Ed Dunham
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)
Reged: Sun
Posts: 2565
Loc: Melbourne, FL
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A strong SAL outbreak should keep the Atlantic (east of the Caribbean Islands) quite for awhile.
UW SSEC SAL
ED
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GlenJohnson
Weather Hobbyist
Reged: Sat
Posts: 61
Loc: Waldo Florida
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I give up, what's a SAL? Thanks.
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Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.
Benjamin Franklin
Card carrying Storm Spotter
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Ed Dunham
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)
Reged: Sun
Posts: 2565
Loc: Melbourne, FL
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Look at the bottom of the image where it says Saharan Air Layer Tracking Product. Great easterly winds (surface and aloft) sweep vast quantities of dust-filled dry air off the west coast of equatorial Africa. This air layer chokes off any convective activity and suppresses the development of tropical waves in the eastern Atlantic. At times, an outbreak can be so significant that African dust makes it westward all the way to the Pacific Ocean.
ED
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GlenJohnson
Weather Hobbyist
Reged: Sat
Posts: 61
Loc: Waldo Florida
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So, no hurricanes for a while? Good and bad. Thanks.
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Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.
Benjamin Franklin
Card carrying Storm Spotter
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Troy C
Verified CFHC User
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Posts: 15
Loc: Satellite beach, FL
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Looks like it may be waning. The last few disturbances as well as the current ( as of 7/11), and very nice looking one, has added a little moisture back.
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Jasonch
Weather Watcher
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Posts: 42
Loc: Texas
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Where do you find the maps to see where the african dust is in the atlantic. You also said it is starting to relax .
(Click on the link in the first post of this thread.)
Edited by Ed Dunham (Mon Jul 12 2010 04:31 PM)
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Storm Hunter
Veteran Storm Chaser
Reged: Wed
Posts: 1370
Loc: Panama City Beach, Fl.
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web site with good information and links to research projects done on SAL
http://cimss.ssec.wisc.edu/tropic2/misc/sal/info.html
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www.Stormhunter7.com ***see my flight into Hurricane Ike ***
Wx Data: KFLPANAM23 / CW8771
2012== 23/10/9/5 sys/strms/hurr/majh
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Ed Dunham
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)
Reged: Sun
Posts: 2565
Loc: Melbourne, FL
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From the MLB NWS evening Forecast Discussion: "LATE DAY HAZY CONDITIONS WERE OBSERVED ACROSS THE
AREA AND COORDINATION WITH WFO MIAMI INDICATES THIS IS DUE TO AN AREA OF
SAHARAN DUST ALOFT THAT HAS TRAVERSED THE OCEAN."
For the first time in quite awhile there are three strong waves on the African continent at about 10N.
ED
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danielw
Moderator
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Posts: 3525
Loc: Hattiesburg,MS (31.3N 89.3W)
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I believe the SAL is preventing the deepening of an upper Low just to the NW of the Cape Verde Islands.
The low is the cyclonic area of white clouds in a reddish-brown tinted area.
The three systems, that ED mentioned in the above post, over the African Continent can be seen on the following 0 degree EUMETSAT airmass photo taken at 06Z or 2 AM EDT Friday.
Copyright 2010 © EUMETSAT. All rights reserved.
European Organisation for the Exploitation of Meteorological Satellites
Copyright 2010 © EUMETSAT. All rights reserved.
European Organisation for the Exploitation of Meteorological Satellites
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