Dr. Jeff Masters' WunderBlog

The heat goes on...

Posted by: Dr. Jeff Masters, 3:13 PM GMT op 23 juli 2006

The heat was unrelenting yesterday across the Southwest U.S., where most of California and Arizona set new high temperature records. The 99 degrees in downtown Los Angeles beat the old record of 96 set in 1960, and the suburb of Woodland Hills hit a record 119. All the cities in California's Central Valley set records: 109 degrees in Sacramento, 111 in Redding, and 112 in Red Bluff, Stockton and Modesto. San Francisco's 87 degrees easily beat the record of 81 for the date, set back in 1917.

In Phoenix, this morning's low temperature was 97 degrees, which broke the all-time record for highest low temperature ever recorded in that city (96, set on Jul 15, 2003). Tucson's low of 89 Saturday morning was its highest low temperature in recorded history, as well. The temperature topped out at record 116 in Phoenix yesterday, and 121 in nearby Gila Bend.

Tropical update
There is not much to talk about in the tropical Atlantic today. There is some disturbed weather in the southwestern Gulf of Mexico, but wind shear is over 20 knots in this region, and unlikely to fall to the 10-15 knot range needed for something to develop. Large amounts of African dust cover the tropical Atlantic and Caribbean Sea, discouraging development in those regions.

Enjoy another quiet weekend in the tropics, everyone!
Jeff Masters

wildfire (franandbob79)

Here is Southern California....here we go again. More lightning ...more fires

Categories: Heat

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51. SWLAStormFanatic 4:29 PM GMT op 23 juli 2006
When is the plane scheduled for BOC? Any thoughts on this disturbance?

52. littlefish 4:29 PM GMT op 23 juli 2006
456, again I'll clarify. Not that the storms were named near the Cape Verdes (not my point at all), but that the waves that became eventual named storms originated from Africa. Like the wave that came off Africa a couple days back- no name, no development (and this year it has disappeared) but suppose it stayed intact and travelled to the Caribbean and THEN became a TD. Even though it originated in Africa, it is not a Cape Verdes 'storm'. It is a Caribbean originated storm. HOWEVER my point is that it originated in Africa, even though it did not become a storm over there. Do you guys get what I'm saying?

53. BahaHurican 4:32 PM GMT op 23 juli 2006
Another big thunderstorm overhead. Heavy lightning, thunder, good burst of rain. I hope the power stays on - I'm watching the British Open . . . Member Since: 25 oktober 2005 Posts: 19 Comments: 17961

55. Cavin Rawlins 4:34 PM GMT op 23 juli 2006
littlefish, I get what you are saying, but this is not 2005, its 2006, storms that develop from waves that came from africa, like any normal year, is for August and September. June and July, is left for old cold fronts, upper level lows and disturbances from off central america, like any normal year. Member Since: 24 juli 2005 Posts: 407 Comments: 19076

56. Skyepony (Mod) 4:34 PM GMT op 23 juli 2006
Dr Masters has a new blog up Member Since: 10 augustus 2005 Posts: 145 Comments: 29993

57. Cavin Rawlins 4:36 PM GMT op 23 juli 2006
Posted By: SWLAStormFanatic at 12:29 PM AST on July 23, 2006. When is the plane scheduled for BOC? Any thoughts on this disturbance? Monday. And it as a chance to develop, if it stays over water and wind shear decreases. Member Since: 24 juli 2005 Posts: 407 Comments: 19076

58. littlefish 4:39 PM GMT op 23 juli 2006
Completely agreed 456:) But didn't Daniel and Emily 'originate' (my meaning of the word) off Africa? Just curious. Thanx all, I'm a newbie to weather so excuse the dunderheadedness that creeps in .Be patient, I'm learning! Thanx to all of you.

59. littlefish 4:44 PM GMT op 23 juli 2006
SWLA, IMO there's too much wind shear. Maybe a weak developing TD or maybe a weak TS, but nothing more. JMHO:)

60. WSI 5:04 PM GMT op 23 juli 2006
"WSI you need to check the Fermi labs SST charts" Answered this in the new blog.

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