Friday, January 02, 2026

Light Showers New Year's Day


An unusual, low-arc rainbow looking toward the Catalinas yesterday afternoon.


Light showers on New Year's Day produced widespread, measurable rain amounts across much of the ALERT Network (above and below) for 24-hours ending at 9:30 am January 2nd. Here at the house several showers resulted in an amount of 0.14" to begin 2026.

Wednesday, December 31, 2025

Last Day Of Year

Heavy overcast skies this morning - view above is toward the Rincons at 7:00 am MST.


IR satellite image (above from 1515 UTC) shows widespread cloud cover to our south and west.

The 06 UTC plumes for QPF at the airport (above) indicate light rainfall at airport tonight and tomorrow. The GEFS POPs for the airport (below) max at almost 80 percent tomorrow.


The 12 UTC WRF-HRRR forecast for precipitation through 7:00 am tomorrow (below) indicates some fairly heavy amounts over eastern Pima County.



Current forecast graphic and morning forecast for the airport from the NWS Forecast office (above and below). Chart is marginally readable if you go to the NWS website. Looks like a damp ending for 2025 and start to 2026.

Saturday, December 27, 2025

Nighttime Showers


View of heavy cloud cover and the Catalinas at 9 am MST this morning.


Showers and sprinkles affected parts of the metro area during the night. ALERT plots (above and below) are for 24-hours ending at 9 am. Here at the house there was 0.06" in the gauge at 9 am.


Rainfall forecast from the NWS this morning (below) calls for amounts of a tenth to a quarter of an inch today at the airport.

Thursday, December 25, 2025

Holiday Update

View of the Catalinas at 11:00 am MST on Christmas Day (above) shows some blue sky sneaking in from the west.


Total rain amounts from the ALERT Network (above and below) show a few sites with over half an inch, but with most amounts considerably less. Here at house we we had an additional 0.14" during the afternoon yesterday and last night (rain did not end until around 7:00 am this morning), giving us a total of 0.28".

Wednesday, December 24, 2025

Early Morning Showers



Overcast skies here at 8:35 am MST.


I checked the gauge at 7:35 am this morning and we had had 0.14" of rain. Totals around the area for 24-hours ending at 8:35 am shown above and below for the ALERT Network. Amounts around one to two tenths of an inch were common.

There continue to be showers over parts of the metro area at this time.

Tuesday, December 23, 2025

Some Rain Before New Years?


Another morning with colorful skies over the Rincons at 7:10 am MST.


Plumes from 06 UTC GEFS runs indicate slowly falling temperatures for much of remainder of 2025 (above). The POPs from the GEFS runs (below) indicate maximum chances for rain at the airport from the 29th through the 30th.



Current morning graphic from the NWS regarding southeast Arizona rain chances (above). The total rainfall to end of year (below from 06 UTC GFS) shows rainfall covering Arizona. The only rain here at house so far in December was just 0.01" on the 3rd.

Wednesday, December 17, 2025

Colorful Skies


Nice colors over the Rincons at 7:10 am MST this morning.


The coming week looks quiet, until a very slight chance for showers at Christmas (plumes above for QPF at the airport from 06 UTC GEFS runs).


Plumes for PW (above) indicate a big jump starting on the 23rd. The 06 UTC GFS forecast (below) for 24-hour rainfall ending at 5:00 pm on Christmas Day indicates a dry holiday here in southeast Arizona.