Suppression Forecast
Issued by NWS Austin/San Antonio, TX

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FNUS74 KEWX 221201
FWSEWX

SPOT FORECAST FOR IWS-DOUBLE SHEDS...CITY OF AUSTIN
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
701 AM CDT FRI AUG 22 2014

FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
...SOUTH WINDS 7 TO 10 MPH WILL INCREASE TO 10 TO 12 MPH WITH SOME
GUSTS UP TO 20 MPH THIS AFTERNOON. ABOVE AVERAGE TEMPERATURES WILL
LEAD TO HUMIDITIES FALLING TO NEAR 30 PERCENT THIS AFTERNOON. THE
SOUTHERLY FLOW WILL ALLOW FOR GOOD MOISTURE RECOVERY TONIGHT WITH
HUMIDITIES RISING TO NEAR 97 PERCENT. NO RAINS ARE EXPECTED.

.TODAY...

MAX TEMPERATURE.....AROUND 99.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 12 MPH.
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800-3300 FT AGL INCREASING TO 6400-7100 FT
                    AGL.
TRANSPORT WINDS.....SOUTH 17 TO 26 MPH DECREASING TO 13 TO 16 MPH
                    LATE IN THE MORNING.

TIME (CDT)      10 AM  NOON   2 PM   4 PM
TEMP............84     90     95     98
RH..............71     50     39     31
20 FT WIND......S 9    S 9    S 10   S 12
20 FT WIND GUST.15     15     15     15
EYE LEVEL WIND..S 7    S 7    S 7    S 9
EYE LEVEL WIND..15     15     15     15
HAINES INDEX....5      5      5      5

.TONIGHT...

MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........97 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 12 MPH.
WIND (20 FT)........SOUTH WINDS 5 TO 12 MPH.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7500-8200 FT AGL DECREASING TO 1800-3700 FT
                    AGL.
TRANSPORT WINDS.....SOUTH 15 TO 22 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
TEMP............98     91     85     80     77     75
RH..............31     40     54     68     79     89
20 FT WIND......S 10   S 12   S 12   S 9    S 7    S 6
20 FT WIND GUST.15     15     15     15     10
EYE LEVEL WIND..S 8    S 9    S 9    S 7    S 5    S 5
EYE LEVEL WIND..15     15     15     15     10
HAINES INDEX....5      4      3      4      4      4

.SATURDAY...

MAX TEMPERATURE.....AROUND 98.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 9 MPH.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800-3300 FT AGL INCREASING TO 6000 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 15 MPH.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
TEMP............74     75     81     88     94     97
RH..............95     92     76     54     42     33
20 FT WIND......S 5    S 5    S 7    S 7    S 8    S 9
20 FT WIND GUST.              10     10     10     15
EYE LEVEL WIND..S 4    S 4    S 5    S 5    S 6    S 7
EYE LEVEL WIND..5      5      10     10     10     15
HAINES INDEX....5      5      4      4      4      3

$$
FORECASTER...04
REQUESTED BY...GLEN GILLMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20140822.IWSDO.01/EWX





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