179
FNUS71 KAKQ 112034
FWSAKQ
SPOT FORECAST FOR JHK MERIFIELD...USACE
NATIONAL WEATHER SERVICE WAKEFIELD VA
334 PM EST WED FEB 11 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT 757-899-5734.
DISCUSSION
HIGH PRESSURE BUILDS IN FROM THE NORTHWEST OVERNIGHT INTO THURSDAY,
BRINGING MUCH COOLER AND DRY CONDITIONS, WITH A NORTHWEST WIND.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 9 MPH.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (43585 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (72450 MPH-FT) IN THE
AFTERNOON.
LVORI...............1.
ADI.................53 TO 84.
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 16 16 15 13 10 15 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0
TEMP............41 43 45 46 48 49 49 47
RH..............45 39 35 33 31 30 29 33
20 FT WIND DIR..NW NW NW NW NW NW NW NW
20 FT WIND SPD..6 6 7 7 7 6 6 5
20 FT WIND GUST.11 12 12 12 12 11 11 9
MIX HGT (KFT)...3.4 3.8 4.2 4.5 4.6 4.7 4.8 3.6
TRANSP WIND DIR.NW NW NW NW NW NW NW NW
TRANSP WIND SPD.13 13 13 13 14 15 15 14
LVORI...........1 1 1 1 1 1 1 1
ADI.............53 57 62 70 76 82 84 58
VRATE MPH-FT/1K.43 46 52 59 64 70 72 48
VENTRATE CAT....PR FR FR FR FR GD GD FR
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 25.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (26449 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (4140 MPH-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................3 TO 5.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........23 21 26 29 32 23 14 5 5 4 4 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 43 40 38 36 34 33 31 29 28 26 25
RH..............39 41 46 50 52 56 58 63 69 68 74 78
20 FT WIND DIR..NW NW NW NW NW NW NW N N NW NW NW
20 FT WIND SPD..4 4 3 3 3 3 2 2 2 1 1 1
20 FT WIND GUST.7 6 6 5 5 5 5 3 3 2 2 2
MIX HGT (KFT)...2.4 1.1 1.1 1.1 1.1 1.1 1.0 0.9 0.9 0.8 0.7 0.6
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.12 9 9 9 10 9 9 8 8 7 7 7
LVORI...........2 2 2 2 2 3 3 3 3 3 3 5
ADI.............5 4 4 4 4 4 4 4 4 3 3 3
VRATE MPH-FT/1K.26 10 10 11 11 10 9 7 6 5 4 4
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 7 MPH SHIFTING TO THE WEST
AROUND 6 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3104 MPH-FT) EARLY IN THE MORNING
INCREASING TO FAIR (24609 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 TO 30.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 5 5 5 5 5 4 4 4 3 3 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............24 24 27 32 36 39 42 45 47 48 48 46
RH..............81 81 71 58 50 44 39 35 32 30 30 34
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW W
20 FT WIND SPD..1 1 1 1 2 2 2 2 2 2 2 1
20 FT WIND GUST.2 2 2 3 3 3 5 7 7 6 5
MIX HGT (KFT)...0.6 0.5 1.1 1.7 2.3 2.6 2.9 3.2 3.3 3.4 3.6 2.7
TRANSP WIND DIR.NW NW NW NW NW NW NW W W W W W
TRANSP WIND SPD.7 6 6 6 6 6 6 6 6 7 7 6
LVORI...........4 4 3 2 2 2 2 2 2 2 2 2
ADI.............6 6 8 13 17 19 20 23 26 29 30 20
VRATE MPH-FT/1K.3 3 6 9 13 14 16 18 20 23 24 15
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...BROWN
REQUESTED BY...ALEC MITCHELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2602482.0/AKQ
.DELDT 02/11/26
.FORMATTERVERSION 2.0.0
.EMAIL ALEC.B.MITCHELL@USACE.ARMY.MIL
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