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

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000
FNUS53 KDTX 211933
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
333 PM EDT Mon May 21 2018

.DISCUSSION...An influx of moisture/showers will continue to move
up from the southwest through the afternoon. Rain is then expected
to become more widespread during the course of the evening. Residual
clouds on Tuesday will likely keep daytime RH values relatively
high, with values in the 60 percent range. High pressure will expand
into the region by Wednesday, bringing warmer and drier conditions
to the area.

MIZ047-048-053-060-061-220800-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
333 PM EDT Mon May 21 2018

.REST OF THE AFTERNOON...
Sky/weather.........Cloudy (90-100 percent). Showers. Chance of
                    precipitation 80 percent.
Max temperature.....59-64.
   24 hr trend......5 degrees warmer.
Min humidity........29-39 percent.
   24 hr trend......28 percent drier.
20-foot winds.......East winds around 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......2640-3140 ft agl.
Transport winds.....Southeast around 15 mph.
Smoke dispersal.....Good (460).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Cloudy (90-100 percent). Showers until 5 am. A
                    slight chance of thunderstorms after 8 pm.
                    chance of showers after 5 am. Patchy fog after
                    8 pm. Chance of precipitation 80 percent.
Min temperature.....47-52.
   24 hr trend......11 degrees warmer.
Max humidity........90-100 percent.
   24 hr trend......9 percent drier.
20-foot winds.......East 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.......660-860 ft agl.
Transport winds.....East around 15 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.26-0.50 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Patchy fog until
                    8 am. Chance of showers and a slight chance of
                    thunderstorms until 8 am then a slight chance
                    of showers. Chance of precipitation 50 percent.
Max temperature.....59-64.
   24 hr trend......Unchanged.
Min humidity........60-70 percent.
   24 hr trend......27 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.......2600-3100 ft agl.
Transport winds.....Northeast 5 to 10 mph becoming north early in
                    the afternoon.
Smoke dispersal.....Fair (220).
Pcpn amount.........0.01-0.05 in.

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Chance of
                    precipitation 20 percent.
Min temperature.....46-51.
   24 hr trend......3 degrees cooler.
Max humidity........89-95 percent.
   24 hr trend......1 percent wetter.
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.......480-680 ft agl.
Transport winds.....North 5 to 10 mph becoming west after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.


$$

MIZ049-054-055-062-220800-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
333 PM EDT Mon May 21 2018

.REST OF THE AFTERNOON...
Sky/weather.........Cloudy (85-95 percent). Chance of showers until
                    5 pm then showers likely. Chance of
                    precipitation 80 percent.
Max temperature.....59-64.
   24 hr trend......6 degrees warmer.
Min humidity........35-45 percent.
   24 hr trend......26 percent drier.
20-foot winds.......Southeast winds around 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2310-2810 ft agl.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....Good (340).
Pcpn amount.........0.01-0.05 in.

.TONIGHT...
Sky/weather.........Cloudy (90-100 percent). Showers likely until
                    5 am. A slight chance of thunderstorms after
                    8 pm. Chance of showers after 5 am. Patchy fog
                    after 8 pm. Chance of precipitation 80 percent.
Min temperature.....45-50.
   24 hr trend......14 degrees warmer.
Max humidity........90-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......East winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......560-760 ft agl.
Transport winds.....East 10 to 15 mph becoming around 15 mph after
                    midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.26-0.50 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Patchy fog until
                    8 am. Chance of showers and a slight chance of
                    thunderstorms until 8 am then a slight chance
                    of showers until 2 pm. Chance of precipitation
                    60 percent.
Max temperature.....59-64.
   24 hr trend......2 degrees cooler.
Min humidity........57-67 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......Northeast winds 5 to 10 mph becoming north
                    early in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2450-2950 ft agl.
Transport winds.....Northeast 5 to 10 mph becoming north early in
                    the afternoon.
Smoke dispersal.....Fair (260).
Pcpn amount.........0.06-0.10 in.

.TUESDAY NIGHT...
Sky/weather.........Mostly clear (35-45 percent). Chance of
                    precipitation 20 percent.
Min temperature.....44-49.
   24 hr trend......4 degrees cooler.
Max humidity........88-96 percent.
   24 hr trend......4 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.......260-460 ft agl.
Transport winds.....North 5 to 10 mph becoming northwest after
                    midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.


$$

MIZ063-068>070-075-076-082-083-220800-
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 Mon May 21 2018

.REST OF THE AFTERNOON...
Sky/weather.........Cloudy (90-100 percent). Showers and a slight
                    chance of thunderstorms. Chance of
                    precipitation 80 percent.
Max temperature.....62-67.
   24 hr trend......2 degrees cooler.
Min humidity........27-37 percent.
   24 hr trend......27 percent drier.
20-foot winds.......East winds around 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2140-2640 ft agl.
Transport winds.....East around 15 mph.
Smoke dispersal.....Good (320).
Pcpn amount.........0.11-0.25 in.

.TONIGHT...
Sky/weather.........Cloudy (90-100 percent). Showers and chance of
                    thunderstorms. Patchy fog after 8 pm. Chance of
                    precipitation 80 percent.
Min temperature.....49-54.
   24 hr trend......4 degrees warmer.
Max humidity........92-100 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......East winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......560-760 ft agl.
Transport winds.....East 15 to 20 mph becoming northeast around 10
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.26-0.50 in.

.TUESDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Patchy fog until
                    8 am. Chance of thunderstorms until noon.
                    chance of showers. A slight chance of
                    thunderstorms after noon. Chance of
                    precipitation 60 percent.
Max temperature.....66-71.
   24 hr trend......3 degrees warmer.
Min humidity........60-70 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......North winds around 5 mph becoming northwest in
                    the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3680-4180 ft agl.
Transport winds.....Northeast around 5 mph becoming northwest in
                    the late morning and afternoon.
Smoke dispersal.....Excellent (840).
Pcpn amount.........0.06-0.10 in.

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of showers until 8 pm. Chance of precipitation
                    20 percent.
Min temperature.....48-53.
   24 hr trend......4 degrees cooler.
Max humidity........89-99 percent.
   24 hr trend......1 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.


$$


.FORECAST DAYS 3 THROUGH 7...

.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Northwest winds around 5 mph.
.THURSDAY...Mostly clear. A slight chance of showers. Lows in the
lower 50s. Highs in the lower 80s. Southwest winds around 5 mph.
.FRIDAY...Partly cloudy. Chance of showers. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the lower 60s. Highs in the lower 80s.
.SUNDAY...Partly cloudy. Chance of showers. Lows in the lower 60s.
Highs in the upper 70s.

$$

IRL


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