Spot Forecast
Issued by NWS Sterling, VA

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FNUS71 KLWX 160148
FWSLWX

Spot Forecast for Mills RX...USDA
National Weather Service Baltimore MD/Washington DC
948 PM EDT Mon Apr 15 2024

Forecast is based on ignition time of 0800 EDT on April 16.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

A cold front will move and settle to the south of the region
overnight and Tuesday before returning north as a warm front on
Wednesday. A weak cold front tracks through on Thursday before a
stronger frontal system approaches the area by late in the work
week. Above normal temperatures are likely this week before
turning cooler this weekend.

.TUESDAY...

Sky/weather.........Partly sunny (50-60 percent). Chance of rain
                    showers and slight chance of thunderstorms late
                    in the afternoon.
CWR.................0 percent increasing to 30 percent late in the
                    afternoon.
Max temperature.....Around 72.
Min humidity........46 percent.
Eye level winds.....East winds around 4 mph shifting to the south
                    around 5 mph late in the afternoon.
Wind (20 ft)........East winds around 7 mph shifting to the south 7
                    to 9 mph in the afternoon. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Transport winds.....East 8 to 12 mph shifting to the southwest 6 to
                    7 mph late in the afternoon.
Smoke dispersal.....Poor (12600 knot-ft) early in the morning
                    increasing to fair (16700 knot-ft) in the
                    afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........48  49  46  50  54  58  60  58  54  53
Weather cov.....                        CHC CHC CHC CHC
Weather type....                        RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH
CWR.............0   0   0   0   0   0   30  30  30  30
Temp............57  59  62  64  66  68  70  71  71  71
RH..............69  62  56  52  50  49  49  46  49  49
20 FT wind dir..E   E   E   SE  SE  S   S   S   S   S
20 FT wind spd..7   6   7   7   7   7   8   9   9   9
20 FT wind gust.10  9   10  10  10  12  13  13  14  14
Eye lvl wnd dir.E   E   E   SE  SE  S   S   S   S   S
Eye lvl wnd spd.4   4   4   4   4   4   5   5   5   5
Eye lvl wnd gst.6   5   6   6   6   7   8   8   8   8
Transp wind dir.E   E   E   E   SE  S   S   S   SW  SW
Transp wind spd.12  10  9   8   7   6   6   6   7   7
Haines index....2   2   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..14  16  17  16  15  13  13  13  15  14
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TUESDAY NIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). Chance of rain
                    showers and slight chance of thunderstorms
                    early in the evening.
CWR.................30 percent decreasing to 10 percent early in
                    the evening.
Min temperature.....Around 58.
Max humidity........81 percent.
Eye level winds.....South winds up to 5 mph.
Wind (20 ft)........South winds 6 to 9 mph. Gusty and erratic winds
                    expected near thunderstorms early in the
                    evening.
Transport winds.....South 2 to 8 mph.
Smoke dispersal.....Poor (300 knot-ft).
Haines Index........2 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........57     68     65     60     72     74
Weather cov.....CHANCE
Weather type....RNSHWR NONE   NONE   NONE   NONE   NONE
Tstm cov........S CHC
CWR.............30     10     10     10     10     10
Temp............69     66     63     61     60     59
RH..............55     61     65     70     72     78
20 ft wind......S 9    S 8    S 7    S 8    S 7    S 6
20 ft wind gust.14     13     12     12     10     10
Eye level wind..S 5    S 5    S 4    S 5    S 4    S 4
Eye lvl wnd gst.8      8      7      7      6      6
Transport wind..S 8    S 8    S 3    S 3    S 6    S 5
Haines index....4      5      4      3      2      2
Vrate kt-ft/1K..12     3      0      0      1      1
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.WEDNESDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers late in the afternoon. Slight chance of
                    thunderstorms late in the afternoon.
CWR.................10 percent increasing to 30 percent late in the
                    afternoon.
Max temperature.....Around 72.
Min humidity........55 percent.
Eye level winds.....South winds up to 9 mph.
Wind (20 ft)........South winds 6 to 15 mph. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Transport winds.....South 3 to 12 mph increasing to 14 to 15 mph
                    late in the afternoon.
Smoke dispersal.....Poor (700 knot-ft) early in the morning
                    increasing to good (35100 knot-ft) in the
                    afternoon.
Haines Index........2 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........79     87     85     74     62     56
Weather cov.....                            CHANCE CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........
CWR.............10     10     10     10     30     30
Temp............59     59     62     66     69     71
RH..............78     80     78     68     59     55
20 ft wind......S 6    S 6    S 8    S 9    S 12   S 14
20 ft wind gust.9      9      12     14     16     21
Eye level wind..S 4    S 4    S 5    S 5    S 7    S 8
Eye lvl wnd gst.5      5      7      8      10     13
Transport wind..S 3    S 5    S 5    S 6    S 9    S 14
Haines index....2      3      4      4      5      5
Vrate kt-ft/1K..1      1      2      5      15     32
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...Witt
Requested by...Chris Schultz
Type of request...PRESCRIBED
.TAG 2410792.2/LWX
.DELDT 04/15/24
.FormatterVersion 2.0.0
.EMAIL christopher.schultz@usda.gov


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