194  
FNUS73 KOAX 210944  
FWSOAX  
 
SPOT FORECAST FOR RIVER BOTTOM...BIA WINNEBAGO AGENCY  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
444 AM CDT WED JUN 21 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 0800 CDT ON JUNE 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A WARM FRONT WILL LIFT NORTH TODAY WITH A COLD FRONT  
MOVING INTO THE REGION THIS AFTERNOON AND TONIGHT. THE FRONTAL  
BOUNDARY IS FORECAST TO RETREAT BACK NORTH TONIGHT...BEFORE  
PUSHING BACK SOUTH THURSDAY AND THURSDAY NIGHT. THIS WILL MEAN  
UNSETTLED WEATHER THROUGH THE PERIOD. HOT TEMPERATURES TODAY  
WITH BRISK SOUTH WINDS 15 TO 20 MPH AND GUSTY WILL RESULT IN  
LOWEST RELATIVE HUMIDITIES OF 30 TO 45 PERCENT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE  
IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 13 MPH. GUSTS UP TO 25 MPH  
LATE IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......0-1800 FT AGL INCREASING TO 2600-3700 FT AGL IN  
THE AFTERNOON, THEN DECREASING TO 1400 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 21 TO 25 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (1100-47600 KNOT-FT) INCREASING TO  
FAIR TO EXCELLENT (29500-79100 KNOT-FT) IN THE  
AFTERNOON.  
GFDI (MAX)..........LOW.  
HAINES INDEX........4 TO 6 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....SOUTH WINDS 8 TO 13 MPH.  
 
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM  
SKY (%).........48 51 54 50 40 44  
WEATHER COV.....S CHC S CHC  
WEATHER TYPE....RNSHWR NONE NONE NONE RNSHWR NONE  
TSTM COV........S CHC S CHC  
TEMP............68 75 82 88 92 91  
RH..............79 69 56 50 46 47  
20 FT WIND......SE 8 SE 10 S 11 S 12 S 13 S 10  
20 FT WIND GUST.15 15 20 20 25 15  
EYE LEVEL WIND..SE 7 SE 9 S 10 S 11 S 12 S 9  
EYE LVL WND GST.15 15 20 20 25 15  
MIX HGT (FT)....100 300 1800 3300 3600 1400  
TRANSPORT WIND..SE 21 SE 24 S 22 S 22 S 25 S 23  
GFDI............0 0 0 0 0 0  
HAINES INDEX....6 6 5 4 4 4  
SDSPL KT-FT/10001 5 32 65 79 30  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING.  
MIN TEMPERATURE.....AROUND 67.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
EVENING.  
MIXING HEIGHT.......0-300 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 22 MPH SHIFTING TO THE SOUTHEAST 10  
TO 12 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
GFDI (MAX)..........LOW.  
HAINES INDEX........3 TO 5 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL  
FOR LARGE PLUME DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 9 MPH.  
 
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
SKY (%).........45 64 65 48 38 38  
WEATHER COV.....CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE  
TSTM COV........CHANCE CHANCE CHANCE  
TEMP............89 80 75 73 69 67  
RH..............48 62 71 79 87 90  
20 FT WIND......S 9 S 8 S 8 S 7 S 6 S 5  
20 FT WIND GUST.15 15 15 10 10  
EYE LEVEL WIND..S 8 S 7 S 7 S 6 S 5 S 5  
EYE LVL WND GST.15 15 15 10 10  
MIX HGT (FT)....300 100 300 300 300 200  
TRANSPORT WIND..S 22 S 21 S 20 S 18 S 15 S 12  
GFDI............0 0 0 0 0 0  
HAINES INDEX....4 5 5 5 4 3  
SDSPL KT-FT/10005 1 4 4 3 2  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH UNTIL  
LATE AFTERNOON, THEN SHIFTING TO THE NORTH 8 TO  
10 MPH EARLY IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE AFTERNOON.  
MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 2500-3500 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 15 MPH INCREASING TO NORTH 18 TO  
25 MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (1900-43200 KNOT-FT) INCREASING TO  
GOOD TO EXCELLENT (53100-60600 KNOT-FT) EARLY  
IN THE AFTERNOON.  
GFDI (MAX)..........LOW.  
HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH UNTIL  
LATE AFTERNOON, THEN SHIFTING TO THE NORTH 8 TO  
10 MPH EARLY IN THE AFTERNOON.  
 
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........37 41 47 61 74 76  
WEATHER COV..... CHANCE CHANCE CHANCE  
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR  
TSTM COV........ CHANCE CHANCE CHANCE  
TEMP............69 75 81 85 85 82  
RH..............87 71 58 51 51 55  
20 FT WIND......SE 4 SE 6 SE 6 SE 7 N 8 N 10  
20 FT WIND GUST.5 10 15 15 15  
EYE LEVEL WIND..SE 4 SE 5 SE 5 SE 6 N 7 N 9  
EYE LVL WND GST.5 10 15 15 15  
MIX HGT (FT)....300 400 1600 3300 3400 2900  
TRANSPORT WIND..SE 9 S 9 S 9 SE 12 NE 18 N 24  
GFDI............0 0 0 0 0 0  
HAINES INDEX....4 4 4 4 3 3  
SDSPL KT-FT/10002 3 13 31 54 60  
 

 
FORECASTER...ZAPOTOCNY  
REQUESTED BY...DUWAYNE TRAVERSIE  
TYPE OF REQUEST...WILDFIRE  
.TAG 1710909.3/OAX  
 
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