Spot Forecast
Issued by NWS Shreveport, LA
Issued by NWS Shreveport, LA
Versions:
1
924
FNUS74 KSHV 222122
FWSSHV
Spot Forecast for KRD PRAIRIES...USFS
National Weather Service Shreveport LA
422 PM CDT Sun Sep 22 2024
Forecast is based on ignition time of 0800 CDT on September 23.
If conditions become unrepresentative...contact the National Weather
Service.
Please contact our office at (318) 631-3669 ext. 241, if you have questions
or concerns with this forecast.
.DISCUSSION...
Stable conditions expected on Monday as upper-level ridge remains
in place across the burn site. Afternoon high temperatures are
forecast to climb into the lower 90s with RH values decreasing to
around 50 percent. Conditions to become less conducive on Tuesday
as a frontal boundary brings increased rain chances across the
area.
.MONDAY...
Sky/weather.........Mostly sunny (25-35 percent). Patchy fog early
in the morning.
CWR.................0 percent.
Temperature.........73 at ignition...Max 91.
RH..................96 percent at ignition...Min 49 percent.
Wind (20 ft)........
Slope/valley.......Winds south at 1 mph at ignition...otherwise
Light winds.
Mixing height.......300 ft AGL at ignition...otherwise 6300 ft AGL.
Mixing height (m)...300 meters AGL at ignition...otherwise 91-1920
meters AGL.
Transport winds.....South 3 to 6 mph.
Transport winds m/s.South 1 to 3 meters/second.
Dispersion index....13 increasing to 25 late in the morning, then
increasing to 37 late in the afternoon
decreasing to 29 late in the afternoon.
LVORI...............4.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........33 31 24 30 29 37 23 26 33 19
Weather cov.....PTY
Weather type....FOG
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Temp............73 77 82 86 88 89 91 90 90 89
RH..............96 87 78 64 60 54 49 50 50 50
20 FT wind dir..S SW SW SW SW S S S S S
20 FT wind spd..1 1 1 1 2 2 2 2 2 2
20 FT wind gust.4 4 5 5 5 6 6 6 6 6
Mix hgt (kft)...0.3 0.9 2.1 3.5 4.4 5.5 6.0 6.3 5.8 4.8
Mix hgt (km)....0.1 0.3 0.6 1.1 1.3 1.7 1.8 1.9 1.8 1.5
Transp wind dir.SW SW SW S S S S S S S
Transp wind spd.3 6 6 6 6 6 6 6 6 6
Trans wind dir..SW SW SW S S S S S S S
Trans spd (m/s).1 3 3 3 3 3 3 3 3 3
Dispersion idx..8 12 17 22 28 33 38 41 40 29
LVORI...........7 5 3 2 1 1 1 1 1 1
.MONDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
CWR.................10 percent.
Temperature.........Min 71.
RH..................Max 100 percent.
Wind (20 ft)........
Slope/valley.......Light winds.
Mixing height.......300 ft AGL.
Mixing height (m)...91-762 meters AGL.
Transport winds.....South 5 to 8 mph shifting to the southwest 7 to
8 mph overnight.
Transport winds m/s.Southeast around 2 meters/second shifting to
the southwest 3 to 4 meters/second overnight.
Dispersion index....15 decreasing to 2.
LVORI...............6.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........37 30 31 35 34 19 22 25 26 27 28 28
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 10 10 10 10 10 10 10 10 10 10 10
Temp............87 84 79 77 76 75 75 75 75 73 72 71
RH..............58 66 75 84 84 87 90 90 92 95 100 100
20 FT wind dir..S S S S S S S S SW SW SW SW
20 FT wind spd..2 2 2 2 2 2 2 2 2 2 2 2
20 FT wind gust.6 6 6 6 6 6 7 7 7 7 6 6
Mix hgt (kft)...2.5 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.5 0.6 0.4
Mix hgt (km)....0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.1
Transp wind dir.SE SE S S S S SW SW SW SW SW W
Transp wind spd.5 7 7 8 7 7 7 8 8 7 7 7
Trans wind dir..SE SE S S S S SW SW SW SW SW W
Trans spd (m/s).2 3 3 4 3 3 3 4 4 3 3 3
Dispersion idx..15 3 0 1 3 3 3 4 3 3 3 3
LVORI...........2 3 4 5 6 6 6 6 7 8 9 9
.TUESDAY...
Sky/weather.........Mostly sunny (35-45 percent). Patchy fog early
in the morning. Slight chance of thunderstorms
early in the afternoon. Chance of showers in
the afternoon. Chance of thunderstorms late in
the afternoon.
CWR.................10 percent increasing to 30 percent in the
afternoon.
Temperature.........Max 89.
RH..................Min 57 percent.
Wind (20 ft)........
Slope/valley.......Light winds. Gusty and erratic winds expected
near thunderstorms early in the afternoon.
Gusty and erratic winds expected near
thunderstorms late in the afternoon.
Mixing height.......5100 ft AGL.
Mixing height (m)...91-1554 meters AGL.
Transport winds.....West 5 to 7 mph.
Transport winds m/s.West 2 to 3 meters/second.
Dispersion index....7 increasing to 20 late in the morning, then
increasing to 34 late in the morning increasing
to 47 early in the afternoon decreasing to 39
decreasing to 29 late in the afternoon
decreasing to 19.
LVORI...............6.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28 28 29 30 31 37 42 48 48 49 49 48
Weather cov.....PTY PTY CHC CHC CHC CHC CHC
Weather type....FOG FOG RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC
CWR.............10 10 10 10 10 10 10 30 30 30 30 30
Temp............71 72 75 79 82 85 87 88 89 89 88 86
RH..............100 96 90 82 76 69 63 59 58 56 57 61
20 FT wind dir..SW SW W W W NW NW NW N N N NE
20 FT wind spd..1 1 1 2 2 2 2 2 2 2 2 2
20 FT wind gust.5 5 5 6 6 6 6 6 6 6 6 6
Mix hgt (kft)...0.3 0.3 0.8 1.6 2.4 3.4 4.4 5.0 5.1 4.8 4.1 2.8
Mix hgt (km)....0.1 0.1 0.2 0.5 0.7 1.0 1.3 1.5 1.6 1.5 1.2 0.9
Transp wind dir.W W W W W W W NW NW W W W
Transp wind spd.6 6 6 7 7 7 7 7 6 6 5 5
Trans wind dir..W W W W W W W NW NW W W W
Trans spd (m/s).3 3 3 3 3 3 3 3 3 3 2 2
Dispersion idx..3 6 10 16 23 34 44 49 46 39 29 19
LVORI...........10 9 7 5 3 2 1 1 1 1 2 2
$$
Forecaster...MAYEAUX
Requested by...Nathan Miller
Type of request...PRESCRIBED
.TAG 2422866.0/SHV
.DELDT 09/22/24
.FormatterVersion 1.0.26
.EMAIL nathan.w.miller@usda.gov