Suppression Forecast
Issued by NWS Detroit/Pontiac, MI

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000
FNUS73 KDTX 181214
FWSDTX

SPOT FORECAST FOR STONE CO RX...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
814 AM EDT SAT APR 18 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 18.

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

.DISCUSSION...HIGH PRESSURE IS BUILDING INTO THE REGION BEHIND A
COLD FRONT NOW TO THE SOUTH OF MICHIGAN. NORTHEASTERLY FLOW OFF
LAKE HURON WILL RESULT IN A WIDE VARIATION OF TEMPERATURES ACROSS
THE AREA...RANGING FROM THE 50S FOR THE NORTHERN THUMB TO THE LOW
70S FROM DETROIT SOUTHWARD. HUMIDITIES WILL ALSO FALL FAIRLY LOW
IN THE AFTERNOON...DROPPING JUST BELOW 40 PERCENT AWAY FROM THE
LAKESHORE. LOW PRESSURE LIFTING THROUGH THE GREAT LAKES WILL THEN
BRING A PERIOD OF WET AND BREEZY CONDITIONS SUNDAY AFTERNOON
THROUGH MONDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH...BECOMING NORTH 7 TO 12
                    MPH IN THE MORNING...THEN BECOMING NORTHEAST
                    10 TO 15 MPH BY AFTERNOON.
TRANSPORT WINDS.....WEST 3 TO 6 MPH...BECOMING NORTH 9 TO 12 MPH BY
                    LATE MORNING...THEN BECOMING NORTHEAST 13 TO
                    20 MPH LATE...INCREASING TO AROUND 23 MPH EARLY
                    IN THE EVENING.
MIXING HEIGHT.......1300 FT AGL...INCREASING TO 4600 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 8500 FT AGL BY
                    EARLY AFTERNOON...DECREASING TO 4000 FT AGL LATE.
VENTILATION RATE....EXCELLENT (MAX...800).

TIME (EDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........20  21  22  22  22  22  21  21
WEATHER COV.....
WEATHER TYPE....
TEMP............71  72  72  71  70  68  66  64
RH..............45  44  43  40  39  37  38  40
20 FT WIND DIR..N   NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..10  11  12  13  13  13  12  11
20 FT WIND GUST.20  20  25  25  25  25  20  20
MIX HGT (KFT)...6.5 8.0 8.6 7.9 6.3 4.6 3.3 2.2
VRATE (KT-FT)...700 800 800 800 700 600 600 400

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (30-40 PERCENT).
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........EAST WINDS 15 TO 20 MPH.
TRANSPORT WINDS.....NORTHEAST 16 TO 25 MPH...BECOMING EAST AROUND
                    25 MPH EARLY.
MIXING HEIGHT.......400 FT AGL.
VENTILATION RATE....POOR (MIN...0).

TIME (EDT)      8 PM   10 PM  MIDNGT 2 AM   4 AM   6 AM
SKY (%).........21     20     18     17     30     43
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............61     53     48     46     44     44
RH..............42     57     71     75     75     72
20 FT WIND DIR..NE     NE     NE     E      E      E
20 FT WIND SPD..10     10     11     13     15     16
20 FT WIND GUST.15     15     15     20     20     25
MIX HGT (FT)....1300   600    400    400    500    400
VRATE (KT-FT)...300    100    0      100    100    100

.SUNDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE
                    OF RAIN SHOWERS LATE IN THE MORNING. CHANCE OF
                    RAIN SHOWERS BY LATE MORNING...THEN RAIN
                    SHOWERS LIKELY BY MID AFTERNOON.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........EAST WINDS 13 TO 18 MPH.
TRANSPORT WINDS.....EAST 18 TO 26 MPH...INCREASING TO AROUND 31 MPH
                    EARLY IN THE EVENING.
MIXING HEIGHT.......1000 FT AGL.
VENTILATION RATE....FAIR (MAX...200).

$$
FORECASTER...GURNEY
REQUESTED BY...DARWIN SCHULTZ - FIRE MANAGER - MI
TYPE OF REQUEST...PRESCRIBED
.TAG 20150418.STONE.01/DTX



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