965
FNUS74 KEWX 181324
FWSEWX
SPOT FORECAST FOR J17 PILES...AUSTIN FIRE DEPARTMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
824 AM CDT THU APR 18 2024
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MAINLY HUMID AND MISTY THIS MORNING BEFORE CLOUDS SCATTER THIS
AFTERNOON. WARM TEMPERATURES IN THE UPPER 80S ARE EXPECTED WITH
DRY CONDITIONS THROUGH THE AFTERNOON. THUNDERSTORMS MAY FORM AS
EARLY AS 5 PM, ALTHOUGH THE MORE LIKELY TIMING WILL BE AFTER 7PM
THROUGH AROUND MIDNIGHT. THERE IS A 20-30 PERCENT CHANCE THE BURN
SITE WILL ENCOUNTER A THUNDERSTORM THIS EVENING. GOOD OVERNIGHT
RECOVERIES ARE EXPECTED SLIGHTLY COOLER TEMPERATURES FOR TOMORROW.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
DRIZZLE LATE IN THE MORNING.
CWR.................2 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........63 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 8 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 7 TO 8 MPH.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 14 MPH.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........85 82 86 79 67 59 38 20 28
WEATHER COV.....SCH
WEATHER TYPE....DZL
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1
TEMP............72 74 76 77 81 82 83 86 85
RH..............100 93 87 87 77 74 72 63 65
20 FT WIND DIR..S S S S S S S S SE
20 FT WIND SPD..8 9 10 10 10 10 10 10 10
20 FT WIND GUST.13 14 15 15 16 16 17 16 16
EYE LVL WND DIR.S S S S S S S S SE
EYE LVL WND SPD.5 5 6 6 6 6 6 6 6
EYE LVL WND GST.8 8 9 9 10 10 10 10 10
MIX HGT (KFT)...1.3 1.5 1.7 2.1 2.4 2.7 3.4 3.7 3.3
TRANSP WIND DIR.S S S S S S S S S
TRANSP WIND SPD.12 12 12 12 12 12 13 13 14
HAINES INDEX....3 3 3 4 4 4 4 4 4
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE
(20-30 PERCENT) OF SHOWERS AND THUNDERSTORMS
IN THE EVENING.
CWR.................2 PERCENT INCREASING TO 19 PERCENT IN THE
EVENING, THEN DECREASING TO 0 PERCENT
OVERNIGHT.
LAL.................NO TSTMS UNTIL 1900, THEN 1-8 STRIKES UNTIL
0100, THEN NO TSTMS.
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 7 MPH SHIFTING TO THE
NORTHEAST AROUND 4 MPH AFTER 3 AM.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS AROUND 8 MPH SHIFTING TO THE
SOUTH 6 TO 9 MPH IN THE EVENING AND OVERNIGHT,
THEN SHIFTING TO THE NORTHEAST AROUND 5 MPH
AFTER 3 AM. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 14 MPH SHIFTING TO THE EAST EARLY IN
THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........24 35 51 49 57 77 78 77 69 64 60 57
WEATHER COV..... SCH SCH SCH CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CWR.............0 20 20 20 20 20 20 0 0 0 0 0
LAL.............1 2 2 2 2 2 2 1 1 1 1 1
TEMP............84 84 78 74 72 71 71 70 69 68 67 66
RH..............65 65 76 87 87 90 87 90 93 97 100 100
20 FT WIND DIR..SE SE SE SE E S S S S E NE NE
20 FT WIND SPD..10 12 10 10 10 10 9 7 7 6 6 6
20 FT WIND GUST.16 16 14 14 15 14 14 10 10 10 9 9
EYE LVL WND DIR.SE SE SE SE E S S S S E NE NE
EYE LVL WND SPD.6 7 6 6 6 6 5 4 4 4 4 4
EYE LVL WND GST.10 10 8 8 9 8 8 6 6 6 5 5
MIX HGT (KFT)...2.5 2.1 1.7 1.0 0.7 0.6 0.6 0.6 0.6 0.7 0.8 0.8
TRANSP WIND DIR.S S S S S S S S S SE E E
TRANSP WIND SPD.14 14 14 13 12 10 10 9 9 9 9 9
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). PATCHY FOG EARLY
IN THE MORNING.
CWR.................1 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........64 PERCENT.
EYE LEVEL WINDS.....EAST WINDS UP TO 6 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 9 TO 12 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........78 73 80 69 70 61 59 57 57 57 57 63
WEATHER COV..... PTY PTY
WEATHER TYPE.... FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............66 66 65 67 69 71 74 76 78 79 79 78
RH..............100 97 100 97 87 81 75 69 65 64 64 67
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE E E E
20 FT WIND SPD..6 6 6 6 6 8 9 9 9 10 10 10
20 FT WIND GUST.9 9 8 8 10 12 13 14 15 15 15 15
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE E E E
EYE LVL WND SPD.4 4 4 4 4 5 5 5 5 6 6 6
EYE LVL WND GST.5 5 5 5 6 7 8 8 9 9 9 9
MIX HGT (KFT)...0.8 0.8 1.0 1.3 1.5 1.7 2.2 2.4 2.4 2.5 2.5 2.2
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.9 9 9 9 9 10 10 10 10 10 12 12
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3
FORECASTER...27
REQUESTED BY...STEV GIBBON
TYPE OF REQUEST...PRESCRIBED
.TAG 2411318.0/EWX
.DELDT 04/18/24
.FORMATTERVERSION 2.0.0
.EMAIL STEVEN.GIBBON@AUSTINTEXAS.GOV
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