497
FNUS73 KOAX 291431
FWSOAX
SPOT FORECAST FOR OMAHA CRP RX...BIA-WINNEBAGO
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
931 AM CDT WED SEP 29 2021
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
REDUCED FIRE CONCERNS TODAY WITH INCREASED CLOUD COVER, TEMPS IN
THE 80S, AND A BUILDING CHANCE FOR SHOWERS. THOSE SHOWERS ARE EXPECTED
TO SLOWLY BUILD IN FROM THE NORTHWEST OVER THE COURSE OF THE DAY,
BECOMING LIKELY LATER TONIGHT.
SOUTHEASTERLY WINDS WILL TURN NORTHWEST OVERNIGHT.
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
TEMPERATURE.........70 AT IGNITION...MAX 85.
RH..................63 PERCENT AT IGNITION...MIN 43 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 8 MPH. GUSTS UP TO 22 MPH IN
THE AFTERNOON.
20 FOOT WIND........WINDS SOUTHEAST AT 7 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 9 TO 12
MPH. GUSTS UP TO 22 MPH IN THE AFTERNOON. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
30 FOOT WINDS (MPH).SOUTH WINDS 9 TO 14 MPH. GUSTS UP TO 22 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1100 FT AGL AT IGNITION...OTHERWISE 5600 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 20 MPH.
SMOKE DISPERSAL.....FAIR /14400 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /90500 KNOT-FT/.
GFDI................LOW.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH AT IGNITION...MAX 4.
TIME (CDT) 10 AM NOON 2 PM 4 PM
SKY (%).........66 59 59 68
WEATHER COV..... S CHC
WEATHER TYPE....NONE NONE NONE RNSHWR
TSTM COV........ S CHC
TEMP............70 80 85 85
RH..............63 49 43 45
EYE LEVEL WIND..SE 5 SE 8 SE 8 S 8
EYE LVL WND GST.7 12 13 13
20 FT WIND......SE 7 SE 10 SE 11 S 11
20 FT WIND GUST.10 16 17 17
30 FT WIND......SE 9 SE 13 SE 14 S 14
30 FT WIND GUST.12 20 21 21
MIX HGT (FT)....1100 2000 4900 5200
TRANSPORT WIND..SE 15 S 20 S 20 S 20
GFDI............1 1 2 2
HAINES INDEX....4 4 4 4
SDSPL KT-FT/1K..14 49 81 89
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY
IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. SHOWERS OVERNIGHT.
TEMPERATURE.........MIN 63.
RH..................MAX 100 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 7 MPH DECREASING TO SOUTHEAST
AROUND 4 MPH EARLY IN THE EVENING, THEN
BECOMING LIGHT LATE IN THE EVENING.
20 FOOT WIND........SOUTHEAST WINDS AROUND 10 MPH DECREASING TO 5
TO 7 MPH IN THE EVENING, THEN BECOMING LIGHT
LATE IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
30 FOOT WINDS (MPH).SOUTHEAST WINDS AROUND 11 MPH DECREASING TO 6
TO 8 MPH IN THE EVENING, THEN BECOMING LIGHT
LATE IN THE EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH
12 TO 15 MPH IN THE EVENING, THEN SHIFTING TO
THE WEST 6 TO 7 MPH OVERNIGHT SHIFTING TO THE
EAST AROUND 8 MPH AFTER 3 AM SHIFTING TO THE
NORTH AROUND 9 MPH SHIFTING TO THE WEST AROUND
7 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....GOOD (39800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2900 KNOT-FT) LATE IN THE
NIGHT.
GFDI................LOW.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........63 64 72 75 79 83
WEATHER COV.....S CHC CHANCE CHANCE LIKELY DEFNTE DEFNTE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC CHANCE CHANCE CHANCE CHANCE CHANCE
TEMP............83 73 70 66 64 63
RH..............49 73 84 97 100 100
EYE LEVEL WIND..SE 7 SE 4 SE 4 N 3 N 3 N 1
EYE LVL WND GST.10 5 5 4 4 3
20 FT WIND......SE 9 SE 5 SE 5 N 4 N 4 N 2
20 FT WIND GUST.14 7 6 6 6 4
30 FT WIND......SE 11 SE 6 SE 6 N 5 N 5 N 3
30 FT WIND GUST.17 9 8 7 7 5
MIX HGT (FT)....2900 700 700 600 600 500
TRANSPORT WIND..SE 15 SE 14 S 13 W 7 W 6 N 9
GFDI............1 0 0 0 0 0
HAINES INDEX....4 4 4 4 3 3
SDSPL KT-FT/1K..40 7 7 4 3 4
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS.
TEMPERATURE.........MAX 73.
RH..................MIN 73 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH IN
THE LATE MORNING AND AFTERNOON.
20 FOOT WIND........WEST WINDS 5 TO 7 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 7 MPH
IN THE LATE MORNING AND AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
30 FOOT WINDS (MPH).LIGHT WINDS BECOMING NORTHWEST 6 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....WEST AROUND 7 MPH DECREASING TO 2 TO 7 MPH
EARLY IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST AROUND 13 MPH LATE IN THE MORNING
SHIFTING TO THE NORTHWEST AROUND 7 MPH LATE IN
THE MORNING SHIFTING TO THE SOUTH AROUND 8 MPH
SHIFTING TO THE NORTHWEST 9 TO 12 MPH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (20300 KNOT-FT) IN THE
AFTERNOON.
GFDI................LOW.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........83 84 84 72 70 74
WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
TEMP............63 63 66 70 72 73
RH..............97 100 93 81 76 73
EYE LEVEL WIND..N 1 N 1 N 4 NW 4 NW 4 NW 4
EYE LVL WND GST.3 3 5 5 6 7
20 FT WIND......N 2 N 2 N 5 NW 5 NW 6 NW 6
20 FT WIND GUST.4 4 6 6 8 10
30 FT WIND......N 3 N 3 N 6 NW 6 NW 8 NW 8
30 FT WIND GUST.5 5 8 8 10 12
MIX HGT (FT)....500 500 1300 2000 2500 2500
TRANSPORT WIND..W 7 W 2 SE 13 S 8 NW 9 NW 9
GFDI............0 0 0 0 0 1
HAINES INDEX....3 3 3 3 3 3
SDSPL KT-FT/1K..2 6 15 15 17 20
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS
AROUND 70. NORTH WINDS AROUND 6 MPH.
FORECASTER...KG
REQUESTED BY...DUWAYNE TRAVERSIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2118874.0/OAX
.DELDT 09/29/21
.FORMATTERVERSION 1.0.26
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page