FNUS73 KOAX 251308
FWSOAX
Spot Forecast for Winnebago CRP Rx...BIA-Winnebago Agency
National Weather Service Omaha/Valley NE
808 AM CDT Thu Apr 25 2024
Forecast is based on ignition time of 1000 CDT on April 25.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
A complex of showers and thunderstorms is expected to move through
parts of southeast Nebraska this morning with widely scattered
showers and thunderstorms possible elsewhere today. Under cloudy
skies, temperatures will warm into the low to mid 60s this
afternoon with minimum relative humidity values of 45 to 65
percent. Winds will strengthen from the southeast today with
sustained speeds of 15 to 25 mph with gusts of 30 to 35 mph.
Showers and thunderstorms will become widespread across the area
tonight into Saturday morning with wetting rainfall expected for
many. Another round of thunderstorms is expected to develop Friday
afternoon and evening when some severe weather appears likely.
The strong southeast winds will continue tonight and Friday as a
vigorous low pressure system approaches the region from the
southwest. Highs on Friday will range from 60s in northeast
Nebraska to lower 80s in far southeast Nebraska. Minimum relative
humidities will range from around 45 percent along the Kansas
border to around 70 percent in northeast Nebraska and southwest
Iowa.
Strongest Possible Wind Speeds on Day of Burn: gusts 35-40
possible.
Lowest Possible Relative Humidity on Day of Burn: 45-50%
.TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Slight chance of
rain showers early in the morning. Slight
chance of rain showers late in the afternoon,
then chance of rain showers and slight chance
of thunderstorms late in the afternoon.
Max temperature.....Around 67.
Min humidity........48 percent.
Eye level winds.....Southeast winds 8 to 14 mph with gusts to
around 22 mph increasing to 14 to 15 mph with
gusts to around 23 mph late in the afternoon.
Surface winds (mph).Southeast winds 13 to 25 mph with gusts to
around 38 mph.
Wind (20 ft)........Southeast winds 13 to 22 mph with gusts to
around 30 mph. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing height.......3600 ft AGL.
Transport winds.....Southeast 17 to 26 mph increasing to 29 to 35
mph late in the morning.
Smoke dispersal.....Poor (8900 knot-ft) early in the morning
increasing to excellent (99900 knot-ft) in the
afternoon.
GFDI................3.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........75 79 79 83 88 87 95 96
Weather cov..... SCH CHC CHC
Weather type.... RW RW RW
Tstm cov........ SCH SCH
Temp............58 60 63 64 65 66 64 64
RH..............60 56 53 51 48 50 53 54
20 FT wind dir..SE SE SE SE SE SE SE SE
20 FT wind spd..16 17 17 17 18 19 20 19
20 FT wind gust.24 26 26 28 29 30 30 30
Eye lvl wnd dir.SE SE SE SE SE SE SE SE
Eye lvl wnd spd.12 13 13 13 13 14 15 14
Eye lvl wnd gst.18 20 20 21 22 22 23 22
Surface wnd dir.SE SE SE SE SE SE SE SE
Surface wnd spd.20 21 21 21 23 24 25 24
Surface wnd gst.30 33 33 35 36 37 38 37
Mix hgt (kft)...1.7 2.2 2.5 3.3 3.4 3.6 3.3 3.0
Transp wind dir.SE SE SE SE SE SE SE SE
Transp wind spd.26 29 29 30 31 33 35 33
GFDI............2 3 3 3 4 4 4 4
Haines index....4 4 4 3 3 3 3 3
SDspl kt-ft/100039 55 72 85 95 100 98 88
.TONIGHT...
Sky/weather.........Cloudy (90-100 percent). Showers and
thunderstorms likely in the evening, then
showers and thunderstorms overnight.
Min temperature.....Around 51.
Max humidity........96 percent.
Eye level winds.....Southeast winds 13 to 15 mph with gusts to
around 26 mph.
Surface winds (mph).Southeast winds 21 to 25 mph with gusts to
around 43 mph.
Wind (20 ft)........Southeast winds 20 to 22 mph with gusts to
around 34 mph. Gusty and erratic winds expected
near thunderstorms early in the evening. Gusty
and erratic winds expected near thunderstorms.
Mixing height.......700 ft AGL.
Transport winds.....Southeast 24 to 32 mph.
Smoke dispersal.....Excellent (71800 knot-ft) early in the evening
decreasing to fair (16700 knot-ft) late in the
night.
GFDI................3.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........94 97 99 99 99 98
Weather cov.....CHANCE CHANCE LIKELY LIKELY DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC CHANCE LIKELY LIKELY DEFNTE DEFNTE
Temp............63 59 57 56 54 52
RH..............56 62 66 67 78 85
20 ft wind......SE 19 SE 19 SE 19 SE 19 SE 18 SE 17
20 ft wind gust.29 30 30 32 30 29
Eye level wind..SE 14 SE 14 SE 14 SE 14 SE 13 SE 13
Eye lvl wnd gst.22 23 23 24 22 22
Surface wind....SE 24 SE 24 SE 24 SE 24 SE 23 SE 21
Surface wnd gst.36 38 38 40 37 36
Mix hgt (ft)....2700 1100 1000 1300 700 900
Transport wind..SE 32 SE 30 SE 32 SE 31 SE 26 SE 25
GFDI............4 3 3 3 2 2
Haines index....3 3 3 3 3 3
SDspl kt-ft/100072 43 27 30 28 19
.FRIDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Showers and
thunderstorms.
Max temperature.....Around 67.
Min humidity........78 percent.
Eye level winds.....Southeast winds 13 to 14 mph with gusts to
around 23 mph.
Surface winds (mph).Southeast winds 21 to 24 mph with gusts to
around 38 mph.
Wind (20 ft)........Southeast winds 20 to 21 mph with gusts to
around 30 mph. Gusty and erratic winds expected
near thunderstorms early in the morning. Gusty
and erratic winds expected near thunderstorms.
Mixing height.......1900 ft AGL.
Transport winds.....Southeast 25 to 30 mph.
Smoke dispersal.....Fair (16400 knot-ft) early in the morning
increasing to good (48700 knot-ft) in the
afternoon.
GFDI................3.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........97 92 92 95 83 76
Weather cov.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
Temp............52 52 56 58 62 65
RH..............90 91 94 88 86 79
20 ft wind......SE 17 SE 17 SE 18 SE 18 SE 19 SE 18
20 ft wind gust.28 28 30 30 30 30
Eye level wind..SE 13 SE 13 SE 13 SE 13 SE 14 SE 13
Eye lvl wnd gst.21 21 22 23 23 22
Surface wind....SE 21 SE 21 SE 23 SE 23 SE 24 SE 23
Surface wnd gst.35 35 37 38 38 37
Mix hgt (ft)....800 1100 1400 1600 1500 1900
Transport wind..SE 25 SE 28 SE 29 SE 30 SE 29 SE 28
GFDI............2 2 2 2 3 3
Haines index....3 3 3 3 4 4
SDspl kt-ft/100016 23 36 43 48 46
$$
Forecaster...Kern
Requested by...Duwayne Traversie RXB2
Type of request...PRESCRIBED
.TAG 2412399.0/OAX
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL duwayne.traversie@bia.gov
