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 Updated24-Sep-2020 12:15am @ 
 
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PEPPERRIDGE NORTH VALLEY'S
7 DAY DETAIL FORECAST FOR NORTH PHOENIX, AZ.


National Weather Service Forecast for: 8 Miles NNE Phoenix AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 1:14 pm MST Sep 23, 2020

North Phoenix Arizona
 
Overnight

Overnight: Clear, with a low around 74. North northeast wind around 5 mph.
Clear
Thursday

Thursday: Sunny, with a high near 104. East northeast wind around 5 mph becoming southwest in the afternoon.
Sunny
Thursday
Night
Thursday Night: Clear, with a low around 75. West wind around 5 mph becoming north northeast after midnight.
Clear
Friday

Friday: Sunny, with a high near 104. East northeast wind around 5 mph becoming southwest in the afternoon.
Sunny
Friday
Night
Friday Night: Clear, with a low around 74. West wind around 5 mph becoming northeast after midnight.
Clear
Saturday

Saturday: Sunny, with a high near 102. East wind 5 to 10 mph becoming southwest in the afternoon.
Sunny
Saturday
Night
Saturday Night: Clear, with a low around 73. West southwest wind 5 to 10 mph becoming north northeast after midnight.
Clear
Sunday

Sunday: Sunny, with a high near 105. Northeast wind around 5 mph becoming west in the afternoon.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 73. West wind 5 to 10 mph becoming north northeast after midnight.
Clear

Lo 74 °F

Hi 104 °F

Lo 75 °F

Hi 104 °F

Lo 74 °F

Hi 102 °F

Lo 73 °F

Hi 105 °F

Lo 73 °F


 

Overnight
 
Clear, with a low around 74. North northeast wind around 5 mph.
Thursday
 
Sunny, with a high near 104. East northeast wind around 5 mph becoming southwest in the afternoon.
Thursday Night
 
Clear, with a low around 75. West wind around 5 mph becoming north northeast after midnight.
Friday
 
Sunny, with a high near 104. East northeast wind around 5 mph becoming southwest in the afternoon.
Friday Night
 
Clear, with a low around 74. West wind around 5 mph becoming northeast after midnight.
Saturday
 
Sunny, with a high near 102. East wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
 
Clear, with a low around 73. West southwest wind 5 to 10 mph becoming north northeast after midnight.
Sunday
 
Sunny, with a high near 105. Northeast wind around 5 mph becoming west in the afternoon.
Sunday Night
 
Clear, with a low around 73. West wind 5 to 10 mph becoming north northeast after midnight.
Monday
 
Sunny, with a high near 106. Northeast wind 5 to 10 mph becoming west in the afternoon.
Monday Night
 
Clear, with a low around 74. West wind around 5 mph becoming north northeast after midnight.
Tuesday
 
Sunny, with a high near 107. North northeast wind around 5 mph becoming west southwest in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 75. Southwest wind 5 to 10 mph becoming north after midnight.
Wednesday
 
Sunny, with a high near 105. Northeast wind around 10 mph becoming south in the afternoon.

 

Forecast from NOAA-NWS for 8 Miles NNE Phoenix AZ.




Phoenix, Az - Area Forecast Discussion

Forecast Discussion for PSR NWS Office
000
FXUS65 KPSR 240444 CCA
AFDPSR

Area Forecast Discussion...Corrected
National Weather Service Phoenix AZ
940 PM MST Wed Sep 23 2020

.UPDATE...Updated aviation Discussion.

&&

.SYNOPSIS...
Dry conditions can be expected across the forecast through at least
the middle part of next week. High temperatures will fluctuate
during that time but remain at least several degrees above normal.
The hottest days will likely be Monday and Tuesday of next week with
readings very close to to the records for those dates.

&&

.DISCUSSION...

Latest visible satellite imagery is showing mostly clear skies over
most of our CWA. The only exception is over the higher terrain of
Southern Gila County, where some CU buildups due to lingering mid-
level moisture ahead of a very weak shortwave that is moving
southward over that region. Latest 88-D radar imagery is even
showing a few very light showers attempting to make their way
southward into Southern Gila County, with a bit more activity over
the White Mountains at this hour. The latest HRRR high-res model run
is indicating that these few showers should dissipate by this
evening as the aforementioned shortwave moves off to the south and
somewhat drier air moves in from the north. Current temperatures
across the lower deserts are now in the upper 90-near 100 range,
with sfc dewpoints in the low-mid 40`s.

