Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ

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474
FNUS55 KPSR 201000
FWFPSR

Fire Weather Planning Forecast for Southwest and South-Central
Arizona and Southeast California
National Weather Service Phoenix AZ
300 AM MST Tue Feb 20 2018

.DISCUSSION...
A rather dry but cold weather system will quickly pass into New
Mexico early today with just a few lingering morning snow showers
expected over higher terrain areas east of Globe. Otherwise drier
air will be ushered into the area, with minimum RH values to be
low, mostly ranging between 10 and 15 percent over the lower
deserts today and Wednesday. The large area of low pressure in
place over the desert southwest will keep high temperatures very
cool both days with deserts highs mostly ranging from middle 50s
to low 60s. Winds both days will be on the light side except for
some local breeziness from the north over the western deserts this
morning.

Note...Additional Fire Weather Forecast information can be found
in the Area Forecast Discussion. See product PHXAFDPSR.

AZZ132-202200-
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-
300 AM MST Tue Feb 20 2018

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................54-60.
*    24 hr trend..................4 degrees cooler.
* Min Humidity....................10-17 pct.
*    24 hr trend..................4 pct drier.
* Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph.
* Winds...10000 FT MSL............West 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.......8900 ft AGL.
* Transport Wind for Phoenix......West 6 knots.
* Dispersion for Phoenix..........Good.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................32-42.
*    24 hr trend..................Little change.
* Max Humidity....................22-42 pct.
*    24 hr trend..................8 pct drier.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* LAL.............................1.

.WEDNESDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................56-61.
*    24 hr trend..................Little change.
* Min Humidity....................11-17 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning
  becoming southwest in the afternoon.
* Winds...10000 FT MSL............Southwest 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.......7400 ft AGL.
* Transport Wind for Phoenix......Southwest 4 knots.
* Dispersion for Phoenix..........Fair.


.EXTENDED...
.THURSDAY...Mostly clear. Lows 35-45. Highs 58-64. Southwest
winds 10 to 20 mph.
.FRIDAY...Mostly clear with slight chance of showers. Lows 35-45.
Highs 55-62. West winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 35-45. Highs 59-65. Northwest
winds 5 to 15 mph.
.SUNDAY...Mostly clear. Lows 37-47. Highs 64-69.
.MONDAY...Mostly clear. Lows 39-49. Highs 65-71.

$$

AZZ133-202200-
Southern Gila County/Tonto National Forest Foothills-
Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/
CAZ-
300 AM MST Tue Feb 20 2018

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................41-54.
*    24 hr trend..................8 degrees cooler.
* Min Humidity....................17-29 pct.
*    24 hr trend..................17 pct drier.
* Winds - 20 foot...Slope/Valley..West 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 25 to 35 mph in the
  morning becoming west 10 to 20 mph in the afternoon.
* 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.................23-36.
*    24 hr trend..................Little change.
* Max Humidity....................35-58 pct.
*    24 hr trend..................18 pct drier.
* Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the evening
  becoming east after midnight.
* Winds...10000 FT MSL............Southwest 15 to 25 mph.
* Chance of Precip................0 percent.
* LAL.............................1.

.WEDNESDAY...
* Sky/weather.....................Sunny in the morning becoming
  partly sunny in the afternoon.
* Max Temperature.................45-57.
*    24 hr trend..................4 degrees warmer.
* Min Humidity....................17-32 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the
  morning becoming southwest in the afternoon.
* Winds...10000 FT MSL............Southwest 20 to 30 mph.
* Chance of Precip................0 percent.
* LAL.............................1.
* Haines High Level Index.........4 or low potential for large
  plume dominated fire growth.


.EXTENDED...
.THURSDAY...Mostly clear. Lows 25-41. Highs 46-58. Southwest
winds 10 to 20 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of snow showers. Lows 23-41. Highs 44-56. Southwest winds 10 to
20 mph.
.SATURDAY...Mostly clear. Lows 23-40. Highs 47-58. Northwest
winds 5 to 15 mph.
.SUNDAY...Mostly clear. Lows 25-43. Highs 52-64.
.MONDAY...Mostly clear. Lows 27-45. Highs 55-67.

$$

AZZ131-CAZ231-202200-
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
300 AM MST Tue Feb 20 2018 /200 AM PST Tue Feb 20 2018/

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................57-61.
*    24 hr trend..................3 degrees cooler.
* Min Humidity....................10-15 pct.
*    24 hr trend..................Little change.
* Winds - 20 foot...Slope/Valley..North 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..........8100 ft AGL.
* Transport Wind for Yuma.........North 9 knots.
* Dispersion for Yuma.............Very good.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................31-40.
*    24 hr trend..................Little change.
* Max Humidity....................20-33 pct.
*    24 hr trend..................15 pct drier.
* Winds - 20 foot...Slope/Valley..North 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.

