553
FNUS71 KLWX 111302
FWSLWX
SPOT FORECAST FOR NCEEC RX...MD DNR FS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
902 AM EDT WED MAR 11 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A POWERFUL COLD FRONT WILL APPROACH FROM THE OHIO RIVER VALLEY
THROUGH THIS EVENING, THEN CROSS THE MID-ATLANTIC LATE TONIGHT INTO
THURSDAY MORNING. ABOVE NORMAL TO NEAR RECORD BREAKING TEMPERATURES
ARE EXPECTED TODAY, ALTHOUGH THERE WILL BE WAVES OF CLOUDS THAT COULD
MUTE THESE RISES IF THEY ARE THICK ENOUGH. EXPECT RH TO FALL INTO THE
50S BY THIS AFTERNOON, WITH SOUTHERLY WIND GUSTS AROUND 20 MPH.
FROM 11 AM THROUGH MID AFTERNOON, RAIN CHANCES WILL REMAIN VERY LOW,
PERHAPS A BRIEF SPRINKLE. IF THERE ARE MORE INTENSE SHOWERS AND
THUNDERSTORMS, THE TIMING WOULD LIKELY BE AFTER 5 PM. EVEN THEN,
COVERAGE MAY BE SCATTERED, BUT ANY STORMS COULD PRODUCE STRONG WINDS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................10 PERCENT EARLY IN THE AFTERNOON INCREASING TO
30 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 TO 23 MPH.
SMOKE DISPERSAL.....FAIR (14500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (73500 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........75 61 65 63 52 55 55
WEATHER COV.....CHC SCH SCH CHC CHC
WEATHER TYPE....RW RW RW RW RW
TSTM COV........ SCH SCH CHC CHC
CWR.............30 20 10 10 20 30 30
CHC OF THDR (%).0 20 0 0 20 30 30
TEMP............70 73 75 77 78 79 78
RH..............66 62 60 58 56 54 56
20 FT WIND DIR..S S SW SW S S SW
20 FT WIND SPD..6 7 8 9 10 10 10
20 FT WIND GUST.15 17 18 20 20 20 18
MIX HGT (KFT)...1.2 1.4 1.5 1.8 2.4 3.1 3.5
TRANSP WIND DIR.S S SW S SW SW SW
TRANSP WIND SPD.14 14 16 18 22 23 24
VRATE KT-FT/1K..15 16 21 29 47 62 74
VENTRATE CAT....PR PR PR PR FR GD GD
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
SHOWERS OVERNIGHT.
CWR.................30 PERCENT DECREASING TO 10 PERCENT IN
THE LATE EVENING, THEN INCREASING TO 80 PERCENT
EARLY IN THE MORNING.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH SHIFTING TO THE
WEST 12 TO 14 MPH AFTER 3 AM. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 16 TO 20 MPH.
SMOKE DISPERSAL.....GOOD (41700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO FAIR (22200 KNOT-FT) LATE IN THE
NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........55 49 55 43 44 46 51 55 70 80 88 94
WEATHER COV.....CHC SCH SCH SCH SCH SCH CHC DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........CHC SCH
CWR.............30 20 20 20 10 10 10 10 20 20 40 80
CHC OF THDR (%).30 20 10 10 10 0 0 0 10 10 10 10
TEMP............76 74 73 72 72 71 71 70 69 67 65 62
RH..............60 64 66 66 64 63 61 61 63 65 65 67
20 FT WIND DIR..SW SW S S SW SW SW SW SW SW W W
20 FT WIND SPD..9 9 8 9 9 10 12 12 12 12 12 14
20 FT WIND GUST.17 16 14 15 15 16 16 15 16 17 18 20
MIX HGT (KFT)...2.5 1.6 1.8 1.6 1.7 1.7 1.7 1.8 1.5 1.7 1.7 1.6
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.20 16 17 16 17 17 18 18 18 18 18 17
VRATE KT-FT/1K..42 23 27 22 25 26 27 29 24 27 27 24
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...SNYDER
REQUESTED BY...BROC BOWERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2605427.0/LWX
.DELDT 03/11/26
.FORMATTERVERSION 2.0.0
.EMAIL BROC.BOWERS@MARYLAND.GOV
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