Spot Forecast
Issued by NWS Shreveport, LA
Issued by NWS Shreveport, LA
793
FNUS74 KSHV 242053
FWSSHV
Spot Forecast for KRD PRAIRIES...USFS
National Weather Service Shreveport LA
353 PM CDT Tue Sep 24 2024
Forecast is based on ignition time of 0700 CDT on September 25.
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...
A weak frontal boundary across the region will maintain a chance
for daytime showers and thunderstorms on Wednesday. Drier
conditions are expected on Thursday as northerly flow increases as
a tropical system in the Gulf approaches Florida. Afternoon RH
values on Wednesday to average around 60 percent with northerly
winds around 5 mph.
.WEDNESDAY...
Sky/weather.........Partly sunny (45-55 percent). Chance of showers
and thunderstorms.
CWR.................30 percent.
Temperature.........69 at ignition...Max 84.
RH..................100 percent at ignition...Min 61 percent.
Wind (20 ft)........
Slope/valley.......Winds north at 2 mph at ignition...otherwise
Light winds becoming northeast 5 to 7 mph in
the late morning and afternoon. Gusty and
erratic winds expected near thunderstorms.
Mixing height.......600 ft AGL at ignition...otherwise 3500 ft AGL.
Transport winds.....Northeast 6 to 10 mph.
Dispersion index....10 increasing to 26 late in the morning, then
increasing to 35 late in the afternoon
decreasing to 24 late in the afternoon.
LVORI...............5.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........55 51 51 50 50 50 53 53 53 46 46
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
CWR.............30 30 30 30 30 30 30 30 30 30 30
Temp............69 70 72 75 79 81 82 83 82 82 80
RH..............100 100 97 90 77 69 67 61 63 63 65
20 FT wind dir..N N N NE NE NE NE NE NE NE NE
20 FT wind spd..2 2 4 4 4 5 5 6 6 6 6
20 FT wind gust. 5 5 5 6 6 7 7
Mix hgt (kft)...0.6 0.6 1.1 1.3 1.8 2.7 3.2 3.5 3.4 3.1 2.3
Transp wind dir.NE NE N N NE E NE NE NE NE N
Transp wind spd.6 6 8 9 10 10 9 9 8 9 10
Dispersion idx..6 7 10 14 22 30 36 38 37 32 24
LVORI...........9 7 6 4 4 3 3 2 1 1 2
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent). Chance of
showers and thunderstorms early in the evening.
CWR.................30 percent decreasing to 10 percent.
Temperature.........Min 62.
RH..................Max 98 percent.
Wind (20 ft)........
Slope/valley.......North winds 5 to 7 mph. Gusty and erratic winds
expected near thunderstorms early in the
evening.
Mixing height.......400 ft AGL.
Transport winds.....Northeast 8 to 12 mph.
Dispersion index....9 decreasing to 4 early in the evening.
LVORI...............5.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........46 26 25 17 9 13
Weather cov.....CHANCE
Weather type....RNSHWR NONE NONE NONE NONE NONE
Tstm cov........CHANCE
CWR.............30 10 10 10 0 0
Temp............77 72 69 68 66 64
RH..............71 87 87 89 89 93
20 ft wind......NE 5 N 4 N 5 N 4 N 4 N 5
20 ft wind gust.6 5 6 5 5 6
Mix hgt (kft)...1.4 0.6 0.5 0.5 0.5 0.5
Transport wind..NE 10 NE 10 N 10 NE 9 NE 8 NE 9
Dispersion idx..13 3 5 4 3 4
LVORI...........3 5 5 6 6 6
.THURSDAY...
Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Temperature.........Max 81.
RH..................Min 49 percent.
Wind (20 ft)........
Slope/valley.......North winds 5 to 9 mph.
Mixing height.......7100 ft AGL.
Transport winds.....North 10 to 18 mph increasing to 16 to 20 mph
late in the afternoon.
Dispersion index....9 increasing to 21 early in the morning, then
increasing to 35 late in the morning increasing
to 53 late in the morning increasing to 77
increasing to 102 early in the afternoon
increasing to 122 increasing to 139 early in
the afternoon decreasing to 130 decreasing to
92 late in the afternoon.
LVORI...............4.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........9 6 1 10 13 13
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............63 65 72 77 79 80
RH..............95 88 73 60 52 49
20 ft wind......N 5 N 6 N 6 N 7 N 8 N 8
20 ft wind gust.6 7 8 10 10
Mix hgt (kft)...0.3 0.9 2.4 5.0 6.8 7.1
Transport wind..N 10 N 14 N 18 N 18 N 18 N 18
Dispersion idx..6 21 53 102 137 130
LVORI...........6 5 3 1 1 1
$$
Forecaster...MAYEAUX
Requested by...Nathan Miller
Type of request...PRESCRIBED
.TAG 2422980.0/SHV
.DELDT 09/24/24
.FormatterVersion 1.0.26
.EMAIL nathan.w.miller@usda.gov