IN SUMMARY
DURING SUMMER OVER INTERMOUTAIN REGION AND MOST OF THE WEST, QPF IS ALMOST IMPOSSIBLE BECAUSE
- THE MODELS DO A BAD JOB HANDLING THE MOISTURE
- THE SCALE OF EVENTS IS USUALLY SMALL
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DURING WINTER, THE SKILL OF QPF IS HIGHER OVER NORTHERN CA, WESTERN OR AND WESTERN WA THAN ANYWHERE ELSE IN THE COUNTRY
- BECAUSE THE FOCUS FOR MOST OF THE LIFTING IS STATIONARY (THE MOUNTAINS).
- HOWEVER TIMING WHICH 6 HOUR PERIOD WILL RECEIVE THE HEAVIEST RAINFALL IS STILL DIFFICULT.