033
FNUS73 KOAX 151303
FWSOAX

Spot Forecast for Hitchcock South...Pottawattamie County Conservation
National Weather Service Omaha/Valley NE
703 AM CST Fri Nov 15 2024

Forecast is based on ignition time of 0900 CST on November 15.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Fire weather danger will remain relatively low today. Winds will
be out of the south/southeast today, reaching speeds of 10-15 mph
this afternoon. Gusts could reach 15-20 mph at times. Minimum
relative humidity will rang from 50-60%.

Strongest Possible Wind Speeds on Day of Burn: 25-30 mph

Lowest Possible Relative Humidity on Day of Burn: 40 percent

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Temperature.........42 at ignition...Max 60.
RH..................86 percent at ignition...Min 58 percent.
Eye level winds.....Light winds becoming southeast up to 8 mph with
                    gusts to around 13 mph in the late morning and
                    afternoon.
Surface winds (mph).Light winds becoming southeast 6 to 13 mph with
                    gusts to around 21 mph in the late morning and
                    afternoon.
Wind (20 ft)........Winds southeast at 4 mph at
                    ignition...otherwise Light winds becoming
                    southeast 5 to 12 mph with gusts to around 17
                    mph in the late morning and afternoon.
Mixing height.......400 ft AGL at ignition...otherwise 1700 ft AGL.
Transport winds.....South 8 to 17 mph.
Smoke dispersal.....Poor /2600 knot-ft/ at ignition. Max...fair
                    /21300 knot-ft/.
GFDI................3.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 5.

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (30-40 percent).
Temperature.........Min 43.
RH..................Max 85 percent.
Eye level winds.....South winds 7 to 8 mph. Gusts up to 23 mph
                    overnight.
Surface winds (mph).South winds 11 to 14 mph. Gusts up to 23 mph
                    overnight.
Wind (20 ft)........Southeast winds 10 to 12 mph. Gusts up to 23
                    mph overnight.
Mixing height.......400 ft AGL.
Transport winds.....South 20 to 22 mph.
Smoke dispersal.....Poor (7200 knot-ft).
GFDI................4.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.SATURDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Temperature.........Max 61.
RH..................Min 63 percent.
Eye level winds.....South winds 7 to 11 mph with gusts to around 16
                    mph.
Surface winds (mph).South winds 11 to 19 mph with gusts to around
                    26 mph.
Wind (20 ft)........South winds 10 to 16 mph with gusts to around
                    21 mph.
Mixing height.......3000 ft AGL.
Transport winds.....South 23 to 32 mph decreasing to around 20 mph
                    late in the afternoon.
Smoke dispersal.....Poor (9500 knot-ft) early in the morning
                    increasing to excellent (72800 knot-ft) in the
                    afternoon.
GFDI................6.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy. Lows in the upper 30s. Highs in the lower 50s.
West winds around 5 mph.
.MONDAY...
Showers. Lows in the upper 30s. Highs in the mid 50s. Light
winds.
.TUESDAY...
Mostly cloudy. Showers. Lows in the lower 40s. Highs in the upper
40s. West winds around 11 mph.

$$
Forecaster...KG
Requested by...chad graeve
Type of request...PRESCRIBED
.TAG 2426665.0/OAX
.DELDT 11/15/24
.FormatterVersion 2.0.0
.EMAIL chad.graeve@pottcounty-ia.gov