614
FNUS73 KARX 230912
FWSARX
SPOT FORECAST FOR LAMEY RX FIRE...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE LA CROSSE WI
412 AM CDT FRI SEP 23 2022
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
HIGH CLOUDS WILL CONTINUE TO INCREASE, THICKEN THIS
MORNING...WITH A GRADUAL LOWERING AS WE MOVE INTO TONIGHT. COULD
SEE A FEW SPRINKLES, POTENTIALLY A LIGHT SHOWER BY LATE MORNING,
PERSISTING INTO THE AFTERNOON. ANY ACCUMULATIONS WOULD BE MINOR,
JUST A FEW HUNDRETHS OF AN INCH. BETTER SHOT FOR ACCUMULATING
RAINS THIS EVENING, WITH ISOLATED THUNDER ALSO POSSIBLE. AMOUNTS
UPWARDS OF 1/10 INCH POSSIBLE. DESPITE THE CLOUDS, COULD GET
SOME MIXING TOWARD THE NOON HOUR WITH PERHAPS A FEW GUSTS
INTO THE UPPER TEENS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) THEN BECOMING
CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY IN
THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 30 PERCENT EARLY IN THE
AFTERNOON, THEN INCREASING TO 60 PERCENT EARLY
IN THE AFTERNOON DECREASING TO 50 PERCENT EARLY
IN THE AFTERNOON DECREASING TO 40 PERCENT
DECREASING TO 30 PERCENT LATE IN THE AFTERNOON
DECREASING TO 20 PERCENT.
TEMPERATURE.........45 AT IGNITION...MAX 62.
RH..................94 PERCENT AT IGNITION...MIN 62 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 3 MPH AT
IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH
6 TO 9 MPH WITH GUSTS TO AROUND 19 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......400 FT AGL AT IGNITION...OTHERWISE 3000 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 15 MPH INCREASING TO 18 TO 20 MPH IN
THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR /2000 KNOT-FT/ AT IGNITION. MAX...GOOD
/50500 KNOT-FT/.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH AT IGNITION...MAX 4.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 59 60 71 88 89 91 92 95 95 96
WEATHER COV..... CHC LKY CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CWR.............0 0 0 10 10 30 60 50 40 30 20
TEMP............45 47 51 56 59 60 60 61 59 59 58
RH..............94 89 81 69 65 63 65 62 70 70 72
20 FT WIND DIR..SE SE S S S S S S S S S
20 FT WIND SPD..3 4 6 7 7 8 8 8 9 8 8
20 FT WIND GUST.8 8 15 18 16 18 18 18 19 18 19
MIX HGT (KFT)...0.4 0.4 0.9 1.5 2.2 2.4 2.6 3.0 2.5 2.3 2.0
TRANSP WIND DIR.S S S S S S S S S S S
TRANSP WIND SPD.6 7 15 18 20 18 18 20 20 20 18
HAINES INDEX....4 4 4 4 4 4 3 3 3 3 3
SDSPL KT-FT/10002 3 12 25 37 39 42 51 43 40 32
TONIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................30 PERCENT INCREASING TO 50 PERCENT EARLY IN
THE EVENING, THEN INCREASING TO 60 PERCENT LATE
IN THE EVENING DECREASING TO 50 PERCENT LATE IN
THE EVENING DECREASING TO 40 PERCENT DECREASING
TO 20 PERCENT OVERNIGHT DECREASING TO 10
PERCENT.
TEMPERATURE.........MIN 50.
RH..................MAX 97 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND
20 MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 18 MPH.
SMOKE DISPERSAL.....FAIR (29500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (7500 KNOT-FT) LATE IN THE
NIGHT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........96 92 98 97 97 95
WEATHER COV.....CHANCE CHANCE LIKELY CHANCE S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
CWR.............30 50 60 40 20 20
TEMP............56 54 53 52 52 53
RH..............74 83 89 93 96 93
20 FT WIND......S 8 SE 8 SE 7 S 6 S 5 S 4
20 FT WIND GUST.19 19 20 16 13 12
MIX HGT (FT)....1800 1300 1400 1400 1100 1000
TRANSPORT WIND..S 18 S 17 S 16 S 15 S 14 S 12
HAINES INDEX....3 3 3 3 3 3
SDSPL KT-FT/100030 20 20 18 14 10
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
CWR.................10 PERCENT.
TEMPERATURE.........MAX 71.
RH..................MIN 63 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 12 MPH SHIFTING TO THE WEST 6 TO 15
MPH LATE IN THE MORNING, THEN INCREASING TO 17
TO 18 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (39900 KNOT-FT) IN THE
AFTERNOON.
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 62 72 52 51 62
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............10 0 0 0 10 10
TEMP............53 54 58 63 67 69
RH..............97 100 92 77 67 63
20 FT WIND......S 3 S 2 SW 3 SW 4 W 4 W 5
20 FT WIND GUST.9 9 11 12 14 15
MIX HGT (FT)....700 1100 1400 2200 2700 2500
TRANSPORT WIND..S 8 S 12 SW 6 W 6 W 15 W 18
HAINES INDEX....3 3 3 3 3 3
SDSPL KT-FT/10005 11 7 11 35 40
FORECASTER...TR
REQUESTED BY...ROBERT BALE
TYPE OF REQUEST...PRESCRIBED
.TAG 2218508.0/ARX
.DELDT 09/23/22
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.BALE@TNC.ORG
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