282  
FNUS54 KMAF 232021  
FWFMAF  
 
FIRE WEATHER PLANNING FORECAST FOR WEST TEXAS/SOUTHEAST NEW MEXICO  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
321 PM CDT MON OCT 23 2017  
   
DISCUSSION
 
 
WINDS THROUGH THIS EVENING/TONIGHT WILL SHIFT TO THE N/NE AS A COLD  
FRONT MOVES THROUGH THE AREA, WITH BELOW NORMAL TEMPERATURES ON TAP  
FOR TUESDAY. WHILE 20FT WINDS MAY APPROACH 20MPH ACROSS HIGHER TERRAIN  
TUESDAY AFTERNOON, RHS WILL REMAIN ABOVE CRITICAL LEVELS. TEMPERATURES  
WEDNESDAY WILL BE NEAR NORMAL, WITH LIGHTER WINDS AND RH ABOVE 15%. BY  
THURSDAY, ELEVATED WESTERLY WINDS WILL LEAD TO ABOVE NORMAL  
TEMPERATURES, AS WELL AS THE POTENTIAL FOR ELEVATED/NEAR CRITICAL FIRE  
WEATHER CONDITIONS FOR LOCATIONS WHERE RH DROPS TO AROUND 13-15%.  
ANOTHER COLD FRONT WILL MOVE THROUGH THE REGION THURSDAY NIGHT, THOUGH  
THE FORECAST FOR THE NEXT 7 DAYS REMAINS DRY.  
 

 
 
FOR POINT-SPECIFIC FORECASTS PLEASE SEE THE POINT FIRE WEATHER MATRIX  
PRODUCT ISSUED BY THE MIDLAND/ODESSA NATIONAL WEATHER SERVICE OFFICE.  
 
NMZ114-TXZ258-241630-  
GUADALUPE MOUNTAINS-  
INCLUDING THE CITIES OF GUADALUPE MOUNTAINS NP AND PINE SPRINGS  
221 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........CLEAR (0-5 PERCENT).  
* MIN TEMPERATURE.....40 TO 45.  
* 24 HR TREND......11 DEGREES COOLER.  
* MAX HUMIDITY........60-80 PERCENT.  
* 24 HR TREND......39 PERCENT WETTER.  
* LAL.................1.  
* HAINES INDEX........2 VERY LOW.  
* WIND 10000 FT MSL...NORTHWEST 10 TO 15 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY (10-20 PERCENT).  
* MAX TEMPERATURE.....IN THE MID 50S ABOVE 6000 FEET...IN THE UPPER  
50S BELOW 6000 FEET.  
* 24 HR TREND......20 DEGREES COOLER.  
* MIN HUMIDITY........25-35 PERCENT ABOVE 6000 FEET...20-30 PERCENT  
BELOW 6000 FEET.  
* 24 HR TREND......12 PERCENT WETTER.  
* WIND 20FT...........EAST WINDS 15 TO 20 MPH.  
* LAL.................1.  
* HAINES INDEX........2 VERY LOW.  
* WIND 10000 FT MSL...NORTH AROUND 15 MPH.  
* MIXING HEIGHT.......5400 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 20 KNOTS.  
* VENTILATION CAT.....GOOD/70400 KNOT-FT.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR (0-5 PERCENT).  
* MIN TEMPERATURE.....IN THE LOWER 40S.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........40-60 PERCENT.  
* 24 HR TREND......19 PERCENT DRIER.  
* WIND 20FT...........EAST WINDS 10 TO 15 MPH SHIFTING TO THE NORTH  
5 TO 10 MPH AFTER MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTHEAST 15 TO 20 MPH.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY (0-5 PERCENT).  
* MAX TEMPERATURE.....61 TO 66 ABOVE 6000 FEET...66 TO 71 BELOW  
6000 FEET.  
* 24 HR TREND......8 DEGREES WARMER.  
* MIN HUMIDITY........20-25 PERCENT.  
* 24 HR TREND......7 PERCENT DRIER.  
* WIND 20FT...........SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTHEAST AROUND 20 MPH.  
* MIXING HEIGHT.......6100 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 17 KNOTS.  
* VENTILATION CAT.....GOOD/72000 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY...SUNNY. HIGHS IN THE LOWER 70S ABOVE 6000 FEET
 
IN THE  
MID 70S BELOW 6000 FEET. WEST WINDS 10 TO 15 MPH. MINIMUM RELATIVE  
HUMIDITY AT OR BELOW 15 PERCENT.    
FRIDAY...SUNNY, COOLER. HIGHS IN THE LOWER 50S ABOVE 6000 FEET
 
IN  
THE MID 50S BELOW 6000 FEET. EAST WINDS 10 TO 15 MPH ABOVE  
6000 FEET...EAST 15 TO 20 MPH BELOW 6000 FEET. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.    
SATURDAY...SUNNY. HIGHS IN THE UPPER 50S ABOVE 6000 FEET
 
AROUND  
60 BELOW 6000 FEET. SOUTH WINDS 5 TO 10 MPH. MINIMUM RELATIVE  
HUMIDITY ABOVE 15 PERCENT.  
 

