113
FNUS73 KDMX 301210
FWSDMX

Spot Forecast for Parkers...Iowa DNR
National Weather Service Des Moines IA
710 AM CDT Tue Apr 30 2024

Forecast is based on ignition time of 0800 CDT on April 30.
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...

Warmer and breezy today as south winds push afternoon temps into
the upper 70s. Peak wind gusts occur this afternoon with gusts of
up to 30 mph possible at times. Min RH dips down into the 40
percent range during peak heating.

Showers and thunderstorms are likely this evening, followed by a
switch to westerly winds tonight.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 75.
Min humidity........46 percent.
Wind (20 ft)........Southeast winds 5 to 14 mph shifting to the
                    south 15 to 20 mph in the afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....Southeast 7 to 13 mph increasing to south
                    around 28 mph.
Smoke dispersal.....Poor (2400 knot-ft) early in the morning
                    increasing to excellent (87200 knot-ft) in the
                    afternoon increasing to excellent (86400
                    knot-ft) late in the afternoon.
GFDI................1.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  11  11  13  22  40  50  46  51  46
Weather cov.....
Weather type....
Tstm cov........
Temp............47  53  58  62  65  68  71  74  75  75
RH..............86  77  69  65  63  57  52  48  48  46
20 FT wind dir..SE  SE  SE  SE  SE  S   S   S   S   S
20 FT wind spd..5   7   8   12  14  15  16  17  18  20
20 FT wind gust.    10  13  17  21  23  23  26  28  30
Mix hgt (kft)...0.4 1.1 1.3 1.8 2.3 3.2 4.3 4.6 4.9 3.6
Transp wind dir.SE  S   SE  S   S   S   S   S   S   S
Transp wind spd.7   12  13  17  18  20  21  22  24  28
GFDI............0   0   0   0   1   1   1   1   2   2
Haines index....5   5   5   5   5   4   4   4   4   4
SDspl kt-ft/10002   11  15  26  36  54  77  87  103 86

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly clear (10-20 percent). Showers and
                    thunderstorms in the evening.
Min temperature.....Around 47.
Max humidity........96 percent.
Wind (20 ft)........South winds 16 to 20 mph shifting to the west 9
                    to 13 mph overnight. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Mixing height.......500 ft AGL.
Transport winds.....South 21 to 24 mph shifting to the west 12 to
                    18 mph late in the evening.
Smoke dispersal.....Good (41300 knot-ft) early in the evening
                    decreasing to poor (4800 knot-ft) late in the
                    night.
GFDI................1.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........74     95     83     28     6      4
Weather cov.....CHANCE DEFNTE S CHC
Weather type....RNSHWR RNSHWR RNSHWR NONE   NONE   NONE
Tstm cov........CHANCE DEFNTE S CHC
Temp............73     68     61     56     52     49
RH..............49     65     84     90     96     93
20 ft wind......S 20   S 17   SW 16  W 14   W 13   W 10
20 ft wind gust.29     25     25     22     20     16
Mix hgt (ft)....2000   800    600    800    700    500
Transport wind..S 24   S 24   SW 21  W 18   W 16   W 13
GFDI............2      1      1      0      0      0
Haines index....4      4      4      4      5      5
SDspl kt-ft/100041     17     11     13     9      5

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 70.
Min humidity........35 percent.
Wind (20 ft)........West winds 9 to 12 mph shifting to the
                    northeast around 9 mph late in the afternoon.
Mixing height.......3800 ft AGL.
Transport winds.....West 10 to 18 mph shifting to the northwest 13
                    to 20 mph in the late morning and early
                    afternoon, then shifting to the north 7 to 10
                    mph late in the afternoon shifting to the
                    northeast around 7 mph late in the afternoon.
Smoke dispersal.....Poor (4200 knot-ft) early in the morning
                    increasing to good (54800 knot-ft) in the
                    afternoon.
GFDI................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........7         22        47        53
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............47        54        64        69
RH..............93        69        43        35
20 FT wind......W 9G14    W 10G16   NW 12G17  NE 9G14
Mix hgt (ft)....500       1400      3100      3600
Transport wind..W 10      W 18      NW 17     N 8
GFDI............0         0         1         1
Haines index....5         5         5         5
SDspl kt-ft/10004         23        46        25

$$
Forecaster...Martin
Requested by...Adam Kulow
Type of request...PRESCRIBED
.TAG 2412770.0/DMX
.DELDT 04/30/24
.FormatterVersion 2.0.0
.EMAIL adam.kulow@dnr.iowa.gov