in Saturday's blog  The low will be off the Northern California coast Tuesday and Wednesday (see map below) and then move across Central and Southern California Thursday.  Today through Wednesday Northern California will see partly cloudy to cloudy skies with periods of rain or showers.  Snow levels today will be 2500 to 3500 feet lowering to lowering to 1500 to 2000 feet in the north and 2000 to 3000 feet south Tuesday and Wednesday.  

Skies clear out Thursday.  Friday and Saturday look sunny with above normal temperatures.  Sunday afternoon and early Monday another low pressure area will bring a chance of precipitation to the north state.

The Old Forecaster

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Saturday, March 6, 2021

Weather Discussion for Saturday March 6, 2021

Normal high/ low temperatures for March 1 -March 8  (high/low) Redding 63/41, Chico 64/40, Quincy 55/28, Chester 48/25, Susanville 52/29, Grass Valley 57/35, Weaverville 58/30, Mt. Shasta 51/29, Yreka 54/29, Alturas 50/24

  
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 frontal system that brought rain to the area during the night is now moving eastward.  Skies will be partly cloudy today with a few showers over the foothills and mountains.  Snow levels will be 3000 to 4000 feet north and a little higher south.  

The low pressure area currently in the Gulf of Alaska (see satellite picture below), is dropping southeastward and will be off the Northern California coast late Monday and early Tuesday (see map below).  This low will continue southward and move into Southern California late Wednesday.   Sunday starts off partly cloudy with isolated mountain showers and then a frontal system will move across the north state late Sunday and Monday.  This system will bring rain and showers to Northern California with snow levels 2000 to 3000 feet.  Tuesday and early Wednesday the low will push more showers over the north state.  Snow levels will remain 2000 to 3000 feet.

Skies will clear late Wednesday as high pressure redevelops along the coast.   Thursday through the weekend look mostly clear with temperatures back above normal by Friday.  Gusty north winds will occur Wednesday night through early Friday.

The Old Forecaster

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Wednesday, March 3, 2021

Weather Discussion for Wednesday March 3, 2021

 Normal high/ low temperatures for March 1 -March 8  (high/low) Redding 63/41, Chico 64/40, Quincy 55/28, Chester 48/25, Susanville 52/29, Grass Valley 57/35, Weaverville 58/30, Mt. Shasta 51/29, Yreka 54/29, Alturas 50/24

  
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 week.  Today and Thursday there will be partly sunny skies with clouds from the low pressure area moving across Southern California  spreading northward over our area.  Temperatures will continue above normal.  Winds will be light today with increasing south winds Thursday.

Friday a low pressure trough will be approaching the coast and will bring light precipitation to Northern California Friday night and early Saturday with showers continuing over the foothills and mountains through Saturday afternoon.  Snow levels will be 3500 to 4500 feet but will lower to 2500 to 3500 feet in the north Saturday afternoon.

Sunday night and Monday a colder low pressure area will move across the north state (see map below).  This system will bring rain to the area with snow levels 1500 to 2000 feet north and 3000 to 3500 feet south.  There will be a brief break early Tuesday and then another cold system will bring precipitation to the area Tuesday night and Wednesday.  Snow levels will be 1000 to 1500 feet north and near 3000 feet south.  Both these systems will be preceded by gusty south winds. 

The Old Forecaster

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Monday, March 1, 2021

Weather Discussion for Monday March 1, 2021

 Normal high/ low temperatures for March 1 -March 8  (high/low) Redding 63/41, Chico 64/40, Quincy 55/28, Chester 48/25, Susanville 52/29, Grass Valley 57/35, Weaverville 58/30, Mt. Shasta 51/29, Yreka 54/29, Alturas 50/24

  
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 frontal system approaching the coast is beginning to split apart.  The southern end will drop southward and then move across Southern California late Tuesday and Wednesday.  Northern California will be partly to mostly sunny through Thursday with a few clouds at times from the off shore low.  Temperatures will continue a few degrees above normal.  Light to moderate south winds will occur in the afternoons today and Thursday.  

Friday a low pressure trough and frontal system will be approaching the coast (see map below).  This system will bring light rain or showers to Northern California Friday night and early Saturday.  Snow levels will be 4000 to  5000 feet.  Saturday and Sunday skies will be partly to mostly clear.  Another weak frontal system will bring rain to the area Monday and Tuesday.

The Old Forecaster

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