Suppression Forecast
Issued by NWS Oklahoma City, OK

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000
FNUS74 KOUN 171308
FWSOUN

Spot Forecast for Unit 50...USFS
National Weather Service Norman OK
808 AM CDT Tue Apr 17 2018

Forecast is based on request time of 0800 CDT on April 17.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (405) 325-3816 if you have questions
or concerns with this forecast.

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO MIDNIGHT
CDT TONIGHT...
...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...

.DISCUSSION...
Biggest concerns today through tonight will be increasing SW
winds this afternoon and a wind shift overnight, respectively.
Wind speeds will begin to increase the late this morning to 15 to
20 mph and then even more this afternoon with gusts near 30 to 35
mph. Single digit RH is also expected most of the day. A wind
shift from the WSW and W is expected around 9-11 PM, and speeds
will briefly decrease to 15 to 20 mph before becoming
northwesterly at 25 to 30 mph near 11 PM to midnight. They will
shift from more from the north late through the night into early
Wed morning.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 94.
Min humidity........6 percent.
Wind (20 ft)........Breezy. Southwest winds 14 to 22 mph with gusts
                    to around 29 mph, increasing to 22 to 25 mph
                    with gusts to around 32 mph late this afternoon.
Mixing height.......200-1100 ft AGL, increasing to 14200-15300 ft
                    AGL.
Transport winds.....Southwest 14 to 22 mph, increasing to 22 to 25
                    mph late.
Smoke dispersal.....Poor (1200 knot-ft), increasing to excellent
                    (500000 knot-ft).
Mixing height.......200-1100 ft AGL, increasing to 14200-15300 ft
                    AGL.
Transport winds.....Southwest 14 to 22 mph, increasing to 22 to 25
                    mph late.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........10     12     12     24     18
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............58     73     87     93     93
RH..............36     21     10     6      6
20 ft wind......SW 14  SW 15  SW 17  SW 22  SW 25
20 ft wind gust.17     19     21     29     32
Mix hgt (ft)....200    1100   11600  14200  15000
Transport wind..S 7    W 15   W 30   SW 35  SW 41
VRate ktft/1000.1      139    280    425    500

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 47.
Max humidity........42 percent.
Wind (20 ft)........North winds 18 to 22 mph. Gusts up to 36 mph.
Mixing height.......15100 ft AGL, decreasing to 0-1100 ft AGL in
                    the evening, then increasing to 1400-2700 ft
                    AGL after midnight, decreasing to 100-500 ft
                    AGL late.
Transport winds.....North 18 to 22 mph.
Smoke dispersal.....Excellent (500000 knot-ft), decreasing to poor
(0 knot-ft) after midnight.
Mixing height.......15100 ft AGL, decreasing to 0-1100 ft AGL in
                    the evening, then increasing to 1400-2700 ft
                    AGL after midnight, decreasing to 100-500 ft
                    AGL late.
Transport winds.....North 18 to 22 mph.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........18     1      0      0      0      0
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............93     80     71     65     58     54
RH..............6      8      10     13     17     25
20 ft wind......SW 22  SW 22  W 18   NW 22  N 22   N 22
20 ft wind gust.26     26     23     26     29     26
Mix hgt (ft)....15100  BLW100 200    2100   2200   500
Transport wind..SW 41  SW 2   W 15   NW 37  N 40   N 23
VRate ktft/1000.500    386    217    67     5      0

.WEDNESDAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 72.
Min humidity........13 percent.
Wind (20 ft)........Northwest winds 14 to 21 mph with gusts to
                    around 26 mph.
Mixing height.......0-1700 ft AGL, increasing to 8300-9300 ft AGL.
Transport winds.....Northwest 14 to 21 mph.
Smoke dispersal.....Poor to good (0-38800 knot-ft), increasing to
                    excellent (117100 knot-ft).
Mixing height.......0-1700 ft AGL, increasing to 8300-9300 ft AGL.
Transport winds.....Northwest 14 to 21 mph.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........0         0         0         0
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............49        52        63        69
RH..............36        32        18        14
20 FT wind......NW 20G25  N 20G25   NW 16G20  NW 16G20
Mix hgt (ft)....BLW100    3400      6500      8300
Transport wind..N 13      N 23      N 24      NW 16
VRate ktft/1000.0         66        137       138

$$
Forecaster...BARNES
Requested by...Matthew G. Lamb
Type of request...WILDFIRE
.TAG 1806837.0/OUN
.EMAIL mattlamb@fs.fed.us



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