048  
FNUS55 KPSR 221004  
FWFPSR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL  
ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE PHOENIX AZ  
304 AM MST WED NOV 22 2017  
   
DISCUSSION
 
 
STRONG HIGH PRESSURE ALOFT WILL KEEP TEMPERATURES WELL ABOVE  
SEASONAL NORMALS TODAY INTO THANKSGIVING DAY. DESERT HIGHS WILL  
RISE INTO THE MID TO UPPER 80S AND APPROACH RECORDS IN SOME  
LOCATIONS EACH DAY. HUMIDITY LEVELS WILL STAY RELATIVELY LOW,  
WITH MINIMUM RH VALUES OVER THE DESERTS TYPICALLY BETWEEN 10 AND  
20 PERCENT. BREEZY EAST WINDS ARE CALLED FOR TODAY, MAINLY ACROSS  
SOUTH CENTRAL ARIZONA, WITH LESS WIND EXPECTED ON THURSDAY.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND  
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 
AZZ132-222215-  
WEST CENTRAL DESERTS/NORTHWEST MARICOPA COUNTY/GREATER PHOENIX  
AREA/SOUTHWEST DESERTS/SOUTHWEST MARICOPA COUNTY/  
NORTHWEST AND NORTH-CENTRAL PINAL COUNTY-  
PHOENIX BLM/YUM BLM/CAZ-CRZ-  
304 AM MST WED NOV 22 2017  
   
TODAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................83-87.  
* 24 HR TREND..................6 DEGREES WARMER.  
* MIN HUMIDITY....................12-17 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......3700 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......EAST 9 KNOTS.  
* DISPERSION FOR PHOENIX..........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.....................CLEAR.  
* MIN TEMPERATURE.................52-63.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................25-42 PCT.  
* 24 HR TREND..................3 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH IN THE  
EVENING BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
   
THURSDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................84-88.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................14-19 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR PHOENIX.......2900 FT AGL.  
* TRANSPORT WIND FOR PHOENIX......EAST 3 KNOTS.  
* DISPERSION FOR PHOENIX..........MARGINAL.  
 
   
EXTENDED
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS 51-62. HIGHS 84-88. NORTHEAST WINDS  
5 TO 10 MPH.    
SATURDAY
 
CLEAR. LOWS 51-61. HIGHS 83-87. NORTHEAST WINDS 5 TO  
10 MPH.    
SUNDAY
 
CLEAR. LOWS 51-61. HIGHS 82-86. NORTHEAST WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 49-61. HIGHS 77-83.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46-58. HIGHS 75-79.  
 

 
 
AZZ133-222215-  
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-  
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/  
CAZ-  
304 AM MST WED NOV 22 2017  
   
TODAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................71-85.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................12-18 PCT.  
* 24 HR TREND..................5 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 15 TO 25 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................CLEAR.  
* MIN TEMPERATURE.................42-59.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................30-47 PCT.  
* 24 HR TREND..................5 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
   
THURSDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................75-88.  
* 24 HR TREND..................4 DEGREES WARMER.  
* MIN HUMIDITY....................13-18 PCT.  
* 24 HR TREND..................LITTLE CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS 43-59. HIGHS 74-86. EAST WINDS 5 TO  
10 MPH.    
SATURDAY
 
CLEAR. LOWS 42-59. HIGHS 75-87. EAST WINDS 5 TO  
10 MPH.    
SUNDAY
 
CLEAR. LOWS 42-59. HIGHS 75-87. EAST WINDS 5 TO 10 MPH.  
MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.    
MONDAY
 
MOSTLY CLEAR. LOWS 39-58. HIGHS 70-82.    
TUESDAY
 
MOSTLY CLEAR. LOWS 37-53. HIGHS 66-77.  
 

