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

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035
FNUS53 KGRR 231932
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
332 PM EDT Wed Aug 23 2017

...Cool and dry...

.DISCUSSION...A large Canadian Polar high pressure will bring the coolest air
we have seen in Southwest Michigan since early June.  Frost is not out of the
question in the cooler locations of Clare and Osceola Counties tomorrow morning
and Friday Morning.

MIZ037>039-043>045-240830-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
332 PM EDT Wed Aug 23 2017

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Patchy fog after
                    0200.
Min temperature.....40-45.
   24 hr trend......12 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 6 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 5000-5500 ft AGL.
Mixing height....... inland, 4600-5100 ft AGL decreasing to
                    2000-2500 ft AGL overnight.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....700 (excellent) decreasing to 200 (fair)
                    overnight.
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Mostly sunny (45-55 percent). Areas of fog
                    until 0900, then patchy fog until 1000.
Max temperature.....65-70.
   24 hr trend......2 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......5 percent drier.
20-foot winds.......North winds 6 to 11 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5500-6000 ft AGL near Lake Michigan and
                    6400-6900 ft AGL inland.
Transport winds.....North around 10 mph.
Smoke dispersal.....800-900 (excellent).
Pcpn Amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent). Patchy fog after
                    0700.
Min temperature.....36-41.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 5 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5300-5800 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....200-600 (fair to excellent).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....68-73.
   24 hr trend......4 degrees warmer.
Min humidity........44-49 percent near Lake Michigan and 35-40
                    percent Inland.
   24 hr trend......11 percent drier near Lake Michigan and 10
                    percent drier Inland.
20-foot winds.......Light winds becoming northwest around 5 mph in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4800-5300 ft AGL near Lake Michigan and
                    5800-6300 ft AGL inland.
Transport winds.....North around 5 mph.
Smoke dispersal.....300-400 (good).
Pcpn Amount.........None.


$$

MIZ040-046-240830-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
332 PM EDT Wed Aug 23 2017

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....41-46.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 7 mph in the evening
                    becoming light.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4800-5300 ft AGL decreasing to 1100-1600 ft AGL
                    overnight.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....700 (excellent) decreasing to 100 (poor)
                    overnight.
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Partly sunny (55-65 percent). Patchy fog until
                    0900.
Max temperature.....Around 67.
   24 hr trend......4 degrees cooler.
Min humidity........47-52 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6600-7100 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....900 (excellent).
Pcpn Amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent) until 0600, then
                    clear (0-10 percent).
Min temperature.....36-41.
   24 hr trend......2 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4800-5300 ft AGL.
Transport winds.....North around 5 mph.
Smoke dispersal.....200-500 (fair to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 71.
   24 hr trend......4 degrees warmer.
Min humidity........34-39 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Northwest winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......6200-6700 ft AGL.
Transport winds.....Northwest 0 to 5 mph.
Smoke dispersal.....100-300 (poor to good).
Pcpn Amount.........None.


$$

MIZ050-056-064-071-240830-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
332 PM EDT Wed Aug 23 2017

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Patchy fog after
                    0600.
Min temperature.....46-51.
   24 hr trend......7 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 6 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 3900-4400 ft AGL.
Mixing height....... inland, 4600-5100 ft AGL decreasing to 100-600
                    ft AGL overnight.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....600 (excellent) decreasing to 100 (poor)
                    overnight.
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Partly sunny (50-60 percent) until 1700, then
                    sunny (15-25 percent). Patchy fog until 0900.
Max temperature.....Around 68.
   24 hr trend......5 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming northwest around 9 mph in
                    the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5800-6300 ft AGL near Lake Michigan and
                    7000-7500 ft AGL inland.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....700-1000 (excellent).
Pcpn Amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....43-48.
   24 hr trend......3 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 5 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 5000-5500 ft AGL decreasing
                    to 1900-2400 ft AGL overnight.
Mixing height....... inland, 5200-5700 ft AGL decreasing to 0-300
                    ft AGL overnight.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....500 (good) decreasing to 0 (poor) overnight.
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 71.
   24 hr trend......3 degrees warmer.
Min humidity........38-43 percent.
   24 hr trend......3 percent drier.
20-foot winds.......North winds 5 to 7 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6000-6500 ft AGL.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....300-400 (good).
Pcpn Amount.........None.


$$

MIZ051-052-057>059-240830-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
332 PM EDT Wed Aug 23 2017

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Patchy fog after
                    0700.
Min temperature.....43-48.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 7 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5600-6100 ft AGL decreasing to 100-600 ft AGL
                    overnight.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....800 (excellent) decreasing to 0 (poor)
                    overnight.
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Partly sunny (45-55 percent). Patchy fog until
                    0900.
Max temperature.....Around 69.
   24 hr trend......5 degrees cooler.
Min humidity........45-50 percent.
   24 hr trend......4 percent drier.
20-foot winds.......North winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6900-7400 ft AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....800-1000 (excellent).
Pcpn Amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....42-47.
   24 hr trend......1 degree cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5500-6000 ft AGL decreasing to 500-1000 ft AGL
                    overnight.
Transport winds.....North 0 to 5 mph.
Smoke dispersal.....500 (good) decreasing to 0 (poor) overnight.
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 72.
   24 hr trend......4 degrees warmer.
Min humidity........37-42 percent.
   24 hr trend......5 percent drier.
20-foot winds.......North winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6400-6900 ft AGL.
Transport winds.....North 0 to 5 mph.
Smoke dispersal.....200-300 (fair to good).
Pcpn Amount.........None.


$$

MIZ065>067-072>074-240830-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
332 PM EDT Wed Aug 23 2017

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after
                    0700.
Min temperature.....Around 48.
   24 hr trend......9 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds 5 to 9 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6000-6500 ft AGL decreasing to 1300-1800 ft AGL
                    overnight.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....900 (excellent) decreasing to 100 (poor)
                    overnight.
Pcpn Amount.........None.

.THURSDAY...
Sky/weather.........Mostly sunny (40-50 percent). Patchy fog until
                    0900.
Max temperature.....Around 69.
   24 hr trend......6 degrees cooler.
Min humidity........42-47 percent.
   24 hr trend......1 percent drier.
20-foot winds.......North winds 5 to 9 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......6800-7300 ft AGL.
Transport winds.....North 10 to 15 mph.
Smoke dispersal.....700-1000 (excellent).
Pcpn Amount.........None.

.THURSDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent). Patchy fog after
                    0400.
Min temperature.....43-48.
   24 hr trend......1 degree cooler.
Max humidity........98 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5500-6000 ft AGL decreasing to 0-400 ft AGL
                    overnight.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....700 (excellent) decreasing to 0 (poor)
                    overnight.
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Sunny (15-25 percent). Patchy fog until 0900.
Max temperature.....Around 72.
   24 hr trend......3 degrees warmer.
Min humidity........40-45 percent.
   24 hr trend......3 percent drier.
20-foot winds.......North winds 5 to 6 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6000-6500 ft AGL.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....400-500 (good).
Pcpn Amount.........None.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast winds
up to 5 mph.
.SATURDAY...Sunny. Highs in the mid 70s. Light winds becoming north
5 to 6 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
5 to 8 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds 5 to
9 mph.
.MONDAY...Partly sunny. Chance of showers in the afternoon. Highs in
the mid 70s. Southeast winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly sunny with a chance of showers. Highs in the mid
70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.

$$

wdm



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