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

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000
FNUS53 KGRR 201936
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
336 PM EDT Thu Jul 20 2017

...Continued warm and humid...

.DISCUSSION...
Very warm and humid conditions will continue late this week into the
weekend. Several rounds of thunderstorms are anticipated late Friday
through Saturday night.

MIZ037>039-043>045-210815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
336 PM EDT Thu Jul 20 2017

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent). Patchy fog after
                    0400.
Min temperature.....57-62.
   24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......Near Lake Michigan, 700-1200 ft AGL.
Mixing height....... inland, 3100-3600 ft AGL decreasing to 0-500
                    ft AGL overnight.
Transport winds.....Northwest around 5 mph shifting to the
                    northeast overnight.
Smoke dispersal.....0-200 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (45-55 percent) until 1800, then
                    mostly cloudy (70-80 percent).
Max temperature.....80-85 near Lake Michigan and around 88 inland.
   24 hr trend......2 degrees warmer near Lake Michigan and 3
                    degrees warmer Inland.
Min humidity........55-60 percent near Lake Michigan and 42-47
                    percent Inland.
   24 hr trend......9 percent drier near Lake Michigan and 11
                    percent drier Inland.
20-foot winds.......Light winds becoming southwest around 5 mph in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2700-3200 ft AGL near Lake Michigan and
                    4300-4800 ft AGL inland.
Transport winds.....South around 5 mph.
Smoke dispersal.....200-300 (fair to good).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms until 0200, then
                    showers and thunderstorms likely.
Chance of pcpn......70 percent.
Min temperature.....Around 66.
   24 hr trend......2 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......Near Lake Michigan, 700-1200 ft AGL.
Mixing height....... inland, 3100-3600 ft AGL decreasing to
                    1000-1500 ft AGL overnight.
Transport winds.....South around 5 mph increasing to east around 15
                    mph overnight.
Smoke dispersal.....200 (fair).
Pcpn Amount.........0.39-1.20 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....78-83.
   24 hr trend......8 degrees cooler.
Min humidity........65-70 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......South winds around 5 mph shifting to the
                    southwest around 6 mph in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......2700-3200 ft AGL near Lake Michigan and
                    4300-4800 ft AGL inland.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....100 (poor) until midday.
Pcpn Amount.........0.19-0.41 in.


$$

MIZ040-046-210815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
336 PM EDT Thu Jul 20 2017

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent). Patchy fog after
                    0400.
Min temperature.....56-61.
   24 hr trend......Unchanged.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4000-4500 ft AGL decreasing to 0-300 ft AGL
                    overnight.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....0-300 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 1900, then
                    mostly cloudy (70-80 percent).
Max temperature.....Around 88.
   24 hr trend......2 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5000-5500 ft AGL.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....300-400 (good to good).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 0100, then
                    mostly cloudy (80-90 percent). Chance of
                    showers and thunderstorms until 0200, then
                    showers and thunderstorms likely.
Chance of pcpn......60 percent.
Min temperature.....Around 66.
   24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......South winds 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4200-4700 ft AGL decreasing to 1400-1900 ft AGL
                    overnight.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....200-300 (fair to good).
Pcpn Amount.........0.33-0.53 in.

.SATURDAY...
Sky/weather.........Cloudy (85-95 percent). Chance of showers and
                    thunderstorms.
Chance of pcpn......50 percent.
Max temperature.....Around 80.
   24 hr trend......8 degrees cooler.
Min humidity........65-70 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......South winds 5 to 8 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5000-5500 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....0 (poor) until midday.
Pcpn Amount.........0.30-0.43 in.


$$

MIZ050-056-064-071-210815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
336 PM EDT Thu Jul 20 2017

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Patchy fog after
                    0400.
Min temperature.....Around 65.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......Near Lake Michigan, 1400-1900 ft AGL.
Mixing height....... inland, 2900-3400 ft AGL decreasing to 0-200
                    ft AGL overnight.
Transport winds.....Northwest around 5 mph shifting to the
                    northeast overnight.
Smoke dispersal.....0-200 (poor to fair).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent). Slight chance of
                    showers and thunderstorms after 1400.
Chance of pcpn......20 percent in the afternoon.
Max temperature.....86-91.
   24 hr trend......3 degrees warmer.
Min humidity........46-51 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Light winds becoming south around 5 mph in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2600-3100 ft AGL near Lake Michigan and
                    3500-4000 ft AGL inland.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....200-300 (fair to good).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms until 0200, then
                    showers and thunderstorms.
Chance of pcpn......80 percent.
Min temperature.....Around 69.
   24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southeast around 6 mph
                    overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 800-1300 ft AGL.
Mixing height....... inland, 3000-3500 ft AGL decreasing to
                    900-1400 ft AGL overnight.
Transport winds.....Southeast 10 to 15 mph.
Smoke dispersal.....200 (fair).
Pcpn Amount.........0.65-1.16 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Showers and
                    thunderstorms likely until 1400, then a chance
                    of showers and thunderstorms.
Chance of pcpn......60 percent.
Max temperature.....80-85.
   24 hr trend......5 degrees cooler.
Min humidity........65-70 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Southwest winds 5 to 10 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3700-4200 ft AGL.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....200 (fair) until midday.
Pcpn Amount.........0.31-0.45 in.


