Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 291032
FWSDMX

SPOT FORECAST FOR WEST FORK...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
532 AM CDT WED APR 29 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 29.
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...
NORTH TO NORTHEAST WINDS WILL INCREASE TO 9 TO 13 MPH WITH A FEW
HIGHER GUSTS TO 16 MPH POSSIBLE AROUND IGNITION TIME. MAY SEE A
FEW FAIR WEATHER CUMULUS DEVELOP TOWARDS MIDDAY BETWEEN 5000-6000
FEET.

.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
TEMPERATURE.........61 AT IGNITION...MAX 70.
RH..................41 PERCENT AT IGNITION...MIN 19 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 9 TO 13 MPH.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 8800 FT AGL.
MIXING WINDS........NORTHEAST 8 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1600-49800 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (70000-117200 KNOT-FT)
                    IN THE AFTERNOON.
WIND (20 FT)........WINDS NORTH AT 12 MPH AT IGNITION...OTHERWISE
                    NORTHEAST WINDS 9 TO 13 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13  13  14  14  14  13  11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............61  64  66  68  69  70  70
RH..............41  30  26  23  21  19  22
20 FT WIND DIR..N   N   N   N   N   N   NE
20 FT WIND SPD..12  12  13  13  13  13  13
20 FT WIND GUST.15  15  15  15  15  15  15
EYE LVL WND DIR.N   N   N   N   N   N   NE
EYE LVL WND SPD.9   9   9   9   9   9   9
EYE LVL WND GST.15  15  15  15  15  15  15
MIX HGT (KFT)...4.8 5.9 7.0 7.6 8.2 8.8 8.7
MIXNG WIND DIR..N   N   N   NE  NE  NE  NE
MIXNG WIND SPD..12  14  15  15  15  15  15
HAINES INDEX....4   5   5   5   6   6   6

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
TEMPERATURE.........MIN 38.
RH..................MAX 89 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 12 MPH IN THE EVENING
                    BECOMING LIGHT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......8700 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........NORTHEAST 9 TO 16 MPH SHIFTING TO THE NORTHWEST
                    1 TO 6 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (61800-118300 KNOT-FT)
                    DECREASING TO POOR TO FAIR (300-23000 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 12 MPH IN THE EVENING
                    BECOMING LIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........9      7      7      7      7      7
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............70     63     52     46     44     42
RH..............22     31     52     65     68     73
20 FT WIND......NE 12  NE 9   NE 6   NE 3   E 2    SW 2
20 FT WIND GUST.15     15            5
EYE LEVEL WIND..NE 9   NE 6   NE 4   NE 2   E 1    SW 1
EYE LVL WND GST.15     15            5
MIX HGT (FT)....8700   5800   300    300    300    300
MIXNG WIND......NE 16  NE 13  N 6    NE 5   N 3    N 1
HAINES INDEX....5      5      6      5      4      4

.THURSDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
TEMPERATURE.........MAX 73.
RH..................MIN 25 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
                    THE MORNING...THEN SHIFTING TO THE EAST AROUND
                    6 MPH IN THE AFTERNOON.
HAINES INDEX........MISSING.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 8800 FT AGL.
MIXING WINDS........
SMOKE DISPERSAL.....POOR TO EXCELLENT (0-70600 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
                    THE MORNING...THEN SHIFTING TO THE EAST AROUND
                    6 MPH IN THE AFTERNOON.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........8         11        17        18
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............38        51        69        73
RH..............89        61        31        26
20 FT WIND......W 3G5     W 5       NE 6      E 6
EYE LEVEL WIND..W 2G5     W 4G5     NE 4G5    E 4G5
MIX HGT (FT)....300       1900      6800      8800
MIXNG WIND......M         M         M         M
HAINES INDEX....M         M         M         M

$$
FORECASTER...PODRAZIK
REQUESTED BY...ROB PATTERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20150429.WESTF.01/DMX



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