 
 
NMZ115-241630-  
SOUTHEAST PLAINS-  
221 PM MDT MON OCT 23 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........CLEAR (0-10 PERCENT).  
* MIN TEMPERATURE.....IN THE LOWER 40S.  
* 24 HR TREND......4 DEGREES COOLER.  
* MAX HUMIDITY........60-80 PERCENT.  
* 24 HR TREND......9 PERCENT WETTER.  
* WIND 20FT...........NORTHEAST WINDS 10 TO 15 MPH.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTHWEST 15 TO 20 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY (15-25 PERCENT).  
* MAX TEMPERATURE.....IN THE MID 60S.  
* 24 HR TREND......17 DEGREES COOLER.  
* MIN HUMIDITY........20-25 PERCENT.  
* 24 HR TREND......6 PERCENT WETTER.  
* WIND 20FT...........EAST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........2 VERY LOW.  
* WIND 10000 FT MSL...NORTHWEST AROUND 20 MPH.  
* MIXING HEIGHT.......6800 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 18 KNOTS.  
* VENTILATION CAT.....GOOD/73900 KNOT-FT.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR (0-10 PERCENT).  
* MIN TEMPERATURE.....IN THE LOWER 40S.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........45-65 PERCENT.  
* 24 HR TREND......15 PERCENT DRIER.  
* WIND 20FT...........SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...NORTHEAST 20 TO 25 MPH.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY (0-5 PERCENT).  
* MAX TEMPERATURE.....IN THE LOWER 70S.  
* 24 HR TREND......8 DEGREES WARMER.  
* MIN HUMIDITY........20-25 PERCENT.  
* 24 HR TREND......3 PERCENT DRIER.  
* WIND 20FT...........SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTHEAST AROUND 25 MPH.  
* MIXING HEIGHT.......6400 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 17 KNOTS.  
* VENTILATION CAT.....GOOD/79200 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 10 TO  
15 MPH. MINIMUM RELATIVE HUMIDITY AT OR BELOW 15 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. MUCH COOLER. HIGHS IN THE MID 50S. EAST  
WINDS 10 TO 15 MPH. MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
TXZ057-074-079>081-241630-  
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  
321 PM CDT MON OCT 23 2017 /221 PM MDT MON OCT 23 2017/  
   
TONIGHT
 
 
* SKY/WEATHER.........CLEAR (0-5 PERCENT).  
* MIN TEMPERATURE.....IN THE MID 40S ACROSS THE MOUNTAINS...IN THE  
MID 50S ALONG THE RIO GRANDE.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........55-75 PERCENT ACROSS THE MOUNTAINS...50-70  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......16 PERCENT WETTER.  
* WIND 20FT...........NORTHEAST WINDS 15 TO 20 MPH ABOVE 5000  
FEET...NORTHEAST 10 TO 15 MPH BELOW 5000  
FEET.  
* LAL.................1.  
* HAINES INDEX........5 MODERATE.  
* WIND 10000 FT MSL...NORTH 10 TO 15 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY (0-10 PERCENT).  
* MAX TEMPERATURE.....58 TO 63 ACROSS THE MOUNTAINS...IN THE MID  
70S ALONG THE RIO GRANDE.  
* 24 HR TREND......17 DEGREES COOLER.  
* MIN HUMIDITY........20-25 PERCENT.  
* 24 HR TREND......9 PERCENT WETTER.  
* LAL.................1.  
* HAINES INDEX........2 VERY LOW.  
* WIND 10000 FT MSL...NORTH AROUND 15 MPH.  
* MIXING HEIGHT.......7300 FT AGL.  
* TRANSPORT WINDS.....EAST AROUND 31 KNOTS.  
* VENTILATION CAT.....VERY GOOD/119600 KNOT-FT.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........CLEAR (0-5 PERCENT).  
* MIN TEMPERATURE.....IN THE LOWER 40S ACROSS THE MOUNTAINS...IN  
THE UPPER 40S ALONG THE RIO GRANDE.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY........35-55 PERCENT ACROSS THE MOUNTAINS...40-60  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......13 PERCENT DRIER.  
* WIND 20FT...........EAST WINDS 10 TO 15 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...NORTHEAST 10 TO 15 MPH.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY (0-10 PERCENT).  
* MAX TEMPERATURE.....IN THE MID 60S ACROSS THE MOUNTAINS...IN THE  
UPPER 70S ALONG THE RIO GRANDE.  
* 24 HR TREND......5 DEGREES WARMER.  
* MIN HUMIDITY........20-25 PERCENT ACROSS THE MOUNTAINS...15-20  
PERCENT ALONG THE RIO GRANDE.  
* 24 HR TREND......3 PERCENT DRIER.  
* WIND 20FT...........SOUTH WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...SOUTHEAST AROUND 15 MPH.  
* MIXING HEIGHT.......6700 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 13 KNOTS.  
* VENTILATION CAT.....GOOD/66200 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 70S ACROSS THE  
MOUNTAINS...AROUND 90 ALONG THE RIO GRANDE. WEST WINDS 10 TO 15 MPH.  
MINIMUM RELATIVE HUMIDITY AT OR BELOW 15 PERCENT.    
FRIDAY
 
