Mon May 20 14:58:33 EDT 2024

Presque Isle...Alpena...Alcona...Iosco and Arenac
Counties...including Eastern Huron NF-
258 PM EDT Mon May 20 2024

.TONIGHT...
Sky/Weather.........Mostly cloudy (80-90 percent). Numerous rain 
                    showers and isolated thunderstorms. 
Min Temperature.....57-62. 
   24 HR Trend......12 degrees warmer...except 6 degrees warmer 
                    near the coast. 
Max Humidity........94-99 percent. 
   24 HR Trend......11 percent wetter. 
20-Foot Winds.......South winds around 5 mph with occasional gusts 
                    up to 16 mph. 
Haines Index........2 or very low potential for large plume 
                    dominated fire growth. 
Vent Rate...........Poor (39). 
Mixing Height.......500 ft agl. 
Transport Winds.....South around 9 mph. 
Pcpn Amount......... 0.26- 0.66 in. 

.TUESDAY...
Sky/Weather.........Partly sunny (55-65 percent). Scattered rain 
                    showers and isolated thunderstorms. 
Max Temperature.....77-82...except 57-62 near the coast. 
   24 HR Trend......2 degrees cooler. 
Min Humidity........53-58 percent. 
   24 HR Trend......27 percent wetter. 
20-Foot Winds.......West winds around 5 mph shifting to the east in 
                    the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 
Vent Rate...........Fair (204). 
Mixing Height.......2800 ft agl. 
Transport Winds.....Northwest 6 to 9 mph. 
Pcpn Amount......... 0.04- 0.15 in. 

.TUESDAY NIGHT...
Sky/Weather.........Partly cloudy (35-45 percent) until 2400, then 
                    mostly cloudy (50-60 percent). Chance of rain 
                    showers. Chance of thunderstorms after 2400. 
Min Temperature.....58-63. 
   24 HR Trend......3 degrees cooler. 
Max Humidity........90-95 percent...except 81-86 percent along the 
                    coast. 
   24 HR Trend......5 percent drier...except unchanged along the 
                    coast. 
20-Foot Winds.......Southeast winds around 5 mph in the evening 
                    becoming light. Gusts up to 25 mph. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 
Vent Rate...........Poor (58). 
Mixing Height.......500 ft agl. 
Transport Winds.....Southeast 12 to 15 mph. 
Pcpn Amount......... 0.03- 0.27 in. 

.WEDNESDAY...
Sky/Weather.........Mostly sunny (35-45 percent). 
Max Temperature.....75-80...except around 70 near the coast. 
   24 HR Trend......Unchanged...except 8 degrees warmer near the 
                    coast. 
Min Humidity........34-39 percent. 
   24 HR Trend......15 percent drier. 
20-Foot Winds.......Light winds. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Vent Rate...........Excellent (1231). 
Mixing Height.......4400 ft agl. 
Transport Winds.....Southwest 21 to 27 mph. 
Pcpn Amount.........None to 0.03 in .