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

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000
FNUS53 KDTX 201941
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
340 PM EDT Sun Aug 20 2017

.DISCUSSION...High pressure to the east of the region will sustain
dry conditions through the rest of the day. Humidity levels will
then gradually increase Monday into Tuesday as low pressure and an
associated front moves into the northern Great Lakes. This front
will be forced across Southeast Michigan late Tuesday as a cold
front, bringing much cooler and drier conditions to the area by
midweek.

MIZ047-048-053-060-061-211200-Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 340 PM
EDT Sun Aug 20 2017

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent). Patchy fog after
                    3 am. A slight chance of showers and
                    thunderstorms after 3 am. Chance of
                    precipitation 20 percent.
Min temperature.....62-67.
   24 hr trend......7 degrees warmer.
Max humidity........92 percent.
   24 hr trend......6 percent drier.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....South around 5 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.MONDAY...
Sky/weather.........Partly cloudy (55-65 percent). Patchy fog until
                    9 am. A slight chance of showers and
                    thunderstorms until 2 pm. Chance of showers and
                    thunderstorms after 2 pm. Chance of
                    precipitation 40 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees warmer.
Min humidity........53-62 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6160-6660 ft agl.
Transport winds.....South around 5 mph becoming southwest
                    around 15 mph in the late morning and
                    afternoon.
Smoke dispersal.....Excellent (1260).
Pcpn amount.........0.11-0.25 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until midnight then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms until 2 am then
                    showers and thunderstorms likely. Chance of
                    precipitation 70 percent.
Min temperature.....66-71.
   24 hr trend......5 degrees warmer.
Max humidity........92-97 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......180-380 ft agl.
Transport winds.....Southwest 5 to 10 mph becoming south around 15
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.26-0.50 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers with
                    thunderstorms likely until 2 pm then chance
                    of showers and thunderstorms. Chance of
                    precipitation 80 percent.
Max temperature.....75-80.
   24 hr trend......8 degrees cooler.
Min humidity........62-69 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph becoming west
                    early in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4960-5460 ft agl.
Transport winds.....South around 10 mph becoming southwest
                    around 30 mph in the late morning and early
                    afternoon then becoming northwest around 20
                    mph early in the afternoon.
Smoke dispersal.....Excellent (1100).
Pcpn amount.........0.51-0.75 in.


$$

MIZ049-054-055-062-211200-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
340 PM EDT Sun Aug 20 2017

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent). Patchy fog after
                    3 am. Chance of precipitation 20 percent.
Min temperature.....62-67.
   24 hr trend......7 degrees warmer.
Max humidity........92 percent.
   24 hr trend......3 percent drier.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....South around 5 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.MONDAY...
Sky/weather.........Partly cloudy (55-65 percent). Patchy fog until
                    9 am. Chance of showers and thunderstorms after
                    2 pm. Chance of precipitation 50 percent.
Max temperature.....80-85.
   24 hr trend......2 degrees warmer.
Min humidity........54-64 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6050-6550 ft agl.
Transport winds.....Southwest 5 to 10 mph increasing to around 15
                    mph early in the afternoon.
Smoke dispersal.....Excellent (1110).
Pcpn amount.........0.01-0.05 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until midnight then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms until 2 am then
                    showers and thunderstorms likely. Chance of
                    precipitation 70 percent.
Min temperature.....66-71.
   24 hr trend......4 degrees warmer.
Max humidity........94 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....South 5 to 10 mph becoming west after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.51-0.75 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers with
                    thunderstorms likely. Chance of precipitation
                    80 percent.
Max temperature.....74-79.
   24 hr trend......8 degrees cooler.
Min humidity........69-75 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph becoming west early
                    in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4360-4860 ft agl.
Transport winds.....Southwest around 15 mph increasing to around 30
                    mph in the late morning and early
                    afternoon then becoming west early in the
                    afternoon.
Smoke dispersal.....Excellent (1000).
Pcpn amount.........0.51-0.75 in.


$$

MIZ063-068>070-075-076-082-083-211200-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
340 PM EDT Sun Aug 20 2017

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of. Patchy fog after 3 am. A slight chance of.
                    Chance of precipitation 20 percent.
Min temperature.....63-68.
   24 hr trend......10 degrees warmer.
Max humidity........91-96 percent.
   24 hr trend......5 percent drier.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.MONDAY...
Sky/weather.........Partly cloudy (50-60 percent). Patchy fog until
                    9 am. A slight chance of showers and
                    thunderstorms until 2 pm. Chance of showers and
                    thunderstorms after 2 pm. Chance of
                    precipitation 50 percent.
Max temperature.....84-89.
   24 hr trend......3 degrees warmer.
Min humidity........49-59 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......7430-7930 ft agl.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Excellent (1020).
Pcpn amount.........0.01-0.05 in.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 2 am then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms. Chance of
                    precipitation 60 percent.
Min temperature.....Around 71.
   24 hr trend......4 degrees warmer.
Max humidity........88-96 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.11-0.25 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (85-95 percent). Chance of
                    showers and thunderstorms until 8 am then
                    showers and thunderstorms likely. Chance of
                    precipitation 80 percent.
Max temperature.....Around 80.
   24 hr trend......7 degrees cooler.
Min humidity........64-72 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......West winds 10 to 15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4300-4800 ft agl.
Transport winds.....Southwest around 15 mph becoming west
                    around 25 mph in the late morning and
                    afternoon.
Smoke dispersal.....Excellent (1270).
Pcpn amount.........0.51-0.75 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.WEDNESDAY...Mostly clear. Showers and thunderstorms likely. Lows in
the mid 50s. Highs in the mid 70s. Northwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
70s. North winds around 5 mph.
.FRIDAY...Clear. Lows around 50. Highs in the lower 70s. Northeast
winds around 5 mph.
.SATURDAY...Clear. Lows in the lower 50s. Highs in the mid 70s.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 70s.

$$

MANN


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