Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 212219
FWSDMX

Spot Forecast for Ringgold North...Iowa DNR
National Weather Service Des Moines IA
419 PM CST Tue Feb 21 2017

Forecast is based on ignition time of 1000 CST on February 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...

Southwest surface winds will increase during the morning into
midday as mixing deepens. Relative humidity values will start out
from 70 to 80 percent around sunrise but as the mixing increases,
values will drop to around 30 percent by mid afternoon. Surface
winds will shift during the afternoon from southwest to west
northwest by late afternoon.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Temperature.........Min 43.
RH..................Max 76 percent.
Eye level winds.....Southwest winds 6 to 8 mph.
Wind (20 ft)........Southwest winds 6 to 8 mph.
Mixing height.......300-600 ft AGL.
Transport winds.....Southwest 6 to 9 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 (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1   1   1   2   2   3   4   4   5   6   6   7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............61  57  55  53  52  51  50  49  48  47  46  45
RH..............39  45  49  52  54  56  58  61  63  65  68  70
20 FT WIND DIR..S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT WIND SPD..6   6   7   7   7   8   8   8   8   8   8   8
20 FT WIND GUST.10  10  10  10  15  15  15  15  15  15  15  15
EYE LVL WND DIR.S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
EYE LVL WND SPD.4   4   4   4   4   5   5   5   5   5   5   5
EYE LVL WND GST.10  10  10  10  15  15  15  15  15  15  15  15
MIX HGT (KFT)...0.6 0.5 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
MIXNG WIND DIR..S   S   S   S   S   SW  SW  SW  SW  SW  SW  SW
MIXNG WIND SPD..6   6   7   7   7   7   7   8   8   9   9   9
HAINES INDEX....5   5   4   4   4   4   4   4   4   4   4   4

.WEDNESDAY...

Sky/weather.........Sunny (10-20 percent).
Temperature.........Max 74.
RH..................Min 29 percent.
Eye level winds.....West winds 8 to 14 mph.
Wind (20 ft)........West winds 8 to 14 mph with gusts to around 25
                    mph.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9   13  17  18  16  12  9   9   11  13  13  10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44  44  47  53  59  66  69  70  73  73  69  67
RH..............73  76  68  59  49  38  33  32  29  29  33  36
20 FT WIND DIR..SW  SW  SW  SW  SW  SW  SW  SW  SW  W   W   W
20 FT WIND SPD..8   8   9   10  12  13  14  14  14  13  12  9
20 FT WIND GUST.15  15  15  15  20  25  25  25  20  20  15  15
EYE LVL WND DIR.SW  SW  SW  SW  SW  SW  SW  SW  SW  W   W   W
EYE LVL WND SPD.5   5   5   6   7   8   8   8   8   8   7   5
EYE LVL WND GST.15  15  15  15  20  25  25  25  20  20  15  15

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    mostly cloudy (55-65 percent).
Temperature.........Min 42.
RH..................Max 79 percent.
Eye level winds.....Northeast winds 7 to 9 mph.
Wind (20 ft)........Northeast winds 7 to 9 mph.

TIME (CST)      6 PM      9 PM      MIDNGT    3 AM
SKY (%).........9         7         17        47
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............61        54        48        44
RH..............46        57        68        76
20 FT WIND......W 8G10    NW 7      N 7       N 8G10
EYE LEVEL WIND..W 5G10    NW 4G5    N 4G5     N 5G10

.THURSDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    in the morning, then rain likely in the
                    afternoon.
Temperature.........Max 57.
RH..................Min 57 percent.
Eye level winds.....East winds 10 to 16 mph.
Wind (20 ft)........East winds 10 to 16 mph.

TIME (CST)      6 AM         10 AM        2 PM
SKY (%).........72           84           85
WEATHER COV.....CHANCE       CHANCE       LIKELY
WEATHER TYPE....RAIN         RAIN         RAIN
TSTM COV........
TEMP............42           47           56
RH..............79           71           57
20 FT WIND......NE 10G15     E 16G25      E 16G25
EYE LEVEL WIND..NE 6G15      E 10G25      E 10G25

$$
Forecaster...Cogil
Requested by...Natural Resource Tech 2
Type of request...PRESCRIBED
.TAG 1702512.0/DMX
.EMAIL josh.rusk@dnr.iowa.gov



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