Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 221202
FWSDMX

Spot Forecast for Granger FD R/X training...Iowa DNR
National Weather Service Des Moines IA
702 AM CDT Sun Apr 22 2018

Forecast is based on ignition time of 0900 CDT on April 22.
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...

Outside of somewhat warmer temperatures, conditions across
southern Iowa should be very similar to Saturday with some
cloudiness but no precipitation. Winds are expected to remain
easterly with seasonal humidities, mixing levels and wind speeds.

.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....Around 65.
Min humidity........36 percent.
Wind (20 ft)........East winds around 10 mph.
Mixing height.......900-2200 ft AGL increasing to 3200-5000 ft AGL
                    in the afternoon.
Transport winds.....East 12 to 17 mph.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth or moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........78  68  58  53  48  43  42  42  41
Weather cov.....
Weather type....
Tstm cov........
Temp............48  51  54  58  60  63  64  65  65
RH..............58  50  45  39  37  34  32  30  29
20 FT wind dir..E   E   E   E   E   E   E   E   E
20 FT wind spd..10  10  10  10  10  10  10  10  10
20 FT wind gust.
Mix hgt (kft)...0.9 1.2 2.2 3.2 4.2 4.5 4.7 5.0 4.6
Transp wind dir.E   E   E   E   E   E   E   E   E
Transp wind spd.14  16  17  17  16  15  13  12  13
Haines index....5   5   5   5   5   5   4   4   4

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 39.
Max humidity........82 percent.
Wind (20 ft)........Northeast winds 5 to 10 mph.
Mixing height.......2700-4200 ft AGL decreasing to 300-1500 ft AGL
                    in the late evening and overnight.
Transport winds.....Northeast 6 to 14 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........39     35     25     21     25     31
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............64     60     55     51     48     42
RH..............31     36     47     54     60     79
20 ft wind......E 10   E 7    NE 6   NE 6   NE 5   NE 5
20 ft wind gust.
Mix hgt (ft)....4200   2700   300    300    300    300
Transport wind..E 14   E 12   E 7    E 6    NE 6   NE 6
Haines index....5      5      5      5      5      5

$$
Forecaster...Small
Requested by...KarlHarris
Type of request...PRESCRIBED
.TAG 1807309.0/DMX
.EMAIL karl.harris@dnr.iowa.gov



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