648
FNUS73 KOAX 191338
FWSOAX
SPOT FORECAST FOR OMAHA CRP...BIA-WINNEBAGO
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
838 AM CDT FRI APR 19 2019
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SUNNY SKIES AND LIGHT NORTH TO NORTHWEST WINDS ARE FORECAST
THROUGH THE AFTERNOON. MINIMUM HUMIDITIES WILL LIKELY DROP TO NEAR
25 PERCENT. VERY GOOD SMOKE DISPERSAL IS EXPECTED THIS AFTERNOON
AS MIXING HEIGHTS RISE TO WELL OVER 4000 FT.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........28 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS 6 TO 8 MPH.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......6900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (20800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (61500 KNOT-FT) IN THE
AFTERNOON.
GFDI................MODERATE.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........1 1 1 1 1
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
TEMP............42 54 60 64 66
RH..............76 50 38 31 28
20 FT WIND......NW 6 NW 6 NW 6 NW 6 NW 5
20 FT WIND GUST.
SURFACE WIND....NW 8 NW 8 NW 8 NW 8 NW 6
SURFACE WND GST.
MIX HGT (FT)....2000 4100 6100 6900 6700
TRANSPORT WIND..N 12 N 12 N 12 NW 10 NW 8
GFDI............1 2 4 3 3
HAINES INDEX....5 5 4 4 4
SDSPL KT-FT/100021 42 60 59 48
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........82 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 6 MPH EARLY IN THE
EVENING BECOMING LIGHT, THEN BECOMING SOUTH 6
TO 8 MPH LATE IN THE EVENING.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT, THEN BECOMING SOUTH 5
TO 6 MPH LATE IN THE EVENING.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE SOUTH 8 TO 14
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....GOOD (39500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (0 KNOT-FT) LATE IN THE
NIGHT.
GFDI................LOW.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........1 2 1 2 4 6
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............66 61 52 47 45 43
RH..............28 35 50 60 65 67
20 FT WIND......NW 5 SW 4 S 4 S 6 S 6 S 5
20 FT WIND GUST.
SURFACE WIND....NW 6 SW 5 S 5 S 8 S 8 S 6
SURFACE WND GST.
MIX HGT (FT)....6200 3600 300 BLW100 300 300
TRANSPORT WIND..NW 7 W 7 S 9 S 13 S 13 S 12
GFDI............3 2 1 1 1 1
HAINES INDEX....4 4 4 4 4 4
SDSPL KT-FT/100040 20 2 1 3 2
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........29 PERCENT.
SURFACE WINDS (MPH).SOUTH WINDS 6 TO 15 MPH.
WIND (20 FT)........SOUTH WINDS 5 TO 12 MPH.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH SHIFTING TO THE SOUTHWEST 15
TO 22 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (1900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (66800 KNOT-FT) IN THE
AFTERNOON.
GFDI................MODERATE INCREASING TO HIGH LATE IN THE
AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........5 4 4 4 4 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............40 46 59 68 75 80
RH..............82 65 49 39 33 29
20 FT WIND......S 5 S 6 S 9 S 10 S 11 S 12
20 FT WIND GUST. 12 14 16 18
SURFACE WIND....S 6 S 8 S 11 S 13 S 14 S 15
SURFACE WND GST. 15 18 20 22
MIX HGT (FT)....300 100 300 1700 3700 4700
TRANSPORT WIND..S 12 S 17 S 22 S 18 S 15 SW 16
GFDI............1 1 4 8 11 15
HAINES INDEX....4 4 4 4 4 4
SDSPL KT-FT/10003 2 5 24 51 67
FORECASTER...MILLER
REQUESTED BY...DUWAYNE TRAVERSIE
TYPE OF REQUEST...PRESCRIBED
.TAG 1906594.0/OAX
.DELDT 04/19/19
.FORMATTERVERSION 1.0.26
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page