624  
FNUS74 KMAF 200517  
FWSMAF  
 
SPOT FORECAST FOR ROCK SPRINGS FIRE...NPS  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
1217 AM CDT SAT JUL 20 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 CDT ON JULY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
ABOVE NORMAL TEMPERATURES WILL CONTINUE TODAY, WITH RH IN THE  
WILDFIRE AREA EXPECTED TO DROP FROM AROUND 60% AT 0600 CDT TO  
AROUND 25% BY 1700 CDT. SOUTHERLY 20FT WINDS THIS MORNING WILL  
SHIFT TO THE SOUTHEAST THIS AFTERNOON, WITH SUSTAINED SPEEDS AROUND  
10-15 MPH AND A FEW INTERMITTENT HIGHER GUSTS POSSIBLE. CURRENTLY,  
THUNDERSTORMS ARE NOT EXPECTED IN THE WILDFIRE AREA THROUGH THE  
WEEKEND. RECOVERY TONIGHT WILL BE GOOD, WITH SIMILAR CONDITIONS  
FOLLOWING ON SUNDAY. 20FT WINDS WILL REMAIN SOUTHEASTERLY TO  
EAST-SOUTHEASTERLY TONIGHT AND SUNDAY, WITH SPEEDS GENERALLY  
AROUND 15 MPH.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........27 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH.  
MIXING HEIGHT.......8900 FT AGL INCREASING TO 12600 FT AGL LATE IN  
THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR MCLEAR MCLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............72 73 78 85 89 91  
RH..............59 57 48 37 32 29  
20 FT WIND DIR..S S S SE SE SE  
20 FT WIND SPD..14 13 11 11 11 13  
20 FT WIND GUST.  
MIX HGT (FT)....400 1000 2900 5600 8900 11700  
TRANSP WIND DIR.S S S S S E  
TRANSP WIND SPD.2 3 7 3 2 5  
HAINES INDEX....3 3 3 3 3 3  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........55 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 12 TO 17 MPH.  
MIXING HEIGHT.......4900 FT AGL DECREASING TO 400 FT AGL IN THE  
LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.  
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
LAL.............1 1 1 1  
TEMP............90 83 77 74  
RH..............28 34 42 46  
20 FT WIND DIR..E SE S S  
20 FT WIND SPD..15 17 19 18  
20 FT WIND GUST.  
MIX HGT (FT)....12700 4900 1300 1100  
TRANSP WIND DIR.E SE S S  
TRANSP WIND SPD.5 10 13 8  
HAINES INDEX....3 3 3 3  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........25 PERCENT.  
WIND (20 FT)........EAST SOUTHEAST WINDS 11 TO 16 MPH.  
MIXING HEIGHT.......10000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH SHIFTING TO THE  
NORTHEAST AROUND 7 MPH LATE IN THE AFTERNOON.  
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......CLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
LAL.............1 1 1 1  
TEMP............70 75 85 91  
RH..............53 45 32 26  
20 FT WIND DIR..SE SE SE SE  
20 FT WIND SPD..15 13 12 15  
20 FT WIND GUST.  
MIX HGT (FT)....200 1500 4400 8200  
TRANSP WIND DIR.S S S E  
TRANSP WIND SPD.3 5 5 5  
HAINES INDEX....5 4 3 3  
 

 
FORECASTER...PHILLIPSON  
REQUESTED BY...CRWB  
TYPE OF REQUEST...WILDFIRE  
.TAG 1912467.0/MAF  
.DELDT 07/20/19  
.FORMATTERVERSION 1.0.26  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page
The Nexlab NM Page Main Text Page