Looking at the latest GFS models....looks like our nice weather will come to end late tomorrow as a weakening cold front slides in here for Mon morning with a cool 528m/ 540dm 500mb trough following behind the front for late Mon evening into early Tue with 850mb temps dropping down to between -3 and -5c. And with this cool trough sliding through and 500mb temps of about -33, -34c....it will certainly make for a coolish couple of days under westerly flow aloft and showers at times. WRF-GFS showing highs only in the mid 50`s for Mon/Tue. Paradise Mt.Rainier will likely pick up a bit more snow with this incoming short wave trough that is shown to slide through our region. Looks like a short break for early Wed as a short wave, but weak high pressure slides through. But alas, should see increasing clouds by mid-late day Wed as a decent cold front is already making it to the WA coast during this time. The cold front slides through for Thursday with rain looking to turn to showers for later Thurs with more showers Fri as a short wave trough/ 500mb vort max is forecasted to slide through on Fri. And for the upcoming weekend, GFS models still on track for Drying/warming starting Sat with ridging becoming more strongly in place over PNW and building in strength for later Sun into Monday/Tue of the following week with mild/warm weather possibly. So we`ll see what happens.
Saturday, May 9, 2009
Nice this weekend, but changes come later Sunday.
Looking at the latest GFS models....looks like our nice weather will come to end late tomorrow as a weakening cold front slides in here for Mon morning with a cool 528m/ 540dm 500mb trough following behind the front for late Mon evening into early Tue with 850mb temps dropping down to between -3 and -5c. And with this cool trough sliding through and 500mb temps of about -33, -34c....it will certainly make for a coolish couple of days under westerly flow aloft and showers at times. WRF-GFS showing highs only in the mid 50`s for Mon/Tue. Paradise Mt.Rainier will likely pick up a bit more snow with this incoming short wave trough that is shown to slide through our region. Looks like a short break for early Wed as a short wave, but weak high pressure slides through. But alas, should see increasing clouds by mid-late day Wed as a decent cold front is already making it to the WA coast during this time. The cold front slides through for Thursday with rain looking to turn to showers for later Thurs with more showers Fri as a short wave trough/ 500mb vort max is forecasted to slide through on Fri. And for the upcoming weekend, GFS models still on track for Drying/warming starting Sat with ridging becoming more strongly in place over PNW and building in strength for later Sun into Monday/Tue of the following week with mild/warm weather possibly. So we`ll see what happens.
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