000 FNUS55 KPSR 042150 FWFPSR FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND SOUTHEAST CALIFORNIA NATIONAL WEATHER SERVICE PHOENIX AZ 250 PM MST SAT OCT 4 2008 .DISCUSSION... A STRONG LOW PRESSURE SYSTEM AND A WEAK COLD FRONT WILL MOVE ACROSS THE AREA TONIGHT AND EARLY SUNDAY. BREEZY OR WINDY CONDITIONS WILL BE THE MAIN EFFECTS FROM THIS SYSTEM. THE SLIGHT CHANCE FOR A SHOWER OR TWO WILL BE LIMITED TO ZONE 133 ON SUNDAY. HIGH PRESSURE WILL BUILD INTO THE AREA SUNDAY AND MONDAY...WITH A TREND TO MUCH LOWER MINIMUM RH VALUES. ...THUNDERSTORMS IMPLY GUSTY WINDS... AZZ132-051000- 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- 250 PM MST SAT OCT 4 2008 .TONIGHT... SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT. MIN TEMPERATURE.................61-71. 24 HR TREND..................3 DEGREES COOLER. MAX HUMIDITY....................50-60 PCT. 24 HR TREND..................17 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 5 TO 15 MPH. GUSTS TO 25 MPH. WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH. CHANCE OF PRECIP................10 PERCENT. LAL.............................2 IN THE EVENING...BECOMING 1 AFTER MIDNIGHT. .SUNDAY... SKY/WEATHER.....................PARTLY SUNNY. MAX TEMPERATURE.................81-89. 24 HR TREND..................LITTLE CHANGE. MIN HUMIDITY....................19-26 PCT. 24 HR TREND..................LITTLE RH CHANGE. WINDS - 20 FEET...SLOPE/VALLEY..WEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTHWEST 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. MIXING HEIGHT FOR PHOENIX.......8800 FT AGL. TRANSPORT WIND FOR PHOENIX......CALM. DISPERSION FOR PHOENIX..........FAIR. .SUNDAY NIGHT... SKY/WEATHER.....................MOSTLY CLEAR. MIN TEMPERATURE.................55-65. 24 HR TREND..................5 DEGREES COOLER. MAX HUMIDITY....................49-62 PCT. 24 HR TREND..................LITTLE CHANGE. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 10 TO 15 MPH. CHANCE OF PRECIP................0 PERCENT. LAL.............................1. .MONDAY... SKY/WEATHER.....................SUNNY. MAX TEMPERATURE.................86-94. 24 HR TREND..................5 DEGREES WARMER. MIN HUMIDITY....................11-16 PCT. 24 HR TREND..................10 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 10 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.......9300 FT AGL. TRANSPORT WIND FOR PHOENIX......CALM. DISPERSION FOR PHOENIX..........FAIR. .EXTENDED... .TUESDAY...CLEAR. LOWS 55-65. HIGHS 90-97. NORTHEAST WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .WEDNESDAY...CLEAR. LOWS 58-68. HIGHS 91-99. NORTHEAST WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .THURSDAY...MOSTLY CLEAR. LOWS 59-69. HIGHS 92-100. NORTHEAST WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .FRIDAY...MOSTLY CLEAR. LOWS 59-69. HIGHS 90-98. .SATURDAY...MOSTLY CLEAR. LOWS 57-67. HIGHS 86-93. $$ AZZ133-051000- SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/ CAZ- 250 PM MST SAT OCT 4 2008 .TONIGHT... SKY/WEATHER.....................MOSTLY CLOUDY IN THE EVENING...BECOMING PARTLY CLOUDY AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS THROUGH THE NIGHT. MIN TEMPERATURE.................50-65. 24 HR TREND..................LITTLE CHANGE. MAX HUMIDITY....................56-86 PCT. 24 HR TREND..................23 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH. GUSTS TO 25 MPH. WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 MPH IN THE EVENING...BECOMING 25 TO 35 MPH AFTER MIDNIGHT. CHANCE OF PRECIP................40 PERCENT. LAL.............................3 IN THE EVENING...BECOMING 1 AFTER MIDNIGHT. .SUNDAY... SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS THROUGH THE DAY. MAX TEMPERATURE.................69-83. 24 HR TREND..................LITTLE CHANGE. MIN HUMIDITY....................27-42 PCT. 24 HR TREND..................8 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............WEST 15 TO 25 MPH. CHANCE OF PRECIP................20 PERCENT. LAL.............................1. HAINES HIGH LEVEL INDEX.........