National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FNUS71 KLWX 211355
FWSLWX

Spot Forecast for Mills Creek Unit 1...USFS
National Weather Service Baltimore MD/Washington DC
955 AM EDT Sat Sep 21 2019

Forecast is based on ignition time of 1000 EDT on September 21.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

High pressure overhead will slide offshore through Sunday, leading
to a warming trend in temperatures. An upper level disturbance may
lead to a few showers or perhaps even a thunderstorm in the
mountains later this afternoon. Otherwise, sunny and dry conditions
will prevail this weekend.

A cold front will pass through late Monday, bringing the
possibility of a few showers or a thunderstorm. As of now, it
appears that any precipitation amounts will be light.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent). Isolated showers
                    and thunderstorms late in the afternoon.
CWR.................10 percent increasing to 20 percent late
in the afternoon.
Max temperature.....Around 82.
Min humidity........49 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds possible
                    near thunderstorms late in the afternoon.
Mixing height.......5300 ft AGL.
Transport winds.....West 3 to 5 mph.
Smoke dispersal.....Poor (300 knot-ft) early in the morning
                    increasing to fair (21200 knot-ft) in the
                    afternoon.

TIME (EDT)      10 AM  NOON   2 PM   4 PM
SKY (%).........36     38     45     52
WEATHER COV.....                     ISOLTD
WEATHER TYPE....NONE   NONE   NONE   RNSHWR
CWR.............10     10     10     20
TEMP............70     79     82     82
RH..............68     54     49     51
20 FT WIND......W 1    NW 2   W 1    S 2
20 FT WIND GUST.
MIX HGT (FT)....100    2200   5300   4300
MIXNG WIND......W 3    W 3    W 5    W 5
VRATE KT-FT/10000      7      21     17

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (30-40 percent). Patchy fog early
                    in the morning.
CWR.................10 percent.
Min temperature.....Around 64.
Max humidity........90 percent.
Wind (20 ft)........Light winds.
Mixing height.......0 ft AGL.
Transport winds.....West 1 to 3 mph.
Smoke dispersal.....Poor (0 knot-ft).

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........53     46     47     41     23     19
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
CWR.............10     10     10     10     0      0
TEMP............78     74     71     69     68     67
RH..............62     71     76     78     78     81
20 FT WIND......SW 2   S 3    SW 3   SW 3   W 3    W 3
20 FT WIND GUST.       4      4      4      4      4
MIX HGT (FT)....2000   100    BLW100 100    100    100
MIXNG WIND......SW 3   SW 1   W 1    W 2    W 3    W 3
VRATE KT-FT/10006      0      0      0      0      0

.SUNDAY...

Sky/weather.........Sunny (20-30 percent). Patchy fog early in the
                    morning.
CWR.................10 percent.
Max temperature.....Around 85.
Min humidity........45 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
                    the afternoon.
Mixing height.......6600 ft AGL.
Transport winds.....Southwest 3 to 9 mph.
Smoke dispersal.....Poor (0 knot-ft) early in the morning
                    increasing to good (39300 knot-ft) in the
                    afternoon.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........18        16        21        33
WEATHER COV.....PATCHY
WEATHER TYPE....FOG       NONE      NONE      NONE
CWR.............0         0         0         10
TEMP............66        72        80        84
RH..............84        73        58        48
20 FT WIND......W 3G4     W 3G4     SW 3G5    SW 4G6
MIX HGT (FT)....BLW100    900       4600      6600
MIXNG WIND......W 3       W 6       NW 9      W 7
VRATE KT-FT/10000         5         37        39

$$
Forecaster...Fling
Requested by...Larry Shaw
Type of request...PRESCRIBED
.TAG 1915039.9/LWX
.DELDT 09/21/19
.FormatterVersion 1.0.26