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

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858
FNUS53 KDTX 251924
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
324 PM EDT Wed Apr 25 2018

.DISCUSSION...High pressure will settle over Southeast Michigan
Thursday supporting light westerly wind under 10 mph that may be
variable at times. Clear skies will support good boundary layer
growth and afternoon RH values of 30 percent or lower. Redevelopment
of northwest flow will be accompanied by modest moisture return and
a chance for showers Friday and Friday night. Dry weather through
the weekend with a floor on low RH potential due to cool high
temperatures in the 50s. Aggressive warming trend early next week.

MIZ047-048-053-060-061-261215-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
324 PM EDT Wed Apr 25 2018

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....29-34.
   24 hr trend......12 degrees cooler.
Max humidity........88-98 percent.
   24 hr trend......2 percent drier.
20-foot winds.......North winds 5 to 10 mph becoming northwest
                    after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......200-400 ft agl.
Transport winds.....North around 15 mph becoming northwest around 5
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....54-59.
   24 hr trend......13 degrees warmer.
Min humidity........27-34 percent.
   24 hr trend......27 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4660-5160 ft agl.
Transport winds.....Northwest around 10 mph becoming west early in
                    the afternoon.
Smoke dispersal.....Excellent (660).
Pcpn amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Partly cloudy (35-45 percent). A slight chance
                    of showers after 2 am. Chance of precipitation
                    30 percent.
Min temperature.....36-41.
   24 hr trend......8 degrees warmer.
Max humidity........81-87 percent.
   24 hr trend......12 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.......180-380 ft agl.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.FRIDAY...
Sky/weather.........Partly cloudy (60-70 percent). A slight chance
                    of showers until 8 am then chance of showers
                    until 2 pm. Chance of precipitation 40 percent.
Max temperature.....50-55.
   24 hr trend......8 degrees cooler.
Min humidity........42-50 percent.
   24 hr trend......16 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.......4790-5290 ft agl.
Transport winds.....West 5 to 10 mph becoming northwest around 15
                    mph early in the afternoon.
Smoke dispersal.....Excellent (690).
Pcpn amount.........0.01-0.05 in.


$$

MIZ049-054-055-062-261215-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
324 PM EDT Wed Apr 25 2018

.TONIGHT...

Sky/weather.........Mostly clear (25-35 percent). Chance of rain
                    showers until 8 pm. Chance of precipitation 40
                    percent.
Min temperature.....29-34.
   24 hr trend......9 degrees cooler.
Max humidity........89-98 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......240-440 ft agl.
Transport winds.....North around 25 mph becoming northwest around 5
                    mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....55-60.
   24 hr trend......16 degrees warmer.
Min humidity........30-40 percent.
   24 hr trend......40 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4220-4720 ft agl.
Transport winds.....Northwest around 10 mph becoming west early in
                    the afternoon.
Smoke dispersal.....Good (480).
Pcpn amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (25-35 percent). Chance of
                    precipitation 20 percent.
Min temperature.....34-39.
   24 hr trend......5 degrees warmer.
Max humidity........83-91 percent.
   24 hr trend......9 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.......180-380 ft agl.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (55-65 percent). Chance of showers
                    after 8 am until 2 pm then a slight chance of
                    showers. Chance of precipitation 40 percent.
Max temperature.....49-54.
   24 hr trend......7 degrees cooler.
Min humidity........48-58 percent.
   24 hr trend......20 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.......4420-4920 ft agl.
Transport winds.....Southwest 5 to 10 mph becoming west around 15
                    mph early in the afternoon.
Smoke dispersal.....Excellent (710).
Pcpn amount.........0.01-0.05 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
324 PM EDT Wed Apr 25 2018

.TONIGHT...

Sky/weather.........Mostly clear (25-35 percent). Chance of
                    precipitation 30 percent.
Min temperature.....31-36.
   24 hr trend......12 degrees cooler.
Max humidity........88-98 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2200-2400 ft agl.
Transport winds.....North 15 to 20 mph becoming northwest around 10
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.THURSDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....57-62.
   24 hr trend......2 degrees warmer.
Min humidity........28-38 percent.
   24 hr trend......20 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4380-4880 ft agl.
Transport winds.....Northwest 5 to 10 mph becoming west early in
                    the afternoon.
Smoke dispersal.....Good (440).
Pcpn amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....36-41.
   24 hr trend......7 degrees warmer.
Max humidity........83-93 percent.
   24 hr trend......13 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.......100-300 ft agl.
Transport winds.....West around 5 mph becoming southwest in the
                    late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (50-60 percent). Chance of showers
                    after 8 am until 2 pm then a slight chance of
                    showers. Chance of precipitation 40 percent.
Max temperature.....54-59.
   24 hr trend......4 degrees cooler.
Min humidity........43-53 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5740-6240 ft agl.
Transport winds.....Southwest around 5 mph becoming west 15 to
                    20 mph in the late morning and afternoon.
Smoke dispersal.....Excellent (1410).
Pcpn amount.........0.01-0.05 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.SATURDAY...Partly cloudy. Chance of showers and a slight chance of
snow showers. Lows in the mid 30s. Highs in the lower 50s. Northwest
winds around 10 mph.
.SUNDAY...Clear. Lows in the lower 30s. Highs in the lower 50s.
Northwest winds around 10 mph.
.MONDAY...Clear. Lows in the upper 30s. Highs in the lower 60s.
Southwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s.
.WEDNESDAY...Partly cloudy. Chance of showers. Lows in the lower
50s. Highs in the lower 70s.

$$

AM



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