487  
FNUS71 KPHI 141034  
FWSPHI  
 
SPOT FORECAST FOR MCCABE...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
634 AM EDT SAT MAR 14 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
HIGH PRESSURE WILL GRADUALLY BUILD INTO OUR AREA DURING THE DAY  
TODAY. WINDS WILL BE QUITE GUSTY THIS AFTERNOON AS MINIMUM RH'S DROP INTO THE  
LOW TO MID 20% RANGE. PARTIAL RH RECOVERIES ARE EXPECTED OVERNIGHT WITH  
RH'S INCREASING TO THE MID 50% RANGE. HIGH PRESSURE CONTINUES SUNDAY WITH A  
A POTENT COLD FRONT UNDISSIPATED TO SWEEP ACROSS OUR AREA MONDAY NIGHT.  
HIGH PRESSURE BUILDS IN LATER TUESDAY INTO WEDNESDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 55.  
MIN HUMIDITY........25 PERCENT.  
WIND SHIFT..........NO WIND SHIFT EXPECTED DURING THE DAY.  
WIND (20 FT)........WEST WINDS 14 TO 17 MPH WITH GUSTS TO AROUND 35  
MPH.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....WEST 28 TO 36 MPH.  
SMOKE DISPERSAL.....EXCELLENT (84700 KNOT-FT).  
ADI.................73 TO 106.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........23 33 30 24 33 46 52 52 60  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............47 49 51 53 54 54 55 55 55  
RH..............43 36 28 26 25 25 25 25 26  
20 FT WIND DIR..W W W W W W W W W  
20 FT WIND SPD..15 17 18 20 20 18 18 17 15  
20 FT WIND GUST.32 33 35 35 35 33 32 31 28  
MIX HGT (KFT)...3.4 3.9 4.4 4.4 4.5 4.7 4.7 4.3 4.0  
TRANSP WIND DIR.W W W W W W W W W  
TRANSP WIND SPD.29 35 36 35 36 36 35 31 28  
ADI.............73 94 103 99 105 106 103 89 77  
VRATE KT-FT/1K..85 117 136 131 141 145 140 117 96  
VENTRATE CAT....GD VGD VGD VGD VGD VGD VGD VGD GD  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 38.  
MAX HUMIDITY........70 PERCENT.  
WIND SHIFT..........WINDS ARE EXPECTED TO SHIFT FROM WESTERLY TO  
NORTHWESTERLY AROUND DUSK.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 9 MPH WITH GUSTS TO AROUND  
21 MPH EARLY IN THE EVENING BECOMING LIGHT,  
THEN BECOMING EAST 5 TO 6 MPH AFTER 3 AM.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 14 TO 21 MPH DECREASING TO 7 TO 10  
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE  
NORTHEAST 7 TO 12 MPH OVERNIGHT SHIFTING TO THE  
EAST AROUND 14 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....GOOD (51500 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2000 KNOT-FT) LATE IN THE  
NIGHT.  
ADI.................65 EARLY IN THE EVENING DECREASING TO 3 LATE IN  
THE NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........65 54 41 37 54 44 45 50 52 48 54 52  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............53 50 46 44 43 42 41 40 40 40 40 40  
RH..............29 36 42 47 49 53 57 59 59 62 62 62  
20 FT WIND DIR..NW NW NW NW NW N N NE NE NE E E  
20 FT WIND SPD..10 7 2 2 2 2 2 2 2 3 5 6  
20 FT WIND GUST.21 13 6 5 5 5 5 5 7 7 9 12  
MIX HGT (KFT)...2.9 1.2 0.6 0.5 0.4 0.3 0.4 0.5 0.6 0.6 0.7 0.8  
TRANSP WIND DIR.NW NW NW NW N N NE N NE NE E E  
TRANSP WIND SPD.21 14 10 9 7 7 7 8 10 12 12 14  
ADI.............65 9 5 4 3 3 3 4 5 5 8 9  
VRATE KT-FT/1K..52 14 5 4 3 2 2 3 5 6 7 10  
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........52 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........EAST WINDS 6 TO 14 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....EAST 15 TO 24 MPH SHIFTING TO THE SOUTHEAST 24  
TO 28 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (11900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (68600 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................10 EARLY IN THE MORNING INCREASING TO 65 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........62 62 51 51 50 48 48 48 48 54 61 67  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............39 40 40 43 46 50 52 53 54 55 55 55  
RH..............67 67 70 67 63 54 52 52 52 53 55 57  
20 FT WIND DIR..E E E E E E E SE SE SE SE SE  
20 FT WIND SPD..6 7 9 12 14 15 16 16 16 16 16 15  
20 FT WIND GUST.14 16 18 21 22 24 24 25 25 25 25 25  
MIX HGT (KFT)...0.9 1.1 1.2 1.7 2.0 2.3 2.5 2.7 2.9 2.9 2.8 2.5  
TRANSP WIND DIR.E E E E SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.15 16 16 20 22 24 26 28 28 28 25 24  
ADI.............10 22 24 42 54 50 58 63 64 65 58 53  
VRATE KT-FT/1K..12 15 16 29 39 47 57 65 69 67 62 53  
VENTRATE CAT....PR PR PR PR PR FR FR GD GD GD GD FR  
 
 
FORECASTER...DEAL  
REQUESTED BY...FIRE MANAGER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605297.1/PHI  
.DELDT 03/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NATASHA.WHETZEL@TNC.ORG  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page
Main Text Page