Spot Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 222036
FWSDMX

Spot Forecast for Controlled Burn...Roland Fire Department
National Weather Service Des Moines IA
336 PM CDT Fri Mar 22 2024

Forecast is based on ignition time of 1600 CDT on March 22.
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...

The main round of precipitation has concluded for the day and any
remnant precipitation would be limited to nonimpactful sprinkles
and flurries. Winds will be almost due north this afternoon with
gusts up to 25 mph possible, at times. Winds will lighten up to 6
to 12 mph out of the north-northeast after sunset. RH values to
remain in the 60s and 70s this afternoon. Precipitation to return
early Saturday afternoon.

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    mostly clear (20-30 percent).
Min temperature.....Around 16.
Max humidity........96 percent.
Wind (20 ft)........North winds 6 to 14 mph.
Mixing height.......700 ft AGL.
Transport winds.....North 15 to 24 mph decreasing to 12 to 14 mph
                    late in the evening.
Smoke dispersal.....Good (57500 knot-ft) early in the evening
                    decreasing to poor (7100 knot-ft) late in the
                    night.
GFDI................4.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........64     42     14     6      7      10
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............33     29     26     21     18     17
RH..............75     78     81     92     96     96
20 ft wind......N 14   N 12   N 9    N 8    N 7    N 6
20 ft wind gust.22     20     17     16     13     12
Mix hgt (ft)....2700   1700   900    700    700    700
Transport wind..N 24   N 18   N 15   N 13   N 12   N 13
GFDI............6      4      3      2      2      2
Haines index....2      3      3      3      3      3
SDspl kt-ft/100058     27     11     8      7      8

.SATURDAY...

Sky/weather.........Mostly sunny (35-45 percent) then becoming
                    cloudy (85-95 percent). Slight chance of snow
                    showers late in the afternoon. Chance of snow
                    showers late in the afternoon.
Max temperature.....Around 35.
Min humidity........58 percent.
Wind (20 ft)........Northeast winds 6 to 7 mph shifting to the east
                    around 10 mph late in the afternoon.
Mixing height.......3300 ft AGL.
Transport winds.....Northeast 10 to 12 mph shifting to the east 9
                    to 13 mph in the late morning and afternoon.
Smoke dispersal.....Poor (4800 knot-ft) early in the morning
                    increasing to fair (29600 knot-ft) in the
                    afternoon.
GFDI................2.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........16        27        66        89
Weather cov.....                              S CHC
Weather type....NONE      NONE      NONE      SNSHWR
Tstm cov........
Temp............16        19        30        33
RH..............92        88        60        58
20 FT wind......N 6G12    NE 7G12   E 8G10    E 9G13
Mix hgt (ft)....600       1100      3000      3100
Transport wind..N 12      NE 10     E 12      E 10
GFDI............2         2         2         2
Haines index....3         3         3         3
SDspl kt-ft/10006         10        28        27

$$
Forecaster...Jimenez
Requested by...Patrick Murphy
Type of request...PRESCRIBED
.TAG 2408220.0/DMX
.DELDT 03/22/24
.FormatterVersion 2.0.0
.EMAIL Rolandfd@hotmail.com


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