Thursday, July 12, 2012

Miscellany 12 July 12

Jim Means reports from Alpine, California (east of San Diego):

Hi Bob,

Interesting situation today on the west side of the Peninsular Range. In your blog you mentioned the dissipating MCS centered near Yuma, and that has brought fairly strong easterly winds to the mountains of San Diego County this morning, with some gusts of more than 50 mph.  That generated an interesting heat burst when I took my dog out for a walk.  It was cloudy and 69 degrees when we started, 5 minutes into the walk we got hit with the heat burst, and the temperature jumped to about 90.  It felt like an oven door had been opened on us.  We also got one or two drops of rain from the altostratus cloud shield.  We were getting an ESE wind of about 5 to 15 mph here in the foothills.  It was 85 degrees at the end of the walk at 7:30am, and 3 hours later it's down to 76.  We did get spitting rain at one point, which helped cool things and upped the dewpoint a bit.

It will be interesting to see if we can get any real thunderstorms going later today.  KNKX is out of commission for its dual polarization upgrade (seems like they could have done this in May or June, when there is no rain threat), so we have to rely on KYUX if things get interesting.

Jim
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Alex Tardy on SUNY MAP:

According to Las Vegas office

The 128 max in Death Valley yesterday was hottest since 2009. The morning (today) low in Death Valley was 107.   This is the second warmest min temp ever recorded at Death Valley.
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Another tropical storm in the eastern Pacific - TS Fabio. Fabio (see two NHC graphics below) is forecast to  track toward the northwest and be somewhere southwest of Baja by early next week. ECMWF forecasts it northward even closer to Baja.



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