307
FNUS74 KEWX 181642
FWSEWX
SPOT FORECAST FOR SEGUIN GLAG LANE...SAND HILLS VFD
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1042 AM CST SAT JAN 18 2025
FORECAST IS BASED ON FORECAST START TIME OF 1100 CST ON JANUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THE INITIAL PASSAGE OF THE FRONT IS ACROSS THE
REGION. THIS WILL YIELD TO MODERATE NORTHERLY WINDS THROUGH THE
AFTERNOON. 20 FOOT WINDS WILL MAINLY TREND AROUND 10 KT WITH
HIGHER GUSTS. THE WINDS COULD TEMPORARILY DECREASE DURING THE
EVENING BEFORE A SECONDARY FRONTAL SURGE WITH AN EVEN STRONGER
NORTHERLY WINDS AND MUCH COLDER AIR ARRIVES TONIGHT INTO SUNDAY.
CLEAR SKIES ARE EXPECTED WITH MINIMUM HUMIDITY LEVELS DROPPING
TO NEAR 30 PERCENT THIS AFTERNOON AND TO NEAR 20 PERCENT ON
SUNDAY AFTERNOON. COMBINATION OF THE WINDS AND MINIMUM HUMIDITY
RESULT IN LOCALLY ELEVATED FIRE WEATHER CONDITIONS FOR THIS
AFTERNOON AND ELEVATED TO NEAR CRITICAL LEVELS FOR SUNDAY
AFTERNOON. EXPECT A COLD NIGHT TONIGHT WITH WIND CHILLS IN THE
TEENS TO LOW 20S SUNDAY MORNING. COLDER SUNDAY AS WELL WITH THE
AFTERNOON HIGHS ONLY IN THE LOW TO MID 40S.
REST OF TODAY
CWR.................0 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 9 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS 8 TO 13 MPH.
MIXING HEIGHT.......3300 FT AGL.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
SKY/WEATHER.........SUNNY (0-5 PERCENT).
TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 2 2 1 1 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1
TEMP............56 59 61 62 63 63 62
RH..............44 39 35 34 33 32 32
20 FT WIND DIR..N N N N N N N
20 FT WIND SPD..15 13 13 12 12 10 9
20 FT WIND GUST.17 17 20 18 18 17 16
EYE LVL WND DIR.N N N N N N N
EYE LVL WND SPD.9 8 8 7 7 6 5
EYE LVL WND GST.10 10 12 11 11 10 10
MIX HGT (KFT)...2.2 2.4 2.6 3.1 3.3 2.6 1.2
HAINES INDEX....5 5 5 5 5 5 5
TONIGHT
CWR.................0 PERCENT.
LAL.................NO TSTMS.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........50 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 12 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS 8 TO 16 MPH.
MIXING HEIGHT.......500 FT AGL.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
SKY/WEATHER.........CLEAR (0-5 PERCENT).
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 3 2 2 2 3 3 2 2 1 1 2
WEATHER COV.....
WEATHER TYPE....
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............58 55 51 49 46 45 43 41 39 37 34 33
RH..............37 41 46 47 48 45 45 44 44 44 48 48
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..9 9 10 12 14 15 17 18 20 20 20 18
20 FT WIND GUST.15 16 17 20 23 24 25 28 29 29 29 29
EYE LVL WND DIR.N N N N N N N N N N N N
EYE LVL WND SPD.5 5 6 7 8 9 10 11 12 12 12 11
EYE LVL WND GST.9 10 10 12 14 14 15 17 17 17 17 17
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.6 0.7 0.8 1.0 1.4 1.6 1.5 1.4
HAINES INDEX....5 5 5 5 5 4 4 4 4 4 4 4
SUNDAY
CWR.................0 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........22 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 8 TO 13 MPH.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS 10 TO 17 MPH.
MIXING HEIGHT.......3600 FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
SKY/WEATHER.........SUNNY (0-5 PERCENT).
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 2 2 2 2 2 2 2 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
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............31 30 31 34 36 38 40 42 44 44 43 44
RH..............50 50 48 40 34 30 27 25 23 23 22 22
20 FT WIND DIR..N N N N N N N N N N N NE
20 FT WIND SPD..18 20 20 21 21 20 18 17 17 16 15 13
20 FT WIND GUST.28 30 31 30 30 29 28 28 26 25 23 21
EYE LVL WND DIR.N N N N N N N N N N N NE
EYE LVL WND SPD.11 12 12 13 13 12 11 10 10 10 9 8
EYE LVL WND GST.17 18 19 18 18 17 17 17 16 15 14 13
MIX HGT (KFT)...1.4 1.7 2.3 2.7 2.8 3.1 3.3 3.4 3.5 3.6 2.9 1.4
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4
FORECASTER...62
REQUESTED BY...KB HALLMARK
TYPE OF REQUEST...WILDFIRE
.TAG 2500894.0/EWX
.DELDT 01/18/25
.FORMATTERVERSION 2.0.0
.EMAIL KBHLLMRK4@GMAIL.COM
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