Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 151705
FWSDMX

Spot Forecast for House Burn...Creston Fire Department
National Weather Service Des Moines IA
1205 PM CDT Tue Jun 15 2021

Forecast is based on ignition time of 1200 CDT on June 15.
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...

While another warm day, winds will be on the light side and
generally prevailing out of the north/northeast through the day
but may be variable at times as well.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Temperature.........84 at ignition...Max 89.
RH..................35 percent at ignition...Min 31 percent.
Wind (20 ft)........Winds east at 2 mph at ignition...otherwise
                    Light winds becoming northeast 6 to 8 mph in
                    the afternoon.
Mixing height.......4600 ft AGL at ignition...otherwise 5600 ft
                    AGL.
Transport winds.....North 5 to 6 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 5.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   1   1   0   1
Weather cov.....
Weather type....
Tstm cov........
Temp............84  85  86  86  86  87
RH..............35  34  32  32  32  31
20 FT wind dir..E   NE  N   N   NE  NE
20 FT wind spd..2   6   8   7   6   6
20 FT wind gust.        9   9   9   9
Mix hgt (kft)...4.6 5.1 5.4 5.5 5.6 5.6
Transp wind dir.N   N   N   N   NE  NE
Transp wind spd.5   6   6   6   5   5
Haines index....5   4   4   4   4   4

.TONIGHT...

Sky/weather.........Clear (0-5 percent).
Temperature.........Min 61.
RH..................Max 78 percent.
Wind (20 ft)........Northeast winds 5 to 6 mph shifting to the east
                    around 5 mph late in the evening, then becoming
                    light overnight becoming east around 5 mph
                    early in the morning.
Mixing height.......300 ft AGL.
Transport winds.....East around 5 mph shifting to the southeast 3
                    to 5 mph in the late evening and overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........0      0      1      1      4      1
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............86     81     73     69     66     63
RH..............32     42     55     63     68     75
20 ft wind......NE 6   E 5    E 5    SE 5   E 3    E 3
20 ft wind gust.8      10     9      10     13     13
Mix hgt (ft)....4800   1000   600    300    300    300
Transport wind..NE 5   E 5    SE 5   SE 3   E 3    E 5
Haines index....4      4      4      4      4      4

.WEDNESDAY...

Sky/weather.........Sunny (5-15 percent).
Temperature.........Max 89.
RH..................Min 40 percent.
Wind (20 ft)........Light winds becoming south 5 to 10 mph early in
                    the morning.
Mixing height.......4100 ft AGL.
Transport winds.....East around 5 mph shifting to the south 6 to 15
                    mph early in the morning.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........2         4         10        10
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............62        74        83        87
RH..............81        62        46        42
20 FT wind......E 3G13    SE 7G12   S 9G14    S 10G14
Mix hgt (ft)....300       1100      3300      4100
Transport wind..E 5       S 9       S 10      S 10
Haines index....4         4         4         4

$$
Forecaster...Curtis
Requested by...Casey Carpenter
Type of request...PRESCRIBED
.TAG 2114104.0/DMX
.DELDT 06/15/21
.FormatterVersion 2.0.0
.EMAIL crestonfire@crestoniowa.org


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