397
FNUS73 KOAX 171324
FWSOAX
SPOT FORECAST FOR OMAHA CRP...BIA WINNEBAGO AGENCY
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
824 AM CDT MON SEP 17 2018
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD FRONT WILL SLOWLY SETTLE INTO NORTHEAST NEBRASKA TODAY,
THEN STALL, AND FINALLY GET PUSHED THROUGH THE AREA ON THURSDAY.
AHEAD OF THE FRONT, IT WILL REMAIN HOT AND DRY THROUGH MID WEEK
WITH HIGHS AROUND 90. BEHIND THE FRONT, IT WILL BE A LITTLE
COOLER AND CHANCES FOR RAIN. COOLER TEMPERATURES SETTLE OVER THE
ENTIRE AREA FOR THE WEEKEND.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 8 MPH.
MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 2800-4700 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.
SMOKE DISPERSAL.....POOR (3400 KNOT-FT) INCREASING TO GOOD (41200
KNOT-FT).
GFDI................LOW.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 10 AM NOON 2 PM 4 PM
SKY (%).........13 16 19 22
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
TEMP............77 83 87 88
RH..............77 66 57 54
20 FT WIND......S 6 S 6 S 7 S 8
20 FT WIND GUST.8 9 10 13
MIX HGT (FT)....300 900 2800 4700
TRANSPORT WIND..S 16 S 13 S 12 S 14
GFDI............0 0 0 0
HAINES INDEX....4 4 4 3
SDSPL KT-FT/10003 9 31 54
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......0-1800 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 14 MPH.
SMOKE DISPERSAL.....FAIR (20700 KNOT-FT) DECREASING TO POOR (0
KNOT-FT).
GFDI................LOW.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........26 32 41 49 56 60
WEATHER COV..... S CHC S CHC S CHC CHANCE CHANCE
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC CHANCE CHANCE
TEMP............84 78 73 72 70 68
RH..............63 77 86 88 92 96
20 FT WIND......S 6 SE 6 SE 6 S 6 S 5 SE 4
20 FT WIND GUST.8 7 7 7 6 5
MIX HGT (FT)....1800 BLW100 300 300 300 300
TRANSPORT WIND..S 14 SE 14 SE 14 S 14 S 12 SE 9
GFDI............0 0 0 0 0 0
HAINES INDEX....3 3 3 3 3 4
SDSPL KT-FT/100021 0 3 3 3 2
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........69 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE MORNING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......200-1300 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 12 MPH SHIFTING TO THE NORTH 6 TO 8
MPH LATE IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST 7 TO 16 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1900 KNOT-FT).
GFDI................LOW.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
FOR LARGE PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........62 64 64 58 56 56
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE S CHC S CHC S CHC CHANCE CHANCE
TEMP............66 67 71 76 81 82
RH..............100 100 90 79 72 69
20 FT WIND......SE 4 SE 5 SE 6 E 6 E 6 SE 6
20 FT WIND GUST.5 6 7 7 7 8
MIX HGT (FT)....200 500 1200 1300 900 300
TRANSPORT WIND..SE 10 E 9 N 6 E 7 SE 10 SE 16
GFDI............0 0 0 0 0 0
HAINES INDEX....4 4 5 4 4 3
SDSPL KT-FT/10002 4 7 8 7 3
FORECASTER...KERN
REQUESTED BY...DUWAYNE TRAVERSIE
TYPE OF REQUEST...PRESCRIBED
.TAG 1815866.0/OAX
.DELDT 09/17/18
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