 
 
AZZ131-CAZ231-222215-  
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-  
LOWER COLORADO RIVER VALLEY CA-  
304 AM MST WED NOV 22 2017 /204 AM PST WED NOV 22 2017/  
   
TODAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................84-88.  
* 24 HR TREND..................6 DEGREES WARMER.  
* MIN HUMIDITY....................13-18 PCT.  
* 24 HR TREND..................8 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........3 OR VERY LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........2600 FT AGL.  
* TRANSPORT WIND FOR YUMA.........NORTHEAST 11 KNOTS.  
* DISPERSION FOR YUMA.............FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.....................CLEAR.  
* MIN TEMPERATURE.................53-63.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................29-53 PCT.  
* 24 HR TREND..................6 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
THURSDAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................85-89.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................15-21 PCT.  
* 24 HR TREND..................3 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
* MIXING HEIGHT FOR YUMA..........2200 FT AGL.  
* TRANSPORT WIND FOR YUMA.........NORTH 6 KNOTS.  
* DISPERSION FOR YUMA.............MARGINAL.  
 
   
EXTENDED
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS 51-62. HIGHS 84-88. NORTHEAST WINDS  
5 TO 10 MPH.    
SATURDAY
 
CLEAR. LOWS 51-61. HIGHS 83-87. EAST WINDS 5 TO  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 52-61. HIGHS 82-86. EAST WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 50-61. HIGHS 77-82.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46-59. HIGHS 74-78.  
 

 
 
CAZ230-222215-  
JOSHUA TREE NATIONAL PARK-  
204 AM PST WED NOV 22 2017  
   
TODAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................75-84.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................17-22 PCT.  
* 24 HR TREND..................10 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................CLEAR.  
* MIN TEMPERATURE.................51-58.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................31-43 PCT.  
* 24 HR TREND..................LITTLE CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
THURSDAY
 
 
* SKY/WEATHER.....................MOSTLY SUNNY.  
* MAX TEMPERATURE.................77-85.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................16-21 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING  
BECOMING EAST IN THE AFTERNOON.  
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING  
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS 50-58. HIGHS 77-84. WEST WINDS 5 TO  
10 MPH.    
SATURDAY
 
CLEAR. LOWS 49-58. HIGHS 76-84. SOUTHWEST WINDS 5 TO  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 49-57. HIGHS 74-82. WEST WINDS 5 TO  
15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 44-56. HIGHS 65-74.    
TUESDAY
 
MOSTLY CLEAR. LOWS 43-50. HIGHS 63-72.  
 

 
 
CAZ232-222215-  
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-  
204 AM PST WED NOV 22 2017  
   
TODAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................80-88.  
* 24 HR TREND..................4 DEGREES WARMER.  
* MIN HUMIDITY....................13-20 PCT.  
* 24 HR TREND..................6 PCT WETTER.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
* SKY/WEATHER.....................CLEAR.  
* MIN TEMPERATURE.................53-64.  
* 24 HR TREND..................LITTLE CHANGE.  
* MAX HUMIDITY....................30-53 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.  
* WINDS...10000 FT MSL............EAST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
   
THURSDAY
 
 
* SKY/WEATHER.....................SUNNY.  
* MAX TEMPERATURE.................82-89.  
* 24 HR TREND..................LITTLE CHANGE.  
* MIN HUMIDITY....................15-21 PCT.  
* 24 HR TREND..................LITTLE RH CHANGE.  
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.  
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.  
* CHANCE OF PRECIP................0 PERCENT.  
* CWR (>= 0.10 IN)................0 PERCENT.  
* LAL.............................1.  
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
   
EXTENDED
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS 52-62. HIGHS 81-88. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY
 
CLEAR. LOWS 52-62. HIGHS 80-87. SOUTHEAST WINDS 5 TO  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 52-62. HIGHS 78-85. WEST WINDS 5 TO  
15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 49-62. HIGHS 73-80.    
TUESDAY
 
MOSTLY CLEAR. LOWS 45-58. HIGHS 70-77.  
 

 
   
8 TO 10 DAY OUTLOOK
 
WEDNESDAY NOVEMBER 29TH THROUGH FRIDAY  
DECEMBER 1ST: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN  
PRECIPITATION.  
 
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