Suppression Forecast
Issued by NWS Chicago, IL

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000
FNUS73 KLOT 301311
FWSLOT

SPOT FORECAST FOR HEALY ROAD SAVANNA...FPDCC
NATIONAL WEATHER SERVICE CHICAGO IL
811 AM CDT MON MAR 30 2015

FORECAST IS BASED ON IGNITION TIME OF 0745 CDT ON MARCH 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WESTERLY WINDS WILL BE IN PLACE TODAY ACROSS THE AREA WITH
WARMER TEMPERATURES AROUND 60. IT IS POSSIBLE LATE IN THE DAY
THAT WINDS TURN MORE NORTHWEST AND THEN NORTHEAST WITH ONSHORE
FLOW OFF OF THE LAKE...WHILE TEMPERATURES DROP. A QUICK MOVING
WEATHER SYSTEM WILL PASS OVER THE AREA TONIGHT WITH MOST IF NOT
ALL LOCATIONS REMAINING DRY. THIS WILL TURN WINDS NORTHERLY FOR
TUESDAY. THIS SETUP WILL BRING LAKE COOLED AIR TO MUCH OF
NORTHEAST ILLINOIS AND NORTHWEST INDIANA BY EARLY AFTERNOON
TUESDAY...LOWERING MIXING HEIGHTS. WARMER TEMPERATURES RETURN ON
WEDNESDAY AS WINDS TURN SOUTHERLY AGAIN. RAIN SHOWERS WILL BE
POSSIBLE AREAWIDE LATER WEDNESDAY NIGHT AND THURSDAY.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY THEN BECOMING
                    MOSTLY CLOUDY.
TEMPERATURE.........38 AT IGNITION...MAX 59.
RH..................73 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........WINDS WEST AT 6 MPH AT IGNITION...OTHERWISE
                    SOUTHWEST WINDS 5 TO 12 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................NO TSTMS.
MIXING HEIGHT.......500 FT AGL AT IGNITION...OTHERWISE 300-2000 FT
                    AGL INCREASING TO 2900-4500 FT AGL...THEN
                    DECREASING TO 2400 FT AGL LATE IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 17 TO 25 MPH.
MIXING TEMP 1700FT..54.
SMOKE DISPERSAL.....POOR /10800 KNOT-FT/ AT IGNITION. MAX...GOOD
                    /41600 KNOT-FT/ INCREASING TO GOOD TO EXCELLENT
                    (37300-79300 KNOT-FT).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........0   4   12  16  27  49  60  62  69  72  74  77
WEATHER COV.....
WEATHER TYPE....
TEMP............35  38  41  47  51  54  56  58  59  59  58  56
RH..............72  73  70  58  50  43  40  36  34  34  37  43
20 FT WIND DIR..270 270 270 270 270 270 270 270 260 250 240 210
20 FT WIND SPD..4   5   5   6   7   8   9   9   8   7   6   5
20 FT WIND GUST.5       10  10  15  20  20  20  20  15  15  10
MIX HGT (KFT)...0.3 0.5 0.8 1.0 2.0 2.9 3.8 4.0 4.3 4.5 3.4 2.4
TRANSP WIND DIR.310 300 300 300 290 280 280 270 270 270 260 240
TRANSP WIND SPD.25  24  24  24  24  24  24  22  20  18  17  18
CWR.............0   0   0   0   0   0   0   0   10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
VRATE KT-FT/10005   11  16  22  42  62  79  77  72  70  52  37

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF LIGHT RAIN EARLY IN THE
                    EVENING.
TEMPERATURE.........MIN 41.
RH..................MAX 79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 14 MPH WITH GUSTS TO
                    AROUND 25 MPH.
CHANCE OF PCPN......10 PERCENT.
LAL.................NO TSTMS.
MIXING HEIGHT.......300-1300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 26 MPH INCREASING TO 32 TO 41
                    MPH EARLY IN THE EVENING...THEN SHIFTING TO THE
                    NORTHWEST 35 TO 44 MPH LATE IN THE EVENING
                    DECREASING TO AROUND 33 MPH EARLY IN THE
                    MORNING.
MIXING TEMP 1700FT..MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (5700-23500 KNOT-FT).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........78  72  59  52  49  44  41  39  37  35  33  29
WEATHER COV.....SCH SCH SCH
WEATHER TYPE....RN  RN  RN
TEMP............54  54  54  53  52  51  50  49  47  46  44  42
RH..............50  52  54  57  59  61  61  63  71  73  76  79
20 FT WIND DIR..190 200 210 210 220 230 240 250 270 280 290 320
20 FT WIND SPD..4   5   6   9   10  11  11  11  10  10  9   9
20 FT WIND GUST.5   10  15  20  20  20  25  20  20  20  20  15
MIX HGT (KFT)...1.3 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.230 230 240 240 250 260 260 270 290 290 300 320
TRANSP WIND SPD.21  26  32  38  41  44  44  43  39  36  35  33
CWR.............20  20  20  10  10  10  10  10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
VRATE KT-FT/100024  6   7   8   9   10  10  9   9   8   9   9

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 53.
RH..................MIN 50 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................NO TSTMS.
MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 2600-4500 FT AGL
                    IN THE LATE MORNING AND EARLY AFTERNOON...THEN
                    INCREASING TO 3700-5200 FT AGL DECREASING TO
                    2100 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 25 TO 31 MPH DECREASING TO 5 TO 9 MPH.
MIXING TEMP 1700FT..45.
SMOKE DISPERSAL.....POOR TO GOOD (8800-49500 KNOT-FT).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........26  27  28  28  28  27  26  26  24  23  24  25
WEATHER COV.....
WEATHER TYPE....
TEMP............41  41  42  44  46  48  50  52  53  53  51  48
RH..............82  82  82  79  73  65  61  54  50  50  54  60
20 FT WIND DIR..330 330 340 340 340 340 340 350 000 010 020 040
20 FT WIND SPD..8   8   8   8   8   9   9   8   7   6   6   6
20 FT WIND GUST.15  15  15  15  20  20  20  20  15  15  15  15
MIX HGT (KFT)...0.4 1.1 1.9 2.6 3.1 3.6 4.1 4.5 4.8 5.2 3.7 2.1
TRANSP WIND DIR.320 330 350 000 000 350 350 340 330 320 330 000
TRANSP WIND SPD.31  29  25  21  18  15  13  12  9   8   7   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
VRATE KT-FT/100010  27  40  49  50  48  46  43  41  37  20  9

$$
FORECASTER...RODRIGUEZ
REQUESTED BY...ROBB CHAPMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150330.HEALY.01/LOT


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