475
FNUS55 KPSR 101956
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1256 PM MST FRI MAY 10 2024
DISCUSSION
TEMPERATURES ARE EXPECTED TO WARM OVER THE NEXT SEVERAL DAYS, WITH
CHANCES FOR HIGHS REACHING 100 DEGREES INCREASING ABOVE 50%, AT
LEAST FOR THE WESTERN DISTRICTS, BY LATE THIS WEEKEND. MINRHS
WILL BE IN THE 5-10% RANGE ACROSS THE LOWER DESERTS AND IN THE
10-15% RANGE ACROSS THE HIGHER TERRAIN. OVERNIGHT RECOVERY WILL BE
POOR AND IN THE 20-40% RANGE, BEFORE IMPROVED RECOVERIES IN THE
30-60% RANGE HEADING INTO EARLY NEXT WEEK. TYPICAL SPRINGTIME
BREEZINESS CONTINUES THROUGH THE WEEKEND WITH WIDESPREAD
AFTERNOON AND EARLY EVENING WIND GUSTS OF 20-25 MPH. WIND GUSTS
ON SATURDAY AFTERNOON ACROSS THE FAR EASTERN DISTRICTS ARE
EXPECTED TO BE SLIGHTLY STRONGER, OCCASIONALLY APPROACHING 30
MPH. THESE BREEZY CONDITIONS COMBINED WITH DRY FINE FUELS, AND LOW
RHS WILL LIKELY CREATE SOME ELEVATED FIRE WEATHER CONDITIONS
THROUGH THIS WEEKEND.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-110800-
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-
1256 PM MST FRI MAY 10 2024
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................58-68.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................22-34 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................86-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......15700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 17 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................60-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-37 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-97.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.........5 MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......15100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 12 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 62-72. HIGHS 93-99. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 62-72. HIGHS 91-97. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 62-72. HIGHS 91-97. SOUTHWEST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 62-72. HIGHS 92-97.
FRIDAY
CLEAR. LOWS 63-73. HIGHS 94-100.
AZZ131-CAZ231-110800-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1256 PM MST FRI MAY 10 2024 /1256 PM PDT FRI MAY 10 2024/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................59-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................28-42 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........3 VERY LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........15400 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 12 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................60-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-46 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................96-101.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 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.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........14700 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 11 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 63-68. HIGHS 96-101. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 62-67. HIGHS 94-99. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 62-67. HIGHS 94-99. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
CLEAR. LOWS 64-69. HIGHS 95-100.
FRIDAY
CLEAR. LOWS 64-69. HIGHS 97-102.
AZZ133-110800-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1256 PM MST FRI MAY 10 2024
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................45-59.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................22-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING NORTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-88.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........5 MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................45-60.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................27-41 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH IN THE EVENING
BECOMING NORTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-90.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* 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.........5 MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 49-65. HIGHS 79-93. WEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 51-65. HIGHS 79-93. WEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 50-64. HIGHS 77-91. WEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 50-66. HIGHS 77-92.
FRIDAY
CLEAR. LOWS 50-67. HIGHS 81-95.
CAZ232-110800-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1256 PM PDT FRI MAY 10 2024
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................62-69.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................25-48 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................87-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...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 VERY LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................64-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................23-46 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................92-100.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 64-72. HIGHS 92-101. SOUTHWEST WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 63-69. HIGHS 89-98. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 63-70. HIGHS 91-100. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 65-71. HIGHS 92-100.
FRIDAY
CLEAR. LOWS 66-72. HIGHS 93-101.
CAZ230-110800-
JOSHUA TREE NATIONAL PARK-
1256 PM PDT FRI MAY 10 2024
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................52-62.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................28-36 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-88.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-15 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 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 VERY LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................55-65.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................25-34 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-95.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........4 LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 56-68. HIGHS 81-95. WEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 56-67. HIGHS 79-94. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 56-68. HIGHS 81-96. WEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 57-69. HIGHS 82-95.
FRIDAY
CLEAR. LOWS 58-69. HIGHS 82-96.
8 TO 10 DAY OUTLOOK
SATURDAY MAY 18TH THROUGH MONDAY MAY 20TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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