PM Update: Hot and humid yet again Friday; was GOES satellite hit by “micrometeoroid”?

* Code orange air quality alert Friday: unhealthy for sensitive groups *


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It wasn’t the healthiest day to be outdoors, with high UV, high pollen levels, and bad air quality.  The hot, (partly) sunny weather had a lot to do with all of this, and we get another dose of it Friday.

Through Tonight: There’s a slight (10-20 percent) chance of an evening thundershower (any activity should die quickly around sunset).  Otherwise it’s partly cloudy and mild, with lows 63-71 (suburbs-city).  Light winds from the south.

Tomorrow (Friday): Just like today, it’s partly to mostly sunny, with the outside (10 percent) chance of a late day thundershower.  It’s hot and moderately humid, with highs 90-94 – making a likely third straight day of 90 or higher (high Wednesday and today was 90 at Reagan National). Winds are from the south at 5-10 mph.

See David Streit’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.

Pollen: Tree counts are HIGH, grasses HIGH, weeds LOW, and mold spores MODERATE.

Dysfunctional weather satellite may have been hit by “micrometeoroid”: The Aerospace Daily & Defense Report says the cause of the GOES-13 weather satellite outage may have been a space-borne object. It writes:

Because the satellite appears healthy, officials are considering the possibility of an “external disturbance” — a micrometeoroid collision — causing an “attitude disturbance” in the satellite’s orbit 22,300 mi. over the East Coast, says Ron Mahmot, the mission operations division manager for GOES at NOAA.

Read more: GOES Control Problem Could Be Due To Micrometeroid Collision

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