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

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687
FNUS53 KDTX 271933
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
333 PM EDT Thu Apr 27 2017

.DISCUSSION...Low pressure will drag a cold front through the area
this afternoon, bringing a chance of showers and thunderstorms. This
increased moisture will hold afternoon RH values in the 50s. Gusty
south winds will shift to southwest during the afternoon as gusts
reach up to 45 mph at times. High pressure will bring calmer
conditions on Friday with min RH values near 50 percent and moderate
southwest winds shifting to south in the afternoon.

MIZ047-048-053-060-061-281230-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
333 PM EDT Thu Apr 27 2017

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    sprinkles after 9 pm.
Min temperature.....40-45.
   24 hr trend......19 degrees cooler.
Max humidity........84 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph diminishing to
                    around 10 mph after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1090-1290 ft agl.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....Poor (70).
Pcpn amount.........0.01-0.05 in.

.FRIDAY...
Sky/weather.........Partly cloudy (65-75 percent). A slight chance
                    of. Chance of precipitation 30 percent.
Max temperature.....60-65.
   24 hr trend......7 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5550-6050 ft agl.
Transport winds.....Southwest around 25 mph.
Smoke dispersal.....Excellent (1180).
Pcpn amount.........0.01-0.05 in.

.FRIDAY NIGHT...
Sky/weather.........Cloudy (85-95 percent). A slight chance of
                    showers until 8 pm then showers likely until
                    2 am then chance of showers. Chance of
                    precipitation 60 percent.
Min temperature.....40-45.
   24 hr trend......1 degree warmer.
Max humidity........86 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Southwest winds around 5 mph becoming southeast
                    in the late evening and early morning then
                    becoming northeast after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......550-750 ft agl.
Transport winds.....Southwest around 15 mph becoming south in the
                    late evening and early morning then becoming
                    northeast after midnight.
Smoke dispersal.....Poor (10).
Pcpn amount.........0.11-0.25 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    showers until 8 am then a slight chance of
                    showers until 2 pm then chance of showers.
                    Chance of precipitation 50 percent.
Max temperature.....49-54.
   24 hr trend......12 degrees cooler.
Min humidity........51-60 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......Northeast winds 10 to 15 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1730-2230 ft agl.
Transport winds.....Northeast around 25 mph decreasing to around 15
                    mph in the late morning and afternoon.
Smoke dispersal.....Good (430).
Pcpn amount.........0.06-0.10 in.


$$

MIZ049-054-055-062-281230-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
333 PM EDT Thu Apr 27 2017

.TONIGHT...

Sky/weather.........Partly cloudy (55-65 percent) until 8 pm then
                    mostly cloudy (70-80 percent) until 4 am then
                    partly cloudy (65-75 percent). Chance of
                    sprinkles after 9 pm. Chance of precipitation
                    20 percent.
Min temperature.....40-45.
   24 hr trend......17 degrees cooler.
Max humidity........84 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 15 to 20 mph diminishing to
                    around 10 mph after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......950-1150 ft agl.
Transport winds.....Southwest 30 to 35 mph decreasing to around 25
                    mph after midnight.
Smoke dispersal.....Poor (50).
Pcpn amount.........0.01-0.05 in.

.FRIDAY...
Sky/weather.........Partly cloudy (60-70 percent). A slight chance
                    of. Chance of precipitation 20 percent.
Max temperature.....59-64.
   24 hr trend......9 degrees cooler.
Min humidity........47-57 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4980-5480 ft agl.
Transport winds.....Southwest around 25 mph.
Smoke dispersal.....Excellent (1130).
Pcpn amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). A slight chance
                    of showers until 8 pm then chance of showers.
                    Chance of precipitation 50 percent.
Min temperature.....38-43.
   24 hr trend......Unchanged.
Max humidity........88 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......South winds around 10 mph diminishing to around
                    5 mph in the late evening and early
                    morning then becoming north after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....Southwest 10 to 15 mph becoming north around 20
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.06-0.10 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers until 8 am. A slight chance of after
                    8 am until 3 pm then a slight chance of
                    showers. Chance of precipitation 50 percent.
Max temperature.....46-51.
   24 hr trend......14 degrees cooler.
Min humidity........56-66 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......North winds 10 to 15 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1470-1970 ft agl.
Transport winds.....Northeast around 25 mph decreasing to around 15
                    mph in the late morning and afternoon.
Smoke dispersal.....Good (420).
Pcpn amount.........0.01-0.05 in.


$$

MIZ063-068>070-075-076-082-083-281230-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
333 PM EDT Thu Apr 27 2017

.TONIGHT...

Sky/weather.........Partly cloudy (60-70 percent) until 8 pm then
                    mostly cloudy (70-80 percent) until 2 am then
                    partly cloudy (65-75 percent). Chance of
                    precipitation 20 percent.
Min temperature.....41-46.
   24 hr trend......18 degrees cooler.
Max humidity........78-86 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......West winds 15 to 20 mph diminishing to around
                    10 mph after midnight.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2700-2900 ft agl.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....Poor (10).
Pcpn amount.........0.01-0.05 in.

.FRIDAY...
Sky/weather.........Mostly cloudy (75-85 percent). A slight chance
                    of. Chance of precipitation 30 percent.
Max temperature.....62-67.
   24 hr trend......8 degrees cooler.
Min humidity........47-54 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5080-5580 ft agl.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....Excellent (1090).
Pcpn amount.........0.01-0.05 in.

.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (85-95 percent). A slight chance
                    of showers until 8 pm then showers likely
                    until 2 am then chance of showers. Chance of
                    precipitation 60 percent.
Min temperature.....45-50.
   24 hr trend......8 degrees warmer.
Max humidity........88-96 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming east after
                    midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......760-960 ft agl.
Transport winds.....South 10 to 15 mph becoming east after
                    midnight.
Smoke dispersal.....Poor (30).
Pcpn amount.........0.26-0.50 in.

.SATURDAY...
Sky/weather.........Cloudy (85-95 percent). Chance of showers.
                    Chance of precipitation 70 percent.
Max temperature.....51-56.
   24 hr trend......11 degrees cooler.
Min humidity........59-69 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Northeast winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1140-1640 ft agl.
Transport winds.....Northeast around 20 mph.
Smoke dispersal.....Good (390).
Pcpn amount.........0.11-0.25 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.SUNDAY...Showers and chance of thunderstorms. Lows in the lower
40s. Highs in the upper 50s. East winds around 10 mph.
.MONDAY...Showers and chance of thunderstorms. Lows in the lower
50s. Highs in the mid 60s. South winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 50s. Southwest winds around
15 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
50s.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper 30s.
Highs in the upper 50s.

$$

SF



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