Wednesday, January 31, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
The Sub-Tropical High pressure will continue to be the dominant factor in the West Coast weather for the foreseeable future. Temperatures will also continue to be above normal with highs in the low to mid 60s along with overnight lows in the low 40s except the higher elevations that will see lows in the upper 20s to low 30s. Occasional high clouds will pass through to give the Sunsets and Sunrise’ some character. Winds will be light and variable through the period as well. For the Valley, San Bernardino will have daytime highs in the low to mid 80s for the next few days cooling off to the low to mid 50s at night. Saturday, the Lake Arrowhead Rotary will have their PolaRotary plunge at 10am. The weather will be unlike the winter weather we would expect for this time of year. 10am temperatues will be in the upper 50s to maybe even 60*. Enjoy!
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Tuesday, January 30, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
Not much going on with the weather these days, and it doesn’t look like it will change anytime soon. High clouds will pass through on and off over the next few days with alternating light winds from the North East to the South West. Temperatures will remain above normal through the weekend with daytime highs running in the low to mid 60s, and overnight lows in the upper 30s to mid 40s except Big Bear where overnight lows will run in the upper 20s to low 30s. Saturday at 10am, the Polar Bear plunge (PolaRotary) in Lake Arrowhead, sponsored by the Rotary will have possibly the best weather ever with warm air temperatures (upper 50s to low 60s) and mostly clear skies. All local Weather Warnings have expired as of last night. San Bernardino will be very warm for this time of year with highs expected to be in the low 80s for the next few days.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Monday, January 29, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
The gusty Santa Ana winds are still blowing strong across the area this morning. Waterman Canyon 18-36mph, CSUSB has winds from 38-59mph, Playground Drive W/ST 48-56mph, most areas away from the ridges and canyons are 5-15mph from the NE. Temperatures overnight were pretty mild with lows running in the low to mid 40s. Today, gusty NE winds will decrease by this afternoon and turn to the SW for Tuesday and Wednesday. Thursday NE winds will likely return as pressure rebuilds to our North. Temperatures will remain very mild with warmer than normal daytime highs through the week. A HIGH WIND WARNING will expire at 7pm tonight for all areas of SoCal.
High Temps today for Crestline and the Lake Arrowhead areas will be from 62-66* with overnight lows from 44-48*. Running Springs, Green Valley Lake, and Big Bear will have daytime highs from 57-63* and overnight lows from 29-38*. San Bernardino will have high temps from 79-83* with overnight lows from 52-56*. Clear skies with gusty winds for all areas this morning will be the forecast. The five day outlook is more of the same through the end of the week. On another note, if you are going to the Rotary PolaRotary jump into the lake on the 3rd of February, the weather will be good for that event! So enjoy jumping, or just watching those brave soles jump into the Lake.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Sunday, January 28, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
As expected, the Santa Ana Winds have picked up overnight. Today we should have gusty winds for most of the day. The RED FLAG fire alert will remain in effect through tomorrow at 4pm due to gusty winds, and expected low moisture levels. Temperatures will be warmer today and tomorrow with highs in the mountains from the low 50s in Big Bear, and Green Valley Lake, to the upper 50s to low 60s for Crestline, Arrowhead, and the Running Springs area. San Bernardino will have high temperatures today and for the first part of the work week in the upper 70s, to mid 80s by Tuesday.
Playground Drive, and Heaps Peak Weather Stations that are located on local Ridges around the area have winds from the NNE with gusts from 44-62mph. Waterman Canyon has NE winds from 10-30mph. Most of the other Weather Stations I use for my information report winds from 5-15mph. All areas report clear skies this morning with visibility to 10 miles. The local winds are a result of increased surface pressure between Tonopah and the San Diego area. The pressure gradient this morning is around 13mbs difference. The surface High over the Great Basin will move East tomorrow therefore the pressure gradient will relax allowing the winds will die out. Clear skies and warm temperatures are the forecast for the work week ahead. At this time, there is no rain in the five day outlook. Yesterday it looked like an inside slider would be in the ten day forecast but this mornings long range pushes that to the East instead of dropping south. This is depressing.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Saturday, January 27, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
While the surface pressure gradient from Tonopah to San Diego has increased overnight to around 6-7mbs, most of the strongest winds remain in the canyons and along the Ridges. All areas have a Northerly flow this morning from 5-10 mph. The North East (Santa Ana) winds will increase tonight through the day Sunday as surface pressure continues to build in the Great Basin. Monday things will settle down as a weak trough, or atmospheric wave, pushes through to our North, giving us a return to an onshore flow for a couple days. Wednesday, a sharp ridge of High pressure over the Pacific Ocean just West of SoCal, will bring a return of NE winds through the rest of the work week. Then, we just might just see a weather change in SoCal. As I mentioned in yesterday’s post, the ECMWF showed a weather system arriving here around the 4th of February. Today, the GFS shows an inside slider arriving here with rain, and or snow for the 4th, and 5th of February. Although this is beyond the five day outlook, it’s a much needed change and we can hope this comes to fruition. The good news is, the models are somewhat in alignment on this. So as always, I will be watching this closely.
