Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 271337
FWSDMX

SPOT FORECAST FOR HARRIER MARSH...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
837 AM CDT FRI MAR 27 2015

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 27.
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...

HIGH PRESSURE WILL DOMINATE THE AREA THIS MORNING. WINDS WILL REMAIN
LIGHT THROUGH THE DAY WITH MAINLY HIGH CLOUDS APPROACHING LATE MORNING
THROUGH EARLY AFTERNOON AND OVERCAST BY MID AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
TEMPERATURE.........30 AT IGNITION...MAX 41.
RH..................51 PERCENT AT IGNITION...MIN 30 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 9 MPH UNTIL LATE AFTERNOON
                    BECOMING LIGHT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 5300 FT AGL.
MIXING WINDS........NORTHWEST 1 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (2200-30600 KNOT-FT).
WIND (20 FT)........WINDS NORTH AT 7 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 5 TO 9 MPH UNTIL LATE AFTERNOON
                    BECOMING LIGHT.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15  22  25  31  43  49  53
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............30  32  35  37  40  41  41
RH..............51  45  38  35  31  30  31
20 FT WIND DIR..N   N   N   N   NW  NW  N
20 FT WIND SPD..7   6   6   5   5   3   3
20 FT WIND GUST.10  10  10          5   5
EYE LVL WND DIR.N   N   N   N   NW  NW  N
EYE LVL WND SPD.5   4   4   4   4   2   2
EYE LVL WND GST.10  10  10          5   5
MIX HGT (KFT)...4.1 4.5 4.8 5.0 5.1 5.3 5.1
MIXNG WIND DIR..N   N   N   N   NW  NW  W
MIXNG WIND SPD..8   7   6   3   2   1   1
HAINES INDEX....3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
                    SNOW AFTER MIDNIGHT. CHANCE OF SNOW AFTER
                    MIDNIGHT...THEN SLIGHT CHANCE OF SNOW EARLY IN
                    THE MORNING.
TEMPERATURE.........MIN 27.
RH..................MAX 81 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4900 FT AGL DECREASING TO 1700 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHEAST 3 TO 12 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1800-18900 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN
                    THE LATE EVENING AND OVERNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........61     67     76     85     87     85
WEATHER COV.....                     S CHC  CHANCE S CHC
WEATHER TYPE....NONE   NONE   NONE   SNOW   SNOW   SNOW
TSTM COV........
TEMP............40     35     33     31     30     29
RH..............34     43     49     61     69     75
20 FT WIND......E 2    SE 2   SE 5   SE 6   SE 7   SE 8
20 FT WIND GUST.5                                  10
EYE LEVEL WIND..E 1    SE 1   SE 4   SE 4   SE 5   SE 6
EYE LVL WND GST.5                                  10
MIX HGT (FT)....4900   3200   300    300    300    300
MIXNG WIND......SW 3   S 6    SE 8   S 9    S 12   SE 12
HAINES INDEX....3      3      3      2      2      3

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
TEMPERATURE.........MAX 46.
RH..................MIN 47 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 8 TO 15 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 5300 FT AGL.
MIXING WINDS........SOUTH 10 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (2300-58700 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (63100-73800 KNOT-FT)
                    LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 8 TO 15 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........83        70        43        36
WEATHER COV.....S CHC
WEATHER TYPE....SNOW      NONE      NONE      NONE
TSTM COV........
TEMP............28        30        40        45
RH..............78        78        55        47
20 FT WIND......SE 8G10   SE 9G10   SE 14G20  S 15G20
EYE LEVEL WIND..SE 6G10   SE 6G10   SE 10G20  S 11G20
MIX HGT (FT)....300       1600      3800      5100
MIXNG WIND......SE 10     SE 13     S 14      S 14
HAINES INDEX....2         2         2         2

$$
FORECASTER...PODRAZIK
REQUESTED BY...JOSH GANSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150327.HARRI.01/DMX


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