SUNNY. MUCH COOLER. HIGHS IN THE MID 50S ACROSS THE  
MOUNTAINS...IN THE UPPER 60S ALONG THE RIO GRANDE. NORTHEAST WINDS  
15 TO 20 MPH. MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
SATURDAY...SUNNY. HIGHS IN THE LOWER 60S ACROSS THE MOUNTAINS
 
IN  
THE LOWER 70S ALONG THE RIO GRANDE. SOUTHEAST WINDS 5 TO 10 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
TXZ045>048-050>053-058>063-067>070-075-082-241630-  
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  
321 PM CDT MON OCT 23 2017  
   
TONIGHT
 
 
* SKY/WEATHER.........CLEAR (0-10 PERCENT).  
* MIN TEMPERATURE.....46 TO 51.  
* 24 HR TREND......UNCHANGED.  
* MAX HUMIDITY........55-75 PERCENT.  
* 24 HR TREND......2 PERCENT WETTER.  
* WIND 20FT...........NORTHEAST WINDS 10 TO 15 MPH.  
* LAL.................1.  
* HAINES INDEX........3 VERY LOW.  
* WIND 10000 FT MSL...NORTHWEST 15 TO 20 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER.........SUNNY (10-20 PERCENT).  
* MAX TEMPERATURE.....IN THE UPPER 60S.  
* 24 HR TREND......13 DEGREES COOLER.  
* MIN HUMIDITY........15-20 PERCENT.  
* 24 HR TREND......1 PERCENT WETTER.  
* WIND 20FT...........NORTHEAST WINDS 10 TO 15 MPH.  
* LAL.................1.  
* HAINES INDEX........2 VERY LOW.  
* WIND 10000 FT MSL...NORTH AROUND 40 MPH.  
* MIXING HEIGHT.......7900 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 21 KNOTS.  
* VENTILATION CAT.....VERY GOOD/135900 KNOT-FT.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
* MIN TEMPERATURE.....IN THE MID 40S.  
* 24 HR TREND......3 DEGREES COOLER.  
* MAX HUMIDITY........40-60 PERCENT.  
* 24 HR TREND......13 PERCENT DRIER.  
* WIND 20FT...........NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE  
NORTHWEST AFTER MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...NORTH 25 TO 35 MPH.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........SUNNY (0-5 PERCENT).  
* MAX TEMPERATURE.....IN THE MID 70S.  
* 24 HR TREND......5 DEGREES WARMER.  
* MIN HUMIDITY........15-20 PERCENT.  
* 24 HR TREND......1 PERCENT DRIER.  
* WIND 20FT...........SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL.................1.  
* HAINES INDEX........4 LOW.  
* WIND 10000 FT MSL...EAST AROUND 30 MPH.  
* MIXING HEIGHT.......6800 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 15 KNOTS.  
* VENTILATION CAT.....GOOD/83600 KNOT-FT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
THURSDAY
 
SUNNY. HIGHS IN THE MID 80S. WEST WINDS 10 TO 15 MPH.  
MINIMUM RELATIVE HUMIDITY AT OR BELOW 15 PERCENT.    
FRIDAY
 
SUNNY. MUCH COOLER. HIGHS IN THE UPPER 50S. NORTHEAST  
WINDS 10 TO 15 MPH. MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND 5 MPH.  
MINIMUM RELATIVE HUMIDITY ABOVE 15 PERCENT.  
 

 
 
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