For today, temperatures will be cool across the area as winds from the North East bring cool air with them. Highs today for the Crestline and Lake Arrowhead areas will run from 50-55* with overnight lows from 34-38*. Big Bear, Running Springs, Arrowbear, Green Valley lake, etc will see temperatures today from 48-54*, and overnight lows from 19-27*. San Bernardino will be warmer today with highs from 72-75* today, 78-83* tomorrow and Monday, overnight lows from 54-58*. Waterman Canyon this morning as well as Heaps Peak both have North East winds from 15-30mph. So if you are headed down the hill, expect windy conditions on the local roads through Monday. A RED FLAG FIRE WARNING will go into effect locally from 7pm tonight through 4pm Monday. So use caution with any outdoor BBQ’s and only use your fireplace if necessary.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Friday, January 26, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
Yesterday’s quick moving system passed through the area with a couple of light periods of drizzle, and lots of thick fog. No measureable rain or snow was reported across the area.
Today we will have clear skies across the area. High pressure will build in the Great Basin to about 1040mbs by Sunday/Monday. San Diego will have around a 1020mb surface pressure for the same time period. This will make for a 20mb offshore surface pressure gradient between the two locations. So for Sunday, expect to see increasing North East Winds across the local area. Monday looks like we will see the strongest winds locally. Wind gusts from 15-40mph are likely during that time period for all areas with much stronger gusts in the normal wind prone areas such as the local ridges, and canyons along the HWYS 18 and 330. As of this morning, it doesn’t look like we will see cold air advection from the Great Basin as usual from these events this time of year. So, Temperatures will be fairly normal for this time of year on the mountain. High temps will be from the mid 50s to low 60s through Monday for the Lake Arrowhead and Crestline areas with overnight lows from the upper 20s to mid 30s. Big Bear, Running Springs, Green Valley and the surrounding areas, will see daytime temps from the mid 40s to low 50s. Overnight lows will run from the teens, and 20s, for BB, and GVL, while RS will be a little warmer with lows from the mid 20s to low 30s. For the San Bernardino area, temperatures will be on the rise with highs today in the 70s and by Sunday reaching in to the low 80s through Monday.
So since we don’t have any weather on the Horizon, I decided to check out the ECMWF and GFS long range outlooks for SoCal this morning. Both models are in agreement that we will not see any precipitation through February 3rd. After that, the ECMWF long range outlook brings several storms through the area from the 4th to the 11th. The GFS shows clear skies through the 11th of February before we see any activity. So there you have it. If we do get started on a rainy period after the first week of February, we could easily reach a “Normal” rainfall year as far as total rainfall amounts. So we are not at a critical rainfall shortage yet. During the Winter of 1991, we had very little moisture until the beginning of March when we then had 22~ days of storms, mostly snow. In Twin Peaks that year I measured 120″ of snow during March, at my house.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Thursday, January 25, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
Today we will have a little variety in our days weather. A fast moving cold front will arrive here around 9-10am. This will bring an increase in clouds and some fog along the Rim below the ~6000′ level. Gusty South West to West winds from 5-15mph for most areas except along the ridges, the more wind prone areas will see winds from 15-40mph gusts. Temperatures today will be cooler with expected highs today 10-15* colder than yesterday’s. This will clear out by tonight leaving only cold air behind. As far as rain goes, there will be only a slight chance for a sprinkle today, most of what moisture we do get if any, will be from clouds and fog. Behind the departing front, High pressure will build into the area with North East winds expected for tomorrow. Temperatures will rebound slowly tomorrow but will be above normal for the weekend once again. In the San Bernardino area, weekend temperatures will be in the low 80s for Saturday through Monday.
Temperatures today for the Crestline and surrounding areas will be in the low to mid 40s. Overnight lows will be from 28-36*.
Big Bear, Running springs and Green Valley Lake will see high temperatures from 36-43* today with overnight lows from 18-26*.
San Bernardino will be in the upper 50s to low 60s today with overnight lows from 38-46* tonight.
On the long range outlook, A Ridge of High pressure will set up along the West Coast for the next week or so. No Rain is in the forecast window at this time for our area through the first week of February. So far this Winter has been a bust. I hope that we can get at least a few Spring Storms before it’s all over.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Wednesday, January 24, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
For today. Mostly clear skies with light and variable winds becoming SW later today. Temperatures will be warmer today with highs in the low to mid 50s expected across the mountains.
Overnight lows for the Crestline, and Lake Arrowhead areas will be chilly with temperatures running from 26-34*. Big Bear and Green Valley Lake will see overnight lows running from 19-25* and Running Springs will be in the mid 20s.
To our North, a trough of low pressure will bring higher elevation snow to the Sierras, with rain as far south as the Monterey Bay. As this system continues to move south toward SoCal, showers will be likely to the Santa Barbara area by tomorrow morning. This system will weaken rapidly south of Santa Barbara with only a slight chance for a shower for the local area. Tomorrow, we will see an increase in clouds, gusty winds, and possibly Ridge fog by the morning hours. Some local drizzle will be possible but there is very little chance for measureable rain from this system. Temperatures will be much cooler Thursday as the trough passes through the area. So there will be a chance for ICY roads in some areas, due to moisture gathered on the roads from fog and or tree rain. Temperatures for Thursday will range from the low 30s in some areas, to around 40* for the warmer locations. Overnight low temps for the Crestline and Lake Arrowhead areas tomorrow will run from 26-34* with 15-25* expected for the Big Bear, Running Springs and Green Valley Lake areas.
Friday, clearing skies and a warming trend will begin as high pressure rebuilds again. No rain is in the long range forecast at this time through the first week of February.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Tuesday, January 23, 2018

