Text Products for FWS Issued by DMX

Spot Forecast
Issued by NWS Des Moines, IA
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FNUS73 KDMX 140927
FWSDMX

Spot Forecast for Vernon...Usfws
National Weather Service Des Moines IA
427 AM CDT Sun Apr 14 2024

Forecast is based on ignition time of 0600 CDT on April 14.
If conditions become unrepresentative...contact the National Weather
Service.

An initial observation at ignition and a mid burn observation are required.

Please relay them to the National Weather Service for each prescribed burn.

.DISCUSSION...

Warm, dry conditions expected today with minimum relative humidity
values falling below 20% this afternoon. Winds will generally be
lighter today, with gusts near under 20 mph out of the north,
which will help limit fire spread but given the warm, dry
conditions and still cured fuels, fire weather conditions remain elevated
today in northern Iowa.

.TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 74.
Min humidity........18 percent.
Wind (20 ft)........North winds 8 to 16 mph.
Mixing height.......5300 ft AGL.
Transport winds.....North 9 to 18 mph increasing to 20 to 23 mph
                    late in the morning.
Smoke dispersal.....Poor (3800 knot-ft) early in the morning
                    increasing to excellent (99000 knot-ft) in the
                    afternoon.
GFDI................6 increasing to 10 late in the afternoon.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   2   1   1   1   1   1   1   1   0
Weather cov.....
Weather type....
Tstm cov........
Temp............52  50  54  58  64  67  69  71  72  73  73  74
RH..............69  74  64  55  45  40  35  29  26  23  19  18
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..8   8   8   10  13  15  16  15  15  15  14  13
20 FT wind gust.    12  13  15  17  20  20  20  20  20  18  16
Mix hgt (kft)...0.4 0.4 0.5 0.8 1.4 2.5 3.5 4.5 4.9 5.2 5.3 5.2
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.13  12  9   13  18  22  23  23  23  22  20  20
GFDI............1   1   2   3   5   7   8   9   10  11  11  9
Haines index....6   5   5   5   5   5   5   5   5   5   5   5
SDspl kt-ft/10005   4   4   9   22  47  69  89  99  99  91  89

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 47.
Max humidity........51 percent.
Wind (20 ft)........North winds 6 to 12 mph shifting to the east 6
                    to 7 mph after 3 am.
Mixing height.......300 ft AGL.
Transport winds.....North 9 to 17 mph shifting to the east 7 to 12
                    mph late in the evening.
Smoke dispersal.....Excellent (74200 knot-ft) early in the evening
                    decreasing to poor (2100 knot-ft) late in the
                    night.
GFDI................5.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........1      3      3      5      6      10
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............72     66     56     54     52     49
RH..............19     26     38     41     44     50
20 ft wind......N 12   N 7    NE 6   E 5    E 6    E 7
20 ft wind gust.15     10     9      8      9      10
Mix hgt (ft)....4900   600    500    400    400    300
Transport wind..N 17   N 9    NE 9   NE 7   E 8    E 10
GFDI............8      3      2      1      2      2
Haines index....5      5      5      5      5      5
SDspl kt-ft/100074     5      4      2      3      3

.MONDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 77.
Min humidity........18 percent.
Wind (20 ft)........East winds 8 to 17 mph shifting to the
                    southeast 18 to 22 mph in the afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....East 12 to 20 mph shifting to the southeast 22
                    to 26 mph in the late morning and afternoon.
Smoke dispersal.....Poor (3700 knot-ft) early in the morning
                    increasing to excellent (102400 knot-ft) in the
                    afternoon.
GFDI................5 increasing to 25.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........11        10        10        9
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............48        54        69        75
RH..............51        45        25        20
20 FT wind......E 8G13    E 14G21   SE 18G25  SE 22G28
Mix hgt (ft)....400       1100      3300      4300
Transport wind..E 12      E 20      SE 23     SE 25
GFDI............2         5         15        23
Haines index....5         5         5         5
SDspl kt-ft/10004         18        67        94

$$
Forecaster...KCM
Requested by...Chad loreth
Type of request...PRESCRIBED
.TAG 2410440.1/DMX
.DELDT 04/14/24
.FormatterVersion 2.0.0
.EMAIL Chad_loreth@fws.gov
National Weather Service Weather Forecast Office