Very warm and dry conditions continue to be the theme of the
forecast as a ridge of high pressure builds over the Desert
Southwest the next several days. A very minor shortwave will brush
by on Friday, temporarily hindering the ridge, before atmospheric
heights rise rapidly Sunday/Monday as depicted by global ensemble
guidance. By Monday afternoon, ensemble guidance generally shows the
ridge setting up slightly to our northwest with maximum H5 heights
of 594-595 dm centered near the southern portion of the Great Basin.
There is some uncertainty as to how far outward those heights will
extend, but guidance provides confidence that our forecast area will
see H5 heights somewhere between 590-594 dm, which places near the
99th percentile of climatology.

The latest forecast package for high temps is derived primarily from
the NBM, splitting the difference between the slight cooler GEFS
ensemble mean and the warmer EPS mean. In the end, we are still
looking at highs of 105-107 for the Phoenix area Sun-Wed, while Yuma
and El Centro will bake near 110. Monday and Tuesday seem to be the
hottest days within that stretch, and adding a degree or two to the
forecast is not out of the question if the ridge slightly
outperforms current trends and/or if the ridge centers slightly
closer to Arizona.

The NWS Experimental HeatRisk tool shows widespread Moderate Risk
with large chunks of High Risk categories beginning Sunday which
could lead to a late season issuance of an Excessive Heat Watch
and/or Warning within the next day or two. Phoenix is well past the
latest 110 day on record (Sep 19th) but 110s have occurred as late
as October 1st and 2nd for El Centro and Yuma, respectively. With
the onset of shorter fall days and less daytime heating, one would
think (hope) Phoenix would be hard pressed to see that temperature
mark this late.

&&

.AVIATION...Updated at 0440Z.

South-Central Arizona including KPHX, KIWA, KSDL, and KDVT:

No aviation concerns for the TAF sites over the next 24 hours. High
pressure aloft will allow for skies to be generally clear in the
Phoenix area over the next 24 hours. Surface gradients are very
weak, supporting typical diurnal wind tendencies. West winds will
continue to diminish and become somewhat light/variable after 06z.
Winds then settle into an easterly regime by 10z with speeds mostly
8kt or less thru late morning Thursday before returning again to the
west. There may be a few gusts in the afternoon but confidence is
lower and no gusts will be mentioned in the TAFs at this time for
Thursday afternoon.

Southeast California/Southwest Arizona including KIPL and KBLH:

Strong high pressure aloft will keep skies generally clear across
the western deserts over the next 24 hours. Winds should be rather
light tonight, favoring the west at KIPL but being more variable at
KBLH. Winds increase a bit Thursday afternoon becoming more
southerly especially at KBLH where speeds should reach 10kt or so by
18z Thursday afternoon. Winds may be a bit more southeast at KIPL
and generally less than 10kt. Winds should favor southwest at both
TAF sites after 03z Thursday evening but below 10kt.

&&

.FIRE WEATHER...
Saturday through Wednesday:
No change in the current forecast...Dry conditions will remain in
place with temperatures well above normal. The warmest days will be
Monday through Wednesday of next week with highs very close to the
records for those dates. Min RH values will generally be 10-15% for
most places (including higher terrain) through the weekend before
dipping to single digit values early next week (10%-12% higher
terrain). Max RH values will be 25%-35% for most lower deserts
through the weekend (35%-50% for portions of Imperial County,
southern Yuma County, and higher terrain of Gila County). Max RH
declines some early next week - most noticeably for the
aforementioned areas that had locally higher values during the
weekend. Winds will generally be light and follow familiar diurnal
patterns.

&&

CLIMATE

Record high temperatures:

Date          Phoenix           Yuma         El Centro
-----       -----------       --------      -----------
9/27        107 in 2009      111 in 1963    111 in 2009
9/28        108 in 1992      108 in 1994    109 in 2009
9/29        107 in 2003      110 in 1980    110 in 1969
9/30        107 in 2010      109 in 2012    108 in 2015

.SPOTTER INFORMATION STATEMENT...
Spotters should follow standard reporting procedures.

&&

.PSR WATCHES/WARNINGS/ADVISORIES...
AZ...None.
CA...None.
&&

$$

DISCUSSION...Percha/AD
AVIATION...CB
FIRE WEATHER...AJ
CLIMATE...AD

NWS PSR Office Area Forecast Discussion






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 Pepper Ridge North Valley Random Weather Facts

HUMIDITY
Humidity or relative humidity measures the amount of water vapor in the air relative to the temperature. It is important in weather because humidity affects how humans feel. A hot, humid day feels hotter because we cannot sweat as effectively. A cool, dry day feels colder because moisture evaporates more easily.

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