Suppression Forecast
Issued by NWS Omaha/Valley, NE
Issued by NWS Omaha/Valley, NE
Versions:
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044
FNUS73 KOAX 191412
FWSOAX
Spot Forecast for Tieville South...Iowa Department Of Natural Resources
National Weather Service Omaha/Valley NE
912 AM CDT Thu Jun 19 2025
Forecast is based on ignition time of 1100 CDT on June 19.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Fire danger concerns remain minimal for today resulting from the
greening up of vegetation. Winds at time of ignition will be at
around 12 mph or less from the southwest gusting up to 15 mph.
Wind gusts will increase after 12 pm, gusting up to 20-25 mph with
wind direction changing from southwesterly to southerly after 4
pm. Minimum RH will be in the 35-40% range.
Strongest Possible Wind Speeds on Day of Burn: 12 mph with gusts
up to 20-25 mph in the afternoon.
Lowest Possible Relative Humidity on Day of Burn: 35 to 40%
.REST OF TODAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 91.
Min humidity........38 percent.
Eye level winds.....South winds 5 to 8 mph. Gusts up to 21 mph late
in the afternoon.
Surface winds (mph).South winds 9 to 13 mph. Gusts up to 21 mph
late in the afternoon.
Wind (20 ft)........South winds 8 to 12 mph. Gusts up to 21 mph
late in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....Southwest 14 to 18 mph.
Smoke dispersal.....Good (32500 knot-ft) early in the morning
increasing to excellent (76800 knot-ft) in the
afternoon.
GFDI................0.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0 2 1 1 4 7 4
Weather cov.....
Weather type....
Tstm cov........
Temp............79 82 83 87 89 90 91
RH..............60 53 51 43 41 39 38
20 FT wind dir..SW SW SW SW S S S
20 FT wind spd..7 8 8 9 9 10 10
20 FT wind gust.11 12 14 14 16 16 17
Eye lvl wnd dir.SW SW SW SW S S S
Eye lvl wnd spd.5 6 6 7 7 8 8
Eye lvl wnd gst.8 9 10 11 12 12 13
Surface wnd dir.SW SW SW SW S S S
Surface wnd spd.9 10 10 11 11 13 13
Surface wnd gst.14 15 17 18 20 20 21
Mix hgt (kft)...2.9 3.8 4.6 4.9 5.0 5.5 4.6
Transp wind dir.SW SW SW SW SW S S
Transp wind spd.14 14 14 14 15 16 18
GFDI............0 0 0 0 0 0 0
SDspl kt-ft/100033 44 55 67 76 77 64
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent). Slight chance of
showers and thunderstorms in the late evening
and overnight. Chance of showers and
thunderstorms after 3 am.
Min temperature.....Around 71.
Max humidity........84 percent.
Eye level winds.....South winds 8 to 10 mph with gusts to around 15
mph.
Surface winds (mph).South winds 13 to 16 mph with gusts to around
25 mph.
Wind (20 ft)........South winds 12 to 14 mph with gusts to around
20 mph. Gusty and erratic winds expected near
thunderstorms in the late evening and
overnight.
Mixing height.......600 ft AGL.
Transport winds.....South 15 to 24 mph increasing to 23 to 25 mph
overnight.
Smoke dispersal.....Good (43700 knot-ft) early in the evening
decreasing to poor (10800 knot-ft) late in the
night.
GFDI................0.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3 3 13 26 16 20 17 16 18 21 20 8
Weather cov..... SCH SCH SCH SCH SCH CHC CHC
Weather type.... RW RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH SCH SCH CHC CHC
Temp............89 88 85 80 78 77 75 74 74 74 73 73
RH..............41 43 48 56 58 62 66 69 69 69 73 76
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..10 10 10 11 11 12 12 12 12 13 13 13
20 FT wind gust.17 16 17 17 18 18 19 20 19 19 20 20
Eye lvl wnd dir.S S S S S S S S S S S S
Eye lvl wnd spd.8 8 8 8 8 9 9 9 9 10 10 10
Eye lvl wnd gst.13 12 13 13 14 14 14 15 14 14 15 15
Surface wnd dir.S S S S S S S S S S S S
Surface wnd spd.13 13 13 14 14 15 15 15 15 16 16 16
Surface wnd gst.21 20 21 21 23 23 24 25 24 24 25 25
Mix hgt (kft)...3.8 1.7 0.6 0.6 0.6 0.6 0.7 0.8 0.8 0.7 0.7 0.8
Transp wind dir.S S S S S S S S S S S S
Transp wind spd.18 17 15 16 21 23 24 25 24 24 23 23
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDspl kt-ft/100044 26 17 12 11 12 15 17 17 15 14 11
.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 101.
Min humidity........33 percent.
Eye level winds.....South winds 10 to 15 mph. Gusts up to 32 mph
increasing to 37 mph late in the afternoon.
Surface winds (mph).South winds 16 to 25 mph. Gusts up to 32 mph
increasing to 37 mph late in the afternoon.
Wind (20 ft)........South winds 14 to 22 mph. Gusts up to 32 mph
increasing to 37 mph late in the afternoon.
Mixing height.......5800 ft AGL.
Transport winds.....Southwest 21 to 29 mph shifting to the south 31
to 38 mph late in the afternoon.
Smoke dispersal.....Poor (10200 knot-ft) early in the morning
increasing to excellent (80200 knot-ft) in the
afternoon increasing to excellent (117800
knot-ft) late in the afternoon.
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8 10 3 0 0 0 1 2 4 5 6 9
Weather cov.....
Weather type....
Tstm cov........
Temp............71 74 77 80 86 89 92 95 98 100 101 101
RH..............84 79 76 72 59 56 49 43 38 35 33 33
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..13 13 14 15 15 15 16 17 18 19 20 19
20 FT wind gust.20 20 22 23 23 23 25 26 28 29 30 30
Eye lvl wnd dir.S S S S S S S S S S S S
Eye lvl wnd spd.10 10 11 11 11 11 12 13 13 14 15 14
Eye lvl wnd gst.15 15 17 17 17 17 19 19 21 22 22 22
Surface wnd dir.S S S S S S S S S S S S
Surface wnd spd.16 16 18 19 19 19 20 21 23 24 25 24
Surface wnd gst.25 25 28 29 29 29 31 32 35 36 37 37
Mix hgt (kft)...0.8 0.8 1.9 2.4 2.9 3.1 3.4 3.6 4.4 5.3 5.8 5.3
Transp wind dir.S S S SW SW SW S SW S S S S
Transp wind spd.21 22 25 28 29 26 25 25 26 31 37 38
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SDspl kt-ft/100010 15 33 54 72 73 73 80 118 160 185 170
$$
Forecaster...Castillo
Requested by...Liam Bell
Type of request...PRESCRIBED
.TAG 2516247.0/OAX
.DELDT 06/19/25
.FormatterVersion 2.0.0
.EMAIL liam.bell@dnr.iowa.gov