Spot Forecast Issued by NWS Memphis, TN
000
FNUS74 KMEG 212319
FWSMEG
Spot Forecast for Comp 130...USFS
National Weather Service Memphis TN
619 PM CDT Thu Mar 21 2024
Forecast is based on ignition time of 1900 CDT on March 21.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
A moisture plume will continue to spread across the area ahead of
a low pressure system. This system will bring wetting rain chances
back to the area late tonight and continue tomorrow. Winds will
continue to slow as the sunsets and RH values will be on the rise.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Slight chance of
rain showers after 3 am. Chance of rain showers
after 3 am.
CWR.................10 percent increasing to 30 percent.
Chance of pcpn......30 percent.
Min temperature.....Around 52.
Max humidity........93 percent.
Dewpoint............47.
Wind (20 ft)........East winds 5 to 6 mph early in the evening
becoming light, then becoming east around 5 mph
overnight becoming light.
Mixing height.......400 ft AGL.
Mixing height (MSL).400-500 ft MSL.
Mixing height (m)...122-152 meters AGL.
Transport winds.....Southeast 6 to 10 mph.
Transport winds m/s.Southeast 3 to 4 meters/second.
Smoke dispersal.....Poor (300 knot-ft).
Rainfall amount.....0.02 inches.
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........89 87 88 89 83 83 86 75 87 91 82
Weather cov..... SCH CHC CHC
Weather type.... RW RW RW
Tstm cov........
CWR.............0 0 0 0 0 0 10 10 20 30 30
Chc of pcpn (%).0 0 0 0 0 0 10 10 20 30 30
Temp............67 65 60 59 57 56 56 55 54 54 54
Dewpoint........47 47 46 47 47 47 47 47 47 48 48
RH..............49 52 60 64 69 72 72 74 77 80 80
20 FT wind dir..E E E E E E E E E SE SE
20 FT wind spd..5 6 6 3 3 5 3 3 3 3 3
20 FT wind gust.8 8 8 8 8 6 6 6 6 6 6
Mix hgt (kft)...0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Mx ht msl (kft).0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Mix hgt (km)....0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.SE E E E SE SE SE S SE S SE
Transp wind spd.9 10 9 9 9 8 8 7 7 6 7
Trans wind dir..SE E E E SE SE SE S SE S SE
Trans spd (m/s).4 4 4 4 4 4 4 3 3 3 3
Vrate kt-ft/1K..1 1 1 1 1 1 1 0 0 0 0
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR
.FRIDAY...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain
showers in the morning, then rain showers
likely late in the morning. Rain showers in the
afternoon.
CWR.................50 percent decreasing to 40 percent early in
the morning, then increasing to 50 percent late
in the morning increasing to 60 percent late in
the morning increasing to 80 percent increasing
to 90 percent late in the afternoon decreasing
to 80 percent.
Chance of pcpn......90 percent.
Max temperature.....Around 60.
Min humidity........75 percent.
Dewpoint............50 increasing to 53 late in the afternoon.
Wind (20 ft)........Light winds becoming east 5 to 9 mph with gusts
to around 16 mph early in the morning.
Mixing height.......2000 ft AGL.
Mixing height (MSL).400-2000 ft MSL.
Mixing height (m)...122-610 meters AGL.
Transport winds.....Southeast 6 to 15 mph shifting to the east 13
to 16 mph late in the afternoon.
Transport winds m/s.East 3 to 7 meters/second.
Smoke dispersal.....Poor (300 knot-ft).
Rainfall amount.....0.33 inches.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85 79 79 83 81 87 91 93 93 93 90 91
Weather cov.....CHC CHC CHC CHC CHC LKY LKY DEF DEF DEF DEF DEF
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........
CWR.............50 40 40 40 50 60 60 80 80 90 90 80
Chc of pcpn (%).50 40 40 40 50 60 60 80 80 90 90 80
Temp............53 53 52 54 57 58 59 59 60 59 60 59
Dewpoint........48 49 50 51 52 52 52 52 52 53 53 53
RH..............83 86 93 90 83 80 78 78 75 80 78 80
20 FT wind dir..SE SE E E E E E E E E E NE
20 FT wind spd..3 3 5 6 7 7 8 9 9 7 8 8
20 FT wind gust.6 7 8 10 11 14 14 16 16 14 13 12
Mix hgt (kft)...0.4 0.7 0.7 0.9 1.4 1.4 1.7 1.9 2.0 1.9 1.7 1.9
Mx ht msl (kft).0.4 0.7 0.7 0.9 1.4 1.4 1.7 1.9 2.0 1.9 1.7 1.9
Mix hgt (km)....0.1 0.2 0.2 0.3 0.4 0.4 0.5 0.6 0.6 0.6 0.5 0.6
Transp wind dir.SE SE SE SE SE SE E E E E E E
Transp wind spd.6 7 9 9 13 13 14 15 16 16 14 13
Trans wind dir..SE SE SE SE SE SE E E E E E E
Trans spd (m/s).3 3 4 4 6 6 6 7 7 7 6 6
Vrate kt-ft/1K..0 1 1 1 2 2 3 4 4 4 3 3
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
early in the evening, then chance of rain
showers in the evening.
CWR.................80 percent decreasing to 0 percent.
Chance of pcpn......80 percent.
Min temperature.....Around 48.
Max humidity........100 percent.
Dewpoint............51.
Wind (20 ft)........Northeast winds 7 to 8 mph shifting to the
north 6 to 8 mph overnight.
Mixing height.......400 ft AGL.
Mixing height (MSL).400-1600 ft MSL.
Mixing height (m)...122-488 meters AGL.
Transport winds.....Northeast 9 to 13 mph shifting to the north 10
to 15 mph overnight.
Transport winds m/s.North 4 to 7 meters/second.
Smoke dispersal.....Poor (600 knot-ft).
Rainfall amount.....0.11 inches.
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM
Sky (%).........91 87 79 66
Weather cov.....DEFNTE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR NONE
Tstm cov........
CWR.............80 30 30 0
Chc of pcpn (%).80 30 30 0
Temp............59 55 53 51
Dewpoint........53 53 53 51
RH..............80 93 98 100
20 FT wind......NE 8G12 N 8G12 N 7G10 N 6G12
Mix hgt (ft)....1600 600 500 400
Mx ht msl (ft)..1600 600 500 400
Mix hgt (m).....490 180 150 120
Transport wind..NE 13 NE 12 N 9 N 12
Tran wind (m/s).NE 6 NE 5 N 4 N 5
Vrate kt-ft/1K..3 1 1 1
Ventrate Cat....POOR POOR POOR POOR
$$
Forecaster...Meadows
Requested by...John Townsend
Type of request...PRESCRIBED
.TAG 2407958.1/MEG
.DELDT 03/21/24
.FormatterVersion 2.0.0
.EMAIL john.townsend@usda.gov