311
FNUS73 KARX 261320
FWSARX
SPOT FORECAST FOR GRB HILL...MINNESOTA DNR
NATIONAL WEATHER SERVICE LA CROSSE WI
820 AM CDT FRI APR 26 2024
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 26.
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
RAIN SHOWERS MOVE IN AROUND 10 TO 11 AM, THOUGH THEY WILL BE IN A
WEAKENING STATE AND BECOMING MORE SCATTERED IN NATURE. ADDITIONAL
SHOWERS AND THUNDERSTORMS MAY REDEVELOP DURING THE MID-AFTERNOON
HOURS WITH A THIRD ROUND OF STORMS POSSIBLE AFTER SUNSET. OVERALL
RAINFALL AMOUNTS OF ONE TO TWO TENTHS OF AN INCH ARE EXPECTED
THROUGH THE DAY, BUT COULD BE HIGHER IN ANY THUNDERSTORM. RIDGE TOP
WINDS WILL BE FROM THE SOUTHEAST AROUND 20 MPH, GUSTING TO 30 TO
35 MPH. WHILE RH VALUES WILL BE AROUND 50 PERCENT AND FUELS ARE
GREENING UP, THESE WINDS MAY MAKE IT MORE DIFFICULT TO CONTROL ANY
BURNS.
REST OF TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS
LATE IN THE MORNING, THEN RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................20 PERCENT.
TEMPERATURE.........48 AT IGNITION...MAX 55.
RH..................51 PERCENT AT IGNITION...MIN 48 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 20 MPH GUSTING TO AROUND 30
TO 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......1300 FT AGL AT IGNITION...OTHERWISE 2100 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 25 TO 31 MPH.
SMOKE DISPERSAL.....FAIR /28500 KNOT-FT/ AT IGNITION. MAX...GOOD
/55100 KNOT-FT/.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH AT IGNITION...MAX 4.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 93 94 96 97 96 95 95 95
WEATHER COV.....SCH CHC CHC CHC CHC CHC LKY LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH
CWR.............20 30 30 40 50 50 60 70 60
TEMP............48 49 52 52 53 53 52 52 53
RH..............51 54 48 52 52 57 63 66 66
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..20 20 20 20 21 21 21 21 21
20 FT WIND GUST.29 29 27 29 30 30 32 32 32
MIX HGT (KFT)...1.3 1.8 2.1 2.0 2.0 1.6 1.7 1.6 1.4
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.25 29 29 30 31 28 29 26 26
HAINES INDEX....4 4 4 4 3 3 3 3 3
SDSPL KT-FT/100029 45 52 52 55 37 43 36 32
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS IN
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. RAIN SHOWERS LIKELY OVERNIGHT.
CWR.................90 PERCENT.
TEMPERATURE.........MIN 50.
RH..................MAX 86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 18 TO 21 MPH SHIFTING TO THE
SOUTH AROUND 18 MPH EARLY IN THE MORNING. GUSTS
UP TO 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 22 TO 26 MPH.
SMOKE DISPERSAL.....GOOD (31600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (12200 KNOT-FT) LATE IN THE
NIGHT.
HAINES INDEX........2 TO 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 (%).........95 95 95 94 84 75
WEATHER COV.....LIKELY DEFNTE DEFNTE LIKELY LIKELY CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC CHANCE CHANCE CHANCE CHANCE CHANCE
CWR.............60 90 80 70 60 50
TEMP............51 52 53 55 56 59
RH..............74 77 80 83 86 80
20 FT WIND......SE 21 SE 20 SE 19 SE 19 S 18 S 18
20 FT WIND GUST.32 29 28 27 27 28
MIX HGT (FT)....1400 900 700 700 600 800
TRANSPORT WIND..SE 26 SE 25 SE 26 S 24 S 22 S 24
HAINES INDEX....3 2 2 2 3 3
SDSPL KT-FT/100032 19 16 15 12 17
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS LATE IN THE AFTERNOON.
CWR.................30 PERCENT DECREASING TO 10 PERCENT EARLY IN
THE MORNING, THEN INCREASING TO 20 PERCENT LATE
IN THE AFTERNOON.
TEMPERATURE.........MAX 73.
RH..................MIN 48 PERCENT.
WIND (20 FT)........BREEZY. SOUTHWEST WINDS 17 TO 25 MPH. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE MORNING.
MIXING HEIGHT.......2700 FT AGL INCREASING TO 4400 FT AGL IN THE
LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 23 TO 31 MPH SHIFTING TO THE WEST 18
TO 24 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (18700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (105700 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 (%).........75 62 56 52 51 54
WEATHER COV.....CHANCE S CHC S CHC
WEATHER TYPE....RNSHWR NONE NONE NONE RNSHWR RNSHWR
TSTM COV........CHANCE
CWR.............30 10 0 0 20 20
TEMP............60 61 64 68 71 72
RH..............78 78 65 59 53 49
20 FT WIND......S 17 S 23 SW 25 SW 22 SW 23 W 20
20 FT WIND GUST.28 29 30 28 26 22
MIX HGT (FT)....900 1900 3100 3800 4300 4400
TRANSPORT WIND..S 23 SW 26 SW 30 SW 29 SW 26 W 22
HAINES INDEX....3 3 3 3 3 3
SDSPL KT-FT/100019 44 82 95 99 84
FORECASTER...KS
REQUESTED BY...ANTON BENSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2412555.0/ARX
.DELDT 04/26/24
.FORMATTERVERSION 2.0.0
.EMAIL ANTON.BENSON@STATE.MN.US
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page