250
FNUS53 KDTX 201957
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
357 PM EDT Thu Jun 20 2024

...HEAT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.DISCUSSION...Hot and humid weather persists over most of Southeast
Michigan today with minimum RHs in the 50 to 60 percent range and
modest southwest flow. Periods of isolated to scattered
thunderstorms are expected over the next 36 hours.

MIZ047-048-053-060-061-202115-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
357 PM EDT Thu Jun 20 2024

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Slight chance of
                    showers and thunderstorms until 11 pm. Chance of
                    precipitation 20 percent.
Min temperature.....62-67.
   24 hr trend......4 degrees cooler.
Max humidity........90-100 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Northeast 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.....Northeast 5 to 10 mph.
Smoke dispersal.....Poor (9).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (45-55 percent). Slight chance of
                    showers until 2 pm. Slight chance of
                    thunderstorms after 11 am until 2 pm, then
                    chance of showers and thunderstorms. Chance of
                    precipitation 50 percent.
Max temperature.....78-82.
   24 hr trend......1 degree warmer.
Min humidity........58-68 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Southeast around 5 mph becoming west in the
                    late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4170-4670 ft agl.
Transport winds.....Northeast around 5 mph becoming southwest in
                    the late morning and afternoon.
Smoke dispersal.....Fair (293).
Pcpn amount.........0.26-0.50 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 am, then
                    mostly cloudy (60-70 percent). Chance of
                    showers and thunderstorms after 2 am. Chance of
                    precipitation 30 percent.
Min temperature.....64-70.
   24 hr trend......3 degrees warmer.
Max humidity........90-100 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......East around 5 mph becoming south after
                    midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......500-700 ft agl.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....Poor (8).
Pcpn amount.........0.11-0.25 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (55-65 percent). Chance of
                    showers. Chance of thunderstorms after 2 pm.
                    Chance of precipitation 40 percent.
Max temperature.....84-90.
   24 hr trend......5 degrees warmer.
Min humidity........42-52 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5800-6300 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1151).
Pcpn amount.........0.11-0.25 in.


$$

MIZ049-054-055-062-202115-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
357 PM EDT Thu Jun 20 2024

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....59-64.
   24 hr trend......4 degrees cooler.
Max humidity........90-100 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northeast 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.....Northeast 5 to 10 mph.
Smoke dispersal.....Poor (9).
Pcpn amount.........None.

.FRIDAY...
Sky/weather.........Partly cloudy (45-55 percent). Slight chance of
                    showers until 2 pm, then chance of showers and
                    thunderstorms. Chance of precipitation 40
                    percent.
Max temperature.....78-82.
   24 hr trend......3 degrees warmer.
Min humidity........59-69 percent.
   24 hr trend......7 percent drier.
20-foot winds.......North 5 to 10 mph becoming northeast early in
                    the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3730-4230 ft agl.
Transport winds.....North around 5 mph becoming west in the late
                    morning and early afternoon, then becoming
                    southwest early in the afternoon.
Smoke dispersal.....Good (302).
Pcpn amount.........0.26-0.50 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (50-60 percent) until 2 am, then
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms after 2 am. Chance of
                    precipitation 40 percent.
Min temperature.....62-68.
   24 hr trend......3 degrees warmer.
Max humidity........93-100 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......East around 5 mph becoming south after
                    midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......580-780 ft agl.
Transport winds.....Southeast around 10 mph becoming southwest
                    after midnight.
Smoke dispersal.....Poor (6).
Pcpn amount.........0.26-0.50 in.

.SATURDAY...
Sky/weather.........Mostly cloudy (60-70 percent). Chance of
                    showers. Chance of thunderstorms after 2 pm.
                    Chance of precipitation 50 percent.
Max temperature.....84-88.
   24 hr trend......3 degrees warmer.
Min humidity........51-61 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5430-5930 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1078).
Pcpn amount.........0.11-0.25 in.


$$

MIZ063-068>070-075-076-082-083-202115-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
357 PM EDT Thu Jun 20 2024

...HEAT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
                    showers and thunderstorms until 11 pm. Chance of
                    precipitation 40 percent.
Min temperature.....64-68.
   24 hr trend......3 degrees cooler.
Max humidity........90-100 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Northeast 5 to 10 mph until early morning
                    becoming light.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......780-980 ft agl.
Transport winds.....Northeast around 5 mph.
Smoke dispersal.....Poor (4).
Pcpn amount.........0.06-0.10 in.

.FRIDAY...
Sky/weather.........Partly cloudy (40-50 percent). Slight chance of
                    showers and thunderstorms until 2 pm, then
                    chance of showers and thunderstorms. Chance of
                    precipitation 40 percent.
Max temperature.....84-90.
   24 hr trend......Unchanged.
Min humidity........52-62 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northwest around 5 mph becoming west in the
                    late morning and afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4380-4880 ft agl.
Transport winds.....North around 5 mph becoming west in the late
                    morning and afternoon.
Smoke dispersal.....Good (308).
Pcpn amount.........0.26-0.50 in.

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Chance of
                    precipitation 20 percent.
Min temperature.....66-72.
   24 hr trend......1 degree warmer.
Max humidity........90-100 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.......400-600 ft agl.
Transport winds.....South 5 to 10 mph.
Smoke dispersal.....Poor (4).
Pcpn amount.........0.11-0.25 in.

.SATURDAY...
Sky/weather.........Partly cloudy (40-50 percent). Chance of showers
                    after 2 pm. Chance of precipitation 30 percent.
Max temperature.....90-94.
   24 hr trend......3 degrees warmer.
Min humidity........36-46 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6650-7150 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Excellent (1470).
Pcpn amount.........0.01-0.05 in.


$$


.FORECAST DAYS 3 THROUGH 7...

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

$$

MV