$$

MIZ051-052-057>059-210815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
336 PM EDT Thu Jul 20 2017

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent). Patchy fog after
                    0400.
Min temperature.....Around 64.
   24 hr trend......3 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3900-4400 ft AGL decreasing to 0-200 ft AGL
                    overnight.
Transport winds.....Northwest around 5 mph.
Smoke dispersal.....0-300 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 1800, then
                    mostly cloudy (70-80 percent).
Max temperature.....Around 89.
   24 hr trend......2 degrees warmer.
Min humidity........43-48 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3900-4400 ft AGL.
Transport winds.....South around 5 mph.
Smoke dispersal.....200-300 (fair to good).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 2400, then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms until 0200, then
                    showers and thunderstorms likely.
Chance of pcpn......70 percent.
Min temperature.....66-71.
   24 hr trend......5 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southeast winds 5 to 8 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2600-3100 ft AGL.
Transport winds.....Southeast around 5 mph increasing to northeast
                    around 15 mph overnight.
Smoke dispersal.....100-200 (poor to fair).
Pcpn Amount.........0.39-0.99 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers and
                    thunderstorms likely until 1400, then a chance
                    of showers and thunderstorms.
Chance of pcpn......60 percent.
Max temperature.....80-85.
   24 hr trend......7 degrees cooler.
Min humidity........63-68 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......South winds around 7 mph shifting to the
                    southwest around 8 mph in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3700-4200 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Smoke dispersal.....200 (fair) until midday.
Pcpn Amount.........0.37-0.62 in.


$$

MIZ065>067-072>074-210815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
336 PM EDT Thu Jul 20 2017

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Patchy fog after
                    0400.
Min temperature.....Around 65.
   24 hr trend......2 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2800-3300 ft AGL decreasing to 0-300 ft AGL
                    overnight.
Transport winds.....North around 5 mph.
Smoke dispersal.....0-300 (poor to good).
Pcpn Amount.........None.

.FRIDAY...
Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....Around 90.
   24 hr trend......2 degrees warmer.
Min humidity........43-48 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Light winds.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3600-4100 ft AGL.
Transport winds.....East around 5 mph shifting to the south in the
                    afternoon.
Smoke dispersal.....200 (fair).
Pcpn Amount.........None.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (60-70 percent) until 2400, then
                    mostly cloudy (75-85 percent). Chance of
                    showers and thunderstorms until 0200, then
                    showers and thunderstorms likely.
Chance of pcpn......70 percent.
Min temperature.....Around 69.
   24 hr trend......4 degrees warmer.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Light winds becoming southeast around 5 mph
                    overnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3300-3800 ft AGL decreasing to 600-1100 ft AGL
                    overnight.
Transport winds.....South around 10 mph.
Smoke dispersal.....100-200 (poor to fair).
Pcpn Amount.........0.48-0.90 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Showers and
                    thunderstorms likely until 1400, then a chance
                    of showers and thunderstorms.
Chance of pcpn......70 percent.
Max temperature.....Around 84.
   24 hr trend......7 degrees cooler.
Min humidity........65-70 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......Southwest winds 6 to 11 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3800-4300 ft AGL.
Transport winds.....Southwest around 20 mph becoming northwest
                    around 10 mph in the afternoon.
Smoke dispersal.....300 (good) until midday.
Pcpn Amount.........0.37-0.70 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds 5 to 6 mph
shifting to the west overnight.
.SUNDAY...Partly sunny with a chance of showers and thunderstorms.
Highs in the lower 80s. West winds 6 to 11 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. North winds 5 to
9 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Northeast winds 5 to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast winds
5 to 9 mph.
.TUESDAY...Sunny. Highs in the upper 70s. East winds 5 to 9 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Partly sunny. Highs in the lower 80s.

$$



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