995
FNUS73 KAPX 241953
FWSAPX
SPOT FORECAST FOR RIVERVIEW RX BURN...MIDNR
NATIONAL WEATHER SERVICE GAYLORD MI
353 PM EDT WED APR 24 2024
FORECAST IS BASED ON IGNITION TIME OF 1600 EDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE... CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (989)732-9306, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
WINDS IN THE AREA EXPECTED TO BECOME LIGHT AND VARIABLE...BUT COULD
TREND MORE E/SE IN THE VICINITY AS VERY WEAK "HEAT" LOW DEVELOPS IN THE
VICINITY OF US-131. HOWEVER...IF FLOW REMAINS MORE NORTHERLY...WOULD ANTICIPATE
ENHANCED DRYING AT THE SITE DUE TO GREATER CHANCE AT DOWNSLOPING...ON TOP
OF RHS ALREADY IN THE LOW 20S. COLD TEMPS TODAY WITH LOWS DROPPING INTO THE
TEENS OR COLDER TONIGHT; WARMER THURSDAY WITH GOOD MIXING EXPECTED...AND
BACKGROUND SOUTHEASTERLY FLOW.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........18 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH.
TRANSPORT WINDS.....NORTH AROUND 7 MPH.
MIXING HEIGHT.......4900-5000 FT AGL.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
VENTILATION INDEX...POOR (338.0).
TIME (EDT) 4PM 5PM
SKY (%).........3 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............49 49
RH..............20 18
20 FT WIND DIR..N N
20 FT WIND SPD..6 6
20 FT WIND GUST.12 12
MIX HGT (KFT)...4.9 5.0
HAINES INDEX....3 3
TRANSP WIND DIR.N N
TRANSP WIND SPD.7 7
VRATE KT-FT.....338 347
VENTRATE CAT....PR PR
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 11.
MAX HUMIDITY........90 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
EAST LATE IN THE EVENING, THEN BECOMING LIGHT
OVERNIGHT.
TRANSPORT WINDS.....NORTH 6 TO 7 MPH SHIFTING TO THE EAST 6 TO 10
MPH LATE IN THE EVENING, THEN SHIFTING TO THE
SOUTH AROUND 8 MPH OVERNIGHT.
MIXING HEIGHT.......3200-5000 FT AGL DECREASING TO 500-1100 FT AGL
IN THE LATE EVENING AND OVERNIGHT.
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
VENTILATION INDEX...POOR (33.0).
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 2 2 1 1 1 2 2 3 3 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............49 47 43 37 31 28 25 20 18 16 12 14
RH..............18 21 27 32 37 44 53 64 70 78 90 89
20 FT WIND DIR..N N N E E E SE SE SE S S S
20 FT WIND SPD..5 5 5 6 6 6 6 6 6 5 5 5
20 FT WIND GUST.7 7 7 9 9 9 9 9 9 8 8 8
MIX HGT (KFT)...5.0 4.4 3.2 0.6 0.6 0.5 0.5 0.5 0.7 1.1 1.0 1.0
HAINES INDEX....3 3 5 5 5 5 5 5 5 5 5 5
TRANSP WIND DIR.N N N NE E E SE SE S S S S
TRANSP WIND SPD.6 7 7 6 6 9 10 8 8 8 8 8
VRATE KT-FT.....286 300 218 33 35 48 52 39 56 85 77 78
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........21 PERCENT.
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.
MIXING HEIGHT.......900-2100 FT AGL INCREASING TO 5600-6200 FT AGL.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
VENTILATION INDEX...POOR TO FAIR (63.0-420.0).
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........5 6 3 2 3 2
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............15 20 32 42 49 53
RH..............83 80 52 33 23 22
20 FT WIND DIR..S S S SE SE S
20 FT WIND SPD..5 5 5 3 3 5
20 FT WIND GUST.8 8 7 6 6 7
MIX HGT (FT)....900 1000 2100 3900 5600 6100
HAINES INDEX....5 5 5 5 4 4
TRANSPORT WIND..S 7 S 8 S 6 SE 6 SE 6 S 7
VRATE KT-FT.....63 77 122 222 320 420
VENTRATE CAT....POOR POOR POOR POOR POOR FAIR
FORECASTER...FEF
REQUESTED BY...JENNIFER HANSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2412324.0/APX
.DELDT 04/24/24
.FORMATTERVERSION 2.0.0
.EMAIL HANSENJ4@MICHIGAN.GOV
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