160  
FNUS71 KPBZ 170900  
FWSPBZ  
 
SPOT FORECAST FOR MORA GRASS...DCNR STATE PARKS  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
500 AM EDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON APRIL 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
HIGH PRESSURE CENTERED OVER THE AREA WILL RESULT IN RELATIVELY  
LIGHT WIND AND DRY CONDITIONS TODAY. RH VALUES SHOULD DIP INTO  
THE 30S THIS AFTERNOON, BUT LIGHT WINDS AND CURRENT FUEL MOISTURE  
SHOULD BE IDEAL.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT). WIDESPREAD FROST EARLY IN  
THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 9 MPH.  
LVORI...............4.  
ADI.................3 EARLY IN THE MORNING INCREASING TO 46 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 2 2 2 0 6 3 3 2 5 14 19  
WEATHER COV.....WID WID WID  
WEATHER TYPE....FST FST FST  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............30 30 33 39 44 49 51 54 56 58 59 60  
RH..............83 84 83 66 57 48 45 41 37 36 35 33  
20 FT WIND DIR..SW S S SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..1 1 1 1 2 2 2 2 3 3 3 2  
20 FT WIND GUST.4 2 4 4 5 6 6 7 7 7 7 7  
MIX HGT (KFT)...0.4 0.4 0.5 1.4 2.7 3.8 4.2 4.4 4.5 4.4 4.6 4.6  
TRANSP WIND DIR.W SW SW SW SW W W W W SW SW SW  
TRANSP WIND SPD.3 3 5 7 8 9 7 8 8 7 7 8  
LVORI...........6 5 5 3 2 1 1 1 1 1 1 1  
ADI.............3 3 4 13 28 45 36 44 45 38 40 46  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 43.  
MAX HUMIDITY........63 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.  
LVORI...............3.  
ADI.................3 TO 8.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........32 49 49 52 42 41 41 56 51 70 65 74  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 10 10  
TEMP............59 58 54 50 48 46 45 44 43 44 44 44  
RH..............35 36 44 53 56 60 59 61 63 61 59 60  
20 FT WIND DIR..SW SW S S SE SE SE SE SE SE SE SE  
20 FT WIND SPD..2 2 2 2 2 2 2 3 3 4 4 5  
20 FT WIND GUST.6 6 6 6 6 6 7 8 8 10 10 11  
MIX HGT (KFT)...4.1 1.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5  
TRANSP WIND DIR.SW S S S S S S S S S S S  
TRANSP WIND SPD.7 7 7 8 8 10 10 12 12 13 13 13  
LVORI...........2 2 2 2 3 3 3 3 3 3 3 3  
ADI.............3 3 3 4 4 5 5 5 5 8 8 8  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING  
SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...4 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 21 MPH INCREASING TO SOUTHWEST 24  
TO 32 MPH LATE IN THE MORNING.  
LVORI...............2.  
ADI.................14 EARLY IN THE MORNING INCREASING TO 132 IN  
THE AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 64 68 67 55 40 36 34 31 29 26 24  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............46 46 49 53 59 63 68 71 74 75 76 77  
RH..............61 60 62 59 55 52 47 45 44 43 43 42  
20 FT WIND DIR..SE SE S S S S S SW SW SW SW SW  
20 FT WIND SPD..5 6 6 6 7 8 9 9 10 10 10 10  
20 FT WIND GUST.12 13 14 16 17 18 18 19 20 20 20 20  
MIX HGT (KFT)...0.6 0.6 0.6 0.9 1.5 2.0 3.3 4.2 4.6 4.9 4.9 4.5  
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW SW  
TRANSP WIND SPD.14 15 15 18 21 24 29 31 31 32 32 31  
LVORI...........2 2 2 2 1 1 1 1 1 1 1 1  
ADI.............14 16 16 22 41 63 97 117 124 131 132 122  
 
 
FORECASTER...MPK  
REQUESTED BY...MICHAEL DIRINALDO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510794.0/PBZ  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MDIRINALDO@PA.GOV  
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