Numerous Showers Yesterday

Showers moving into foothills at 6:00 pm MST yesterday afternoon.

Rains were widespread across the ALERT Network (above) with many reports above half an inch. There are also two sites with more than two inches. Here at house we only had 0.10". There were two severe wind reports near the airport, with a gust to 68 mph and a pole down.

Current NWS morning forecast for airport (below) keeps high POPs today and tomorrow (below).

Increasing Chances For Showers

View of Cbs along north slopes of the Catalinas at 3:00 pm MST yesterday afternoon.

Below are the ALERT Network reports for 24-hours ending at 8:00 am this morning, Fourteen sites reported 0.04", while a site near Tubac had 0.12". Again, there was nothing here at the house.

The NWS has issued a Flash Flood Watch for today (above). POPs for the airport are high through Wednesday (below).

Bit Of Rain

Pre-sunrise color looking east toward the Rincons this morning.

Rainfall was scattered across the ALERT Network during the 24-hours ending at 9:00 am MST this morning (above). There were some heavy amounts mixed in, with one site reporting over two inches. Here we had some afternoon sprinkles, with only 0.02" left in the gauge. The NWS forecast for the airport (below) continues to call for increased storm activity during the next few days.

Mostly Suppressed Again

Bit of color over the Catalinas about 6:00 am MST this morning.

Plot of detected CG flashes (above - from Atmo for 24-hours ending at 0233 am) shows only a few flashes over the Catalinas in eastern Pima County. Only six sites across entire ALERT Network reported rain (below for 24-hours ending at 7:00 am), all far removed from main metro area. Nothing here again.

Graphic from the NWS (above) shows POPs for today. The morning forecast for the airport is shown below through Monday night, with chances for showers picking up as new week begins.

Another Dry Day

Pre-dawn color over Redington Pass at about 5:30 am this morning.

There were very few lightning CG flashes detected over Arizona yesterday - above plot from Atmo is for 24-hours ending at 0903 UTC (2:03 am MST). No ALERT sites recorded rainfall - below for 24-hours ending at 8:00 am this morning.

NBM 12 UTC runs (above) forecast a swath of precipitation from Mexico to the Dakotas through 12 UTC on Monday morning. Current morning forecast from the NWS for the airport through the weekend (below), indicating fairly low POPs.

Sprinkles

Views of the Catalinas and Rincons (top and bottom) at about 6:00 am MST this morning.

ALERT data for 24-hours ending at 7:00 am this morning. Only isolated reports mostly in or near the mountains - nothing in the metro area again. Although it does appear that we had a Trace here yesterday.

Dry Here

Struggling cumulus over the Catalinas around 2:00 pm MST yesterday afternoon (8 September). Down at bottom is view of Rincons this morning a bit before 6:00 am.

Plot of detected CG flashes for 24-hours ending at 1403 UTC (7:03 am) shows Pima County storm-free. In fact, there has yet to be any rainfall here at house during September. - Quick Correction - I neglected to post on Labor Day when there was 0.03" during light, pre-dawn showers.

The 06 UTC GFS 500 mb forecast (above - valid at 18 UTC on Sept 16th) shows Arizona west of a huge anticyclone centered over the Southeast. There is an elongated trough over the Northwest. The GFS forecast of precipitation through this same period is shown below, with decent amounts stretching north through western New Mexico and eastern Arizona.