Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 212141
FWSDMX

Spot Forecast for Jason smith...Iowa DNR-USFWS
National Weather Service Des Moines IA
441 PM CDT Fri Apr 21 2017

Forecast is based on ignition time of 1700 CDT on April 21.
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...

Fair weather is expected this evening with nothing beyond high
cloudiness. Winds will remain northeast and slowly diminish into
the early evening hours with mixing levels decreasing as well.

Sky/weather.........Mostly sunny (40-50 percent).
Max temperature.....Around 59.
Min humidity........44 percent.
Eye level winds.....Northeast winds around 10 mph.
Wind (20 ft)........Northeast winds around 10 mph.
Mixing height.......6500 ft AGL.
Transport winds.....North around 14 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      5PM
SKY (%).........47
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59
RH..............45
20 FT WIND DIR..NE
20 FT WIND SPD..10
20 FT WIND GUST.15
EYE LVL WND DIR.NE
EYE LVL WND SPD.6
EYE LVL WND GST.15
MIX HGT (KFT)...6.5
MIXNG WIND DIR..N
MIXNG WIND SPD..14
HAINES INDEX....4

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....Around 36.
Max humidity........92 percent.
Eye level winds.....Northeast winds 6 to 10 mph.
Wind (20 ft)........Northeast winds 6 to 10 mph.
Mixing height.......5300-5900 ft AGL decreasing to 300 ft AGL.
Transport winds.....Northeast 9 to 18 mph shifting to the north 3
                    to 6 mph in the late evening and overnight.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........46  48  42  38  34  31  28  26  27  29  30  21
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57  56  53  50  48  46  43  41  41  40  38  37
RH..............51  53  59  66  71  73  82  85  82  85  89  92
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..10  9   8   7   6   6   6   6   6   6   6   6
20 FT WIND GUST.15  10  10
EYE LVL WND DIR.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
EYE LVL WND SPD.6   5   5   4   4   4   4   4   4   4   4   4
EYE LVL WND GST.15  10  10
MIX HGT (KFT)...5.9 5.3 3.6 1.9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
MIXNG WIND DIR..N   N   NE  NE  NE  NE  NE  NE  NE  N   N   N
MIXNG WIND SPD..17  18  15  9   5   3   5   6   6   5   5   5
HAINES INDEX....4   4   4   4   4   4   5   5   5   5   5   5

.SATURDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 64.
Min humidity........30 percent.
Eye level winds.....North winds 5 to 8 mph.
Wind (20 ft)........North winds 5 to 8 mph.
Mixing height.......300-1400 ft AGL increasing to 5000-5500 ft AGL.
Transport winds.....Northeast 3 to 9 mph.
Haines Index........4 to 6 or low potential for large plume
                    dominated fire growth to or high potential for
                    large plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........17     6      3      4      3      1
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............36     41     51     57     61     64
RH..............92     79     59     43     35     30
20 FT WIND......NE 5   NE 5   NE 7   NE 8   NE 8   N 7
20 FT WIND GUST.                     10     10
EYE LEVEL WIND..NE 3   NE 3   NE 4   NE 5   NE 5   N 4
EYE LVL WND GST.                     10     10
MIX HGT (FT)....300    600    1400   3800   5200   5500
MIXNG WIND......N 5    N 6    NE 8   NE 9   NE 8   NE 5
HAINES INDEX....4      4      4      5      6      5

$$
Forecaster...Small
Requested by...Alex Fosado
Type of request...PRESCRIBED
.TAG 1707433.0/DMX
.EMAIL Alex.fosado@dnr.iowa.gov



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