500
FNUS71 KLWX 231249
FWSLWX
SPOT FORECAST FOR MILLS CREEK UNIT 1...USFS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
849 AM EDT MON SEP 23 2019
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD FRONT WILL APPROACH FROM THE WEST TODAY, PASSING ACROSS THE
REGION THIS EVENING AND TONIGHT. HOT TEMPERATURES ARE EXPECTED AND
A FEW SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE POSSIBLE
WITH THIS FRONT. HIGH PRESSURE AND DRY CONDITIONS WILL THEN RETURN
TUESDAY AND WEDNESDAY. ANOTHER COLD FRONT WILL CROSS THE AREA
THURSDAY, BUT THE CHANCES FOR WIDESPREAD RAINFALL ARE VERY LOW.
LVORI INDEX WILL BE BETWEEN 6 AND 7 MEANING THAT THE RISK OF
LOW VISIBILITIES IS LOW.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
SHOWERS LATE IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 8 MPH.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 23 MPH.
SMOKE DISPERSAL.....GOOD (48000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (113100 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 10 AM NOON 2 PM 4 PM
SKY (%).........24 21 34 56
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
CWR.............0 0 10 10
TEMP............76 81 84 86
RH..............60 49 43 42
20 FT WIND......W 7 W 8 W 7 W 8
20 FT WIND GUST.12 13 11 13
MIX HGT (FT)....3000 5700 6600 5500
MIXNG WIND......W 18 W 23 W 17 W 18
VRATE KT-FT/100048 113 99 89
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS EARLY IN THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT EARLY IN
THE EVENING.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (38300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (0 KNOT-FT) LATE IN THE
NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........63 55 51 44 34 27
WEATHER COV.....S CHC
WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE
CWR.............20 10 10 10 0 0
TEMP............81 73 69 66 65 62
RH..............51 68 78 87 87 87
20 FT WIND......W 7 W 6 W 6 W 6 NW 6 NW 6
20 FT WIND GUST.11 10 10 10 8 7
MIX HGT (FT)....2900 200 BLW100 200 200 200
MIXNG WIND......W 15 W 7 W 7 W 8 W 7 NW 6
VRATE KT-FT/100038 1 0 2 1 1
TUESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 14 MPH.
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (54900 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........19 7 2 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
CWR.............0 0 0 0
TEMP............59 65 73 76
RH..............90 70 49 39
20 FT WIND......NW 5G7 NW 6G10 NW 6G10 NW 6G10
MIX HGT (FT)....BLW100 1000 4000 5500
MIXNG WIND......NW 6 NW 8 NW 14 NW 12
VRATE KT-FT/10000 7 48 55
FORECASTER...ROSA
REQUESTED BY...LARRY SHAW
TYPE OF REQUEST...PRESCRIBED
.TAG 1915039.11/LWX
.DELDT 09/23/19
.FORMATTERVERSION 1.0.26
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