Sunday, Sept 30, 2018

 

TODAY’S LATEST SATELLITE PICTURES:

 


TODAY’S FORECAST GRAPHICS:



TODAY’S WEATHER DISCUSSION AND FORECAST:


Today’s Forecast for Crestline, Twin Peaks, Lake Arrowhead and the San Bernardino Mountains.

Good Morning.
Today, other than an early morning 3.6 Earthquake, all eyes are on Rosa, and how it may affect the local area. Not to much change in the Trajectory from yesterday. We will still be on the left Front Quadrant where the least amount of rain will fall. Later today we should see an increase in Clouds at the upper levels 30k’ plus, as Rosa, now a CAT1 Hurricane weakens to a Tropical Storm. The remnants of Rosa will continue to weaken as it moves to the North East into Arizona and beyond. A Trough of Low pressure will follow just behind Rosa in SoCal bringing increased chances for rain through mid week to the SoCal region. Tomorrow we will have a pretty good chance for some measurable rain locally as the Mountain terrain will help in-train moisture into the local area. We will also continue to have gusty winds across the area as the remnants of Rosa move through. Gusty winds will last through midweek, turning to the NE around Thursday as the trough of Low pressure departs the area. PWAT levels are rising fast. Today we are at 1.32″. We are lacking in lift though, so Thunderstorm activity will be possible, but not to prominent. We will see a better chance later in the week when the cold Front comes through. It looks like this morning that we will have a chance for rain beginning tomorrow afternoon with increasing chances Tuesday and Wednesday. Rainfall amounts will vary, but we can expect to see from .50-1.50″ by Wednesday night if all goes well. The variance is due to the possibility of any Thunderstorm activity that may produce brief heavy downpours. As always check the NWS feed for updates and planning your activities. Have a good day today and enjoy the great Mountain weather.
RC

Yesterday’s High and Low temperatures were:
Crestline-73/60*, Twin Peaks-69/54*, Lake Arrowhead-72/58*, Running Springs-66/55*, Big Bear-71/55*, San Bernardino-90/62*.
Average local temps for today are: 46/71*. MIN-33*(1950) MAX-86*-(1980)

Thank you for joining me @ lakegregoryweather.com, or on Facebook @ Lake Gregory Weather Group, Rim Weather, or, San Bernardino Mountains.
On another note, there is a new source for local news that can be found at, mountainreporter.com
If you are interested in buying a rain gauge or any other weather instruments, click on the Ambient weather graphic toward the bottom of this page to access their website.
Forecast Temperatures for the next three days:


Crestline, Twin Peaks, Lake Arrowhead:


Running Springs:


Big Bear, Green Valley Lake:


San Bernardino:
Sun 85-92*/58-65*, Mon-85-91*/58-64*, Tues-79-85*/60-65*.
.


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