Winter Storm Warning criteria is variable across the state, and now incorporates impact and vulnerability with regard to winter weather.
[WHAT] Winter weather conditions, including accumulating snow, mixed sleet and snow, and some freezing rain is forecast over most of the state Tuesday through Wednesday, and will likely result in travel impacts across the state Tuesday through Wednesday.
[WHEN] Winter precipitation is expected to expand in coverage over the state from west to east Tuesday morning (February 18), and persist through Wednesday morning (February 19).
[WHERE] Accumulating snowfall is expected across the northern third of the state, with a transition zone of mixed precipitation and freezing rain more likely through the event over the southern two-thirds of the state.
[ADDITIONAL INFO] Portions of the Winter Storm Watch have been upgraded to a Warning as of Monday morning, highlighting where forecast confidence is highest for impactful snowfall. Changes to the watch area and forecast snowfall amounts are still possible.
Winter Weather Advisories should also be expected where lesser snow amounts and higher ice accruals are forecast.
Hazardous cold is forecast through the latter half of this week, with single digit to negative morning wind chill values possible Wednesday through Friday mornings. Cold Weather Advisories will likely be needed by Wednesday morning.