919  
FNUS54 KMAF 161937 AAA  
FWFMAF  
 
FIRE WEATHER PLANNING FORECAST FOR WEST TEXAS/SOUTHEAST NEW MEXICO...UPDATED  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
237 PM CDT WED AUG 16 2017  
   
DISCUSSION
 
 
FIRE WEATHER CONCERNS WILL BE LIMITED OVER THE NEXT SEVERAL DAYS.  
MINIMUM HUMIDITIES EACH AFTERNOON WILL REMAIN OVER 20 PERCENT WITH  
GOOD RECOVERY AND GENERALLY LIGHT WINDS. THERE WILL BE ISOLATED TO  
SCATTERED THUNDERSTORMS FROM THE EASTERN PERMIAN BASIN THROUGH THE  
PRESIDIO VALLEY THIS AFTERNOON AND EVENING. ERRATIC GUSTY WINDS WILL  
BE POSSIBLE NEAR THESE THUNDERSTORMS. ISOLATED TO SCATTERED  
THUNDERSTORMS WILL BE POSSIBLE AGAIN ON THURSDAY, MOSTLY OVER THE  
DAVIS MOUNTAINS AND MARFA PLATEAU.  
 

 
 
FOR POINT-SPECIFIC FORECASTS PLEASE SEE THE POINT FIRE WEATHER MATRIX  
PRODUCT ISSUED BY THE MIDLAND/ODESSA NATIONAL WEATHER SERVICE OFFICE.  
 
NMZ114-TXZ258-171615-  
GUADALUPE MOUNTAINS-  
INCLUDING THE CITIES OF GUADALUPE MOUNTAINS NP AND PINE SPRINGS  
137 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
* MIN TEMPERATURE.....62 TO 67.  
* 24 HR TREND......1 DEGREE WARMER.  
* MAX HUMIDITY........40-60 PERCENT.  
* 24 HR TREND......8 PERCENT DRIER.  
* WIND 20FT...........WEST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...SOUTH 10 TO 15 MPH.  
   
THURSDAY
 
 
* SKY/WEATHER.........SUNNY (10-20 PERCENT).  
* MAX TEMPERATURE.....IN THE MID 80S ABOVE 6000 FEET...IN THE UPPER  
80S BELOW 6000 FEET.  
* 24 HR TREND......UNCHANGED.  
* MIN HUMIDITY........25 PERCENT.  
* 24 HR TREND......3 PERCENT WETTER.  
* WIND 20FT...........SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE  
SOUTH IN THE AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...SOUTH AROUND 10 MPH.  
* MIXING HEIGHT.......13300 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.  
* VENTILATION CAT.....VERY GOOD/122000 KNOT-FT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
* MIN TEMPERATURE.....62 TO 67.  
* 24 HR TREND......1 DEGREE COOLER.  
* MAX HUMIDITY........55-75 PERCENT.  
* 24 HR TREND......19 PERCENT WETTER.  
* WIND 20FT...........SOUTH WINDS 10 TO 15 MPH ABOVE 6000  
FEET...SOUTH 5 TO 10 MPH BELOW 6000 FEET.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...SOUTH 5 TO 10 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 80S ABOVE 6000 FEET...IN THE UPPER  
80S BELOW 6000 FEET.  
* 24 HR TREND......2 DEGREES COOLER.  
* MIN HUMIDITY........30-40 PERCENT ABOVE 6000 FEET...25-35 PERCENT  
BELOW 6000 FEET.  
* 24 HR TREND......8 PERCENT WETTER.  
* WIND 20FT...........SOUTH WINDS 5 TO 10 MPH.  
* LAL.................3.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTHEAST AROUND 10 MPH.  
* MIXING HEIGHT.......11300 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 8 KNOTS.  
* VENTILATION CAT.....FAIR/49200 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
SATURDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 80 ABOVE 6000 FEET...IN THE MID 80S  
BELOW 6000 FEET. SOUTHEAST WINDS 5 TO 10 MPH. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.    
SUNDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S ABOVE 6000 FEET...IN THE LOWER  
80S BELOW 6000 FEET. SOUTHEAST WINDS 10 TO 15 MPH. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S ABOVE 6000 FEET...IN THE LOWER  
80S BELOW 6000 FEET. SOUTH WINDS 5 TO 10 MPH. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.  
 

