909
FNUS74 KSJT 202119
FWSSJT
SPOT FORECAST FOR SHACKELFORD 14:26...TEXAS A&M FOREST SERVICE
NATIONAL WEATHER SERVICE SAN ANGELO TX
319 PM CST WED NOV 20 2019
FORECAST IS BASED ON FORECAST START TIME OF 1600 CST ON NOVEMBER 20.
PLEASE CONTACT OUR OFFICE AT 325-944-3030 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
GUSTY SOUTH WINDS WILL CONTINUE THROUGH EARLY THIS EVENING. SUSTAINED
WINDS ARE EXPECTED TO BE AROUND 20 MPH, WITH GUSTS TO 30 MPH. SCATTERED
SHOWERS AND THUNDERSTORMS ARE MOVING OUT OF THE AREA AT 315 PM, BUT
ARE EXPECTED AGAIN BETWEEN 530 PM AND 10 PM WITH HIT AND MISS COVERAGE.
WINDS MAY BE GUSTY AND ERRATIC NEAR THUNDERSTORMS. BRIEF MODERATE TO
HEAVY RAIN MAY ACCOMPANY THE STORMS. RELATIVE HUMIDITY VALUES ARE
50-60 PERCENT ACROSS THE AREA AT 3 PM, AND MAY DROP TO 40-50 PERCENT
PRIOR TO 6 PM. SOUTH WINDS WILL CONTINUE TONIGHT AND MAY BE GUSTY AT
TIMES, BUT THE OVERALL SPEEDS WILL BE LOWER THAN WHAT IS OCCURRING
THIS AFTERNOON. RELATIVE HUMIDITY VALUES WILL CLIMB TO 90 PERCENT OR
HIGHER DURING THE NIGHT.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY.
LAL.................16-25 STRIKES.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CST) 4 PM
SKY (%).............63
WEATHER COV.........LIKELY
WEATHER TYPE........RNSHWR
TSTM COV............LIKELY
LAL.................4
TEMP................74
RH..................62
20 FT WIND DIR......S
20 FT WIND SPD......12
20 FT WIND GUST.....18
HAINES INDEX........3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
LAL.................9-15 STRIKES UNTIL 2400, THEN NO TSTMS.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 13 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
EVENING.
HAINES INDEX........3 TO 5 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).............80 64 56 50 69 74
WEATHER COV.........CHANCE CHANCE CHANCE
WEATHER TYPE........RNSHWR RNSHWR RNSHWR NONE NONE NONE
TSTM COV............CHANCE CHANCE CHANCE
LAL.................3 3 3 1 1 1
TEMP................69 63 63 62 62 61
RH..................73 90 93 97 97 100
20 FT WIND DIR......S S S S S S
20 FT WIND SPD......16 13 13 10 9 7
20 FT WIND GUST.....22 20 20 17 12 10
HAINES INDEX........3 3 5 3 3 3
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN
SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
LAL.................9-15 STRIKES UNTIL 1200, THEN 16-25 STRIKES.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........81 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH SHIFTING TO THE
NORTHEAST 9 TO 10 MPH LATE IN THE MORNING.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).............71 85 90 93 86 85
WEATHER COV.........CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY
WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV............CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY
LAL.................3 3 3 4 4 4
TEMP................59 58 64 65 63 62
RH..................100 100 93 87 87 81
20 FT WIND DIR......S S SE N N N
20 FT WIND SPD......6 9 10 10 10 9
20 FT WIND GUST.....8 12 17 17 14 12
HAINES INDEX........3 3 3 3 3 3
FORECASTER...GROH
REQUESTED BY...KASIE WAGENFEHR
TYPE OF REQUEST...WILDFIRE
.TAG 1919151.0/SJT
.DELDT 11/20/19
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