Suppression Forecast
Issued by NWS Chicago, IL

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000
FNUS73 KLOT 261437
FWSLOT

SPOT FORECAST FOR COWELS BOG PILES 3...INDIANA DUNES
NATIONAL WEATHER SERVICE CHICAGO IL
837 AM CST THU FEB 26 2015

FORECAST IS BASED ON IGNITION TIME OF 0835 CST ON FEBRUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LAKE EFFECT SNOW SHOWERS WILL CONTINUE TODAY AND MAY BE
HEAVY AT TIMES WITH ACCUMULATION EXPECTED. GUSTY NORTHEAST WINDS MAY
CAUSE BLOWING AND DRIFTING SNOW. THE SNOW WILL TAPER OFF TO FLURRIES
OVERNIGHT.

.TODAY...

SKY/WEATHER.........CLOUDY. LAKE EFFECT SNOW SHOWERS...POSSIBLY HEAVY
                    AT TIMES. BLOWING SNOW POSSIBLE.
TEMPERATURE.........15 AT IGNITION...MAX 15.
RH..................85 PERCENT AT IGNITION...MIN 73 PERCENT.
WIND (20 FT)........NORTHEAST AT 12 MPH AT IGNITION...OTHERWISE NORTH
                    WINDS 10 TO 15 MPH.
MIXING HEIGHT.......1300 FT AGL AT IGNITION...INCREASING TO 2000-3000
                    FT AGL IN THE AFTERNOON...THEN DECREASING TO 1500
                    FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 16 TO 24 MPH.
MIXING TEMP 1700FT..15.
SMOKE DISPERSAL.....POOR /18000 KNOT-FT/ AT IGNITION. MAX...GOOD
                    /60500 KNOT-FT/.

TIME (CST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 100 100 100 100 100 100 100 99
WEATHER COV.....DEF LKY LKY DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....SN  SN  SW  SW  SW  SW  SW  SW  SW  SW
TEMP............15  14  14  15  15  15  15  15  15  14
RH..............80  80  80  77  77  73  73  73  73  76
20FT WIND DIR...030 030 030 020 020 010 010 000 000 000
20FT SPEED(MPH).10  10  10  10  10  10  11  12  11  10
20FT SPEED(KT)..8   8   8   8   8   9   10  10  10  9
20FT GUST(MPH)..20  20  20  20  20  21  23  24  23  22
20FT GUST(KT)...17  17  17  17  17  18  20  21  20  19
MIX HGT (KFT)...1.0 1.3 1.5 1.5 2.0 2.0 2.5 3.0 2.0 1.5
TRANSP WIND DIR.030 030 030 020 010 010 000 000 350 350
TRANSP WIND SPD.16  16  16  17  18  20  22  22  23  22
VRATE KT-FT/100014  18  21  24  28  39  50  61  44  25

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. LAKE EFFECT SNOW SHOWERS SLOWLY
                    ENDING OVERNIGHT. SOME ACCUMULATION POSSIBLE.
TEMPERATURE.........MIN 1.
RH..................MAX 83 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 22 MPH SHIFTING TO THE NORTHWEST 8
                    TO 12 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR (500-7500 KNOT-FT).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........99  98  97  97  96  95  94  90  86  82  78  74
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF LKY CHC
WEATHER TYPE....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
TEMP............11  9   8   7   7   6   5   4   3   2   2   1
RH..............83  80  76  76  72  76  79  79  83  83  79  83
20FT WIND DIR...000 350 340 330 330 320 320 320 300 300 290 290
20FT SPEED(MPH).10  9   7   6   5   5   4   4   4   4   4   5
20FT SPEED(KT)..8   8   6   6   4   4   3   3   3   3   3   4
20FT GUST(MPH)..20  17  15  13  9   7   6   6   6   6   6   7
20FT GUST(KT)...17  15  13  11  8   6   5   5   5   5   5   6
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.350 350 340 340 340 340 340 340 340 340 330 320
TRANSP WIND SPD.22  21  20  20  18  17  16  14  12  9   8   8
VRATE KT-FT/10008   1   2   4   4   4   4   3   3   2   2   2

.FRIDAY...

MIXING TEMP 1700FT..11.
SMOKE DISPERSAL.....POOR (2000-25000 KNOT-FT).

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
VRATE KT-FT/10002   2   3   5   11  18  23  25  25  23  17  11

$$
FORECASTER...SULLIVAN
REQUESTED BY...JOE JAMES
TYPE OF REQUEST...PRESCRIBED
.TAG 20150226.COWEL.01/LOT




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