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

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855
FNUS53 KDTX 201921
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
321 PM EDT Fri Sep 20 2024

.DISCUSSION...Scattered light showers are possible this afternoon
and early tonight head of a cold front. Dry and warm conditions are
likely again Saturday with westerly winds and brief high pressure
influence.

MIZ047-048-053-060-061-211415-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
321 PM EDT Fri Sep 20 2024

.REST OF THE AFTERNOON...

Sky/weather.........Mostly cloudy (60-70 percent). Patchy fog until
                    11 am. Chance of showers after 11 am. Chance
                    of thunderstorms after 2 pm. Chance of
                    precipitation 40 percent.
Max temperature.....78-84.
   24 hr trend......1 degree warmer.
Min humidity........46-56 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......South 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4860-5360 ft agl.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....Excellent (738).
Pcpn amount.........0.01-0.05 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (60-70 percent) until 2 am, then
                    partly cloudy (50-60 percent). Chance of
                    showers and thunderstorms until 11 pm. Slight
                    chance of showers and thunderstorms after 11 pm
                    until 2 am. Areas of fog until 5 am. Chance of
                    precipitation 30 percent.
Min temperature.....58-62.
   24 hr trend......1 degree warmer.
Max humidity........95-100 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......South around 5 mph becoming west after
                    midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....Southwest around 5 mph becoming west after
                    midnight.
Smoke dispersal.....Poor (13).
Pcpn amount.........0.01-0.05 in.

.SATURDAY...
Sky/weather.........Partly cloudy (25-35 percent).
Max temperature.....78-84.
   24 hr trend......Unchanged.
Min humidity........41-51 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West 5 to 10 mph becoming northwest early in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4670-5170 ft agl.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....Good (460).
Pcpn amount.........None.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....56-60.
   24 hr trend......2 degrees cooler.
Max humidity........88-98 percent.
   24 hr trend......4 percent drier.
20-foot winds.......East around 5 mph early in the evening becoming
                    light, then becoming south around 5 mph after
                    midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......540-740 ft agl.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....Poor (8).
Pcpn amount.........None.


$$

MIZ049-054-055-062-211415-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
321 PM EDT Fri Sep 20 2024

.REST OF THE AFTERNOON...

Sky/weather.........Mostly cloudy (55-65 percent). Patchy fog until
                    11 am. Chance of showers after 11 am. Slight
                    chance of thunderstorms after 2 pm until 5 pm,
                    then chance of thunderstorms. Chance of
                    precipitation 30 percent.
Max temperature.....76-82.
   24 hr trend......Unchanged.
Min humidity........47-57 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......South 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4090-4590 ft agl.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....Good (522).
Pcpn amount.........None.

.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 2 am, then
                    partly cloudy (50-60 percent). Areas of fog
                    until 5 am. Chance of showers and thunderstorms
                    until 2 am. Slight chance of thunderstorms after
                    2 am until 5 am. Slight chance of showers after
                    2 am. Chance of precipitation 30 percent.
Min temperature.....Around 60.
   24 hr trend......3 degrees warmer.
Max humidity........93-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......South 5 to 10 mph becoming southwest after
                    midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....South around 10 mph becoming west after
                    midnight.
Smoke dispersal.....Poor (8).
Pcpn amount.........0.06-0.10 in.

.SATURDAY...
Sky/weather.........Partly cloudy (30-40 percent).
Max temperature.....76-82.
   24 hr trend......Unchanged.
Min humidity........48-58 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West 5 to 10 mph becoming north early in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4200-4700 ft agl.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....Good (375).
Pcpn amount.........None.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....56-60.
   24 hr trend......3 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......East around 5 mph early in the evening becoming
                    light, then becoming south around 5 mph after
                    midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......560-760 ft agl.
Transport winds.....Southeast around 5 mph becoming south after
                    midnight.
Smoke dispersal.....Poor (5).
Pcpn amount.........None.


$$

MIZ063-068>070-075-076-082-083-211415-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
321 PM EDT Fri Sep 20 2024

.REST OF THE AFTERNOON...

Sky/weather.........Partly cloudy (45-55 percent). Areas of fog
                    until 11 am. Chance of showers after 11 am.
                    Slight chance of thunderstorms after 5 pm.
                    Chance of precipitation 30 percent.
Max temperature.....82-86.
   24 hr trend......Unchanged.
Min humidity........40-50 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southeast 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5900-6400 ft agl.
Transport winds.....South 5 to 10 mph becoming around 10 mph early
                    in the afternoon.
Smoke dispersal.....Excellent (640).
Pcpn amount.........0.01-0.05 in.

.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) until 2 am, then
                    partly cloudy (50-60 percent). Areas of fog
                    until 5 am. Chance of showers and thunderstorms
                    until 11 pm. Slight chance of showers and
                    thunderstorms after 11 pm until 5 am. Chance of
                    precipitation 30 percent.
Min temperature.....58-64.
   24 hr trend......4 degrees warmer.
Max humidity........92-100 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southeast around 5 mph becoming south in the
                    late evening and early morning, then becoming
                    west after midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......740-940 ft agl.
Transport winds.....Southeast around 10 mph becoming northwest
                    after midnight.
Smoke dispersal.....Poor (10).
Pcpn amount.........0.01-0.05 in.

.SATURDAY...
Sky/weather.........Partly cloudy (30-40 percent).
Max temperature.....80-86.
   24 hr trend......3 degrees warmer.
Min humidity........39-49 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4720-5220 ft agl.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Good (501).
Pcpn amount.........None.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....56-62.
   24 hr trend......3 degrees cooler.
Max humidity........90-100 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Light winds becoming southeast up to 5 mph in
                    the late evening and overnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......480-680 ft agl.
Transport winds.....Northeast around 5 mph becoming southeast in
                    the late evening and overnight.
Smoke dispersal.....Poor (4).
Pcpn amount.........None.


$$


.FORECAST DAYS 3 THROUGH 7...

.SUNDAY...Cloudy with showers and slight chance of thunderstorms.
Lows in the upper 50s. Highs in the lower 80s. South winds around
5 mph.
.MONDAY...Not as warm. Cloudy with chance of showers. Lows in the
upper 50s. Highs in the lower 70s. North winds around 5 mph.
.TUESDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the lower 70s. Southwest winds around
5 mph.
.WEDNESDAY...Mostly cloudy. Lows in the mid 50s. Highs in the lower
70s.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s.

$$

CB