425
FNUS71 KCTP 290210
FWSCTP

Spot Forecast for Backyard Burn...Pennsylvania Game Commission
National Weather Service State College PA
1010 PM EDT Sun Apr 28 2024

Forecast is based on ignition time of 2300 EDT on April 28.

If conditions become unrepresentative, or if you have questions or
concerns with this forecast, contact the National Weather Service
in State College.


.DISCUSSION...
Mostly clear skies in the morning will give way to scattered
clouds on Monday afternoon as temperatures soar into the 80s
across the region. Relative humidity values could drop into the
upper 30s Monday afternoon with southwest winds occasionally
gusting to 15mph. A few storms are possible later Monday evening.

A cold front will bring some scattered showers and thunderstorms
to the region on Tuesday. Rainfall accumulations will remain less
than a quarter of an inch.

.REST OF TONIGHT...

Sky/Weather.........Mostly clear (10-20 percent).
LAL.................No Tstms.
Min Temperature.....Around 59.
Max Humidity........80 percent.
Wind (20 ft)........Light winds.
Mixing Height.......400 ft AGL.
Transport Winds.....West 8 to 9 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
LVORI...............4.
ADI.................4.

TIME (EDT)          11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%)...........  25  20  14  14  12  9   10
Weather Cov.......
Weather Type......
Tstm Cov..........
LAL...............  1   1   1   1   1   1   1
Temp..............  65  63  61  60  60  59  59
RH................  68  72  78  78  78  80  80
20 FT Wind Dir....  SW  SW  SW  SW  SW  SW  SW
20 FT Wind Spd....  4   4   4   4   4   4   4
20 FT Wind Gust...  5   5   6   6   6   6   6
Mix Hgt (kft).....  0.5 0.4 0.4 0.4 0.4 0.4 0.4
Transp Wind Dir...  W   W   W   SW  SW  SW  W
Transp Wind Spd...  9   8   8   8   8   8   8
LVORI.............  3   3   4   4   4   5   5
ADI...............  4   4   4   4   4   4   4
Haines Index......  4   4   4   4   4   4   4

.MONDAY...

Sky/Weather.........Sunny (10-20 percent).
LAL.................No Tstms.
Max Temperature.....Around 81.
Min Humidity........41 percent.
Wind (20 ft)........Light winds becoming west 5 to 7 mph.
Mixing Height.......5800 ft AGL.
Transport Winds.....West 8 to 17 mph increasing to 15 to 20 mph
                    late in the morning.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
LVORI...............3.
ADI.................11 early in the morning increasing to 59 in the
                    afternoon.

TIME (EDT)          6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%)...........  13  13  17  18  16  15  18  17  18  16  14  14
Weather Cov.......
Weather Type......
Tstm Cov..........
LAL...............  1   1   1   1   1   1   1   1   1   1   1   1
Temp..............  59  60  63  66  70  74  76  77  79  79  80  80
RH................  80  81  78  70  61  55  50  47  44  44  41  41
20 FT Wind Dir....  SW  W   W   W   W   W   W   W   W   SW  SW  SW
20 FT Wind Spd....  4   5   5   5   6   6   7   7   7   6   6   6
20 FT Wind Gust...  6   6   7   10  10  12  13  13  12  12  13  13
Mix Hgt (kft).....  0.4 0.5 0.6 1.3 2.6 4.0 4.8 5.6 5.7 5.2 5.6 5.8
Transp Wind Dir...  W   W   W   W   W   W   W   W   W   W   W   SW
Transp Wind Spd...  8   10  10  14  17  20  20  18  17  15  15  17
LVORI.............  4   4   4   3   1   1   1   1   1   1   1   1
ADI...............  11  11  11  54  54  54  59  59  59  56  56  56
Haines Index......  4   4   3   3   3   3   3   3   4   4   4   4

.MONDAY NIGHT...

Sky/Weather.........Mostly clear (20-30 percent). Slight chance of
                    thunderstorms late in the evening. Slight
                    chance of showers late in the evening.
LAL.................No Tstms until 2100, then 9-15 strikes until
                    2300, then No Tstms.
Min Temperature.....Around 58.
Max Humidity........84 percent.
Wind (20 ft)........Southwest winds around 6 mph shifting to the
                    south around 5 mph early in the evening, then
                    becoming light overnight. Gusty and erratic
                    winds expected near thunderstorms late in the
                    evening.
Mixing Height.......400 ft AGL.
Transport Winds.....Southwest 7 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
LVORI...............4.
ADI.................4 to 10.

TIME (EDT)          6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%)...........  12  11  12  20  27  35  32  28  25  29  32  36
Weather Cov.......              SCH SCH SCH
Weather Type......              RW  RW  RW
Tstm Cov..........              SCH SCH
LAL...............  1   1   1   3   3   1   1   1   1   1   1   1
Temp..............  78  76  74  70  68  66  65  64  63  61  60  60
RH................  43  45  50  57  63  68  70  73  75  81  84  81
20 FT Wind Dir....  SW  SW  S   S   S   S   S   S   S   S   S   S
20 FT Wind Spd....  6   6   5   5   5   5   5   4   4   4   4   4
20 FT Wind Gust...  11  10  8   8   8   10  10  8   8   8   8   8
Mix Hgt (kft).....  5.2 1.4 0.7 0.6 0.7 0.5 0.5 0.4 0.4 0.4 0.4 0.5
Transp Wind Dir...  SW  SW  SW  S   S   S   S   SW  SW  SW  W   W
Transp Wind Spd...  15  9   8   7   8   9   8   7   7   7   8   8
LVORI.............  2   2   2   3   3   3   3   3   4   5   5   5
ADI...............  10  10  10  4   4   4   4   4   4   4   4   4
Haines Index......  4   4   4   4   4   4   4   4   4   4   4   4

$$
Forecaster...Banghoff
Requested by...Brandon Karlheim
Type of request...PRESCRIBED
.TAG 2412665.0/CTP
.DELDT 04/28/24
.FormatterVersion 2.0.0
.EMAIL bkarlheim@pa.gov