696
FNUS74 KHUN 170847
FWSHUN
SPOT FORECAST FOR KRALS...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
347 AM CDT THU APR 17 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS ARE FORECAST TODAY WITH MIXING HEIGHTS INCREASING
ABOVE 5000 FT BY THIS AFTERNOON. TRANSPORT WINDS WILL BE OUT OF
THE SOUTH AROUND 15 KNOTS. BIGGEST CONCERN TODAY IS THE DRY
AIRMASS IN PLACE WHICH WILL DROP RH VALUES TO 25-30 PERCENT THIS
AFTERNOON. IF BETTER MIXING OCCURS THESE COULD DROP INTO THE LOWER
20 PERCENT RANGE BUT CONFIDENCE IS LOW IN THAT OCCURRING.
WEDNESDAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTHWEST 5 TO 6
MPH EARLY IN THE MORNING BECOMING AROUND 5 MPH.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 13 MPH DECREASING TO AROUND 9
MPH LATE IN THE AFTERNOON.
LVORI...............2.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 2 0 1 2 2 2 2 1 2 2 2
WEATHER COV.....
WEATHER TYPE....
TEMP............41 41 49 56 59 61 64 66 68 68 69 69
RH..............70 73 63 43 37 33 29 27 25 25 24 25
20 FT WIND DIR..350 340 000 350 340 330 330 320 320 310 310 300
20 FT WIND SPD..5 2 5 7 6 5 5 5 5 5 6 5
20 FT WIND GUST.10 9 14 13 12 12 12 12 12 10 10 9
MIX HGT (KFT)...0.2 0.2 0.8 3.3 4.0 4.6 4.7 4.9 5.1 5.2 5.2 5.2
TRANSP WIND DIR.000 350 000 350 340 340 330 320 320 320 310 300
TRANSP WIND SPD.7 7 7 12 13 13 13 10 10 9 9 9
DISPERSION IDX..3 3 3 5 6 74 75 63 66 59 60 60
LVORI...........3 3 3 3 1 1 1 1 1 1 1 1
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........60 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 6 MPH EARLY IN
THE EVENING, THEN BECOMING LIGHT EARLY IN THE
EVENING.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 9 MPH SHIFTING TO THE EAST
AROUND 7 MPH EARLY IN THE MORNING.
LVORI...............2.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........8 2 4 10 4 6 5 12 6 13 16 10
WEATHER COV.....
WEATHER TYPE....
TEMP............67 63 57 55 53 51 50 48 47 46 46 45
RH..............28 32 43 49 51 52 54 54 56 58 56 60
20 FT WIND DIR..300 290 330 310 340 000 010 020 030 040 050 050
20 FT WIND SPD..2 7 1 3 3 2 2 2 2 2 2 2
20 FT WIND GUST.9 13 10 9 8 7 7 7 7 7 8 8
MIX HGT (KFT)...4.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.300 310 320 330 350 000 000 010 030 050 050 070
TRANSP WIND SPD.9 7 8 7 7 8 8 7 6 6 6 7
DISPERSION IDX..50 3 3 2 2 2 4 3 3 3 3 3
LVORI...........1 2 2 2 2 2 2 3 3 3 3 3
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE
LATE MORNING AND AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 9 MPH SHIFTING TO THE SOUTH 9 TO 13
MPH IN THE LATE MORNING AND AFTERNOON.
LVORI...............2.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16 25 19 7 8 4 7 23 22 31 27 20
WEATHER COV.....
WEATHER TYPE....
TEMP............45 46 51 58 63 68 70 73 74 75 76 75
RH..............60 60 56 45 38 31 29 27 27 26 26 27
20 FT WIND DIR..060 060 090 110 130 140 150 160 170 170 170 170
20 FT WIND SPD..2 2 3 3 5 6 6 6 6 7 7 6
20 FT WIND GUST.8 9 9 10 12 13 13 14 14 14 15 14
MIX HGT (KFT)...0.2 0.2 0.4 1.2 2.3 3.1 3.8 4.4 4.8 4.9 5.2 4.9
TRANSP WIND DIR.070 080 090 120 130 140 160 170 180 180 180 180
TRANSP WIND SPD.8 7 7 9 9 10 9 10 12 12 13 13
DISPERSION IDX..4 3 3 4 4 41 44 57 69 66 76 78
LVORI...........3 2 2 2 2 2 2 1 1 1 1 1
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...HEIDELBERGER
REQUESTED BY...ROBERT VICK
TYPE OF REQUEST...PRESCRIBED
.TAG 2510324.2/HUN
.DELDT 04/16/25
.FORMATTERVERSION 2.0.0
.EMAIL ALICIA_SCHLARB@NPS.GOV,ROBERT_VICK@NPS.GOV
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