 
 
NMZ115-171615-  
SOUTHEAST PLAINS-  
137 PM MDT WED AUG 16 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
* MIN TEMPERATURE.....IN THE MID 60S.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........65-85 PERCENT.  
* 24 HR TREND......6 PERCENT DRIER.  
* WIND 20FT...........SOUTH WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTHWEST 5 TO 10 MPH.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 90S.  
* 24 HR TREND......UNCHANGED.  
* MIN HUMIDITY........20-30 PERCENT.  
* 24 HR TREND......6 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTH AROUND 15 MPH.  
* MIXING HEIGHT.......14800 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 16 KNOTS.  
* VENTILATION CAT.....EXCELLENT/150000 KNOT-FT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....IN THE UPPER 60S.  
* 24 HR TREND......1 DEGREE WARMER.  
* MAX HUMIDITY........65-85 PERCENT.  
* 24 HR TREND......4 PERCENT WETTER.  
* WIND 20FT...........SOUTH WINDS 10 TO 15 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...SOUTHWEST 10 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE LOWER 90S.  
* 24 HR TREND......2 DEGREES COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND......4 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...EAST AROUND 15 MPH.  
* MIXING HEIGHT.......13000 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 20 KNOTS.  
* VENTILATION CAT.....GOOD/74400 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
SATURDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. SOUTHEAST WINDS 10 TO 15 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
SUNDAY
 
MOSTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. SOUTH WINDS 10 TO 15 MPH. MINIMUM  
RELATIVE HUMIDITY ABOVE 15 PERCENT.    
MONDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. SOUTH WINDS 10 TO 15 MPH. MINIMUM  
RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
TXZ057-074-079>081-171615-  
VAN HORN AND HIGHWAY 54 CORRIDOR-DAVIS/APACHE MOUNTAINS AREA-  
PRESIDIO VALLEY-MARFA PLATEAU-BIG BEND AREA-  
INCLUDING THE CITIES OF VAN HORN, ALPINE, FORT DAVIS, PRESIDIO,  
MARFA, BIG BEND NP, AND MARATHON  
237 PM CDT WED AUG 16 2017 /137 PM MDT WED AUG 16 2017/  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....IN THE MID 60S ACROSS THE MOUNTAINS...IN THE  
UPPER 70S ALONG THE RIO GRANDE.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........65-85 PERCENT ACROSS THE MOUNTAINS...55-75  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......2 PERCENT DRIER.  
* WIND 20FT...........SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTHEAST 5 TO 10 MPH.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 80S ACROSS THE MOUNTAINS...AROUND  
100 ALONG THE RIO GRANDE.  
* 24 HR TREND......2 DEGREES COOLER.  
* MIN HUMIDITY........30-40 PERCENT ACROSS THE MOUNTAINS...25-35  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......5 PERCENT WETTER.  
* WIND 20FT...........ABOVE 5000 FEET, SOUTH WINDS 5 TO 10 MPH  
SHIFTING TO THE EAST IN THE AFTERNOON. BELOW  
5000 FEET, SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................3.  
* CHANCE OF PRECIP....30 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...EAST AROUND 15 MPH.  
* MIXING HEIGHT.......13300 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS.  
* VENTILATION CAT.....GOOD/93100 KNOT-FT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....IN THE LOWER 60S ACROSS THE MOUNTAINS...IN  
THE UPPER 70S ALONG THE RIO GRANDE.  
* 24 HR TREND......1 DEGREE COOLER.  
* MAX HUMIDITY........75-95 PERCENT ACROSS THE MOUNTAINS...55-75  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......6 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................3.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...EAST 5 TO 10 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 80S ACROSS THE MOUNTAINS...AROUND  
100 ALONG THE RIO GRANDE.  
* 24 HR TREND......1 DEGREE COOLER.  
* MIN HUMIDITY........35-45 PERCENT ACROSS THE MOUNTAINS...25-35  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......3 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 5 TO 10 MPH ABOVE 5000  
FEET...SOUTHEAST 10 TO 15 MPH BELOW 5000  
FEET.  
* LAL.................3.  
* CHANCE OF PRECIP....30 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...EAST AROUND 20 MPH.  
* MIXING HEIGHT.......11400 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 11 KNOTS.  
* VENTILATION CAT.....VERY GOOD/101800 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
SATURDAY
 
MOSTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S ACROSS THE MOUNTAINS...IN THE  
UPPER 90S ALONG THE RIO GRANDE. SOUTHEAST WINDS 5 TO 10 MPH ABOVE  
5000 FEET...SOUTHEAST 10 TO 15 MPH BELOW 5000 FEET. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.    
SUNDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S ACROSS THE MOUNTAINS...AROUND  
100 ALONG THE RIO GRANDE. SOUTHEAST WINDS 10 TO 15 MPH. MINIMUM  
RELATIVE HUMIDITY ABOVE 15 PERCENT.    
MONDAY
 
MOSTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S ACROSS THE MOUNTAINS...AROUND  
100 ALONG THE RIO GRANDE. SOUTHEAST WINDS 10 TO 15 MPH. MINIMUM  
RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
TXZ045>048-050>053-058>063-067>070-075-082-171615-  
GAINES-DAWSON-BORDEN-SCURRY-ANDREWS-MARTIN-HOWARD-MITCHELL-  
REEVES COUNTY AND UPPER TRANS PECOS-LOVING-WINKLER-ECTOR-MIDLAND-  
GLASSCOCK-WARD-CRANE-UPTON-REAGAN-PECOS-TERRELL-  
INCLUDING THE CITIES OF SEMINOLE, LAMESA, GAIL, SNYDER, ANDREWS,  
STANTON, BIG SPRING, COLORADO CITY, PECOS, MENTONE, KERMIT, ODESSA,  
MIDLAND, GARDEN CITY, MONAHANS, CRANE, MCCAMEY, RANKIN, BIG LAKE,  
FORT STOCKTON, DRYDEN, AND SANDERSON  
237 PM CDT WED AUG 16 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....IN THE LOWER 70S.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........65-85 PERCENT.  
* 24 HR TREND......2 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTH 5 TO 10 MPH.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 90S.  
* 24 HR TREND......2 DEGREES COOLER.  
* MIN HUMIDITY........30-40 PERCENT.  
* 24 HR TREND......5 PERCENT WETTER.  
* WIND 20FT...........SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................3.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...EAST AROUND 15 MPH.  
* MIXING HEIGHT.......13400 FT AGL.  
* TRANSPORT WINDS.....SOUTHEAST AROUND 23 KNOTS.  
* VENTILATION CAT.....VERY GOOD/142000 KNOT-FT.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE.....IN THE LOWER 70S.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........60-80 PERCENT.  
* 24 HR TREND......1 PERCENT DRIER.  
* WIND 20FT...........SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTHEAST 10 TO 15 MPH.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE.....IN THE MID 90S.  
* 24 HR TREND......1 DEGREE COOLER.  
* MIN HUMIDITY........25-35 PERCENT.  
* 24 HR TREND......1 PERCENT DRIER.  
* WIND 20FT...........SOUTHEAST WINDS 10 TO 15 MPH.  
* LAL.................2.  
* CHANCE OF PRECIP....20 PERCENT.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...SOUTHEAST AROUND 20 MPH.  
* MIXING HEIGHT.......11500 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 25 KNOTS.  
* VENTILATION CAT.....EXCELLENT/150000 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. SOUTHEAST WINDS 10 TO 15 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTHEAST WINDS 10 TO  
15 MPH. MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
MONDAY
 
SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. SOUTHEAST WINDS 10 TO 15 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
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