Heavy clouds around this morning, with a smell of moisture in the air, but no rain here. Very light rains in southeast Cochise County yesterday (Douglas reported a thunderstorm with 0.01") and some lightning strikes in southeast corner of the state. Plot below is of detected CG flashes through 11:30 pm MST last evening (from Vaisala). Most thunderstorm activity was out to the west along the Colorado River Basin.
Yesterday afternoon was quite windy across southeastern Arizona with many stations reporting gusts of 35 to 40 mph - Sasabe, Pioneer Field and Guthrie RAWS reported gusts just below 45 mph. So, lots of pollen blowing around yesterday.
At 6:00 am this morning there was a single report of rainfall across the ALERT network. That report was 0.35" from the gauge at Arroyo Chico and Randolph (near Reid Park). A look at the data from that gauge indicates the "rain" fell during 15 minutes right before 2:00 pm yesterday afternoon, when skies were basically clear. Perhaps this was a sprinkler event, or perhaps the gauge has gone awry, or?
The next system comes in from the northwest Saturday night and Sunday with strong west winds and a chance for some showers at low elevations. Forecast of composite radar echoes above is from 06 UTC run of the WRF-NAM and is valid at 03:00 am MST on early Sunday - best shower activity will stay off to the north. However, the forecast sounding for TWC (below, valid at 10:00 am Sunday morning) indicates a bit of CAPE at low elevations. So, a bit of hope for rain in gauge here before end of April.
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