FNUS71 KBGM 122158 FWSBGM SPOT FORECAST FOR SNYDER...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE BINGHAMTON NY 558 PM EDT MON APR 12 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK AREA OF LOW PRESSURE WILL PASS THRUOGH WESTERN PENNSYLVANIA ON TUESDAY. THIS WILL BRING CLOUDS OVER THE FIRE AREA...BUT RAIN IS EXPECTED TO REMAIN WELL TO THE WEST. THE PASSAGE OF THIS LOW WILL ALSO CAUSE LIGHT NORTH WINDS EARLY IN THE DAY TO BECOME MORE EASTERLY. THE LIGHT GRADIENT WITH THE WEAK LOW MAY RESULT IN WINDS MORE TERRAIN DRIVEN THAN FORCED BY THE PASSING LOW...SO WATCH FOR SHIFTING WINDS. .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT)...THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........78 PERCENT. MIXING HEIGHT.......7600 FT AGL...DECREASING TO 300-700 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTH 5 TO 14 MPH. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR TO GOOD (11100-56900 KNOT-FT). TIME (EDT) 5 PM 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).............17 23 38 53 88 100 100 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE NONE TEMP................60 56 46 37 32 33 34 MIN HUMIDITY........26 34 47 64 78 75 72 LAL.................1 1 1 1 1 1 1 HAINES INDEX........4 4 4 4 4 4 4 VRATE KT-FT/1000....57 57 57 57 57 11 11 .TUESDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). MAX TEMPERATURE.....AROUND 57. MIN HUMIDITY........34 PERCENT. MIXING HEIGHT.......300-1500 FT AGL...INCREASING TO 8600-9000 FT AGL. TRANSPORT WINDS.....NORTH 3 TO 5 MPH...BECOMING EAST AROUND 3 MPH LATE IN THE MORNING. LAL.................1. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR TO FAIR (11100-14600 KNOT-FT). TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............100 92 91 94 100 94 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................35 38 43 49 54 57 MIN HUMIDITY........72 67 53 44 38 34 LAL.................1 1 1 1 1 1 HAINES INDEX........4 4 4 3 3 3 VRATE KT-FT/1000....11 11 11 11 15 15 .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT)...THEN BECOMING PARTLY CLOUDY (25-35 PERCENT). AREAS OF FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 33. MAX HUMIDITY........85 PERCENT. MIXING HEIGHT.......9000 FT AGL...DECREASING TO 300-1100 FT AGL. TRANSPORT WINDS.....NORTHEAST 3 TO 6 MPH. LAL.................1. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR TO FAIR (4600-14600 KNOT-FT). TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............90 80 54 38 21 17 WEATHER COV......... AREAS AREAS WEATHER TYPE........NONE NONE NONE NONE FROST FROST TEMP................56 54 50 46 42 38 MIN HUMIDITY........35 40 46 51 53 59 LAL.................1 1 1 1 1 1 HAINES INDEX........3 4 4 3 3 3 VRATE KT-FT/1000....15 15 15 15 5 5 .WEDNESDAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........23 PERCENT. MIXING HEIGHT.......300-2200 FT AGL...INCREASING TO 8600 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....NORTH 6 TO 14 MPH. LAL.................1. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR (4600 KNOT-FT)...INCREASING TO EXCELLENT (82800 KNOT-FT) EARLY IN THE AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............12 0 0 0 0 0 WEATHER COV.........AREAS WEATHER TYPE........FROST NONE NONE NONE NONE NONE TEMP................34 36 43 49 56 63 MIN HUMIDITY........75 79 60 46 32 24 LAL.................1 1 1 1 1 1 HAINES INDEX........3 3 3 3 4 4 VRATE KT-FT/1000....5 5 5 5 83 83 $$ FORECASTER...MORFORD REQUESTED BY...TOMAS LIOGYS TYPE OF REQUEST...PRESCRIBED .TAG 20100413.SNYDE.01/BGM