Spot Forecast
Issued by NWS Des Moines, IA

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Spot Forecast for PCRT...National Weather Service
National Weather Service Des Moines IA
1144 AM CST Mon Jan 20 2025

Forecast is based on ignition time of 1100 CST on January 20.
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...

Winds will be from the northwest will average 15 to 20 mph through
the afternoon with no significant wind shift. Afternoon relative
humidity will fall to around 30 to 35% with cold conditions
persisting under plenty of clouds with peeks of sunshine. Flurries
or brief bouts of light snow are possible as well through early
evening.


.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (70-80 percent). Chance of
                    flurries in the afternoon.
Max temperature.....Around 7 above.
Min humidity........40 percent.
Wind (20 ft)........Northwest winds 10 to 16 mph.
Mixing height.......5800 ft AGL.
Transport winds.....Northwest 20 to 25 mph.
GFDI................4.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CST)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25  35  66  75  74  79  74
Weather cov.....    CHC CHC CHC CHC CHC CHC
Weather type....    SW  SW  SW  SW  SW  SW
Tstm cov........
Temp............5   6   6   6   5   5   2
RH..............51  44  40  40  42  42  44
20 FT wind dir..W   NW  NW  NW  NW  NW  NW
20 FT wind spd..10  14  15  16  16  16  16
20 FT wind gust.13  18  21  22  23  23  23
Mix hgt (kft)...3.7 4.6 5.3 5.4 5.8 5.7 4.4
Transp wind dir.W   W   W   NW  W   NW  NW
Transp wind spd.20  23  24  25  25  25  24
GFDI............3   4   4   4   5   4   4
Haines index....3   3   3   3   3   3   3

$$
Forecaster...Ansorge
Requested by...Andrew Ansorge
Type of request...PRESCRIBED
.TAG 2500926.0/DMX
.DELDT 01/20/25
.FormatterVersion 2.0.0
.EMAIL andrew.ansorge@noaa.gov