Actually, it is going to warm up significantly towards the end of the week.
Yes, that's what I've been seeing on virtually every online weather service that I check daily (Intellicast, Weather Underground, Accuweather, Weather Channel, and local TV stations online).
Happ, I couldn't find any model showing the cold air making it further west than the Rockies. What weather source are you using?
Hi Jim,
The computer models have been struggling with the arctic airmass but it appears that it will come very close to California, especially southern California. Here's an excerpt from NWS_SD:
. . . A STRONG SHORTWAVE...CONNECTED TO THE BROAD DEEP TROUGH OVER E/CENTRAL CANADA/NE US...WILL MOVE SOUTH OVER THE INTERIOR WEST AND CUT OFF SOMEWHERE IN THE SW US. MODELS HAVE BEEN VERY DIVERGENT WITH SOLUTIONS...BUT MOST MODEL RUNS...INCLUDING THE 12Z/18Z NAM AND THE ECM HAS BEEN LEANING TOWARDS A VERY COLD CLOSED LOW OVER ARIZONA FOR WED. NAM AND LOCAL WRF HAVE 850 MB TEMPS AS LOW AS -11C\ 12.2F OVER THE HIGH DESERTS WITH A STRONG GRADIENT OVER THE MTN CRESTS AND TEMPS NEAR 0C\ 32F OVER THE COAST WED...BUT ECM LOOKS LIKE A BETTER SOLUTION WITH TEMPS AROUND -7C\ 19.4F OVER THE HIGH DESERTS. 12Z GFS IS STILL THE OUTLIER WITH THE UPPER LOW FURTHER NE AND TEMPS AT 850 MB AROUND -3C\ 26.6F IN THE UPPER DESERTS. SURFACE PRESSURE GRADIENTS COULD BE OVER 10 MB OFFSHORE FROM LAS VEGAS TO SAN DIEGO. THIS WOULD RESULT IN HIGH WINDS...WITH GUSTS OF POSSIBLY 80 MPH BELOW THE CAJON PASS OR IN THE SANTA ANA MTNS...THOUGH CONFIDENCE OF THIS IS STILL FAIRLY LOW. TEMPS WILL LIKELY BE QUITE LOW ON WED WITH 50S TO LOWER 60S AT LOWER ELEVATIONS AND POSSIBLY NOT EVEN 40F FOR HIGHS IN THE UPPER DESERTS. BELOW FREEZING TEMPS ARE LIKELY TO OCCUR IN WIND SHELTERED VALLEY LOCATIONS WED NIGHT...THOUGH WINDS ARE LIKELY TO CONTINUE THEN BELOW PASSES/CANYONS. SOME WARMING WILL OCCUR LATE IN THE WEEK AS THE STRONG RIDGE OVER THE E PAC BUILDS EAST...AND MOSTLY OFFSHORE FLOW SHOULD CONTINUE...THOUGH ANOTHER SOUTHWARD MOVING SHORTWAVE OVER THE INTERIOR WEST COULD ENHANCE THE OFFSHORE FLOW EARLY NEXT WEEK.
One night in the upper 30s is nothing. A walk in the park.