495
FNUS71 KPBZ 031215
FWSPBZ

Spot Forecast for Upper John B...USFS
National Weather Service Pittsburgh PA
715 AM EST Tue Nov 3 2026

Forecast is based on ignition time of 0800 EST on November 03.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Quiet and dry weather is expected today with increasing cloud coverage
ahead of cold front. Probability of wind gusts above 20mph is low (below 10%)
today. Precipitation chances return tomorrow evening with the frontal passage.
MinRH values will range between the low-40s to low-50s today and tomorrow.

Forecaster: Hefferan

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 76.
Min humidity........40 percent.
Wind (20 ft)........Light winds.
Mixing height.......4200 ft AGL.
Transport winds.....South 6 to 9 mph.
LVORI...............3.
ADI.................7 to 45.

TIME (EST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  10  19  4   2   2   1   1   0   1
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0
Temp............50  57  63  70  73  75  76  76  74  69
RH..............75  66  59  53  46  42  40  40  41  50
20 FT wind dir..N   N   N   N   W   SW  SW  S   S   S
20 FT wind spd..0   0   0   0   1   2   2   2   2   2
20 FT wind gust.2   2   2   5   5   6   6   6   6   7
Mix hgt (kft)...0.4 0.7 1.7 2.6 3.3 4.1 4.2 4.1 2.0 0.9
Transp wind dir.S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   7   7   7   7   8   8   9   7   6
LVORI...........4   3   2   2   2   1   1   1   2   2
ADI.............8   7   15  23  30  40  40  45  17  7

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 53.
Max humidity........85 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....South 8 to 12 mph.
LVORI...............4.
ADI.................4 to 5.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   3   6   8   8   7   4   4   9   8   9   7
Weather cov.....
Weather type....
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............63  59  58  57  56  56  55  55  55  55  54  54
RH..............63  72  75  78  81  82  84  84  85  83  83  81
20 FT wind dir..S   S   S   SE  S   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..3   3   3   3   3   3   3   2   2   3   3   3
20 FT wind gust.8   10  11  11  11  10  10  10  10  10  10  10
Mix hgt (kft)...0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   9   10  10  10  10  10  10  10  10  12  10
LVORI...........3   3   4   4   4   4   5   5   5   5   5   4
ADI.............4   4   5   5   5   5   5   5   5   5   5   5

.WEDNESDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......10 percent.
Chance of thunder...1 percent.
Max temperature.....Around 76.
Min humidity........45 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
                    late morning and afternoon.
Mixing height.......2600 ft AGL.
Transport winds.....South 10 to 17 mph.
LVORI...............3.
ADI.................11 early in the morning increasing to 53 in the
                    afternoon.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23  34  32  37  42  56  63  50  51  45  47  54
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   10
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............54  54  57  62  66  70  73  74  74  73  72  69
RH..............80  80  74  67  61  55  49  45  45  46  48  55
20 FT wind dir..SE  SE  SE  SE  SE  S   S   S   S   S   S   S
20 FT wind spd..3   3   3   4   5   6   6   6   5   5   5   5
20 FT wind gust.10  10  10  12  13  14  14  14  14  13  12  13
Mix hgt (kft)...0.5 0.5 0.7 1.0 1.5 1.8 2.2 2.6 2.6 2.5 1.8 1.3
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.10  12  12  12  15  16  17  16  16  16  13  13
LVORI...........4   4   3   3   2   1   1   1   1   1   2   2
ADI.............11  12  12  15  29  38  49  52  53  51  30  21

$$
Forecaster...SKH
Requested by...Samuel Urffer
Type of request...PRESCRIBED
.TAG 2625129.0/PBZ
.DELDT 11/03/26
.FormatterVersion 2.0.0
.EMAIL Samuel.urffer@usda.gov