174  
FNUS71 KPHI 151405  
FWSPHI  
 
SPOT FORECAST FOR WARWICK PARK - HST FIELD...CHESTER COUNTY FACILITIES & PARKS  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1005 AM EDT WED MAY 15 2013  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LOW PRESSURE TRACKING ACROSS SOUTHEASTERN CANADA TODAY WILL PULL A  
WARM FRONT ACROSS OUR AREA TODAY, THEN A COLD FRONT SLIDES THROUGH  
THE REGION TONIGHT. A WEAK SECONDARY FRONT IS EXPECTED TO CROSS THE  
AREA ON THURSDAY EVENING.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY...THEN BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN  
THE EVENING...THEN A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE LATE EVENING AND EARLY  
MORNING.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........84 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH UNTIL EARLY  
MORNING...BECOMING LIGHT AND VARIABLE. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
UNTIL EARLY MORNING.  
WIND SHIFT..........SOUTH/SOUTHWEST WINDS WILL BECOME WEST/NORTHWEST  
OVERNIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).............75 78 79 76 71 65 60 54 51 50 49 48  
WEATHER COV.........CHC CHC CHC CHC SCH SCH SCH SCH  
WEATHER TYPE........RW RW RW RW RW RW RW RW  
TSTM COV............CHC CHC CHC CHC SCH SCH SCH SCH  
TEMP................72 70 68 66 65 63 62 62 61 60 59 59  
RH..................57 61 65 73 78 84 84 81 81 81 80 78  
20 FT WIND DIR......S S S SW W W W W NW NW NW NW  
20 FT WIND SPD......8 7 6 5 5 5 5 5 5 5 3 3  
20 FT WIND GUST.....10 10 10 5 5  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO  
10 MPH.  
WIND SHIFT..........LIGHT NORTHWEST WINDS WILL BECOME WEST/SOUTHWEST  
AROUND MID-DAY.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).............47 46 45 44 42 41 39 37 36 38 43 45  
WEATHER COV.........  
WEATHER TYPE........  
TSTM COV............  
TEMP................59 60 63 66 69 71 73 74 75 76 76 75  
RH..................75 72 62 56 49 46 41 40 37 36 36 37  
20 FT WIND DIR......NW NW NW NW NW NW W W W W W W  
20 FT WIND SPD......3 5 5 6 7 8 9 9 10 10 10 9  
20 FT WIND GUST.....5 10 10 10 10 10 15 15 15 10  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY  
CLOUDY...THEN BECOMING PARTLY CLOUDY.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........74 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH.  
WIND SHIFT..........WINDS WILL SHIFT FROM WEST/SOUTHWEST TO NORTHWEST  
AROUND MIDNIGHT BEHIND A WEAK COLD FRONT...  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).............47 52 54 52 47 42 37 32 29 30 31 33  
WEATHER COV.........  
WEATHER TYPE........  
TSTM COV............  
TEMP................73 71 69 66 64 62 61 60 58 57 56 56  
RH..................40 42 47 52 56 60 62 64 69 72 74 74  
20 FT WIND DIR......W W W W W W NW NW NW NW NW NW  
20 FT WIND SPD......8 8 7 7 6 6 5 5 5 5 5 5  
20 FT WIND GUST.....10 10 10 10 10 10  
 

 
 
FORECASTER...ROBERTSON  
REQUESTED BY...JOHN SPENCER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20130516.WARWI.01/PHI  
 
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