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

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429
FNUS53 KDTX 221930
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
330 PM EDT Tue Aug 22 2017

.DISCUSSION...Isolated showers will be possible throughout the
late afternoon and early evening hours as dry, cool Canadian air
continues to filter into the Great Lakes. Another brief period of
light drizzle will be possible throughout the afternoon hours on
Wednesday, before high pressure acts to diminish rain chances
Thursday and into the weekend. Minimum RH values in the 40s to lower
50s are forecasted for Wednesday and Thursday, with extended dry
conditions dropping minimum RH values down into the lower 40s Friday
and into the weekend.

MIZ047-048-053-060-061-231215-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
330 PM EDT Tue Aug 22 2017

.TONIGHT...

Sky/weather.........Mostly clear (25-35 percent).
Min temperature.....51-56.
   24 hr trend......19 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......West winds 10 to 15 mph diminishing to around 5
                    mph after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....Northwest around 25 mph becoming west 5 to 10
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of. Chance of precipitation 20 percent.
Max temperature.....69-74.
   24 hr trend......5 degrees cooler.
Min humidity........47 percent.
   24 hr trend......16 percent drier.
20-foot winds.......West winds around 10 mph becoming northwest 15
                    to 20 mph in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......7350-7850 ft agl.
Transport winds.....West around 10 mph becoming northwest
                    around 20 mph in the late morning and
                    afternoon.
Smoke dispersal.....Excellent (1600).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (35-45 percent). Chance of
                    precipitation 20 percent.
Min temperature.....46-51.
   24 hr trend......6 degrees cooler.
Max humidity........94 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Northwest 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.....Northwest 10 to 15 mph decreasing to around 5
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of showers after 8 am. Chance of precipitation
                    30 percent.
Max temperature.....63-68.
   24 hr trend......7 degrees cooler.
Min humidity........53-60 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5400-5900 ft agl.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....Excellent (680).
Pcpn amount.........None.


$$

MIZ049-054-055-062-231215-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
330 PM EDT Tue Aug 22 2017

.TONIGHT...

Sky/weather.........Mostly clear (35-45 percent). A slight chance
                    of. Chance of precipitation 40 percent.
Min temperature.....51-56.
   24 hr trend......19 degrees cooler.
Max humidity........89-99 percent.
   24 hr trend......7 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.......100-300 ft agl.
Transport winds.....Northwest around 25 mph becoming west around 5
                    mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60 percent). A slight chance
                    of showers after 2 pm. Chance of precipitation
                    20 percent.
Max temperature.....Around 70.
   24 hr trend......7 degrees cooler.
Min humidity........48-57 percent.
   24 hr trend......16 percent drier.
20-foot winds.......West winds around 10 mph becoming northwest in
                    the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......6550-7050 ft agl.
Transport winds.....West around 15 mph becoming northwest
                    around 25 mph in the late morning and early
                    afternoon then decreasing to around 15 mph
                    early in the afternoon.
Smoke dispersal.....Excellent (1500).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 8 pm then
                    partly cloudy (40-50 percent). A slight chance
                    of showers until 8 pm. Chance of precipitation
                    20 percent.
Min temperature.....47-52.
   24 hr trend......4 degrees cooler.
Max humidity........89-98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......360-560 ft agl.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Partly cloudy (50-60 percent). Chance of showers
                    after 8 am. Chance of precipitation 40 percent.
Max temperature.....61-66.
   24 hr trend......6 degrees cooler.
Min humidity........60-70 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4990-5490 ft agl.
Transport winds.....Northwest 5 to 10 mph becoming north around 15
                    mph early in the afternoon.
Smoke dispersal.....Excellent (850).
Pcpn amount.........0.01-0.05 in.


$$

MIZ063-068>070-075-076-082-083-231215-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
330 PM EDT Tue Aug 22 2017

.TONIGHT...

Sky/weather.........Mostly clear (35-45 percent). Scattered showers
                    and chance of thunderstorms until 7 pm. Chance
                    of precipitation 60 percent.
Min temperature.....53-58.
   24 hr trend......17 degrees cooler.
Max humidity........89-99 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph becoming west
                    around 5 mph after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....Northwest around 30 mph becoming west 10 to 15
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60 percent). Chance of
                    precipitation 20 percent.
Max temperature.....71-76.
   24 hr trend......1 degree cooler.
Min humidity........42-51 percent.
   24 hr trend......19 percent drier.
20-foot winds.......West winds around 5 mph becoming northwest
                    15 to 20 mph in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......8220-8720 ft agl.
Transport winds.....West around 10 mph becoming northwest
                    around 20 mph in the late morning and
                    afternoon.
Smoke dispersal.....Excellent (1720).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 8 pm then
                    partly cloudy (40-50 percent). Chance of
                    precipitation 20 percent.
Min temperature.....47-52.
   24 hr trend......4 degrees cooler.
Max humidity........87-97 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......620-820 ft agl.
Transport winds.....North around 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of. Chance of showers after 2 pm. Chance of
                    precipitation 30 percent.
Max temperature.....64-69.
   24 hr trend......8 degrees cooler.
Min humidity........49-59 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......6510-7010 ft agl.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....Excellent (920).
Pcpn amount.........0.01-0.05 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.FRIDAY...Mostly clear. Chance of showers. Lows in the upper 40s.
Highs in the lower 70s. North winds around 5 mph.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Northeast winds around 5 mph.
.SUNDAY...Clear. Lows in the lower 50s. Highs in the mid 70s. East
winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 70s.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper
70s.

$$

SC



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