Suppression Forecast
Issued by NWS Tulsa, OK

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FNUS74 KTSA 200910
FWSTSA

Spot Forecast for Crossover...OERI
National Weather Service Tulsa OK
410 AM CDT Fri Apr 20 2018

Forecast is based on ignition time of 1000 CDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact NWS Tulsa at (918)838-7838, if you have questions
or concerns with this forecast.

.DISCUSSION...
Warmer temperatures and lower humidities are forecast today
compared to recent days.  Steady E-SE winds will prevail
today which would provide smoke transport toward the
nearby higher population areas. Mixing heights will steadily
improve during the early afternoon hours.

High rain chances are forecast for Saturday into Sunday.

.TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 63.
Min humidity........34 percent.
Dewpoint............33.
Wind (20 ft)........Light winds becoming southeast 5 to 8 mph.
Mixing height.......100-1800 ft AGL increasing to 2500-3500 ft AGL
                    in the afternoon.
Transport winds.....East 3 to 10 mph shifting to the southeast 14
                    to 17 mph in the late morning and afternoon.
Smoke dispersal.....Poor (100 knot-ft).
Stability class.....4.
1700FT Avg MIX T(F).53 increasing to 61 early in the afternoon.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   6   8   9   18  27  35  44
Weather cov.....
Weather type....
Tstm cov........
Temp............46  50  54  57  60  62  63  63
Dewpoint........33  34  34  35  34  34  34  34
RH..............60  54  46  43  37  35  34  34
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..8   7   7   6   7   7   7   7
20 FT wind gust.15  15  15  10  15  15  15  15
Mix hgt (kft)...0.5 1.1 1.8 2.5 3.1 3.5 3.5 3.1
Transp wind dir.SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.16  17  16  16  16  17  17  17
VRate kt-ft/1K..4   4   4   8   8   8   8   8
1700FT Mix T(F).52  54  54  57  60  62  63  63

$$
Forecaster...J.MCGAVOCK
Requested by...Brad Burns
Type of request...PRESCRIBED
.TAG 1807043.0/TSA
.EMAIL fireburns2855@yahoo.com



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