Quad cities always good for the hype train:
ONIGHT'S FORECAST HAS ALL THE FEEL OF A SEVERE CONVECTIVE FORECAST.
THERE IS A DANGER THAT SEEMS TO EXIST IN ALL VARIABLES I'M SEEING,
THOUGH NONE ARE STANDING OUT IN TRADITIONALLY OBVIOUS WAYS. THIS
MAKES THIS FORECAST PARTICULARLY CHALLENGING, AS IT'S REALLY THE
COMBINED EFFECT OF ALL VARIABLES THAT WE EXPECT TO CAUSE DANGEROUS
CONDITIONS. SNOW TOTALS TODAY, WHILE HIGHER THAN EARLIER FORECASTS,
REMAIN GENERALLY UNDER 6 INCHES. RAINS WILL FALL TODAY, WHICH WILL
INITIALLY SERVE TO LIMIT THE BLOWING SNOW THREAT FROM EXISTING SNOW,
BUT ONCE NEW SNOW FALLS, THAT "CRUST" COULD POTENTIALLY SERVE TO
HAVE A LOW FRICTION SURFACE FOR NEW SNOW TO BLOW OVER. THIS IS WELL
HANDLED BY OUR CURRENT HEADLINES, WITH A WINTER STORM WARNING NORTH
TO ADVISORY SOUTH, WHERE LESS SNOW IS EXPECTED AND SOMEWHAT LESS
WIND.
THIS ALL SAID, I AM CONCERNED THAT HEAVY SNOW MAY DEVELOP ALONG THE
FRONT THIS AFTERNOON, AND BE FOLLOWED BY A RAPID INCREASE TO 40 MPH
WINDS. THAT COULD FOR A SHORT DURATION TIP THE SCALE TOWARDS
BLIZZARD WARNING FOR A PERIOD THIS AFTERNOON AND EVENING. I WILL
TREAT THIS AS A CONVECTIVE THREAT, AND IF WE NEED TO UPGRADE AN AREA
OF THE CWA, WE CAN DO IT ONCE THE THREAT BECOMES MORE OBVIOUS. AT
THIS STAGE, THE DANGER IN OUR FORECAST, IS ALSO TAKEN WITH A NOTABLE
UNCERTAINTY OF SEVERITY.