482
FNUS53 KDTX 181953
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
353 PM EDT Tue Jun 18 2024

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT FRIDAY...
...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THURSDAY...

.DISCUSSION...Hot and humid weather settles over southeast Michigan
early this week, but min RH still drops in into the 40s. Scattered
showers and thunderstorms possible both Tuesday and Wednesday.

MIZ047-048-053-060-061-191415-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
353 PM EDT Tue Jun 18 2024

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT FRIDAY...

.REST OF THE AFTERNOON...

Sky/weather.........Partly cloudy (50-60 percent). Slight chance of
                    showers and thunderstorms after 2 pm until
                    1700, then chance of showers and thunderstorms.
                    Chance of precipitation 30 percent.
Max temperature.....84-90.
   24 hr trend......2 degrees cooler.
Min humidity........46-54 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 10 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5010-5510 ft agl.
Transport winds.....Southwest 20 to 25 mph.
Smoke dispersal.....Excellent (1139).
Pcpn amount.........0.11-0.25 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Min temperature.....71-76.
   24 hr trend......1 degree warmer.
Max humidity........83-93 percent.
   24 hr trend......1 percent drier.
20-foot winds.......South 10 to 15 mph becoming southwest around 5
                    mph after midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......940-1140 ft agl.
Transport winds.....South around 15 mph.
Smoke dispersal.....Poor (36).
Pcpn amount.........None.

.JUNETEENTH...
Sky/weather.........Partly cloudy (45-55 percent). Chance of showers
                    after 11 am. Chance of precipitation 30 percent.
Max temperature.....88-92.
   24 hr trend......3 degrees warmer.
Min humidity........43-53 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southwest 10 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5400-5900 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1022).
Pcpn amount.........0.06-0.10 in.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Chance of
                    thunderstorms until 11 pm. Chance of showers
                    until 2 am. Chance of precipitation 30 percent.
Min temperature.....Around 71.
   24 hr trend......2 degrees cooler.
Max humidity........83-90 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest around 5 mph becoming northeast in
                    the late evening and overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....West around 10 mph becoming northeast in the
                    late evening and overnight.
Smoke dispersal.....Poor (19).
Pcpn amount.........0.01-0.05 in.


$$

MIZ049-054-055-062-191415-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
353 PM EDT Tue Jun 18 2024

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THURSDAY...

.REST OF THE AFTERNOON...

Sky/weather.........Partly cloudy (55-65 percent). Chance of showers
                    and thunderstorms after 2 pm. Chance of
                    precipitation 40 percent.
Max temperature.....86-92.
   24 hr trend......1 degree cooler.
Min humidity........46-53 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southwest around 5 mph increasing to 10 to 15
                    mph in the late morning and afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4930-5430 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1125).
Pcpn amount.........0.26-0.50 in.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent).
Min temperature.....69-74.
   24 hr trend......1 degree warmer.
Max humidity........87-93 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......South 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900-1100 ft agl.
Transport winds.....South around 15 mph.
Smoke dispersal.....Poor (25).
Pcpn amount.........0.06-0.10 in.

.JUNETEENTH...
Sky/weather.........Partly cloudy (55-65 percent). Chance of
                    showers. Chance of precipitation 30 percent.
Max temperature.....88-92.
   24 hr trend......2 degrees warmer.
Min humidity........45-52 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest 10 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5170-5670 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (952).
Pcpn amount.........0.26-0.50 in.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Chance of
                    thunderstorms until 11 pm. Chance of showers
                    until 2 am. Chance of precipitation 30 percent.
Min temperature.....66-70.
   24 hr trend......2 degrees cooler.
Max humidity........85-95 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest around 5 mph becoming north in the
                    late evening and overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....West around 10 mph becoming northeast in the
                    late evening and overnight.
Smoke dispersal.....Poor (14).
Pcpn amount.........0.01-0.05 in.


$$

MIZ063-068>070-075-076-082-083-191415-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
353 PM EDT Tue Jun 18 2024

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT FRIDAY...

.REST OF THE AFTERNOON...

Sky/weather.........Mostly cloudy (60-70 percent). Chance of
                    showers and thunderstorms after 2 pm until
                    1700, then slight chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Max temperature.....88-94.
   24 hr trend......1 degree cooler.
Min humidity........42-52 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......South 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5380-5880 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1059).
Pcpn amount.........0.11-0.25 in.

.TONIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 am, then
                    mostly cloudy (65-75 percent).
Min temperature.....70-76.
   24 hr trend......2 degrees warmer.
Max humidity........86-96 percent.
   24 hr trend......1 percent drier.
20-foot winds.......South 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......840-1040 ft agl.
Transport winds.....South around 10 mph.
Smoke dispersal.....Poor (19).
Pcpn amount.........0.01-0.05 in.

.JUNETEENTH...
Sky/weather.........Mostly cloudy (60-70 percent). Chance of
                    showers after 11 am. Chance of thunderstorms
                    after 2 pm. Chance of precipitation 30 percent.
Max temperature.....90-96.
   24 hr trend......2 degrees warmer.
Min humidity........40-50 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5190-5690 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Excellent (682).
Pcpn amount.........0.26-0.50 in.

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
                    showers and thunderstorms until 2 am. Chance of
                    precipitation 30 percent.
Min temperature.....70-76.
   24 hr trend......1 degree cooler.
Max humidity........87-97 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest 5 to 10 mph becoming north after
                    midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......640-840 ft agl.
Transport winds.....Southwest around 10 mph becoming west in the
                    late evening and early morning, then becoming
                    northeast after midnight.
Smoke dispersal.....Poor (8).
Pcpn amount.........0.11-0.25 in.


$$


.FORECAST DAYS 3 THROUGH 7...

.THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the mid 60s. Highs in the mid 80s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the upper 60s. Highs in the upper 80s. East winds around 5 mph.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows
in the lower 70s. Highs in the lower 90s. Southwest winds around
10 mph.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the lower 60s. Highs in the mid 80s.
.MONDAY...Mostly clear. Lows around 60. Highs in the lower 80s.

$$

CB