452
FNUS71 KCTP 161423
FWSCTP
SPOT FORECAST FOR YOST RX...PA-DCNR
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1023 AM EDT TUE SEP 16 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE, OR IF YOU HAVE QUESTIONS OR
CONCERNS WITH THIS FORECAST, CONTACT THE NATIONAL WEATHER SERVICE
IN STATE COLLEGE.
DISCUSSION
SPOT UPDATED 10AM 9/16/25 TO CORRECT MIXING HEIGHT VALUES FOR THIS
AFTERNOON. BG
DRY CONDITIONS ARE EXPECTED TO CONTINUE ACROSS MUCH OF CENTRAL
AND NORTHWESTERN PA TODAY THROUGH TONIGHT. LOW PRESSURE DRIFTING
SLOWLY NORTH ACROSS SOUTHEASTERN VIRGINIA AND ALONG THE DELMARVA
COAST TONIGHT AND WEDNESDAY WILL CREATE A PERSISTENT EASTERLY
FLOW OF MOIST AIR OFF THE ATLANTIC, LEADING TO CLOUDY SKIES AND
SOME PERIODS OF RAIN ACROSS THE SOUTHERN POCONOS AND LOWER
SUSQUEHANNA VALLEY, MAINLY TONIGHT AND WEDNESDAY.
A RIDGE OF HIGH PRESSURE WILL BUILD EAST FROM THE OHIO VALLEY
ON THURSDAY, BRINGING A RETURN TO SOME SUNSHINE AND DRY
CONDITIONS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 9 MPH.
CHANCE OF THUNDER...0 PERCENT.
LVORI...............4.
ADI.................3 TO 30.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%)........... 46 44 45 49 54 53 60 60 59 55
WEATHER COV.......
WEATHER TYPE......
TSTM COV..........
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0
TEMP.............. 60 63 65 69 71 73 75 76 75 75
RH................ 81 72 68 57 53 46 41 39 40 41
20 FT WIND DIR.... E E E E E E E E E E
20 FT WIND SPD.... 2 2 2 3 3 4 5 5 5 5
20 FT WIND GUST... 6 6 6 6 7 8 10 10 10 10
MIX HGT (KFT)..... 0.1 0.5 1.6 3.7 4.6 4.9 5.5 5.6 5.5 5.0
TRANSP WIND DIR... E E NE E E E E E E E
TRANSP WIND SPD... 3 3 3 6 7 7 8 9 8 7
LVORI............. 5 3 3 2 2 2 2 2 2 2
ADI............... 3 21 21 21 27 27 27 30 30 30
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 8 MPH.
CHANCE OF THUNDER...0 PERCENT.
LVORI...............4.
ADI.................3 TO 5.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%)........... 50 48 40 56 48 36 45 34 40 40 46 41
WEATHER COV.......
WEATHER TYPE......
TSTM COV..........
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0 0 0
TEMP.............. 73 68 65 64 62 61 59 58 58 56 55 55
RH................ 43 52 60 65 67 70 78 77 77 83 86 83
20 FT WIND DIR.... E E E E SE SE SE SE SE SE E E
20 FT WIND SPD.... 5 4 4 4 4 4 4 3 3 3 3 3
20 FT WIND GUST... 10 10 10 8 8 7 7 7 6 6 6 7
MIX HGT (KFT)..... 3.3 0.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR... E E E E E SE SE SE SE SE E E
TRANSP WIND SPD... 8 8 7 8 8 8 8 8 7 7 6 6
LVORI............. 2 2 3 3 3 3 4 4 4 5 6 5
ADI............... 5 5 5 5 5 5 5 5 5 3 3 3
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 6 MPH.
CHANCE OF THUNDER...0 PERCENT.
LVORI...............4.
ADI.................4 TO 13.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%)........... 48 58 52 37 47 57 61 65 69 67 65 63
WEATHER COV.......
WEATHER TYPE......
TSTM COV..........
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0 0 0
TEMP.............. 55 54 55 59 62 65 67 69 70 71 72 71
RH................ 83 86 86 75 67 58 54 49 47 46 44 46
20 FT WIND DIR.... E E E NE E E E E E E E E
20 FT WIND SPD.... 3 3 3 3 3 3 3 4 4 4 4 4
20 FT WIND GUST... 6 6 7 6 6 7 7 7 7 7 7 7
MIX HGT (KFT)..... 0.1 0.1 0.1 0.5 1.1 1.7 2.4 2.8 3.2 2.9 2.7 2.4
TRANSP WIND DIR... E E E E E E NE NE E E E E
TRANSP WIND SPD... 6 6 6 5 3 5 5 5 5 5 5 5
LVORI............. 5 5 5 3 3 2 2 2 2 2 2 2
ADI............... 4 4 4 10 10 10 13 13 13 11 11 11
FORECASTER...GARTNER
REQUESTED BY...JEREMY DAYHOFF
TYPE OF REQUEST...PRESCRIBED
.TAG 2522018.0/CTP
.DELDT 09/16/25
.FORMATTERVERSION 2.0.0
.EMAIL JERDAYHOFF@PA.GOV
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