042
FNUS55 KPSR 181039
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
339 AM MST THU OCT 18 2018
DISCUSSION
A LARGE UPPER LOW OVER THE GREAT BASIN WILL CONTINUE TO SHIFT
NORTH, LEAVING BEHIND DRY CONDITIONS AND A WARMING TREND THROUGH
SATURDAY. MINIMUM RH VALUES STAY ELEVATED THROUGH FRIDAY, MOSTLY
RUNNING BETWEEN 20 AND 30 PERCENT OVER THE LOWER DESERTS. AFTER
LIGHTER WINDS TODAY, BREEZY NORTHEAST TO EASTERLY WINDS WILL
OVERTAKE THE AREA ON FRIDAY WITH GUSTS TO AROUND 20 MPH.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-182245-
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-
339 AM MST THU OCT 18 2018
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-81.
* 24 HR TREND..................NOT AVAILABLE.
* MIN HUMIDITY....................24-33 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......4100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 3 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................58-68.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................50-67 PCT.
* 24 HR TREND..................9 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* LAL.............................1.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-86.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................21-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR PHOENIX.......4500 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 7 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
SATURDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 62-72. HIGHS 83-89. EAST WINDS 10 TO 20 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 61-71. HIGHS 81-87. EAST WINDS 10 TO 20 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
60-70. HIGHS 79-85. EAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 60-70. HIGHS 79-85.
WEDNESDAY
MOSTLY CLEAR. LOWS 59-69. HIGHS 79-85.
AZZ131-CAZ231-182245-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
339 AM MST THU OCT 18 2018 /339 AM PDT THU OCT 18 2018/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-85.
* 24 HR TREND..................NOT AVAILABLE.
* MIN HUMIDITY....................21-26 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...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.
* HAINES HIGH LEVEL INDEX.........4 OR LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........5700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 10 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................59-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................41-54 PCT.
* 24 HR TREND..................11 PCT DRIER.
* 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................85-89.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................19-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
* MIXING HEIGHT FOR YUMA..........7200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHEAST 10 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 63-68. HIGHS 87-91. NORTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 64-68. HIGHS 85-89. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 63-67. HIGHS 84-88. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 62-67. HIGHS 84-88.
WEDNESDAY
MOSTLY CLEAR. LOWS 62-67. HIGHS 85-89.
AZZ133-182245-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
339 AM MST THU OCT 18 2018
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................62-77.
* 24 HR TREND..................NOT AVAILABLE.
* MIN HUMIDITY....................32-53 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* LAL.............................1.
* HAINES HIGH LEVEL INDEX.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................44-57.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................59-86 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTH 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* LAL.............................1.
FRIDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................68-82.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................27-46 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 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.
EXTENDED
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 50-64. HIGHS 70-85. EAST WINDS 15 TO 25 MPH.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 48-63. HIGHS 67-82. EAST WINDS 15 TO
25 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
48-62. HIGHS 66-79. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS
46-61. HIGHS 66-79.
WEDNESDAY
MOSTLY CLEAR. LOWS 45-60. HIGHS 66-79.
CAZ232-182245-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
339 AM PDT THU OCT 18 2018
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-85.
* 24 HR TREND..................NOT AVAILABLE.
* MIN HUMIDITY....................19-24 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
* HAINES HIGH LEVEL INDEX.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................59-66.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................35-50 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-89.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................16-21 PCT.
* 24 HR TREND..................3 PCT DRIER.
* 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.........5 OR MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 61-69. HIGHS 81-90. NORTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS 62-69.
HIGHS 80-89. NORTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 62-69. HIGHS 80-88. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 62-69. HIGHS 80-89.
WEDNESDAY
MOSTLY CLEAR. LOWS 62-69. HIGHS 80-89.
CAZ230-182245-
JOSHUA TREE NATIONAL PARK-
339 AM PDT THU OCT 18 2018
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................67-80.
* 24 HR TREND..................NOT AVAILABLE.
* MIN HUMIDITY....................20-26 PCT.
* 24 HR TREND..................5 PCT DRIER.
* 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.................50-58.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................37-46 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* LAL.............................1.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................69-82.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................17-23 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 51-61. HIGHS 70-82. NORTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52-62. HIGHS 70-82. NORTHEAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 53-62. HIGHS 70-83. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 53-63. HIGHS 70-82.
WEDNESDAY
MOSTLY CLEAR. LOWS 53-63. HIGHS 70-83.
8 TO 10 DAY OUTLOOK
THURSDAY OCTOBER 25TH THROUGH SATURDAY
OCTOBER 27TH: ABOVE NORMAL TEMPERATURES AND NEAR TO BELOW MEDIAN
PRECIPITATION.
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