Suppression Forecast
Issued by NWS La Crosse, WI

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000
FNUS73 KARX 181342
FWSARX

SPOT FORECAST FOR TNWR UNIT C...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE LA CROSSE WI
842 AM CDT FRI APR 18 2014

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE IN LA CROSSE.

.DISCUSSION... A RIDGE OF HIGH PRESSURE OVER WISCONSIN THIS
MORNING WILL DRIFT EAST THROUGH THE DAY. AS IT DOES...SOME MID
LEVEL CLOUDS ARE GOING TO SPREAD ACROSS THE BURN SITE THROUGH
THE MORNING AND EARLY AFTERNOON HOURS. LIGHT AND VARIABLE WINDS
THIS MORNING WILL BECOME EAST TO SOUTHEAST THROUGH THE AFTERNOON.
WITH MIXING TO AROUND 4000 FT THIS AFTERNOON...MINIMUM HUMIDITIES
WILL DROP TO AROUND 35 PERCENT. THE HIGH WILL CONTINUE TO MOVE
EAST TONIGHT. A COLD FRONT IS GOING TO MOVE INTO THE EASTERN
DAKOTAS TONIGHT THEN INTO WESTERN MINNESOTA ON SATURDAY. A TIGHTER
PRESSURE GRADIENT AHEAD OF THE FRONT WILL SPREAD ACROSS THE AREA
FOR LATER TONIGHT AND SATURDAY. WINDS WILL BECOMING STEADY SOUTHEAST
TONIGHT...TO KEEP THE BOUNDARY LAYER MIXED AND MAXIMUM HUMIDITIES
IN THE 70-80 PERCENT RANGE. WITH DIURNAL MIXING TO AROUND 5000 FT
ON SATURDAY SOUTHEAST WINDS WILL INCREASE TO AROUND 15 MPH GUSTING
25-30 MPH. SOME MOISTURE IS GOING TO SPREADING NORTH AHEAD OF THE
FRONT SATURDAY...WITH MINIMUM AFTERNOON HUMIDITIES IN THE 30 TO 40
PERCENT RANGE.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. PATCHY FOG EARLY IN THE MORNING.
TEMPERATURE.........38 AT IGNITION...MAX 54.
RH..................68 PERCENT AT IGNITION...MIN 35.
WIND (20 FT)........WINDS NORTHWEST AT 1 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    NORTHEAST AROUND 5 MPH LATE IN THE
                    MORNING...THEN SHIFTING TO THE EAST EARLY IN
                    THE AFTERNOON INCREASING TO 5 TO 6 MPH TOWARD
                    EVENING.
CWR.................NONE.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR /10500 KNOT-FT/ AT IGNITION.MAX...GOOD
                    /39800 KNOT-FT/.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (% OPAQUE)..71     71     60     57     57     63
WEATHER COV.....PATCHY PATCHY
WEATHER TYPE....FOG    FOG    NONE   NONE   NONE   NONE
TEMP............29     38     45     50     53     54
RH..............88     68     51     44     36     36
20 FT WIND......NW 1   NW 1   NE 5   E 5    E 5    E 5
20 FT WIND GUST.
HAINES INDEX....4      4      4      4      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 37.
RH..................MAX 75 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 9 MPH.
CWR.................NONE.
HAINES INDEX........MAX 5.
SMOKE DISPERSAL.....MIN...POOR /3000 KNOT-FT/.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (% OPAQUE)..63     63     54     45     45     40
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............52     47     42     40     39     37
RH..............43     49     60     67     67     72
20 FT WIND......E 6    E 6    SE 7   SE 8   SE 8   SE 8
20 FT WIND GUST.10     10     10     15     15     15
HAINES INDEX....5      5      5      4      4      4

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 68.
RH..................MIN 40 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH. GUSTS UP TO 30 MPH.
CWR.................NONE.
HAINES INDEX........MAX 4.
SMOKE DISPERSAL.....MAX...EXCELLENT /133800 KNOT-FT/.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (% OPAQUE)..41     41     47     57     57     72
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............38     45     54     62     67     68
RH..............73     55     46     44     40     42
20 FT WIND......SE 14  SE 14  S 16   S 15   S 15   S 15
20 FT WIND GUST.25     25     30     25     25     25
HAINES INDEX....3      2      3      4      4      4

$$
FORECASTER...RS
REQUESTED BY...DAN LABER
TYPE OF REQUEST...PRESCRIBED
.TAG 20140418.TNWRU.01/ARX



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