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Suppression Forecast (FWS)

Issued by Billings, MT (BYZ)

                            
000
FNUS75 KBYZ 151239
FWSBYZ

Spot Forecast for Hagen Dam RX...USFS
National Weather Service Billings MT
639 AM MDT Mon Oct 15 2018

Forecast is based on ignition time of 1000 MDT on October 15. 
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

A dry northwest flow will be over the burn area today and 
tonight. It will be warmer today, with humidities of 35 to 40 
percent. Southwest winds early this morning will turn more 
Westerly and increase through the morning and early afternoon. 
Winds will become northwest in the afternoon, and decrease through
the evening and overnight to 5 to 15 mph by Tuesday morning. 
Humidities will recover into the lower to mid 70 percent range 
tonight.

.REST OF TODAY...

Sky/weather.........Mostly sunny. Isolated flurries late in the 
                    morning. 
Max temperature.....49-54. 
Min humidity........36-41 percent. 
Wind (20 ft)........ 
 Slope/valley.......Southwest winds 5 to 15 mph...turning West through 
                    the morning, and increasing 15 to 25 mph,
                    with gusts approaching 30 mph this afternoon.
. 
 Ridgetop...........Northwest 25 to 40 mph. 
Mixing height.......0 ft AGL late in the morning...increasing to 
                    3500 ft AGL in the afternoon. 
Transport winds.....Northwest 15 to 25 mph. 
Haines index........2. 
CWR.................0 percent. 

TIME (MDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Sky (%).........53  44  47  36  29  26  19  19  24
Weather cov.....SCH SCH                         
Weather type....SW  SW                          
Tstm cov........                                
Temp............36  41  45  47  50  51  51  51  47
RH..............59  63  57  48  40  38  40  40  53
20 FT wind dir.. W   W   W   W   W  NW  NW  NW  NW
20 FT wind spd..12  14  16  17  17  17  16  15  12
20 FT wind gust.17  19  22  23  29  28  28  20  17

.TONIGHT...

Sky/weather.........Mostly clear. 
Min temperature.....31-36. 
Max humidity........71-76 percent. 
Wind (20 ft)........ 
 Slope/valley.......West winds 15 to 25 mph, with gusts approaching
                    30 mph...turning Northwest, and decreasing to 
                    5 to 15 mph overnight. 
 Ridgetop...........Northwest 20 to 35 mph. 
Mixing height.......3500 ft AGL in the evening...decreasing to 0 ft 
                    AGL overnight. 
Transport winds.....Northwest 10 to 20 mph. 
CWR.................0 percent. 


.TUESDAY...

Sky/weather.........Sunny. 
Max temperature.....54-59. 
Min humidity........35-40 percent. 
Wind (20 ft)........ 
 Slope/valley.......Northwest winds 5 to 15 mph. 
 Ridgetop...........Northwest 15 to 30 mph. 
Mixing height.......0 ft AGL in the morning...increasing to 4900 ft 
                    AGL in the afternoon. 
Transport winds.....Northwest 10 to 20 mph. 
Haines index........2 early in the morning. 
CWR.................0 percent. 



$$
Forecaster...Gilstad
Requested by...Jordan Bloxham
Type of request...PRESCRIBED
.TAG 1816865.0/BYZ
.DELDT 10/15/18
.EMAIL jordanbloxham@fs.fed.us