535  
FNUS74 KSJT 161411  
FWSSJT  
 
SPOT FORECAST FOR WALSTON...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN ANGELO TX  
911 AM CDT MON APR 16 2018  
 
FORECAST IS BASED ON REQUEST TIME OF 2100 CDT ON APRIL 16.  
PLEASE CONTACT OUR OFFICE AT 325-944-3030 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
CRITICAL FIRE WEATHER CONDITIONS WILL RETURN TO WEST CENTRAL  
TEXAS FOR THIS AFTERNOON AND TUESDAY. HUMIDITY VALUES WILL FALL  
UNDER 20 PERCENT AREA WIDE THIS AFTERNOON. SOUTH WINDS WILL  
INCREASE TO AROUND 20 MPH WITH GUSTS AS HIGH AS 30 MPH ALONG AND  
WEST OF AN ABILENE TO SAN ANGELO TO OZONA LINE. A RED FLAG WARNING  
HAS BEEN ISSUED FOR THESE LOCATIONS. ADDITIONALLY, A FIRE DANGER  
STATEMENT HAS BEEN ISSUED FOR AREAS EAST OF THOSE LOCATIONS.  
CONDITIONS IN THESE AREAS WILL NEED TO BE CLOSELY MONITORED.  
 
CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY AGAIN ON TUESDAY,  
MAINLY ACROSS THE NORTHERN AND WESTERN PORTIONS OF THE BIG  
COUNTRY. ALTHOUGH SLIGHTLY BETTER LOW LEVEL MOISTURE WILL MOVE  
INTO MUCH OF THE AREA, A DRYLINE WILL MOVE INTO THE WESTERN BIG  
COUNTRY AND CONCHO VALLEY AND ALLOW HUMIDITY VALUES TO DROP ONCE  
AGAIN. A FIRE WEATHER WATCH AND/OR RED FLAG WARNING WILL BE NEEDED  
ONCE THE MAIN AREA OF CONCERN CAN BE A LITTLE BETTER DEFINED.  
 
IT MAY TAKE UNTIL THURSDAY BEFORE SIGNIFICANT LOW LEVEL MOISTURE  
RETURNS TO WEST CENTRAL TEXAS. A CHANCE FOR SHOWERS AND  
THUNDERSTORMS RETURNS TO OUR REGION FOR THURSDAY AND FRIDAY.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
LAL.................NO TSTMS.  
TEMPERATURE.........MAX 84.  
RH..................MIN 20 PERCENT.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 14 MPH WITH GUSTS TO AROUND 25  
MPH INCREASING TO AROUND 17 MPH WITH GUSTS TO  
AROUND 30 MPH IN THE AFTERNOON.  
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL  
FOR LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%)...........1 1 1 1 0 0  
WEATHER COV.......  
WEATHER TYPE......NONE NONE NONE NONE NONE NONE  
TSTM COV..........  
LAL...............1 1 1 1 1 1  
TEMP..............41 44 65 76 82 84  
RH................79 77 41 25 21 20  
20 FT WIND........E 5 SE 5 S 10 S 14 S 17 S 17  
20 FT WIND GUST... 10 15 25 30 30  
HAINES INDEX......5 5 5 5 5 4  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
LAL.................NO TSTMS.  
TEMPERATURE.........69 AT REQUEST...MIN 57.  
RH..................36 PERCENT AT REQUEST...MAX 80 PERCENT.  
20-FOOT WINDS.......WINDS SOUTH AT 12 MPH AT REQUEST...OTHERWISE  
SOUTH WINDS 10 TO 17 MPH. GUSTS UP TO 30 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH AT REQUEST...MAX 5.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%)...........0 1 3 5 8 11  
WEATHER COV.......  
WEATHER TYPE......NONE NONE NONE NONE NONE NONE  
TSTM COV..........  
LAL...............1 1 1 1 1 1  
TEMP..............83 75 68 63 60 59  
RH................21 28 39 52 64 72  
20 FT WIND........S 17 S 15 S 12 S 12 S 10 S 10  
20 FT WIND GUST...30 25 20 20 15 15  
HAINES INDEX......4 3 4 4 5 5  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
LAL.................NO TSTMS.  
TEMPERATURE.........MAX 90.  
RH..................MIN 28 PERCENT.  
20-FOOT WINDS.......SOUTH WINDS 9 TO 15 MPH. GUSTS UP TO 25 MPH IN  
THE LATE MORNING AND AFTERNOON.  
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL  
FOR LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%)...........17 11 8 5 5 7  
WEATHER COV.......  
WEATHER TYPE......NONE NONE NONE NONE NONE NONE  
TSTM COV..........  
LAL...............1 1 1 1 1 1  
TEMP..............57 60 70 79 85 90  
RH................80 72 53 41 35 28  
20 FT WIND........S 10 S 10 S 14 S 15 S 15 S 14  
20 FT WIND GUST...15 15 25 25 25 25  
HAINES INDEX......5 5 5 5 4 4  
 

 
FORECASTER...O'QUINN  
REQUESTED BY...FREDERICKSBURG DISPATCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 1806714.2/SJT  
 
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