021
FNUS72 KILM 281003
FWSILM
SPOT FORECAST FOR MCLEAN RX...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE WILMINGTON NC
603 AM EDT THU MAY 28 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MAY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...OR IF YOU HAVE QUESTIONS
OR CONCERNS ABOUT THIS FORECAST...CONTACT THE NATIONAL WEATHER
SERVICE IN WILMINGTON AT 910-762-1374.
DISCUSSION
GUSTY WEST-SOUTHWEST WINDS WILL DECREASE MID TO LATE MORNING AS LOW
LEVEL JET WEAKENS. TROPICAL AIR MASS REMAINS IN PLACE TODAY WITH
THE SEA BREEZE HUNG UP NEAR THE COAST BY WEST-SOUTHWEST WINDS.
SCATTERED TO WIDESPREAD AFTERNOON SHOWERS AND THUNDERSTORMS WILL
DEVELOP AS A COLD FRONT MOVES IN FROM THE NORTH MID TO LATE
AFTERNOON. THE FRONT WILL PUSH SOUTH OF THE AREA LATER TONIGHT WITH
NORTHEAST WINDS SETTING UP OVERNIGHT.
FOG POTENTIAL FOR TONIGHT IS LOW.
TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........50-55 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH WITH GUSTS TO AROUND 18
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MAX MIXING HGT......4800 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 17 MPH SHIFTING TO THE NORTH AROUND
14 MPH LATE IN THE AFTERNOON.
MAX VENT RATE.......GOOD (71195 MPH-FT).
MAX LVORI...........5.
MAX ADI.............84.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 61 57 53 52 52 54 58 74 83 80 80
WEATHER COV..... SCH CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC CHC CHC
CHC OF THDR (%).0 10 0 10 10 10 20 20 20 40 40 40
TEMP............74 74 76 79 82 85 87 88 88 87 86 85
RH..............96 95 92 85 77 70 65 59 56 60 62 62
20 FT WIND DIR..W W W W W W NW NW W NW NW W
20 FT WIND SPD..6 7 9 9 9 9 9 8 7 8 7 7
20 FT WIND GUST.15 18 18 18 15 15 14 13 13 14 13 13
MIX HGT (KFT)...0.6 0.6 1.5 1.9 2.5 3.4 3.8 4.4 4.8 4.6 3.6 3.5
TRANSP WIND DIR.W W W W W W W W NW NW NW N
TRANSP WIND SPD.14 14 16 17 16 17 16 16 15 15 14 14
STABILITY.......B B C C C B C B C C C C
LVORI...........5 5 4 4 3 3 1 1 1 1 1 1
ADI.............14 14 31 40 46 71 58 84 60 60 49 48
VRATE MPH-FT/1K.8 8 24 32 40 59 61 71 71 69 50 49
VENTRATE CAT....PR PR PR PR FR FR GD GD GD GD FR FR
SFC PRES (IN)...990 990 991 991 991 991 991 991 987 987 987 985
TONIGHT
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY (40-70 PERCENT). SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE EVENING.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....AROUND 62.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 6 MPH SHIFTING TO THE
NORTH EARLY IN THE EVENING, THEN BECOMING LIGHT
EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
MIN MIXING HGT......500 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 12 MPH SHIFTING TO THE EAST 8 TO 12
MPH IN THE LATE EVENING AND OVERNIGHT.
MIN VENT RATE.......POOR (3666 MPH-FT).
MAX LVORI...........5.
MIN ADI.............3.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........69 57 36 41 42 31 39 33 42 27 59 51
WEATHER COV.....SCH
WEATHER TYPE....RW
TSTM COV........SCH
CHC OF THDR (%).20 10 10 0 0 0 0 0 0 0 0 0
TEMP............83 81 79 76 75 74 72 71 70 67 66 66
RH..............67 74 80 81 82 82 83 84 84 86 86 85
20 FT WIND DIR..NW N NE E E E E E E E NE NE
20 FT WIND SPD..6 6 3 1 2 2 3 2 2 2 2 2
20 FT WIND GUST.12 12 13 10 4 6 7 6 6 6 6 6
MIX HGT (KFT)...2.3 1.4 0.5 0.5 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.N N N E E E E E E E NE NE
TRANSP WIND SPD.12 9 7 8 9 10 10 12 12 10 10 10
STABILITY.......E F F F F F F F F F F F
LVORI...........3 3 4 5 4 4 4 5 5 5 5 5
ADI.............8 4 3 4 4 5 5 5 5 5 5 5
VRATE MPH-FT/1K.26 13 4 4 4 5 6 6 6 5 5 5
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
SFC PRES (IN)...985 985 987 987 987 991 991 991 994 994 994 996
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT LATE
IN THE MORNING BECOMING SOUTHEAST AROUND 5 MPH
LATE IN THE AFTERNOON.
MAX MIXING HGT......5400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 13 MPH SHIFTING TO THE SOUTHEAST
AROUND 9 MPH LATE IN THE AFTERNOON.
MAX VENT RATE.......FAIR (44080 MPH-FT).
MAX LVORI...........5.
MAX ADI.............55.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 52 56 44 24 38 33 42 31 20 27 40
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............64 65 67 71 76 79 80 82 83 82 82 81
RH..............86 83 83 76 63 55 52 50 47 50 50 51
20 FT WIND DIR..NE NE NE NE NE NE E E E SE SE SE
20 FT WIND SPD..3 3 3 3 5 3 3 3 3 3 5 5
20 FT WIND GUST.7 8 8 8 8 7 7 6 6 7 7 7
MIX HGT (KFT)...0.5 0.6 1.2 2.3 3.2 4.0 4.5 4.9 5.4 4.8 4.1 3.8
TRANSP WIND DIR.NE NE NE E NE NE NE E NE SE SE S
TRANSP WIND SPD.10 10 13 13 10 9 9 8 8 9 9 9
STABILITY.......B C A A A A A A A A A A
LVORI...........5 4 3 3 1 1 1 1 1 1 1 1
ADI.............11 8 20 38 43 47 52 50 54 55 47 45
VRATE MPH-FT/1K.5 6 16 29 33 37 42 40 43 44 37 35
VENTRATE CAT....PR PR PR PR PR PR FR PR FR FR PR PR
SFC PRES (IN)...996 996 000 000 000 001 001 001 997 997 997 992
FORECASTER...LEBO
REQUESTED BY...NATHAN BURMESTER
TYPE OF REQUEST...PRESCRIBED
.TAG 2614591.0/ILM
.DELDT 05/28/26
.FORMATTERVERSION 2.0.0
.EMAIL NATHAN.BURMESTER@TNC.ORG
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