Marine Weather and Tides
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
|Sunrise 5:27AM||Sunset 7:40PM||Monday July 13, 2020 6:34 PM MST (01:34 UTC)||Moonrise 12:28AM||Moonset 1:23PM||Illumination 38%|
7 Day Forecast for Marine Location Near Tempe, AZHourly EDIT Help
Area Discussion for - Phoenix, AZ  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS65 KPSR 140001 AFDPSR
Area Forecast Discussion National Weather Service Phoenix AZ 501 PM MST Mon Jul 13 2020
UPDATE. Updated 00Z aviation discussion.
SYNOPSIS. Abnormally strong high pressure will remain over the area into the early part of the week with excessive heat continuing through today. Beginning tomorrow, lower elevation high temperatures will remain near 110 degrees the rest of this week. Isolated showers and thunderstorms will be possible the next few afternoons and evenings, mostly over areas east of Phoenix.
Today is the last day of the Excessive Heat Warning as temperatures will remain well above normal. After the excessive heat, the forecast for most of the week is fairly unremarkable with relatively little change from day-to-day. Broad troughing across the northern Intermountain West will flatten the subtropical ridge of high pressure and dampen atmospheric heights. The NAEFS mean height guidance shows H5 levels decreasing to 590-592dm by mid week which is around the seasonal climatological average. This will result in a modest cooldown of a few degrees with afternoon highs dropping into the 107-110 degree range.
As far as thunderstorm chances are concerned for rest of this afternoon and evening, the remains of a MCV that formed last night over northern Sonora/extreme southern AZ is now moving across South- Central AZ. This feature did produce a few showers/TS across northern Pinal and southern Gila Counties this morning, but all of it that is left of this MCV is just some debris clouds/virga at this hour. Latest HRRR/HREF model output is now showing virtually no convective development through tonight over our CWA. These seems to make sense, given the mid-level flow that is forecast to become more sw-ly, with somewhat drier/more stable air moving into the region behind the MCV. However, the development of a few storms of southern Gila County cannot be ruled out. The main impacts from any storms that develop will be locally gusty winds and lightning, will rainfall amounts likely remaining very minimal, raising the odds from new fire starts across the region.
For Tuesday through Thursday, the eastern half of the state will retain daily chances for afternoon and evening thunderstorms through the forecast period. For the lower desert, storm chances on most days are less than 10 percent, and truthfully, much closer to zero, as conditions generally remain unfavorable for thunderstorms. Nevertheless, nightly gulf surges and moisture advection from distant convection will keep surface dew points from completely withering away. Ensemble guidance shows some hints that the monsoon could become more active across the lower desert by the end of this week if the subtropical ridge restrengthens near New Mexico with the western flank of the ridge expanding into Arizona. This would provide deep southerly flow and better moisture advection through most of Arizona, and if combined with minor disturbances and/or inverted troughs circling through the upper air pattern, we could finally see storms in the desert.
AVIATION. Updated at 0000Z.
South-Central Arizona including KPHX, KIWA, KSDL, and KDVT:
Minimal aviation impacts aside from gusty afternoon and evening winds are expected at the Phoenix terminals through Tuesday afternoon. Winds this afternoon will generally remain out of the west-southwest at 10-15 knots with gusts to 20-25 knots that will subside by late evening. Winds will become easterly overnight before having a brief period of southerlies around 17Z before becoming westerly between 18-19Z with gusts similar to or slightly weaker tomorrow than they were today. Scattered to broken cloud decks between 15-25 kft will persist through the overnight hours before becoming more isolated on Tuesday.
Southeast California/Southwest Arizona including KIPL and KBLH:
Gusty winds this afternoon and evening will be the primary impact at the TAF sites, with west-southwest gusts to 25-30 knots expected. Winds should gradually weaken below 10-15 knots by late evening at KBLH and overnight at KIPL as they become more southerly. Another round of gusty winds are expected tomorrow afternoon similar to or slightly weaker than they were today. Skies will generally remain clear with only a few cloud decks down to 10 kft tonight.
FIRE WEATHER. Thursday through Monday: No changes to the forecast . Dry conditions and above normal temperatures can be expected all week with lower deserts seeing highs in the 107-112 degree range. Daytime minimum humidity values will be around 10-20% for most places Thu-Fri while overnight recoveries will rise into the 30-50% range for most places, with the highest values over the high terrain. Some increase in humidities can be expected during the Sat-Mon period. Wind speeds will be light most days, outside of typical afternoon breezes up to 20-25 mph, with directions following local terrain influences. A gradual increase in thunderstorm activity is possible during the Sat-Mon period as well, mainly over the higher terrain of South-Central AZ.
Record Daily Maximum Temperatures
Date Phoenix AZ | Yuma AZ | El Centro CA ---- ----------- ------- ------------
7/13 114 in 2005 115 in 1983 118 in 1939
SPOTTER INFORMATION STATEMENT. Spotters should follow standard reporting procedures.
PSR WATCHES/WARNINGS/ADVISORIES. AZ . Excessive Heat Warning until 8 PM MST this evening for AZZ530>563.
CA . Excessive Heat Warning until 8 PM PDT this evening for CAZ560>570.
DISCUSSION . AD/Percha AVIATION . Hopper FIRE WEATHER . Hodges/Percha CLIMATE . MO
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports. Follow links for more data.
|Phoenix, Phoenix Sky Harbor International Airport, AZ||1 mi||43 min||NW 6||10.00 mi||Mostly Cloudy||109°F||48°F||13%||1003.5 hPa|
|Scottsdale Airport, AZ||13 mi||41 min||WSW 7||10.00 mi||Fair||106°F||51°F||16%||1004.7 hPa|
|Glendale, Glendale Municipal Airport, AZ||15 mi||45 min||SSW 10 G 16||10.00 mi||Partly Cloudy||109°F||48°F||13%||1006.8 hPa|
|Mesa / Falcon Field, AZ||16 mi||40 min||W 9||10.00 mi||Fair||108°F||51°F||15%||1004.1 hPa|
|Chandler, Chandler Municipal Airport, AZ||17 mi||47 min||WSW 8||10.00 mi||Mostly Cloudy||109°F||48°F||13%||1007.1 hPa|
|Phoenix, Phoenix-Deer Valley Municipal Airport, AZ||17 mi||41 min||SW 7||10.00 mi||Fair||105°F||52°F||17%||1004.5 hPa|
|Goodyear Municipal, AZ||19 mi||47 min||SW 14 G 20||10.00 mi||Partly Cloudy||111°F||55°F||16%||1006.1 hPa|
|Luke Air Force Base / Phoenix, AZ||20 mi||36 min||SW 15 G 20||10.00 mi||Fair||110°F||48°F||13%||1003.9 hPa|
|Phoenix-Mesa Gateway Airport, AZ||22 mi||44 min||WSW 5||10.00 mi||Dust Storm||108°F||53°F||17%||1007.8 hPa|
Link to 5 minute data for KPHX
Wind History from PHX (wind in knots)
|1 day ago||W||W||W||W||NW||SE||N||N||W||W||SW||S||W||Calm||E||SE||S||NW|
|2 days ago||W|
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GEOS Local Image of EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Phoenix, AZ (21,6,7,8)(on/off)  Help
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