Suppression Forecast
Issued by NWS State College, PA

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FNUS71 KCTP 251035
FWSCTP

Spot Forecast for EPA / HAZMAT Clean Up...EPA.County EMA
National Weather Service State College PA
635 AM EDT Tue Jul 25 2017

Forecast is based on incident time of 0800 EDT on July 25.

If conditions become unrepresentative...
contact the National Weather Service in State College.

.DISCUSSION...

An upper trough will slide to the Northeast U.S. Coast today.
In its wake, high pressure will build southeast from the Great
Lakes and become centered over the region on Wednesday.

Skies today will stay mostly cloudy into the early afternoon,
with slowly decreasing cloud cover during the mid to late
afternoon hours.

Northwest winds will be in the 7 to 10 mph range through this
afternoon before becoming light northerly, then light easterly
overnight. Minimum humidity today will remain relatively
high at 60 percent or greater.

It will be mostly clear tonight, allowing temperatures to dip
into the lower and mi 50s for a low.

Mid level clouds will increase from the west Wednesday night
into Thursday. A cold front will likely push southeast across
the region late Thursday night through Friday morning with
numerous showers and isolated to scattered thunderstorms
preceding it Thursday afternoon and night.

.TODAY...

Sky/weather.........Mostly cloudy (70-80 percent)...then becoming
                    mostly sunny (35-45 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 72.
Min humidity........68 percent.
Surface winds.......Northwest winds around 6 mph.
Mixing height.......1700-3400 ft AGL...increasing to 4000-4600 ft
                    AGL in the afternoon.
Transport winds.....Northwest 10 to 17 mph.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........100 89  87  86  81  71  66  61  51  41
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............59  61  62  63  67  68  69  70  71  70
RH..............83  81  84  84  78  78  76  73  68  71
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Surface wnd spd.6   6   6   6   6   6   6   6   6   6
Surface wnd gst.10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...1.9 2.1 2.3 2.7 3.4 4.0 4.5 4.6 4.6 4.3
Transp wind dir.NW  NW  NW  NW  NW  NW  N   N   NW  NW
Transp wind spd.15  14  13  12  10  10  10  10  12  12

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 53.
Max humidity........100 percent.
Surface winds.......North winds 5 to 6 mph early in the
                    evening...becoming light and variable.
Mixing height.......2200-4100 ft AGL...decreasing to 600-1600 ft
                    AGL late in the evening.
Transport winds.....East 5 to 10 mph.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........31  26  24  23  22  21  16  17  17  19  22  23
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............69  67  69  67  64  63  61  60  59  57  56  54
RH..............73  78  76  78  84  84  90  90  93  100 100 100
Surface wnd dir.N   N   N   N   NE  NE  NE  E   E   E   E   SE
Surface wnd spd.6   5   4   4   4   4   4   3   3   3   4   4
Surface wnd gst.10  10  5   5   5   5   5   5   5   5   5   5
Mix hgt (kft)...4.1 3.8 3.4 2.8 2.2 1.6 1.1 0.8 0.6 0.6 0.7 1.0
Transp wind dir.NW  NW  NW  N   N   NE  NE  E   E   E   E   E
Transp wind spd.10  9   8   7   6   5   5   5   5   6   6   7

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 77.
Min humidity........64 percent.
Surface winds.......Light and variable winds...becoming south 5 to
                    6 mph.
Mixing height.......1200-3000 ft AGL...increasing to 3200-4500 ft
                    AGL in the afternoon.
Transport winds.....South 8 to 9 mph.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19  20  21  26  27  27  28  36  37  35  31  29
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   10  10  10  10  10  10
Temp............53  56  60  63  66  69  71  73  75  76  77  76
RH..............100 100 93  90  84  81  76  71  66  64  64  66
Surface wnd dir.SE  SE  SE  SE  SE  S   S   S   S   S   S   S
Surface wnd spd.4   5   5   5   6   6   6   6   6   6   6   6
Surface wnd gst.5   5   5   5   10  10  10  10  10  10  10  10
Mix hgt (kft)...1.2 1.4 1.7 2.0 2.4 2.8 3.0 3.2 3.5 4.0 4.4 4.5
Transp wind dir.E   SE  SE  SE  S   S   S   S   S   S   S   S
Transp wind spd.8   8   9   9   9   9   9   8   8   8   9   9

$$
Forecaster...WFO-CTP/Lambert
Requested by...Joel Landis
Type of request...HAZMAT
.TAG 1713346.0/CTP
.EMAIL landisj@co.somerset.pa.us



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