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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6
000
FNUS53 KDTX 200742
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
342 AM EDT Thu Jul 20 2017

.DISCUSSION...Weak low pressure will track along a front stalled over
southern Michigan today and then move east tonight. Thunderstorms
will be possible in the warm and humid air around this system. High
pressure will then temporarily develop over the region Friday. This
will bring a short break in storms while warm and humid conditions
continue. The next low pressure system is projected to approach the
region Friday night and bring another round of stormy weather for
much of the weekend.

MIZ047-048-053-060-061-201915-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
342 AM EDT Thu Jul 20 2017

.TODAY...
Sky/weather.........Partly cloudy (50-60 percent) until 8 am then
                    mostly cloudy (75-85 percent) until 4 pm then
                    partly cloudy (60-70 percent). Chance of showers
                    and thunderstorms after 6 am. Chance of
                    precipitation 40 percent.
Max temperature.....81-86.
   24 hr trend......Unchanged.
Min humidity........58-63 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming west 10 to 15
                    mph in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3850-4350 ft agl.
Transport winds.....South around 5 mph becoming southwest early in
                    the morning then becoming west in the late
                    morning and afternoon.
Smoke dispersal.....Good (590).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Min temperature.....60-65.
   24 hr trend......2 degrees cooler.
Max humidity........98 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Northwest 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.....Northwest 5 to 10 mph.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....81-86.
   24 hr trend......1 degree cooler.
Min humidity........46-51 percent.
   24 hr trend......12 percent drier.
20-foot winds.......North winds 5 to 10 mph becoming west early in
                    the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4220-4720 ft agl.
Transport winds.....Northwest around 5 mph becoming southwest early
                    in the afternoon.
Smoke dispersal.....Good (320).
Pcpn amount.........None.


$$

MIZ049-054-055-062-201915-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
342 AM EDT Thu Jul 20 2017

.TODAY...
Sky/weather.........Partly cloudy (45-55 percent) until 8 am then
                    mostly cloudy (70-80 percent). A slight chance
                    of showers and thunderstorms after 6 am until
                    8 am then chance of showers and thunderstorms
                    until 1 pm then a slight chance of showers
                    and thunderstorms until 5 pm. Chance of
                    precipitation 30 percent.
Max temperature.....79-84.
   24 hr trend......1 degree warmer.
Min humidity........60-70 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming west early in
                    the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4200-4700 ft agl.
Transport winds.....South 5 to 10 mph becoming west around 15 mph
                    in the late morning and afternoon.
Smoke dispersal.....Excellent (640).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....59-64.
   24 hr trend......1 degree cooler.
Max humidity........98 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Northwest winds 5 to 10 mph until early morning
                    becoming light and variable.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......180-380 ft agl.
Transport winds.....Northwest around 10 mph decreasing to around 5
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....78-83.
   24 hr trend......2 degrees cooler.
Min humidity........46-56 percent.
   24 hr trend......15 percent drier.
20-foot winds.......Northwest winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4080-4580 ft agl.
Transport winds.....Northwest around 5 mph becoming west early in
                    the afternoon.
Smoke dispersal.....Good (350).
Pcpn amount.........None.


$$

MIZ063-068>070-075-076-082-083-201915-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
342 AM EDT Thu Jul 20 2017

.TODAY...
Sky/weather.........Partly cloudy (50-60 percent) until 8 am then
                    mostly cloudy (70-80 percent) until 4 pm then
                    partly cloudy (65-75 percent). A slight chance
                    of showers and thunderstorms after 6 am until
                    8 am then chance of showers and thunderstorms
                    until 5 pm then a slight chance of showers
                    and thunderstorms. Chance of precipitation 40
                    percent.
Max temperature.....83-88.
   24 hr trend......2 degrees warmer.
Min humidity........61-69 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......South winds 5 to 10 mph becoming west 10 to 15
                    mph in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5280-5780 ft agl.
Transport winds.....South 5 to 10 mph becoming west around 20
                    mph in the late morning and afternoon.
Smoke dispersal.....Excellent (1660).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
                    of showers and thunderstorms until 2 am. Chance
                    of precipitation 30 percent.
Min temperature.....62-67.
   24 hr trend......5 degrees cooler.
Max humidity........94-99 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......120-320 ft agl.
Transport winds.....Northwest 10 to 15 mph becoming north around 5
                    mph after midnight.
Smoke dispersal.....Poor (0).
Pcpn amount.........0.01-0.05 in.

.FRIDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....82-87.
   24 hr trend......3 degrees cooler.
Min humidity........46-56 percent.
   24 hr trend......14 percent drier.
20-foot winds.......Northeast winds 5 to 10 mph becoming southwest
                    early in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5200-5700 ft agl.
Transport winds.....Northeast 5 to 10 mph becoming west early in
                    the afternoon.
Smoke dispersal.....Good (400).
Pcpn amount.........None.


$$


.FORECAST DAYS 3 THROUGH 7...

.SATURDAY...Showers likely and chance of thunderstorms. Lows in the
mid 60s. Highs in the lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows
in the upper 60s. Highs in the lower 80s. West winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 60s. Highs in the upper
70s. Northwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs around 80.

$$

DRK



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.