 

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Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
The Entire West Coast was under a Tsunami Warning after a 7.9 Earth Quake rattled Kodiak Alaska, early this morning. Strong Aftershocks from 4.0-5.6 continue to keep everyone on edge in that Region.** CANCELED!! QuakeFeed is a good app for your smart phone if you want to be advised on any Earth Quake activity, anywhere.
So for today, clear skies with gusty North East Winds developing across the area will be the forecast for today and Wednesday. High pressure over the Utah and Nevada areas around 1030-1038mbs will be our main weather maker for the next two days. Thursday, a weak trough of low pressure will slide South along the West Coast. Here, we will have a wind change to the South West beginning Wednesday evening and most of the day on Thursday. Temperatures will be warmer for Tuesday and Wednesday but cool significantly Thursday as the front passes through. As it looks this morning, the only effect from this system locally will be a wind change, cooler temperatures, and possible fog and low clouds. Any rain from this system is expected to stay North of Point Conception, near Santa Barbara. After this front passes, I don’t see any areas of Low pressure for the next ten or so days. A Ridge of High pressure will build off of the West Coast and remain the dominate weather feature for the West Coast through the first week of February, at least.
temperatures around the area today will be from the upper 40s to mid 50s. Crestline and Lake Arrowhead will have overnight lows from 35-40* while Big Bear, Green Valley Lake and Running Springs will be in the low 20s to low 30s. San Bernardino will have temps today in the low 70s and overnight lows around 46-50*.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC

Monday, January 22, 2018

 

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TODAY’S WEATHER DISCUSSION AND FORECAST:



Today’s Forecast for Crestline, Lake Arrowhead and the San Bernardino Mountains:
Good Morning.
Our cool weather will slowly begin to warm as High pressure builds over the Great Basin and over the Pacific Ocean through mid week. Tuesday and Wednesday will have temperatures in the 50s locally with a period of offshore flow. A weak system will move onshore to our North Thursday. This will bring a wind change and much cooler temperatures to the area with an increase in clouds and possibly Ridge fog. At this time, rain is not expected south of the Point Conception area of the California. The long range outlook still looks pretty bleak for SoCal. A Pacific Ridge of High pressure is expected to develop and last through at least the first week of February, and likely longer. So short of a March miracle, the Drought for SoCal will likely carry on.
Temperatures for the Lake Arrowhead and Crestline areas today will run from 46-52* with overnight lows from 28-36*. Running Springs, Green Valley Lake, and Big Bear will have highs today from 38-45* with overnight lows from 19-29*. San Bernardino will be cool today as well with highs expected to be from 65-70* and overnight from 44-49*. No fog or clouds is in todays forecast for the local areas, just some gusty NE winds in the wind prone areas.
That’s it for now, have a good day, and thanks for joining me @ lakegregoryweather.com
RC