608
FNUS71 KALY 201101
FWSALY
SPOT FORECAST FOR BIG BEND RX BURN - HELIANTHUS...NYSOPRHP
NATIONAL WEATHER SERVICE ALBANY NY
701 AM EDT WED MAY 20 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT ALB.STORMREPORT@NOAA.GOV, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A COLD FRONT WILL BE DROPPING SOUTHWARD ACROSS THE REGION TODAY.
RH VALUES WILL BE AS LOW AS 30 TO 50 PERCENT THIS AFTERNOON, ESPECIALLY BEHIND
THE FRONT. WINDS WILL BECOME WEST TO NORTHWEST BEHIND THE FRONT AT 10 TO
15 MPH WITH SOME GUSTS UP TO 30 MPH POSSIBLE LATE THIS MORNING INTO THIS
AFTERNOON.
COOLER AND DRIER AIR IS EXPECTED FOR THURSDAY WITH MORNING CLOUDS
GIVING WAY TO MOSTLY SUNNY SKIES. NORTH TO NORTHEAST WINDS WILL BE
10-20 MPH IN THE MORNING, THEN DECREASING TO 5-15 MPH IN THE
AFTERNOON. RH WILL FALL TO AS LOW AS 25 TO 35 PERCENT IN THE
AFTERNOON, HOWEVER THIS WILL COINCIDE WITH DECREASING WINDS.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........32 PERCENT.
DEWPOINT............35.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH. GUSTS UP TO 21 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....NORTH 12 TO 14 MPH.
SMOKE DISPERSAL.....FAIR (29800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (51200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 70 68 65 57 48 28 8 22 19 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............48 50 51 54 56 59 63 65 66 67 66
DEWPOINT........35 35 35 35 34 35 35 36 35 36 36
RH..............60 56 54 48 43 40 35 34 32 32 33
20 FT WIND DIR..N N N N N NE NE NE NE NE NE
20 FT WIND SPD..8 8 7 6 5 5 5 5 5 5 5
20 FT WIND GUST.14 14 20 21 20 18 18 18 17 17 10
MIX HGT (KFT)...2.5 3.1 3.6 3.9 4.3 4.5 5.0 5.1 5.0 4.6 4.1
TRANSP WIND DIR.N N N N N N N N N N N
TRANSP WIND SPD.14 14 14 14 13 12 12 12 12 12 12
LVORI...........3 3 2 2 2 2 2 2 2 2 2
VRATE KT-FT/1K..30 38 43 47 47 45 50 51 50 46 41
VENTRATE CAT....PR PR FR FR FR FR FR FR FR FR FR
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............35.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 13 MPH.
SMOKE DISPERSAL.....GOOD (34800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1300 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............6.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 40 42 41 36 31 29 27 25 27 30 32
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............65 64 59 56 53 51 49 47 45 41 38 34
DEWPOINT........36 36 37 M M 35 M M 35 M M 34
RH..............34 35 44 47 50 54 58 63 68 79 85 100
20 FT WIND DIR..NE NE NE NE NE N N N N N N N
20 FT WIND SPD..5 5 3 3 3 2 2 2 2 2 1 1
20 FT WIND GUST.10 9 9 8 7 6 5 5 5 5 3 3
MIX HGT (KFT)...3.2 1.3 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.3 0.3 0.4
TRANSP WIND DIR.NE NE NE NE NE N N N N N N N
TRANSP WIND SPD.13 12 9 10 9 8 7 6 6 6 6 6
LVORI...........2 2 2 2 2 2 3 3 4 4 6 10
VRATE KT-FT/1K..35 13 4 4 4 3 3 2 2 2 1 2
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........26 PERCENT.
DEWPOINT............35 EARLY IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 7 MPH SHIFTING TO THE NORTHWEST
AROUND 7 MPH LATE IN THE AFTERNOON, THEN
SHIFTING TO THE SOUTHWEST AROUND 8 MPH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (33700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............7 EARLY IN THE MORNING.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 36 38 36 34 32 32 32 32 34 37 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 42 48 52 55 59 62 65 68 69 70 69
DEWPOINT........M M 36 M M 34 M M 34 M M 35
RH..............100 76 63 54 47 39 35 31 28 27 26 28
20 FT WIND DIR..N N N NE NE NE E E E E SE SE
20 FT WIND SPD..1 2 2 2 2 2 2 2 2 2 1 1
20 FT WIND GUST.5 5 6 6 5 5 5 5 5 5 5 5
MIX HGT (KFT)...0.6 1.0 1.6 2.5 3.5 4.3 5.0 5.3 5.4 5.2 4.8 4.0
TRANSP WIND DIR.N N NE NE NE NE NE N NW NW SW S
TRANSP WIND SPD.6 7 7 7 7 7 7 7 7 7 8 8
LVORI...........10 4 3 M M M M M M M M M
VRATE KT-FT/1K..3 6 10 15 21 26 30 32 32 34 33 28
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...27
REQUESTED BY...JEN SELFRIDGE
TYPE OF REQUEST...PRESCRIBED
.TAG 2614096.0/ALY
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL JENNIFER.SELFRIDGE@PARKS.NY.GOV
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