Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 041256
FWSDMX

SPOT FORECAST FOR BRIGHTS-LAKE...IA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
756 AM CDT WED MAY 4 2016

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED...
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...

MOSTLY SUNNY AND DRY CONDITIONS WILL PREVAIL TODAY. THE WIND WILL
BE BREEZY FROM THE NORTH TO NORTHWEST WITH A FEW GUSTS NEAR 25 MPH
POSSIBLE. RELATIVE HUMIDITY VALUES BY THIS AFTERNOON WILL DROP TO
NEAR 30 PERCENT. HIGH PRESSURE WILL ARRIVE ON THURSDAY AND BRING
VARIABLE WINDS IN THE MORNING THEN BECOMING MORE STEADY FROM THE
WEST TO SOUTHWEST BY THE AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 9 TO 18 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 6400 FT AGL.
MIXING WINDS........NORTH 7 TO 13 MPH INCREASING TO 18 TO 24 MPH IN
                    THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (1800-17300 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (115800-128900 KNOT-FT).
WIND (20 FT)........NORTH WINDS 9 TO 18 MPH.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5   6   8   9   8   4   3   2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............52  55  57  59  60  60  61  62
RH..............52  45  40  37  36  36  35  32
20 FT WIND DIR..N   N   NNW NNW NNW NNW NNW NNW
20 FT WIND SPD..14  15  17  18  18  18  17  16
20 FT WIND GUST.20  20  25  25  25  25  25  25
EYE LVL WND DIR.N   N   NNW NNW NNW NNW NNW NNW
EYE LVL WND SPD.10  11  12  13  13  13  12  11
EYE LVL WND GST.20  20  25  25  25  25  25  25
MIX HGT (KFT)...4.3 4.9 5.4 5.9 6.1 6.3 6.4 6.2
MIXNG WIND DIR..N   N   N   NNW NNW NNW NNW NNW
MIXNG WIND SPD..23  24  24  24  24  24  23  23
HAINES INDEX....4   4   4   4   4   5   5   5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........73 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 14 MPH IN THE EVENING BECOMING
                    LIGHT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5900 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........NORTH 16 TO 23 MPH BECOMING NORTHEAST 3 TO 9
                    MPH IN THE LATE EVENING AND EARLY
                    MORNING...THEN SHIFTING TO THE SOUTHEAST AROUND
                    3 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (52700-116900 KNOT-FT)
                    DECREASING TO POOR TO FAIR (600-17100 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 5 TO 14 MPH IN THE EVENING BECOMING
                    LIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........2      1      3      4      5      7
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............62     57     50     47     45     43
RH..............32     38     54     60     65     70
20 FT WIND......NNW 14 N 9    N 5    N 3    NNE 3  SSE 2
20 FT WIND GUST.20     10            5      5
EYE LEVEL WIND..NNW 10 N 6    N 4    N 2    NNE 2  SSE 1
EYE LVL WND GST.20     10            5      5
MIX HGT (FT)....5900   3900   300    300    300    300
MIXNG WIND......NNW 23 NNW 16 NNW 5  N 3    NNE 3  SE 3
HAINES INDEX....5      5      5      4      4      4

.THURSDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........31 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 5 TO 10 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 4000 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (900-33200 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........15        19        17        10
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............41        51        64        71
RH..............73        54        37        31
20 FT WIND......S 3G5     SSW 6     SW 7      WSW 9G10
EYE LEVEL WIND..S 2G5     SSW 4G5   SW 5      WSW 6G10
MIX HGT (FT)....300       1000      2900      3900
MIXNG WIND......SSE 5     SSW 6     WSW 8     W 9
HAINES INDEX....4         4         5         5

$$
FORECASTER...VACHALEK
REQUESTED BY...ALEX FOSADO
TYPE OF REQUEST...PRESCRIBED
.TAG 20160504.BRIGH.01/DMX


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