Spot Forecast
Issued by NWS Des Moines, IA

000
FNUS73 KDMX 220957
FWSDMX

Spot Forecast for Ringgold North...Iowa DNR
National Weather Service Des Moines IA
457 AM CDT Mon Apr 22 2024

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

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CDT
THIS AFTERNOON...

.DISCUSSION...

Winds increase from the south to southwest today and will be quite
strong by midday into the afternoon. Fuels should dry quickly this
morning with sunshine and increasing winds. Clouds increase by
afternoon with the threat of showers tonight.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent) then becoming partly
                    sunny (45-55 percent).
Temperature.........41 at ignition...Max 69.
RH..................65 percent at ignition...Min 37 percent.
Wind (20 ft)........Winds south at 12 mph at ignition...otherwise
                    Breezy. South winds 12 to 21 mph with gusts to
                    around 35 mph shifting to the southwest 23 to
                    26 mph with gusts to around 39 mph in the
                    afternoon.
Mixing height.......500 ft AGL at ignition...otherwise 5700 ft AGL.
Transport winds.....Southwest 18 to 26 mph increasing to 39 to 40
                    mph.
Smoke dispersal.....Poor /8400 knot-ft/ at ignition.
                    Max...excellent /107200 knot-ft/ increasing to
                    excellent (149000 knot-ft) late in the
                    afternoon.
GFDI................1.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 3.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28  20  26  56  53  48  45  47  46  51
Weather cov.....
Weather type....
Tstm cov........
Temp............41  46  53  56  60  63  65  67  68  68
RH..............65  60  50  49  46  43  40  39  37  39
20 FT wind dir..S   S   S   S   S   S   S   S   SW  SW
20 FT wind spd..12  17  18  20  21  23  25  26  25  25
20 FT wind gust.21  28  31  30  35  35  36  37  39  37
Mix hgt (kft)...0.5 0.9 1.8 2.5 3.1 3.7 4.5 5.0 5.3 5.7
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.18  22  26  29  31  33  38  39  40  39
GFDI............0   0   0   0   0   0   1   1   1   1
Haines index....3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/10008   17  41  63  83  107 149 169 187 195

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (70-80 percent). Isolated rain
                    showers in the evening, then numerous rain
                    showers and isolated thunderstorms overnight.
Temperature.........Min 51.
RH..................Max 86 percent.
Wind (20 ft)........Southwest winds 12 to 21 mph with gusts to
                    around 33 mph decreasing to 8 to 10 mph
                    overnight. Gusty and erratic winds expected
                    near thunderstorms overnight.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 21 to 30 mph decreasing to around 10
                    mph.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........59     60     57     72     73     84
Weather cov.....                     SCTTRD SCTTRD NUMRUS
Weather type....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
Tstm cov........                            ISOLTD ISOLTD
Temp............69     65     61     58     56     53
RH..............39     45     53     62     69     83
20 ft wind......SW 21  SW 15  SW 14  SW 12  SW 9   SW 8
20 ft wind gust.33     26     26     21     14     10
Mix hgt (ft)....3100   600    600    500    400    400
Transport wind..SW 30  SW 21  SW 21  SW 16  SW 13  SW 12

.TUESDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (20-30 percent). Scattered rain
                    showers and isolated thunderstorms early in the
                    morning.
Temperature.........Max 69.
RH..................Min 29 percent.
Wind (20 ft)........Southwest winds 7 to 9 mph shifting to the
                    northwest 10 to 18 mph late in the morning,
                    then increasing to 17 to 20 mph late in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms early in the morning.
Mixing height.......7300 ft AGL.
Transport winds.....Southwest 8 to 13 mph increasing to northwest
                    18 to 26 mph late in the morning, then
                    increasing to 25 to 29 mph late in the
                    afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........86        76        70        41
Weather cov.....SCTTRD
Weather type....RNSHWR    NONE      NONE      NONE
Tstm cov........ISOLTD
Temp............52        54        64        68
RH..............86        80        46        31
20 FT wind......SW 7G9    SW 8G12   W 13G20   NW 18G28
Mix hgt (ft)....500       800       4800      6800
Transport wind..SW 12     SW 8      NW 22     NW 29

$$
Forecaster...Cogil
Requested by...Natural Resource Tech 2
Type of request...PRESCRIBED
.TAG 2411658.0/DMX
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL josh.rusk@dnr.iowa.gov