333  
FNUS71 KALY 241242  
FWSALY  
 
SPOT FORECAST FOR GMFL GROUT POND A RX...USFS  
NATIONAL WEATHER SERVICE ALBANY NY  
842 AM EDT WED APR 24 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 24.  
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 LOW PRESSURE SYSTEM WILL BRING SOME SHOWERS TO THE REGION  
INTO THIS AFTERNOON, THEN COLDER AIR RETURNS FOR TONIGHT BEHIND  
A STRONG COLD FRONT. HIGH PRESSURE WILL BRING A RETURN TO DRY  
WEATHER TO END THE WEEK. FOLLOWING A COOL DAY ON THURSDAY,  
SEASONABLE TEMPERATURES RETURN FRIDAY INTO SATURDAY WITH A  
WARMUP SUNDAY INTO MONDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................NO TSTMS UNTIL 1100, THEN 1-8 STRIKES UNTIL  
1500, THEN NO TSTMS.  
MAX TEMPERATURE.....AROUND 47.  
MIN HUMIDITY........66 PERCENT.  
DEWPOINT............39 DECREASING TO 33 LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 9 TO 12 MPH SHIFTING TO THE  
NORTHWEST 14 TO 15 MPH IN THE AFTERNOON. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE MORNING.  
MIXING HEIGHT.......3100 FT AGL.  
TRANSPORT WINDS.....WEST 14 TO 21 MPH SHIFTING TO THE NORTHWEST 22  
TO 25 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (16500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (68600 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.18 INCHES.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........91 92 93 92 90 88 81 73 65  
WEATHER COV.....CHC CHC LKY LKY LKY LKY CHC CHC SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CHC OF PCPN (%).50 50 60 60 60 60 40 30 20  
LAL.............1 2 2 2 2 2 2 1 1  
TEMP............43 45 45 46 46 45 41 40 38  
DEWPOINT........37 39 39 41 41 41 38 37 33  
RH..............79 79 79 83 83 86 89 89 82  
20 FT WIND DIR..SW W W W W NW NW NW NW  
20 FT WIND SPD..9 10 10 12 14 15 15 15 15  
20 FT WIND GUST.17 17 18 20 21 21 22 22 23  
MIX HGT (KFT)...1.4 1.8 2.3 2.7 3.0 3.1 2.8 2.4 1.9  
TRANSP WIND DIR.W W W W W NW NW NW NW  
TRANSP WIND SPD.14 16 18 21 24 25 25 23 22  
LVORI...........3 3 3 4 4 4 4 4 3  
HAINES INDEX....3 3 3 3 3 3 3 3 3  
VRATE KT-FT/1K..17 26 37 51 63 69 62 49 36  
VENTRATE CAT....PR PR PR FR GD GD GD FR PR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
CLEAR (0-5 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 19.  
MAX HUMIDITY........89 PERCENT.  
DEWPOINT............28 DECREASING TO 8.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 8 TO 15 MPH.  
MIXING HEIGHT.......1200 FT AGL.  
TRANSPORT WINDS.....NORTH 14 TO 21 MPH.  
SMOKE DISPERSAL.....GOOD (36300 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO FAIR (14700 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............3.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.04 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 35 20 16 13 9 6 3 1 1 1 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............35 33 31 29 28 26 24 22 21 21 20 21  
DEWPOINT........30 27 22 19 15 12 11 9 9 8 8 8  
RH..............82 78 69 66 58 55 57 57 59 56 59 56  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..15 15 15 14 14 13 12 12 10 8 8 8  
20 FT WIND GUST.24 24 24 23 22 20 18 18 17 16 16 15  
MIX HGT (KFT)...1.6 1.4 1.4 1.6 1.8 2.0 1.9 1.7 1.5 1.4 1.3 1.2  
TRANSP WIND DIR.NW NW NW NW N N N N N N N N  
TRANSP WIND SPD.21 21 21 21 21 21 20 17 16 15 14 14  
LVORI...........3 3 3 3 2 2 2 2 2 2 2 2  
HAINES INDEX....3 3 4 4 4 4 4 4 4 4 4 4  
VRATE KT-FT/1K..30 26 25 29 34 36 33 27 21 18 16 15  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 46.  
MIN HUMIDITY........23 PERCENT.  
DEWPOINT............9.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 8 TO 9 MPH.  
MIXING HEIGHT.......5300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10 TO 14 MPH.  
SMOKE DISPERSAL.....FAIR (14200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (47300 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
PCPN AMOUNT.........0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 2 3 4 4 4 4 4 4 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............21 22 24 27 33 36 38 41 43 45 46 46  
DEWPOINT........8 7 7 7 8 8 9 9 10 10 11 11  
RH..............56 52 47 42 34 30 29 26 25 23 24 24  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..8 8 8 8 9 9 9 9 9 9 8 8  
20 FT WIND GUST.15 14 13 13 14 14 13 13 14 14 13 12  
MIX HGT (KFT)...1.2 1.3 1.5 1.9 2.4 3.0 3.5 4.1 4.5 5.0 5.3 5.0  
TRANSP WIND DIR.N N N N N N N NW NW NW NW NW  
TRANSP WIND SPD.14 14 14 14 13 13 12 12 10 10 10 10  
LVORI...........2 2 2 1 1 1 1 1 1 1 1 1  
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4  
VRATE KT-FT/1K..14 15 18 22 27 33 36 39 41 45 47 45  
VENTRATE CAT....PR PR PR PR PR PR PR PR FR FR FR FR  
 

 
FORECASTER...PICARD  
REQUESTED BY...RYAN HUGHES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2411788.2/ALY  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL KEITH.SARGENT@USDA.GOV,ERIC.HUGHES@USDA.GOV  
 
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