Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 272329
FWSDMX

SPOT FORECAST FOR SIEVERS WRP...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
629 PM CDT MON APR 27 2015

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 28.
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...

SKIES WILL REMAIN CLEAR THROUGH TUESDAY WITH LIGHT WINDS TONIGHT
AND A MODEST INCREASE IN NORTH WINDS BY LATE MORNING ON TUESDAY.
RELATIVE HUMIDITY VALUES IN THE 20 TO 30 PERCENT RANGE BY MID
AFTERNOON.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........20 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 9700 FT AGL.
MIXING WINDS........NORTH 5 TO 14 MPH INCREASING TO AROUND 15 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (900-13300 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (101700-118300 KNOT-FT).
WIND (20 FT)........NORTH WINDS 5 TO 12 MPH.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........26  31  41  46  48
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............71  72  73  73  73
RH..............23  22  21  20  22
20 FT WIND DIR..N   N   N   N   N
20 FT WIND SPD..9   9   10  10  12
20 FT WIND GUST.10  10  15  15  15
EYE LVL WND DIR.N   N   N   N   N
EYE LVL WND SPD.6   6   7   7   9
EYE LVL WND GST.10  10  15  15  15
MIX HGT (KFT)...8.4 8.8 9.2 9.7 9.4
MIXNG WIND DIR..N   N   N   N   N
MIXNG WIND SPD..10  12  13  14  15
HAINES INDEX....5   5   5   5   5

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 7 TO 13 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......9100 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........NORTHWEST 6 TO 15 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (58400-115700 KNOT-FT)
                    DECREASING TO POOR TO FAIR (1100-22000 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 7 TO 13 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........50     46     28     28     27     26
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............72     65     56     50     47     43
RH..............26     38     59     77     83     96
20 FT WIND......N 13   N 12   N 8    N 8    N 7    N 7
20 FT WIND GUST.15     15     10     10
EYE LEVEL WIND..N 9    N 9    N 6    N 6    N 5    N 5
EYE LVL WND GST.15     15     10     10
MIX HGT (FT)....9100   6000   300    300    300    300
MIXNG WIND......N 15   N 12   N 6    N 6    N 7    NW 6
HAINES INDEX....5      5      5      4      4      4

.WEDNESDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........18 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 6 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 9300 FT AGL.
MIXING WINDS........NORTH 5 TO 13 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1100-13300 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (87300-93900 KNOT-FT).
WIND (20 FT)........NORTH WINDS 6 TO 12 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........25        22        16        14
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............40        55        67        73
RH..............100       59        33        19
20 FT WIND......N 6       N 7       N 10G15   N 10G15
EYE LEVEL WIND..N 4G5     N 5       N 7G15    N 7G15
MIX HGT (FT)....300       3600      7000      8800
MIXNG WIND......N 5       N 10      N 13      N 12
HAINES INDEX....3         4         5         5

$$
FORECASTER...BEERENDS
REQUESTED BY...JEFF FEISEL
TYPE OF REQUEST...PRESCRIBED
.TAG 20150427.SIEVE.01/DMX


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