Spot Forecast
Issued by NWS Topeka, KS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
000
FNUS73 KTOP 191244
FWSTOP

SPOT FORECAST for Redwood Sign Prairie...USFWS
National Weather Service Topeka KS
744 AM CDT Fri Apr 19 2024

Forecast is based on ignition time of 0800 CDT on April 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

Partly sunny skies and northeasterly surface winds
around 6 mph, becoming variable and near calm tonight.
Good smoke dispersal rates today. Minimum relative
humidity values range from 25% to 28%.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Chance of pcpn......0 percent.
Temperature.........43 at ignition...Max 62.
RH..................65 percent at ignition...Min 28 percent.
Wind (20 ft)........
 Slope/valley.......Winds northeast at 5 mph at
                    ignition...otherwise Northeast winds 5 to 8
                    mph.
Mixing height.......500 ft AGL at ignition...otherwise 5500 ft AGL.
Smoke dispersal.....Poor /4800 knot-ft/ at ignition. Max...good
                    /44000 knot-ft/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  PC  PC  PC  PC  PC  PC  PC
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............43  46  52  55  57  58  61  61  61  62
RH..............65  58  45  39  35  31  29  28  28  29
20 FT wind dir..NE  NE  E   NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..5   7   7   8   8   8   8   7   7   7
20 FT wind gust.14  14  14  13  13  9   9   9   8   9
Mix hgt (kft)...0.5 1.5 2.3 3.0 3.7 4.4 4.8 5.2 5.4 5.5
Haines index....4   4   4   4   4   4   4   4   4   4
SDspl kt-ft/10005   19  30  36  41  44  43  41  43  44

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of pcpn......10 percent.
Temperature.........Min 41.
RH..................Max 65 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 7 mph in the evening
                    becoming light, then becoming northeast 5 to 9
                    mph overnight.
Mixing height.......400 ft AGL.
Smoke dispersal.....Good (40300 knot-ft) early in the evening
                    decreasing to poor (2000 knot-ft) late in the
                    night.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLEAR MCLEAR MCLEAR PCLDY  PCLDY  MCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      10     10     10
Temp............60     55     49     47     45     43
RH..............30     39     52     57     59     64
20 FT wind dir..NE     NE     NE     NE     NE     N
20 FT wind spd..7      6      5      4      5      8
20 FT wind gust.8      9      9      7             9
Mix hgt (ft)....5000   500    400    400    500    500
Haines index....4      4      4      4      4      3
SDspl kt-ft/100040     4      3      2      3      6

.SATURDAY...

Sky/weather.........Mostly cloudy.
Chance of pcpn......10 percent.
Temperature.........Max 56.
RH..................Min 38 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 9 to 11 mph. Gusts up to 20 mph
                    early in the morning.
Mixing height.......4500 ft AGL.
Smoke dispersal.....Poor (7300 knot-ft) early in the morning
                    increasing to good (54000 knot-ft) in the
                    afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky cover.......MCLDY     MCLDY     MCLDY     MCLDY
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).10        10        10        10
Temp............42        43        51        54
RH..............65        59        42        39
20 FT wind dir..NE        NE        NE        N
20 FT wind spd..9         11        11        9
20 FT wind gust.18        16        14        13
Mix hgt (ft)....600       2100      3400      4400
Haines index....3         3         3         3
SDspl kt-ft/10009         36        48        53

$$
Forecaster...Jones
Requested by...David Spencer
Type of request...PRESCRIBED
.TAG 2411389.0/TOP
.DELDT 04/19/24
.FormatterVersion 2.0.0
.EMAIL david_spencer@fws.gov


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.