253  
FNUS71 KGYX 302027  
FWSGYX  
 
SPOT FORECAST FOR RATTLESNAKE MOUNTAIN...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE GRAY ME  
427 PM EDT FRI MAY 30 2008  
 
FORECAST IS BASED ON REQUEST TIME OF 1621 EDT ON MAY 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A WARM FRONT WILL APPROACH THE REGION FROM THE WEST  
OVERNIGHT AND WILL STALL OVER THE AREA ON SATURDAY A SLOW PRESSURE  
TRACKS EAST ALONG THE FRONT FROM THE EASTERN GREAT LAKES. LOW  
PRESSURE WILL WEAKEN AS IT MOVES INTO NORTHERN NEW ENGLAND SATURDAY  
NIGHT AND WILL SLOWLY SHIFT EAST INTO NEW BRUNSWICK ON SUNDAY.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE EVENING. RAIN SHOWERS  
LIKELY AFTER MIDNIGHT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........83 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH SHIFTING TO THE  
SOUTHEAST 8 TO 9 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......5500-6600 FT AGL DECREASING TO 4300 FT AGL LATE  
IN THE NIGHT.  
MIXING WINDS........SOUTHWEST 12 TO 18 MPH INCREASING TO 22 TO 23  
MPH AFTER MIDNIGHT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 6 MPH SHIFTING TO THE  
SOUTHEAST 8 TO 9 MPH EARLY IN THE EVENING.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........48 63 74 84 95 97  
WEATHER COV..... S CHC S CHC S CHC LIKELY LIKELY  
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TEMP............70 64 60 57 54 51  
RH..............35 45 53 59 69 83  
20 FT WIND......SW 6 SE 8 SE 8 SE 8 SE 8 SE 8  
20 FT WIND GUST. 10 10 10 10 10  
EYE LEVEL WIND..SW 6 SE 8 SE 8 SE 8 SE 8 SE 8  
EYE LEVEL WIND.. 10 10 10 10 10  
   
SATURDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY  
EARLY IN THE MORNING...THEN RAIN SHOWERS EARLY  
IN THE MORNING. THUNDERSTORMS EARLY IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........SOUTH WINDS 9 TO 12 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
AFTERNOON.  
MIXING HEIGHT.......4300 FT AGL DECREASING TO 2100-2800 FT AGL  
EARLY IN THE MORNING.  
MIXING WINDS........SOUTHWEST 22 TO 26 MPH.  
EYE LEVEL WINDS.....SOUTH WINDS 9 TO 12 MPH.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........98 100 97 95 92 85  
WEATHER COV.....LIKELY DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TEMP............54 58 65 69 71 70  
RH..............77 69 60 57 59 61  
20 FT WIND......S 9 S 9 S 10 S 10 S 12 S 10  
20 FT WIND GUST.10 10 15 15 15 15  
EYE LEVEL WIND..S 9 S 9 S 10 S 10 S 12 S 10  
EYE LEVEL WIND..10 10 15 15 15 15  
 

 
FORECASTER...CANNON  
REQUESTED BY...MARCIA SMITH  
TYPE OF REQUEST...WILDFIRE  
.TAG 20080530.RATTL.02/GYX  
 
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