.WEDNESDAY...
* Sky/weather.....................Mostly sunny.
* Max Temperature.................59-63.
*    24 hr trend..................Little change.
* Min Humidity....................11-16 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the
  morning becoming west in the afternoon.
* Winds...10000 FT MSL............Southwest 15 to 25 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..........6800 ft AGL.
* Transport Wind for Yuma.........Southwest 3 knots.
* Dispersion for Yuma.............Fair.


.EXTENDED...
.THURSDAY...Mostly clear. Lows 33-46. Highs 61-65. West winds
10 to 20 mph.
.FRIDAY...Mostly clear. Lows 35-46. Highs 59-64. West winds 5 to
15 mph.
.SATURDAY...Clear. Lows 35-45. Highs 64-68. Northwest winds 5 to
15 mph.
.SUNDAY...Mostly clear. Lows 36-47. Highs 67-71.
.MONDAY...Mostly clear. Lows 38-49. Highs 68-72.

$$

CAZ230-202200-
Joshua Tree National Park-
200 AM PST Tue Feb 20 2018

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................43-55.
*    24 hr trend..................Little change.
* Min Humidity....................9-14 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..North 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.
* Haines High Level Index.........3 or very low potential for large
  plume dominated fire growth.

.TONIGHT...
* Sky/weather.....................Mostly clear.
* Min Temperature.................26-33.
*    24 hr trend..................Little change.
* Max Humidity....................22-28 pct.
*    24 hr trend..................16 pct drier.
* Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the
  evening becoming west after midnight.
* Winds...10000 FT MSL............West 10 to 15 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.

.WEDNESDAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................44-57.
*    24 hr trend..................Little change.
* Min Humidity....................12-21 pct.
*    24 hr trend..................5 pct wetter.
* Winds - 20 foot...Slope/Valley..South 5 to 15 mph.
* Winds...10000 FT MSL............Southwest 10 to 20 mph.
* Chance of Precip................0 percent.
* CWR (>= 0.10 IN)................0 percent.
* LAL.............................1.
* Haines High Level Index.........2 or very low potential for large
  plume dominated fire growth.


.EXTENDED...
.THURSDAY...Mostly clear with slight chance of showers and snow
showers. Lows 29-39. Highs 45-59. West winds 15 to 25 mph.
.FRIDAY...Mostly clear with slight chance of snow showers. Lows
30-39. Highs 45-58. Northwest winds 10 to 20 mph.
.SATURDAY...Mostly clear. Lows 30-40. Highs 51-63. West winds
5 to 15 mph. Minimum relative humidity may be lower than
15 percent.
.SUNDAY...Mostly clear. Lows 32-42. Highs 54-66.
.MONDAY...Mostly clear. Lows 34-43. Highs 54-67.

$$

CAZ232-202200-
Imperial County And Eastern Riverside County-
200 AM PST Tue Feb 20 2018

.TODAY...
* Sky/weather.....................Sunny.
* Max Temperature.................53-62.
*    24 hr trend..................Little change.
* Min Humidity....................9-15 pct.
*    24 hr trend..................Little RH change.
* Winds - 20 foot...Slope/Valley..North 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.........4 or low potential for large
  plume dominated fire growth.

.TONIGHT...
* Sky/weather.....................Clear.
* Min Temperature.................32-40.
*    24 hr trend..................Little change.
* Max Humidity....................20-45 pct.
*    24 hr trend..................13 pct drier.
* Winds - 20 foot...Slope/Valley..North 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.

.WEDNESDAY...
* Sky/weather.....................Partly sunny.
* Max Temperature.................55-63.
*    24 hr trend..................Little change.
* Min Humidity....................11-20 pct.
*    24 hr trend..................4 pct wetter.
* Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the
  morning becoming southwest in the afternoon.
* Winds...10000 FT MSL............Southwest 15 to 25 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.


.EXTENDED...
.THURSDAY...Mostly clear. Lows 36-47. Highs 57-65. West winds
15 to 25 mph.
.FRIDAY...Mostly clear. Lows 36-47. Highs 56-65. West winds 10 to
20 mph.
.SATURDAY...Mostly clear. Lows 36-47. Highs 61-69. Northwest
winds 5 to 15 mph. Minimum relative humidity may be lower than
15 percent.
.SUNDAY...Mostly clear. Lows 38-49. Highs 63-72.
.MONDAY...Mostly clear. Lows 40-50. Highs 65-73.

$$

.8 TO 10 DAY OUTLOOK...Tuesday February 27th through Thursday
March 1st: Below normal temperatures and above median
precipitation.



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