FNUS71 KCTP 230917 FWSCTP SPOT FORECAST FOR GRASS MTN RX FIRE...PRESENTS FOREVER NATIONAL WEATHER SERVICE STATE COLLEGE PA 517 AM EDT TUE APR 23 2013 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE IN STATE COLLEGE. .DISCUSSION... A RIDGE OF HIGH PRESSURE WILL REMAIN CENTERED OVER PENNSYLVANIA TODAY...PROVIDING SUNNY SKIES LIGHT WINDS AND AFTERNOON MINIMUM RELATIVELY HUMIDITY BETWEEN 30 AND 40 PERCENT. A COLD FRONT WILL SPREAD SHOWERS AND THUNDERSTORMS ACROSS THE DISTRICT ON WEDNESDAY. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY...THEN BECOMING MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........38 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH UNTIL LATE AFTERNOON...BECOMING LIGHT AND VARIABLE. LAL.................NO TSTMS. MIXING HEIGHT.......1000-2800 FT AGL...INCREASING TO 3100-4100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 7 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............98 95 76 60 32 27 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................38 41 46 50 54 57 RH..................74 68 57 48 41 38 20 FT WIND..........E 6 E 7 E 7 E 6 SE 5 SE 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY. MIN TEMPERATURE.....AROUND 41. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT. LAL.................NO TSTMS. MIXING HEIGHT.......1600-3300 FT AGL...DECREASING TO 300-1200 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTH 6 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............24 21 27 34 40 49 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................54 51 49 48 46 45 RH..................44 49 55 61 66 74 20 FT WIND..........SE 3 SE 3 S 3 S 3 S 5 S 5 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY...THEN BECOMING CLOUDY. A CHANCE OF SHOWERS EARLY IN THE MORNING. SHOWERS AND A CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........SOUTH WINDS 9 TO 14 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE AFTERNOON. LAL.................NO TSTMS UNTIL 1400...THEN 16-25 STRIKES. MIXING HEIGHT.......400-1500 FT AGL...INCREASING TO 2500-4400 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 9 TO 18 MPH...INCREASING TO SOUTHWEST 32 TO 38 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............61 70 70 70 90 90 WEATHER COV......... CHANCE CHANCE CHANCE DEFNTE DEFNTE WEATHER TYPE........NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............ CHANCE CHANCE TEMP................43 46 50 54 57 59 RH..................85 79 66 59 55 52 20 FT WIND..........S 6 S 6 S 7 S 7 S 9 S 13 $$ FORECASTER...DEVOIR REQUESTED BY...JEFF YEAGER TYPE OF REQUEST...PRESCRIBED .TAG 20130423.GRASS.03/CTP