Text Products for FWS Issued by GSP

Spot Forecast
Issued by NWS Greer, SC
Versions: 1 2 3 4 5 6 7
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FNUS72 KGSP 151508
FWSGSP

Spot Forecast for Big Witch...BIA
National Weather Service Greenville-Spartanburg SC
1108 AM EDT Mon Apr 15 2024

Forecast is based on ignition time of 1052 EDT on April 15.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry high pressure will remain centered across the area today and
tomorrow. Winds will be light out of the west tonight, shifting to
the south on Tuesday. There will be good RH recovery tonight,
followed by RH values dropping into lower 40s in the high
elevations, and into the 30-35% range in the valleys.

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (45-55 percent.
Min temperature.....Around 55.
Max humidity........91 percent.
Wind (20 ft)........West winds 5 to 6 mph early in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Transport winds.....West 8 to 13 mph, becoming 5 to 7 mph
                    overnight.
Smoke dispersal.....Good (45300 knot-ft) early in the evening
                    decreasing to poor (1800 knot-ft) late in the
                    night.
LVORI...............4.
ADI.................62 early in the evening decreasing to 2 late in
                    the night.
Stability class.....4.
Pcpn amount.........0.00 inches.
Ceiling (FT)........21000.
Visibility (SM).....7.
Sfc pressure (in)...26.57.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   20  30  36  48  51  46  40  35  44  49  62
Weather cov.....
Weather type....
Tstm cov........
Temp............71  68  65  64  62  60  58  58  56  56  55  55
Dewpoint........52  52  53  53  53  53  52  52  52  52  52  53
RH..............51  57  66  67  72  76  80  81  85  85  90  91
20 FT wind dir..W   W   W   W   W   W   SW  SW  SW  SE  SE  E
20 FT wind spd..6   6   5   5   3   3   2   2   1   1   1   1
20 FT wind gust.12  10  9   7   6   6   5   3   3   3   2   3
Mix hgt (kft)...4.1 1.5 0.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.4
Transp wind dir.W   W   W   W   W   W   SW  SW  W   W   W   NW
Transp wind spd.13  12  9   8   8   8   8   8   6   6   7   5
LVORI...........1   3   3   3   3   4   5   5   5   5   6   6
ADI.............62  5   4   4   5   4   4   4   3   3   3   2
VRate kt-ft/100045  15  6   4   4   4   4   4   3   2   3   2
Ceiling (hft)...250 250 250 240 240 240 240 240 240 210 210 210
Visibility (sm).10  10  10  10  10  10  10  10  10  9   7   7
Sfc pres (in)...657 658 658 660 661 662 662 662 662 663 663 664

.TUESDAY...

Sky/weather.........Partly sunny (65-75 percent) then becoming
                    mostly cloudy (70-80 percent).
Max temperature.....Around 71.
Min humidity........41 percent.
Wind (20 ft)........Light winds becoming south 5 to 9 mph in the
                    afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....Northeast around 6 mph shifting to the south 5
                    to 14 mph early in the morning, then increasing
                    to around 15 mph late in the afternoon.
Smoke dispersal.....Poor (2000 knot-ft) early in the morning
                    increasing to good (57300 knot-ft) in the
                    afternoon.
LVORI...............4.
ADI.................3 early in the morning increasing to 59 in the
                    afternoon.
Stability class.....3.
Pcpn amount.........0.00 inches.
Ceiling (FT)........18000 decreasing to 11000 early in the morning,
                    then increasing to 13000 in the late morning
                    and afternoon.
Visibility (SM).....7 in the morning and early afternoon.
Sfc pressure (in)...26.6.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65  67  61  73  74  88  74  78  82  74  65  57
Weather cov.....
Weather type....
Tstm cov........
Temp............55  55  56  59  62  64  66  67  70  70  70  71
Dewpoint........52  51  50  51  53  53  53  51  50  48  47  46
RH..............90  87  79  76  71  69  63  57  49  46  44  41
20 FT wind dir..E   E   SW  W   SW  S   S   S   S   S   S   S
20 FT wind spd..1   1   1   2   2   3   5   6   7   8   8   9
20 FT wind gust.3   3   2       3   6   8   10  12  13  14  15
Mix hgt (kft)...0.4 0.4 0.5 0.7 1.2 1.8 2.3 3.1 3.9 4.0 4.2 4.4
Transp wind dir.NE  NE  SW  S   SW  S   S   S   S   S   S   S
Transp wind spd.6   6   5   5   5   9   8   10  13  14  15  15
LVORI...........6   5   4   4   3   3   2   1   1   1   1   1
ADI.............3   6   5   4   7   21  23  37  59  53  57  58
VRate kt-ft/10002   2   2   3   5   14  16  26  43  50  55  57
Ceiling (hft)...210 180 110 160 140 130 140 140 140 140 130 130
Visibility (sm).7   7   7   10  10  10  10  10  10
Sfc pres (in)...664 664 665 666 666 667 666 664 663 662 661 660

$$
Forecaster...Andrew Kimball
Requested by...Sean Weston
Type of request...PRESCRIBED
.TAG 2410923.0/GSP
.DELDT 04/15/24
.FormatterVersion 2.0.0
National Weather Service Weather Forecast Office