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SUNDAY NIGHT... SKY/WEATHER.....................MOSTLY CLEAR. MIN TEMPERATURE.................37-59. 24 HR TREND..................8 DEGREES COOLER. MAX HUMIDITY....................58-100 PCT. 24 HR TREND..................7 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING...BECOMING EAST AFTER MIDNIGHT. WINDS...10000 FT MSL............NORTHWEST 10 TO 20 MPH. CHANCE OF PRECIP................0 PERCENT. LAL.............................1. .MONDAY... SKY/WEATHER.....................MOSTLY SUNNY. MAX TEMPERATURE.................74-88. 24 HR TREND..................5 DEGREES WARMER. MIN HUMIDITY....................15-22 PCT. 24 HR TREND..................14 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 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. .EXTENDED... .TUESDAY...MOSTLY CLEAR. LOWS 37-64. HIGHS 77-91. EAST WINDS 5 TO 15 MPH. .WEDNESDAY...MOSTLY CLEAR. LOWS 40-65. HIGHS 79-93. EAST WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .THURSDAY...MOSTLY CLEAR. LOWS 43-65. HIGHS 80-94. EAST WINDS 5 TO 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS 43-65. HIGHS 78-92. .SATURDAY...MOSTLY CLEAR. LOWS 41-65. HIGHS 75-89. $$ AZZ131-CAZ231-051000- YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- LOWER COLORADO RIVER VALLEY CA- 250 PM MST SAT OCT 4 2008 /250 PM PDT SAT OCT 4 2008/ .TONIGHT... SKY/WEATHER.....................PARTLY CLOUDY. MIN TEMPERATURE.................60-66. 24 HR TREND..................4 DEGREES COOLER. MAX HUMIDITY....................50-58 PCT. 24 HR TREND..................16 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 10 TO 20 MPH. GUSTS TO 25 MPH. WINDS...10000 FT MSL............WEST 20 TO 30 MPH. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .SUNDAY... SKY/WEATHER.....................MOSTLY SUNNY. MAX TEMPERATURE.................86-90. 24 HR TREND..................3 DEGREES WARMER. MIN HUMIDITY....................15-20 PCT. 24 HR TREND..................3 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTHWEST 15 TO 25 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..........6200 FT AGL. TRANSPORT WIND FOR YUMA.........NORTHWEST 6 KNOTS. DISPERSION FOR YUMA.............FAIR. .SUNDAY NIGHT... SKY/WEATHER.....................MOSTLY CLEAR. MIN TEMPERATURE.................58-63. 24 HR TREND..................LITTLE CHANGE. MAX HUMIDITY....................38-58 PCT. 24 HR TREND..................7 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTH 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 10 TO 15 MPH. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .MONDAY... SKY/WEATHER.....................SUNNY. MAX TEMPERATURE.................92-96. 24 HR TREND..................5 DEGREES WARMER. MIN HUMIDITY....................9-14 PCT. 24 HR TREND..................6 PCT DRIER. WINDS - 20 FEET...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..........8800 FT AGL. TRANSPORT WIND FOR YUMA.........NORTH 6 KNOTS. DISPERSION FOR YUMA.............GOOD. .EXTENDED... .TUESDAY...CLEAR. LOWS 59-67. HIGHS 95-99. NORTH WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .WEDNESDAY...CLEAR. LOWS 63-68. HIGHS 97-101. NORTHEAST WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .THURSDAY...MOSTLY CLEAR. LOWS 64-68. HIGHS 98-102. NORTH WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .FRIDAY...MOSTLY CLEAR. LOWS 64-68. HIGHS 94-98. .SATURDAY...MOSTLY CLEAR. LOWS 62-68. HIGHS 89-93. $$ CAZ230-051000- JOSHUA TREE NATIONAL PARK- 250 PM PDT SAT OCT 4 2008 .TONIGHT... SKY/WEATHER.....................PARTLY CLOUDY. MIN TEMPERATURE.................52-61. 24 HR TREND..................9 DEGREES COOLER. MAX HUMIDITY....................54-74 PCT. 24 HR TREND..................23 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 10 TO 20 MPH. GUSTS TO 30 MPH. WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .SUNDAY... SKY/WEATHER.....................MOSTLY SUNNY. MAX TEMPERATURE.................75-84. 