FNUS73 KDTX 131354
FWSDTX

SPOT FORECAST FOR ALGONAC...MICHIGAN DNR
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 13 2013

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MAY 13.

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
COOL AND DRY CONDITIONS FOR TODAY AS HIGH PRESSURE SLOWLY SETTLES
INTO THE REGION. NORTHWEST WINDS WILL BACK TO THE WEST AT 5 TO 10
MPH THROUGH THE MORNING. RELATIVE HUMIDITY WILL BE ON THE HIGH
SIDE THIS MORNING DUE TO PROXIMITY TO THE LAKE BUT WILL DROP OF
QUICKLY TO AROUND 25 PERCENT BY THE AFTERNOON AS DAYTIME HEATING
COMMENCES. A PASSING WARM FRONT WILL BRING A CHANCE OF SHOWERS ON
TUESDAY. NOT NEARLY AS DRY TUESDAY...WITH MINIMUM RH VALUES WELL
ABOVE 30 PERCENT.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 6 TO 11 MPH.
WIND (20 FT)........WEST WINDS 6 TO 11 MPH.
TRANSPORT WINDS.....WEST 12 TO 18 MPH.
MIXING HEIGHT.......2700 FT AGL...INCREASING TO 8200 FT AGL.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

TIME (EDT)      1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........47  55  50  45  40  32  25
WEATHER COV.....
WEATHER TYPE....
TEMP............48  49  49  50  50  50  50
RH..............32  30  29  29  30  31  33
20 FT WIND DIR..NW  W   W   W   W   W   W
20 FT WIND SPD..9   8   8   8   7   7   6
20 FT WIND GUST.15  15  15  15  15  15  10
EYE LVL WND DIR.NW  W   W   W   W   W   W
EYE LVL WND SPD.9   8   8   8   7   7   6
EYE LVL WND GST.15  15  15  15  15  15  10
MIX HGT (KFT)...7.7 8.2 8.0 7.5 7.0 6.9 7.0
HAINES INDEX....3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)BECOMING MOSTLY
                    CLOUDY (70-80 PERCENT) OVERNIGHT. PATCHY FROST
                    AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS
                    EARLY.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH...BECOMING SOUTH 5 TO 10
                    MPH BY LATE EVENING.
TRANSPORT WINDS.....WEST 8 TO 12 MPH...BECOMING SOUTH 2 TO 8 MPH BY
                    LATE EVENING...THEN...INCREASING TO 12 TO 15
                    MPH LATE.
MIXING HEIGHT.......5200 FT AGL...DECREASING TO 2400 FT AGL
                    OVERNIGHT.
VENTILATION RATE....POOR (MIN...100).

TIME (EDT)      8 PM   10 PM  MIDNGT 2 AM   4 AM   6 AM
SKY (%).........17     28     34     37     54     69
WEATHER COV.....              PATCHY PATCHY PATCHY PATCHY
WEATHER TYPE....NONE   NONE   FROST  FROST  FROST  FROST
TEMP............49     46     42     40     41     43
RH..............35     45     56     70     70     70
20 FT WIND DIR..W      SW     S      S      S      S
20 FT WIND SPD..6      4      5      6      7      7
20 FT WIND GUST.10     5             10     10     10
MIX HGT (FT)....6900   6400   5600   4900   5800   4200
VRATE (KT-FT)...700    200    100    200    300    400

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A SLIGHT CHANCE
                    OF RAIN SHOWERS EARLY...THEN CHANCE OF RAIN
                    SHOWERS BY LATE MORNING.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH.

$$
FORECASTER...KOOK
REQUESTED BY...MCKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20130513.ALGONAC__.01/DTX