"GRADIENTS ARE FORECAST TO TURN ONSHORE AND BRING SOUTHERLY WIND TO MOST AREAS FRIDAY. WHEN THIS HAPPENS THE COLD AIR AT THE SURFACE SHOULD MIX OUT AND TEMPERATURES SHOULD GENERALLY RISE ABOVE FREEZING. LATER RUNS OF THE MODELS KEEP DELAYING THE ONSET OF THIS PROCESS AND NOW IT APPEARS IT MAY NOT HAPPEN UNTIL AT LEAST 15Z FRIDAY. ANY PRECIPITATION UNTIL THEN WILL LIKELY BE FROZEN OR FREEZING. TEMPERATURES ARE FORECAST TO RISE INTO THE MID 40S FRIDAY AFTERNOON."

National Weather Service - NWS Seattle

Just…argh. How vague is the wording in this discussion? It should not be allowed.