Spot Forecast
Issued by NWS St. Louis, MO

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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


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