888
FNUS53 KDTX 210731
FWFDTX

Fire Weather Planning Forecast for Southeast Michigan
National Weather Service Detroit/Pontiac MI
331 AM EDT Tue May 21 2024

.DISCUSSION...Very warm conditions persist today with a chance of
afternoon/evening storms followed by a line of storms late Tuesday
night as a cold front approaches. Minimum RH values are expected to
range between 40 and 50 percent this afternoon with relatively weak
southwest winds. A linger chance for showers and thunderstorms will
exist as the cold front moves through Wednesday. Precipitation free
conditions return to finish the week.

MIZ047-048-053-060-061-212115-
Midland-Bay-Saginaw-Shiawassee-Genesee-
Including the cities of Midland-Bay City-Saginaw-Owosso-Flint
331 AM EDT Tue May 21 2024

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 8 am, then
                    partly cloudy (45-55 percent). Slight chance of
                    thunderstorms until 5 pm. Chance of showers
                    after 2 pm. Chance of thunderstorms after 5 pm.
                    Chance of precipitation 30 percent.
Max temperature.....76-82.
   24 hr trend......1 degree cooler.
Min humidity........46-56 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5220-5720 ft agl.
Transport winds.....West 10 to 15 mph becoming south early in the
                    afternoon.
Smoke dispersal.....Good (586).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). Chance of
                    thunderstorms after 2 am until 5 am. Chance of
                    showers after 2 am. Chance of precipitation 40
                    percent.
Min temperature.....64-70.
   24 hr trend......6 degrees warmer.
Max humidity........74-82 percent.
   24 hr trend......12 percent drier.
20-foot winds.......South 10 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900-1100 ft agl.
Transport winds.....Southeast around 10 mph becoming south
                    around 20 mph in the late evening and
                    overnight.
Smoke dispersal.....Poor (24).
Pcpn amount.........0.06-0.10 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (35-45 percent). Chance of
                    precipitation 20 percent.
Max temperature.....76-80.
   24 hr trend......3 degrees cooler.
Min humidity........39-49 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southwest 15 to 20 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3940-4440 ft agl.
Transport winds.....Southwest 25 to 30 mph.
Smoke dispersal.....Excellent (997).
Pcpn amount.........None.


$$

MIZ049-054-055-062-212115-
Huron-Tuscola-Sanilac-Lapeer-
Including the cities of Bad Axe-Caro-Sandusky-Lapeer
331 AM EDT Tue May 21 2024

.TODAY...
Sky/weather.........Mostly cloudy (65-75 percent) until 8 am, then
                    partly cloudy (45-55 percent) until 2 pm, then
                    mostly sunny (25-35 percent). Chance of showers
                    and thunderstorms until 8 am, then slight
                    chance of showers and thunderstorms after 2 pm.
                    Chance of precipitation 30 percent.
Max temperature.....74-80.
   24 hr trend......2 degrees cooler.
Min humidity........49-59 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4560-5060 ft agl.
Transport winds.....West 10 to 15 mph becoming south early in the
                    afternoon.
Smoke dispersal.....Good (532).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Slight chance of
                    thunderstorms after 2 am until 5 am. Chance of
                    showers after 2 am. Chance of
                    precipitation 30 percent.
Min temperature.....60-64.
   24 hr trend......1 degree warmer.
Max humidity........82-92 percent.
   24 hr trend......7 percent drier.
20-foot winds.......South 5 to 10 mph increasing to around 15 mph
                    after midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......800-1000 ft agl.
Transport winds.....Southeast around 10 mph becoming south 15 to 20
                    mph in the late evening and overnight.
Smoke dispersal.....Poor (16).
Pcpn amount.........0.01-0.05 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (35-45 percent). Chance of
                    precipitation 20 percent.
Max temperature.....78-82.
   24 hr trend......Unchanged.
Min humidity........42-52 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southwest 15 to 20 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4520-5020 ft agl.
Transport winds.....Southwest 25 to 30 mph.
Smoke dispersal.....Excellent (1110).
Pcpn amount.........None.


$$

MIZ063-068>070-075-076-082-083-212115-
St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
Including the cities of Port Huron-Howell-Pontiac-Warren-Ann
Arbor-Detroit-Adrian-Monroe
331 AM EDT Tue May 21 2024

.TODAY...
Sky/weather.........Partly cloudy (40-50 percent). Slight chance of
                    showers and thunderstorms. Chance of
                    precipitation 20 percent.
Max temperature.....82-88.
   24 hr trend......Unchanged.
Min humidity........38-48 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6350-6850 ft agl.
Transport winds.....West 10 to 15 mph becoming southwest early in
                    the afternoon.
Smoke dispersal.....Excellent (967).
Pcpn amount.........0.06-0.10 in.

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). Chance of
                    showers and slight chance of thunderstorms
                    after 2 am. Chance of precipitation 30 percent.
Min temperature.....66-70.
   24 hr trend......5 degrees warmer.
Max humidity........73-83 percent.
   24 hr trend......8 percent drier.
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 10 to 15 mph becoming southwest around 20
                    mph after midnight.
Smoke dispersal.....Poor (19).
Pcpn amount.........0.06-0.10 in.

.WEDNESDAY...
Sky/weather.........Partly cloudy (40-50 percent). Chance of showers
                    after 2 pm. Chance of precipitation 30 percent.
Max temperature.....82-86.
   24 hr trend......2 degrees cooler.
Min humidity........41-51 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 15 to 20 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5160-5660 ft agl.
Transport winds.....Southwest 20 to 25 mph.
Smoke dispersal.....Excellent (1167).
Pcpn amount.........None.


$$


.FORECAST DAYS 3 THROUGH 7...

.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s. West
winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the upper 70s. Southwest winds around
5 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the upper 50s. Highs in the upper 70s. Southeast winds around
10 mph.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows
in the mid 50s. Highs in the mid 70s.
.MEMORIAL DAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the mid 70s.

$$

MR