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

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FNUS53 KDTX 251951
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
351 PM EDT Tue Jul 25 2017

.DISCUSSION...High pressure will slowly migrate east tonight and Wednesday.
Minimum RH values will drop in the afternoons, into the mid to upper 40
percentage range during this period. An upper level low will begin
dropping through the Great Lakes region on Wednesday and will gain
enhancement from a surface cold front on Thursday. Showers and
thunderstorms will develop Wednesday afternoon through Thursday.

MIZ047-048-053-060-061-261215-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
351 PM EDT Tue Jul 25 2017

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....56-61.
   24 hr trend......9 degrees warmer.
Max humidity........95 percent.
   24 hr trend......2 percent drier.
20-foot winds.......South winds 5 to 10 mph.
Haines Index........5 or moderate 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.

.WEDNESDAY...
Sky/weather.........Partly cloudy (45-55 percent).
Max temperature.....81-86.
   24 hr trend......4 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming southwest
                    around 15 mph early in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3090-3590 ft agl.
Transport winds.....South around 5 mph becoming southwest
                    around 15 mph in the late morning and
                    afternoon.
Smoke dispersal.....Excellent (610).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (65-75 percent) until 8 pm then
                    mostly cloudy (70-80 percent). A slight chance
                    of showers and thunderstorms after 8 pm until
                    2 am then chance of showers and
                    thunderstorms. Chance of precipitation 40
                    percent.
Min temperature.....65-70.
   24 hr trend......10 degrees warmer.
Max humidity........94-99 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......220-420 ft agl.
Transport winds.....Southwest around 15 mph decreasing to around 5
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.06-0.10 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms. Chance of
                    precipitation 50 percent.
Max temperature.....75-80.
   24 hr trend......5 degrees cooler.
Min humidity........59-68 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Northwest winds around 5 mph becoming northeast
                    in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5580-6080 ft agl.
Transport winds.....South around 5 mph becoming southeast in the
                    late morning and early afternoon then
                    becoming northeast around 15 mph early in
                    the afternoon.
Smoke dispersal.....Good (580).
Pcpn amount.........0.11-0.25 in.


$$

MIZ049-054-055-062-261215-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
351 PM EDT Tue Jul 25 2017

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....54-59.
   24 hr trend......6 degrees warmer.
Max humidity........92-98 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southeast winds 5 to 10 mph becoming south
                    after midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......100-300 ft agl.
Transport winds.....Southeast around 5 mph becoming south after
                    midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60 percent). Chance of
                    precipitation 20 percent.
Max temperature.....80-85.
   24 hr trend......9 degrees warmer.
Min humidity........47-57 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming southwest
                    around 15 mph early in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3130-3630 ft agl.
Transport winds.....South around 5 mph becoming southwest 15
                    to 20 mph in the late morning and afternoon.
Smoke dispersal.....Excellent (610).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (65-75 percent). A slight chance
                    of showers and thunderstorms after 8 pm until
                    2 am then chance of showers and
                    thunderstorms. Chance of precipitation 40
                    percent.
Min temperature.....64-69.
   24 hr trend......11 degrees warmer.
Max humidity........97 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......220-420 ft agl.
Transport winds.....Southwest around 20 mph decreasing to around 5
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.THURSDAY...
Sky/weather.........Partly cloudy (65-75 percent). Chance of showers
                    and thunderstorms. Chance of precipitation 40
                    percent.
Max temperature.....73-78.
   24 hr trend......7 degrees cooler.
Min humidity........67-76 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Northwest winds around 5 mph becoming northeast
                    in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5350-5850 ft agl.
Transport winds.....West around 5 mph becoming east in the late
                    morning and early afternoon then becoming
                    northeast early in the afternoon.
Smoke dispersal.....Good (490).
Pcpn amount.........0.11-0.25 in.


$$

MIZ063-068>070-075-076-082-083-261215-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
351 PM EDT Tue Jul 25 2017

.TONIGHT...

Sky/weather.........Clear (10-20 percent).
Min temperature.....55-60.
   24 hr trend......7 degrees warmer.
Max humidity........88-98 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southeast winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......140-340 ft agl.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.WEDNESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....82-87.
   24 hr trend......5 degrees warmer.
Min humidity........44-53 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Light winds becoming southwest 10 to 15 mph in
                    the late morning and afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3350-3850 ft agl.
Transport winds.....Southeast around 5 mph becoming south in the
                    late morning and afternoon.
Smoke dispersal.....Good (500).
Pcpn amount.........None.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (55-65 percent) until midnight then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms after 2 am. Chance of
                    precipitation 40 percent.
Min temperature.....65-70.
   24 hr trend......11 degrees warmer.
Max humidity........88-97 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......300-500 ft agl.
Transport winds.....Southwest 10 to 15 mph decreasing to around 5
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms. Chance of
                    precipitation 60 percent.
Max temperature.....Around 80.
   24 hr trend......5 degrees cooler.
Min humidity........64-73 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......Southwest winds around 5 mph becoming east in
                    the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3770-4270 ft agl.
Transport winds.....Southwest around 10 mph becoming southeast
                    early in the afternoon.
Smoke dispersal.....Good (460).
Pcpn amount.........0.26-0.50 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the lower 60s. Highs in the mid 70s. Northeast winds around
10 mph.
.SATURDAY...Clear. Lows in the mid 50s. Highs in the upper 70s.
North winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 50s. Highs around 80. North winds
around 5 mph.
.MONDAY...Mostly clear. A slight chance of showers. Lows in the
lower 60s. Highs in the lower 80s.
.TUESDAY...Partly cloudy. A slight chance of showers. Lows in the
lower 60s. Highs in the upper 70s.

$$

SF



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