Suppression Forecast
Issued by NWS Des Moines, IA

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
281
FNUS73 KDMX 251328
FWSDMX

SPOT FORECAST FOR HARMON LAKE...IA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
828 AM CDT MON APR 25 2016

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 25.
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...
DRY WEATHER RETURNS TO THE AREA TODAY. ANOTHER STORM WITH WETTING
RAINFALL WILL ARRIVE TUESDAY NIGHT INTO WEDNESDAY...CONTINUING
INTO THURSDAY. AFTER A BRIEF BREAK FRIDAY ANOTHER STORM WILL
AFFECT THE REGION WITH WETTING RAINFALL NEXT WEEKEND. IT WILL
BE BREEZY AND MILD THIS MONDAY AFTERNOON WITH LIGHTER WINDS
AND COOLER TEMPERATURES TUESDAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
                    PARTLY SUNNY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........47 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 14 TO 15 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 6600 FT AGL.
MIXING WINDS........WEST 16 TO 22 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (10900-42900 KNOT-FT) INCREASING
                    TO EXCELLENT TO EXCELLENT (67300-106900
                    KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........WEST WINDS 14 TO 15 MPH.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72  75  63  70  70  61
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............64  65  66  67  69  70
RH..............67  64  60  56  51  47
20 FT WIND DIR..WSW WSW WSW W   W   W
20 FT WIND SPD..15  15  15  15  15  15
20 FT WIND GUST.20  20  20  20  20  20
EYE LVL WND DIR.WSW WSW WSW W   W   W
EYE LVL WND SPD.11  11  11  11  11  11
EYE LVL WND GST.20  20  20  20  20  20
MIX HGT (KFT)...3.8 4.9 5.5 6.1 6.6 6.1
MIXNG WIND DIR..WSW WSW W   W   W   W
MIXNG WIND SPD..21  22  22  21  18  16
HAINES INDEX....4   4   4   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT).
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........86 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 15 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5500 FT AGL DECREASING TO 2800 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........NORTH 12 TO 16 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (19200-63500 KNOT-FT).
WIND (20 FT)........NORTH WINDS 8 TO 15 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........52     48     55     64     68     72
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............69     64     61     57     53     49
RH..............49     52     67     75     80     83
20 FT WIND......W 15   WNW 12 NW 8   NNW 8  NNW 8  N 8
20 FT WIND GUST.20     15     10     10     10     10
EYE LEVEL WIND..W 11   WNW 9  NW 6   NNW 6  NNW 6  N 6
EYE LVL WND GST.20     15     10     10     10     10
MIX HGT (FT)....5500   3900   1700   1500   1400   1500
MIXNG WIND......W 14   W 12   WNW 14 NNW 15 N 16   N 16
HAINES INDEX....4      4      3      3      3      2

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........52 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 7 TO 16 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 3400 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........EAST 7 TO 15 MPH INCREASING TO AROUND 17 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR TO GOOD (13600-48400 KNOT-FT).
WIND (20 FT)........EAST WINDS 7 TO 16 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........76        75        70        67
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............48        51        58        63
RH..............83        77        64        54
20 FT WIND......N 7       NNE 8G10  ENE 10G15 E 14G20
EYE LEVEL WIND..N 5       NNE 6G10  ENE 7G15  E 10G20
MIX HGT (FT)....1400      2000      3000      3400
MIXNG WIND......N 14      NNE 8     E 8       E 13
HAINES INDEX....3         3         4         4

$$
FORECASTER...BEERENDS
REQUESTED BY...ALEX FOSADO
TYPE OF REQUEST...PRESCRIBED
.TAG 20160425.HARMO.01/DMX



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.