24 HR TREND..................3 DEGREES WARMER. MIN HUMIDITY....................17-25 PCT. 24 HR TREND..................12 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTHWEST 10 TO 20 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. .SUNDAY NIGHT... SKY/WEATHER.....................MOSTLY CLEAR. MIN TEMPERATURE.................50-59. 24 HR TREND..................LITTLE CHANGE. MAX HUMIDITY....................37-46 PCT. 24 HR TREND..................22 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTH 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .MONDAY... SKY/WEATHER.....................SUNNY. MAX TEMPERATURE.................80-90. 24 HR TREND..................6 DEGREES WARMER. MIN HUMIDITY....................11-16 PCT. 24 HR TREND..................8 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTH 5 TO 15 MPH. WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING...BECOMING NORTHEAST 5 TO 15 MPH IN THE AFTERNOON. 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. .EXTENDED... .TUESDAY...CLEAR. LOWS 50-62. HIGHS 84-92. NORTH WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .WEDNESDAY...CLEAR. LOWS 54-63. HIGHS 83-94. NORTHEAST WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .THURSDAY...MOSTLY CLEAR. LOWS 58-63. HIGHS 84-95. NORTHWEST WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .FRIDAY...MOSTLY CLEAR. LOWS 58-63. HIGHS 82-93. .SATURDAY...MOSTLY CLEAR. LOWS 56-63. HIGHS 73-86. $$ CAZ232-051000- IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 250 PM PDT SAT OCT 4 2008 .TONIGHT... SKY/WEATHER.....................PARTLY CLOUDY. MIN TEMPERATURE.................60-65. 24 HR TREND..................7 DEGREES COOLER. MAX HUMIDITY....................48-60 PCT. 24 HR TREND..................13 PCT WETTER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 10 TO 20 MPH. GUSTS TO 30 MPH. WINDS...10000 FT MSL............WEST 20 TO 30 MPH. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .SUNDAY... SKY/WEATHER.....................MOSTLY SUNNY. MAX TEMPERATURE.................81-90. 24 HR TREND..................3 DEGREES WARMER. MIN HUMIDITY....................15-24 PCT. 24 HR TREND..................6 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..WEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTHWEST 15 TO 25 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. .SUNDAY NIGHT... SKY/WEATHER.....................MOSTLY CLEAR. MIN TEMPERATURE.................59-64. 24 HR TREND..................LITTLE CHANGE. MAX HUMIDITY....................35-58 PCT. 24 HR TREND..................9 PCT DRIER. WINDS - 20 FEET...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH. WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT. CHANCE OF PRECIP................0 PERCENT. CWR (>= 0.10 IN)................0 PERCENT. LAL.............................1. .MONDAY... SKY/WEATHER.....................SUNNY. MAX TEMPERATURE.................87-95. 24 HR TREND..................6 DEGREES WARMER. MIN HUMIDITY....................10-17 PCT. 24 HR TREND..................6 PCT DRIER. WINDS - 20 FEET...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.........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .EXTENDED... .TUESDAY...CLEAR. LOWS 60-67. HIGHS 90-98. NORTH WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .WEDNESDAY...CLEAR. LOWS 63-69. HIGHS 91-100. NORTH WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .THURSDAY...MOSTLY CLEAR. LOWS 64-69. HIGHS 92-101. NORTH WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT. .FRIDAY...MOSTLY CLEAR. LOWS 64-69. HIGHS 90-98. .SATURDAY...MOSTLY CLEAR. LOWS 62-69. HIGHS 84-92. $$ .8 TO 10 DAY OUTLOOK...SUNDAY OCTOBER 12TH THROUGH TUESDAY OCTOBER 14TH...NEAR NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION FAVORED.