Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 231326
FWSDMX

Spot Forecast for NVFC Northwood...NVFC
National Weather Service Des Moines IA
826 AM CDT Sun Apr 23 2017

Forecast is based on ignition time of 1100 CDT on April 23.
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...

Winds will increase from the southwest today as high pressure
exits the state. A few gusts of 18 to 20 mph will be possible by
this afternoon. Expect relative humidity values to drop below 30
percent by mid afternoon.

.TODAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 71.
Min humidity........27 percent.
Eye level winds.....Southwest winds 5 to 12 mph.
Wind (20 ft)........Southwest winds 5 to 12 mph.
Mixing height.......300-1500 ft AGL increasing to 5300-6100 ft AGL.
Transport winds.....Southwest 6 to 14 mph increasing to 14 to 18
                    mph in the late morning and afternoon.
Haines Index........5 to 6 or moderate potential for large plume
                    dominated fire growth to or high potential for
                    large plume dominated fire growth.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12  11  15  17  19  22  21
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............61  65  67  68  70  71  71
RH..............42  35  32  31  27  27  27
20 FT WIND DIR..SW  SW  SW  SW  SW  SW  S
20 FT WIND SPD..8   9   10  12  12  12  10
20 FT WIND GUST.10  15  15  15  15  15  15
EYE LVL WND DIR.SW  SW  SW  SW  SW  SW  S
EYE LVL WND SPD.5   5   6   7   7   7   6
EYE LVL WND GST.10  15  15  15  15  15  15
MIX HGT (KFT)...4.7 5.3 5.9 6.0 6.1 6.1 5.6
MIXNG WIND DIR..W   SW  SW  SW  SW  SW  SW
MIXNG WIND SPD..16  15  14  15  16  17  18
HAINES INDEX....6   5   5   5   5   5   5

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Min temperature.....Around 47.
Max humidity........74 percent.
Eye level winds.....South winds 7 to 9 mph.
Wind (20 ft)........South winds 7 to 9 mph.
Mixing height.......4400-5000 ft AGL decreasing to 300 ft AGL.
Transport winds.....South 10 to 18 mph.
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)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........25     28     22     31     34     35
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............69     63     55     50     49     48
RH..............28     39     57     66     68     71
20 FT WIND......S 9    S 7    S 7    S 7    S 8    S 8
20 FT WIND GUST.15     10     10     10     10     10
EYE LEVEL WIND..S 5    S 4    S 4    S 4    S 5    S 5
EYE LVL WND GST.15     10     10     10     10     10
MIX HGT (FT)....5000   3000   300    300    300    300
MIXNG WIND......S 18   S 16   S 12   S 10   S 10   S 10
HAINES INDEX....5      5      5      4      4      4

$$
Forecaster...Donavon
Requested by...brett backhaus
Type of request...PRESCRIBED
.TAG 1707564.0/DMX
.EMAIL brett.backhaus@worthcounty.org



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