Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI

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000
FNUS53 KDTX 180800
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
400 AM EDT Fri Aug 18 2017

.DISCUSSION...Dewpoints are steadily falling after peaking in the mid
70s on Thursday. Presently in the upper 60s, dewpoints will bottom
out near 60 tonight with afternoon RH falling to around 50 percent
this afternoon. Seasonable conditions will limit fire weather
concerns through the period.

MIZ047-048-053-060-061-181915-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
400 AM EDT Fri Aug 18 2017

.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). A slight chance
                    of showers after 6 am until 11 am. Chance of
                    precipitation 20 percent.
Max temperature.....72-77.
   24 hr trend......5 degrees cooler.
Min humidity........64-69 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West winds 15 to 20 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5200-5700 ft agl.
Transport winds.....West around 25 mph.
Smoke dispersal.....Excellent (1340).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 8 pm then
                    partly cloudy (55-65 percent). A slight chance
                    of showers after 1 am. Chance of precipitation
                    20 percent.
Min temperature.....56-61.
   24 hr trend......7 degrees cooler.
Max humidity........97 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....West around 20 mph decreasing to 5 to 10 mph in
                    the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.SATURDAY...
Sky/weather.........Partly cloudy (50-60 percent). A slight chance
                    of showers until 2 pm. Chance of thunderstorms
                    after 8 am until 2 pm. Chance of precipitation
                    30 percent.
Max temperature.....76-81.
   24 hr trend......3 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......13 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......8000-8500 ft agl.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....Excellent (1410).
Pcpn amount.........0.01-0.05 in.


$$

MIZ049-054-055-062-181915-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
400 AM EDT Fri Aug 18 2017

.TODAY...
Sky/weather.........Mostly cloudy (75-85 percent). A slight chance
                    of showers after 3 am until noon. Chance of
                    precipitation 20 percent.
Max temperature.....72-77.
   24 hr trend......3 degrees cooler.
Min humidity........65-72 percent.
   24 hr trend......10 percent drier.
20-foot winds.......West winds 10 to 15 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5100-5600 ft agl.
Transport winds.....Southwest 20 to 25 mph becoming west around 30
                    mph in the late morning and afternoon.
Smoke dispersal.....Excellent (1400).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 8 pm then
                    partly cloudy (55-65 percent).
Min temperature.....Around 60.
   24 hr trend......7 degrees cooler.
Max humidity........91-97 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West winds 10 to 15 mph diminishing to around 5
                    mph after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......180-380 ft agl.
Transport winds.....West around 25 mph decreasing to around 15 mph
                    in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.SATURDAY...
Sky/weather.........Partly cloudy (50-60 percent). A slight chance
                    of showers after 8 am. Chance of precipitation
                    30 percent.
Max temperature.....74-79.
   24 hr trend......2 degrees warmer.
Min humidity........53-63 percent.
   24 hr trend......13 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......7490-7990 ft agl.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....Excellent (1360).
Pcpn amount.........0.01-0.05 in.


$$

MIZ063-068>070-075-076-082-083-181915-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
400 AM EDT Fri Aug 18 2017

.TODAY...
Sky/weather.........Partly cloudy (65-75 percent) until 8 am then
                    mostly cloudy (65-75 percent) until 4 pm then
                    partly cloudy (60-70 percent). A slight chance
                    of until 10 am. Chance of precipitation 20
                    percent.
Max temperature.....74-79.
   24 hr trend......2 degrees cooler.
Min humidity........56-66 percent.
   24 hr trend......12 percent drier.
20-foot winds.......West winds 10 to 15 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5850-6350 ft agl.
Transport winds.....West 20 to 25 mph.
Smoke dispersal.....Excellent (1370).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent). A slight chance
                    of showers after midnight until 2 am then chance
                    of showers and thunderstorms. Chance of
                    precipitation 40 percent.
Min temperature.....58-63.
   24 hr trend......6 degrees cooler.
Max humidity........90-99 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......West winds around 15 mph diminishing to 5 to 10
                    mph in the late evening and overnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....West around 20 mph decreasing to around 10 mph
                    in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.SATURDAY...
Sky/weather.........Partly cloudy (60-70 percent). Chance of showers
                    and thunderstorms until 2 pm then a slight
                    chance of showers and thunderstorms. Chance of
                    precipitation 50 percent.
Max temperature.....76-81.
   24 hr trend......Unchanged.
Min humidity........48-58 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......7520-8020 ft agl.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....Excellent (1020).
Pcpn amount.........0.11-0.25 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.SUNDAY...Mostly clear. Lows around 60. Highs in the lower 80s. West
winds around 5 mph.
.MONDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
Southwest winds around 5 mph.
.TUESDAY...Showers and thunderstorms likely. Lows in the upper 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Showers and thunderstorms likely. Lows
around 60. Highs in the upper 70s.
.THURSDAY...Mostly clear. A slight chance of showers. Lows in the
mid 50s. Highs in the mid 70s.

$$

BT



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