Suppression Forecast
Issued by NWS Chicago, IL

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000
FNUS73 KLOT 171456
FWSLOT

SPOT FORECAST FOR GRAND BLVD  3...INDIANA DUNES NATIONAL LAKESHORE
NATIONAL WEATHER SERVICE CHICAGO IL
956 AM CDT FRI APR 17 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL REMAIN ACROSS THE AREA TODAY. THIS WILL
KEEP WIND SPEEDS LIGHT AND TEMPERATURES MILD. WINDS NEAR LAKE SHORE
AREAS WILL TURN ONSHORE TODAY...EASING TEMPERATURES AND MIXING
HEIGHTS. MINIMUM HUMIDITY VALUES WILL DIP TO BELOW 30 PERCENT IN
MANY PLACES TODAY...WITH SOME LOCATIONS POSSIBLY REACHING 25
PERCENT. EXPECT FAIRLY DEEP MIXING TODAY AS WELL... ESPECIALLY
AWAY FROM THE LAKEFRONT. SLIGHTLY STRONGER ONSHORE FLOW IS
EXPECTED ON SATURDAY. THE NEXT CHANCE FOR WETTING RAIN WILL ARRIVE
MAINLY ON SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING.
TEMPERATURE.........64 AT IGNITION...MAX 67.
RH..................48 PERCENT AT IGNITION...MIN 37 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 4 MPH AT
                    IGNITION...OTHERWISE SOUTH WINDS AROUND 5 MPH
                    EARLY IN THE MORNING BECOMING LIGHT...THEN
                    BECOMING NORTHEAST 5 TO 6 MPH IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......300 FT AGL AT IGNITION...OTHERWISE 300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 8 MPH.
MIXING TEMP 1700FT..72.
SMOKE DISPERSAL.....POOR /1100 KNOT-FT/ AT IGNITION. MAX...POOR
                    /1700 KNOT-FT/.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........15  15  18  20  23  25  28
WEATHER COV.....
WEATHER TYPE....
TEMP............64  65  66  67  66  64  61
RH..............48  43  40  37  37  40  46
20 FT WIND DIR..330 350 010 030 050 060 070
20 FT WIND SPD..3   3   4   4   5   5   5
20 FT WIND GUST.5   5   5   5   10  10  10
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.270 260 260 250 250 250 240
TRANSP WIND SPD.6   5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0
VRATE KT-FT/10001   1   1   1   1   1   1

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 51.
RH..................MAX 83 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
CHANCE OF PCPN......10 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH.
MIXING TEMP 1700FT..MISSING.
SMOKE DISPERSAL.....POOR TO POOR (1200-2600 KNOT-FT).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........30  30  30  30  29  29  29  32  35  39  42  45
WEATHER COV.....
WEATHER TYPE....
TEMP............58  60  61  63  62  61  59  58  56  55  53  51
RH..............53  51  49  48  52  53  60  62  69  72  77  83
20 FT WIND DIR..080 090 120 130 140 170 190 190 200 200 240 330
20 FT WIND SPD..4   3   2   2   2   2   3   3   2   2   2   2
20 FT WIND GUST.5   5   5   5   5   5   5   5   5   5   5   5
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.230 240 240 250 250 250 250 250 270 270 290 320
TRANSP WIND SPD.6   6   6   7   8   9   9   10  12  12  10  8
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
VRATE KT-FT/10001   1   1   2   2   2   2   2   3   3   2   1

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MAX 64.
RH..................MIN 39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 8 MPH WITH
                    GUSTS TO AROUND 20 MPH.
CHANCE OF PCPN......10 PERCENT.
MIXING HEIGHT.......300-1300 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 15 MPH.
MIXING TEMP 1700FT..73.
SMOKE DISPERSAL.....POOR TO POOR (1500-10900 KNOT-FT).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........48  48  48  48  47  47  47  50  53  55  58  61
WEATHER COV.....
WEATHER TYPE....
TEMP............51  54  58  61  63  64  64  63  62  61  61  60
RH..............83  71  62  53  50  48  46  44  43  41  39  39
20 FT WIND DIR..010 010 020 020 020 020 030 030 030 040 040 060
20 FT WIND SPD..3   4   5   5   5   6   6   6   6   6   6   5
20 FT WIND GUST.5   5   10  10  10  15  15  15  15  20  20  20
MIX HGT (KFT)...0.3 0.6 0.9 1.2 1.2 1.3 1.3 1.0 0.6 0.3 0.3 0.3
TRANSP WIND DIR.330 350 020 040 040 050 050 060 060 060 070 090
TRANSP WIND SPD.7   8   9   10  9   8   8   8   9   10  13  15
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
VRATE KT-FT/10002   4   8   10  11  10  9   7   4   2   2   3

$$
FORECASTER...RODRIGUEZ
REQUESTED BY...NEAL MULCONREY
TYPE OF REQUEST...PRESCRIBED
.TAG 20150417.GRAND.01/LOT


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