KCRP issues Area Forecast Matrices (AFM) valid 2024-06-01T02:03:00ZKCRP issues Area Forecast Matrices (AFM) valid 2024-06-01T02:03:00Z50% CCoverag) Obstructions to visibility (obvis) are classified as follows... F = Fog PF = Patchy fog F+ = Dense fog PF+ = Patchy dense fog H = Haze BS = Blowing snow BD = Blowing dust AF = Volcanic ash K = Smoke Additional extended forecast parameters are classified as follows... Pwind dir = Primary wind direction for each 12 hour period Wind char = Wind characteristic for each 12 hour period LT = Light (< 8 mph) GN = Gentle (8-14 mph) BZ = Breezy (15-22 mph) WY = Windy (23-30 mph) VW = Very windy (31-39 mph) SD = Strong (>40 mph) Avg clouds = Average cloud cover for each 12 hour period MM = Missing data If a hurricane is expected then the following applies... 0-24 hours before landfall...the actual wind speeds will be used. 25-60 hours before landfall...the code "HU" will be used for winds and "HG" for wind gusts. 61-120 hours before landfall...the code "HU" will only be used. $$ ]]>