942
FNUS72 KGSP 290145
FWSGSP
SPOT FORECAST FOR ALARKA 5...USFS
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
945 PM EDT FRI MAR 28 2025
FORECAST IS BASED ON FORECAST START TIME OF 2200 EDT ON MARCH 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOISTURE RETURN WILL BEGIN OVERNIGHT AND THE RH WILL NOT DROP AS LOW AS
IT HAS THE PAST FEW DAYS, HOWEVER, FIRE CONDITIONS REMAIN TENUOUS.
ANOTHER FIRE DANGER STATEMENT WILL LIKELY BE ISSUED FOR PART OR ALL OF
OUR NC ZONES FOR SATURDAY.
MID-LEVEL CLOUDINESS MOVING IN TONIGHT WILL LOWER TOWARDS DAYBREAK WITH
THE POSSIBILITY OF A LOW CLOUD DECK BRIEFLY DEVELOPING AROUND SUNRISE.
THIS MOISTURE WILL LIKELY LIFT SOMEWHAT AFTER SUNRISE, BUT INCREASING
MOISTURE WILL MOVE IN THROUGH THE DAY SATURDAY SO EXPECT ADDITIONAL
CLOUD COVER TO DEVELOP AHEAD OF THE SYSTEM APPROACHING FOR SUNDAY.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH. BRIEF GUSTS TO 15 MPH
POSSIBLE AT THE RIDGETOP.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 10 MPH.
SMOKE DISPERSAL.....POOR (2531 MPH-FT).
LVORI...............3.
ADI.................7 TO 9.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........20000 DECREASING TO 19000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...26.95.
TIME (EDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........56 70 73 77 80 75 77 80
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............57 56 55 54 54 54 53 52
DEWPOINT........35 35 35 36 39 41 42 44
RH..............43 44 47 51 58 61 66 73
20 FT WIND DIR..S S S S S S S S
20 FT WIND SPD..7 7 7 7 8 8 7 7
20 FT WIND GUST.12 10 10 10 13 13 14 14
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.10 10 9 9 9 9 9 9
LVORI...........2 2 2 2 2 3 3 3
ADI.............7 9 8 8 8 8 8 8
VRATE MPH-FT/10003 3 3 3 3 3 3 3
CEILING (HFT)...240 240 240 230 230 210 200 190
VISIBILITY (SM).10 10 10 10 10 10 10 10
SFC PRES (IN)...699 699 699 698 698 697 696 695
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
CHANCE OF THUNDER...3 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 15 MPH INCREASING TO 17 TO 20 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1726 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (66750 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 EARLY IN THE MORNING INCREASING TO 50 IN THE
AFTERNOON.
STABILITY CLASS.....3.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........9000 DECREASING TO 1900 BY MIDDAY.
VISIBILITY (SM).....9.
SFC PRESSURE (IN)...26.88.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 88 93 88 90 85 82 78 72 71 66 65
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............52 52 52 54 55 56 58 59 61 62 63 63
DEWPOINT........46 46 47 46 47 48 48 47 47 47 46 45
RH..............78 81 84 74 74 74 69 65 61 57 53 51
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..7 7 7 7 7 7 8 8 9 9 10 10
20 FT WIND GUST.14 14 13 14 16 17 20 21 23 23 23 23
MIX HGT (KFT)...0.3 0.3 0.3 0.5 1.4 1.8 2.4 2.7 3.1 3.4 3.3 3.2
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.9 8 7 9 13 14 15 17 17 20 18 18
LVORI...........4 4 4 3 3 3 3 3 1 1 1 1
ADI.............8 6 8 10 20 25 32 39 42 50 46 46
VRATE MPH-FT/10003 2 2 5 18 24 36 47 54 67 60 59
CEILING (HFT)...110 90 45 40 30 22 19 19 21 23 23 24
VISIBILITY (SM).9 9 9 9 9 9 9 10 9 9 9 9
SFC PRES (IN)...696 696 697 697 698 699 697 695 694 692 690 688
FORECASTER...TRISHA PALMER
REQUESTED BY...STUART COOMBS
TYPE OF REQUEST...WILDFIRE
.TAG 2508376.0/GSP
.DELDT 03/28/25
.FORMATTERVERSION 2.0.0
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