Spot Forecast Issued by NWS St. Louis, MO
000
FNUS73 KLSX 221258
FWSLSX
Spot Forecast for Runge...Missouri Department of Conservation
National Weather Service Saint Louis MO
758 AM CDT Fri Mar 22 2024
Forecast is based on ignition time of 0800 CDT on March 22.
If conditions become unrepresentative, contact the
National Weather Service.
.DISCUSSION...
A cold front will move through your location at around 1 PM, switching
winds from southeasterly to northerly and increasing them as it
approaches and passes. Cloud cover will increase this morning as it
nears. There is a slight chance (15 to 25%) of rain behind the front,
beginning at around 2 PM and lasting through the afternoon.
.REST OF TODAY...
Sky/weather.........Mostly sunny (30-40 percent) then becoming
mostly cloudy (75-85 percent). Slight chance of
rain late in the afternoon. Chance of rain late
in the afternoon.
Temperature.........42 at ignition...Max 71.
RH..................60 percent at ignition...Min 38 percent.
Wind (20 ft)........Winds southeast at 3 mph at
ignition...otherwise Light winds becoming west
5 to 7 mph early in the afternoon, then
shifting to the northwest 9 to 12 mph with
gusts to around 20 mph late in the afternoon.
Eye level winds.....Winds southeast at 1 to 2 mph at ignition...
otherwise winds becoming northwest from 5 to 8
mph late in the afternoon...using an adjustment
factor of 0.4.
Mixing height.......400 ft AGL at ignition...otherwise max 4700 ft
AGL.
Transport winds.....South 8 to 12 mph shifting to the west 12 to 16
mph late in the morning, then shifting to the
north around 22 mph late in the afternoon.
Smoke dispersal.....Poor /390 m/s-m/ at ignition. Max...good /8040
m/s-m/.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM
Sky (%).........14 22 35 56 79 87
Weather cov..... CHANCE CHANCE
Weather type....NONE NONE NONE NONE RAIN RAIN
Tstm cov........
Temp............42 53 64 68 66 56
RH..............60 48 38 42 47 53
20 ft wind......SE 3 S 4 W 5 NW 7 NW 11 N 13
20 ft wind gust.6 9 10 13 17 23
Eye level wind..SE 1 S 2 W 2 NW 3 NW 5 N 6
Eye lvl wnd gst.3 4 5 6 8 10
Mix hgt (kft)...0.4 1.1 3.3 4.7 3.7 2.1
Transport wind..S 8 SW 12 W 13 W 13 NW 16 N 23
Vrate kt-ft/1K..3 11 36 51 51 42
Ventrate Cat....POOR POOR POOR FAIR FAIR FAIR
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
early in the evening, then slight chance of
rain early in the evening.
Temperature.........Min 31.
RH..................Max 75 percent.
Wind (20 ft)........North winds 9 to 15 mph with gusts to around 24
mph.
Eye level winds.....North winds 3 to 6 mph with gusts to around 10
mph...using an adjustment factor of 0.4.
Mixing height.......Min 2100 ft AGL.
Transport winds.....North 16 to 25 mph.
Smoke dispersal.....Good (9550 m/s-m) early in the evening
decreasing to marginal min (4870 m/s-m) late in
the night.
.SATURDAY...
Sky/weather.........Mostly sunny (30-40 percent).
Temperature.........Max 52.
RH..................Min 33 percent.
Wind (20 ft)........Northeast winds 8 to 10 mph shifting to the
east 7 to 8 mph late in the afternoon.
Eye level winds.....Northeast winds 2 to 4 mph shifting to east
in the afternoon.
Mixing height.......Max 4100 ft AGL.
Transport winds.....Northeast 12 to 17 mph shifting to the east 9
to 10 mph late in the afternoon.
Smoke dispersal.....Poor (3940 m/s-m) early in the morning
increasing to fair max (6550 m/s-m) in the
afternoon.
$$
Forecaster...Jaja
Requested by...Rich Blatz
Type of request...PRESCRIBED
.TAG 2408174.0/LSX
.DELDT 03/22/24
.FormatterVersion 2.0.0