Text Products for FWS Issued by DTX

Spot Forecast
Issued by NWS Detroit/Pontiac, MI
Versions: 1 2 3 4 5 6 7
000
FNUS73 KDTX 210801
FWSDTX

Spot Forecast for North of Dale...MIDNR
National Weather Service Detroit/Pontiac MI
401 AM EDT Sun Apr 21 2024

Forecast is based on ignition time of 1500 EDT on April 21.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Dry conditons will be in place through Monday.
Uncertainty exists with timing of clearing early today, but sunshine
is expected for all areas this afternoon. Minumum RH values this
afternoon are expected to fall into the upper 20s percent range with
west to southwest winds reaching 20 to 25 mph. After a cold start
Monday, temperatures are expected to rise to around 60 degrees with
minimum RH in the lower 30s percent range. Southwest winds of around
20 mph will be possible Monday afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 55.
Min humidity........28 percent.
Eye level winds.....West winds around 14 mph with gusts to around
                    23 mph.
Mixing height.......7400 ft AGL.
Transport winds.....West around 24 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Smoke Dispersal....Excellent (MAX...1351).

TIME (EDT)      3PM 4PM 5PM
SKY (%).........11  10  11
WEATHER COV.....
WEATHER TYPE....
TEMP............53  54  55
RH..............31  30  28
EYE LVL WND DIR.W   W   W
EYE LVL WND SPD.14  14  14
EYE LVL WND GST.23  23  22
MIX HGT (KFT)...7.1 7.1 7.4
HAINES INDEX....5   5   5
SMOKE DISPER....148214921554

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Patchy frost
                    early in the morning.
Min temperature.....Around 31.
Max humidity........87 percent.
Eye level winds.....Northwest winds 6 to 14 mph...becoming north up
                    to 6 mph late in the evening, then becoming
                    light after 3 am.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 16 to 24 mph...decreasing to 9 to 14
                    mph late in the evening, then becoming
                    northeast 7 to 9 mph overnight...becoming east
                    6 to 7 mph after 3 am.
Haines Index........4 to 5 OR low to moderate potential for large
                    plume dominated fire growth.
Smoke Dispersal....Excellent (MIN...1020)...decreasing to poor
                   (MIN...13) early in the evening.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........17     28     19     28     35     10
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............55     49     43     39     36     33
RH..............29     37     53     65     72     77
EYE LVL WND DIR.W      NW     NW     N      N      E
EYE LVL WND SPD.14     10     6      5      4      2
EYE LVL WND GST.21     18     14     11     8      6
MIX HGT (KFT)...7200   800    600    500    700    400
HAINES INDEX....5      5      5      5      4      4
SMOKE DISPER....1517   117    68     40     43     25

.MONDAY...

Sky/weather.........Sunny (15-25 percent). Patchy frost early in
                    the morning, then areas of frost early in the
                    morning.
Max temperature.....Around 60.
Min humidity........32 percent.
Eye level winds.....Light winds...becoming south up to 10 mph in
                    the morning, then becoming southwest 10 to 11
                    mph in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....South 7 to 14 mph...becoming southwest 16 to 24
                    mph in the afternoon.
Haines Index........4 to 5 OR low to moderate potential for large
                    plume dominated fire growth.
Smoke Dispersal....Excellent (MAX...773)...increasing to excellent
                   (MAX...1205) late in the afternoon.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........4         6         15        32
WEATHER COV.....PATCHY
WEATHER TYPE....FROST     NONE      NONE      NONE
TEMP............31        38        51        58
RH..............84        69        43        33
EYE LEVEL WIND..SE 2      S 6       S 10      SW 11
EYE LEVEL WIND..6         10        14        18
MIX HGT (FT)....300       1200      4100      6700
HAINES INDEX....4         5         5         5
SMOKE DISPER....19        124       567       1151

$$
Forecaster...Frey
Requested by...Nate Stearns
Type of request...PRESCRIBED
.TAG 2411541.0/DTX
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL stearnsn@michigan.gov
National Weather Service Weather Forecast Office
